#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/PseudoSourceValue.h"
-#include "llvm/Support/MathExtras.h"
#include "llvm/Target/TargetRegisterInfo.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetLowering.h"
+#include "llvm/Target/TargetOptions.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Target/TargetMachine.h"
+#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/MathExtras.h"
+#include "llvm/Support/raw_ostream.h"
#include "llvm/ADT/SetVector.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallSet.h"
/// As such, this method can be used to do an exact bit-for-bit comparison of
/// two floating point values.
bool ConstantFPSDNode::isExactlyValue(const APFloat& V) const {
- return Value.bitwiseIsEqual(V);
+ return getValueAPF().bitwiseIsEqual(V);
}
bool ConstantFPSDNode::isValueValidForType(MVT VT,
// convert modifies in place, so make a copy.
APFloat Val2 = APFloat(Val);
- return Val2.convert(*MVTToAPFloatSemantics(VT),
- APFloat::rmNearestTiesToEven) == APFloat::opOK;
+ bool losesInfo;
+ (void) Val2.convert(*MVTToAPFloatSemantics(VT), APFloat::rmNearestTiesToEven,
+ &losesInfo);
+ return !losesInfo;
}
//===----------------------------------------------------------------------===//
bool ISD::isBuildVectorAllOnes(const SDNode *N) {
// Look through a bit convert.
if (N->getOpcode() == ISD::BIT_CONVERT)
- N = N->getOperand(0).Val;
+ N = N->getOperand(0).getNode();
if (N->getOpcode() != ISD::BUILD_VECTOR) return false;
// Do not accept build_vectors that aren't all constants or which have non-~0
// elements.
- SDOperand NotZero = N->getOperand(i);
+ SDValue NotZero = N->getOperand(i);
if (isa<ConstantSDNode>(NotZero)) {
if (!cast<ConstantSDNode>(NotZero)->isAllOnesValue())
return false;
} else if (isa<ConstantFPSDNode>(NotZero)) {
if (!cast<ConstantFPSDNode>(NotZero)->getValueAPF().
- convertToAPInt().isAllOnesValue())
+ bitcastToAPInt().isAllOnesValue())
return false;
} else
return false;
bool ISD::isBuildVectorAllZeros(const SDNode *N) {
// Look through a bit convert.
if (N->getOpcode() == ISD::BIT_CONVERT)
- N = N->getOperand(0).Val;
+ N = N->getOperand(0).getNode();
if (N->getOpcode() != ISD::BUILD_VECTOR) return false;
// Do not accept build_vectors that aren't all constants or which have non-~0
// elements.
- SDOperand Zero = N->getOperand(i);
+ SDValue Zero = N->getOperand(i);
if (isa<ConstantSDNode>(Zero)) {
if (!cast<ConstantSDNode>(Zero)->isNullValue())
return false;
return false;
unsigned NumElems = N->getNumOperands();
for (unsigned i = 1; i < NumElems; ++i) {
- SDOperand V = N->getOperand(i);
+ SDValue V = N->getOperand(i);
if (V.getOpcode() != ISD::UNDEF)
return false;
}
/// isDebugLabel - Return true if the specified node represents a debug
/// label (i.e. ISD::DBG_LABEL or TargetInstrInfo::DBG_LABEL node).
bool ISD::isDebugLabel(const SDNode *N) {
- SDOperand Zero;
+ SDValue Zero;
if (N->getOpcode() == ISD::DBG_LABEL)
return true;
if (N->isMachineOpcode() &&
unsigned OldG = (Operation >> 1) & 1;
return ISD::CondCode((Operation & ~6) | // Keep the N, U, E bits
(OldL << 1) | // New G bit
- (OldG << 2)); // New L bit.
+ (OldG << 2)); // New L bit.
}
/// getSetCCInverse - Return the operation corresponding to !(X op Y), where
Operation ^= 7; // Flip L, G, E bits, but not U.
else
Operation ^= 15; // Flip all of the condition bits.
+
if (Operation > ISD::SETTRUE2)
- Operation &= ~8; // Don't let N and U bits get set.
+ Operation &= ~8; // Don't let N and U bits get set.
+
return ISD::CondCode(Operation);
}
}
const TargetMachine &SelectionDAG::getTarget() const {
- return TLI.getTargetMachine();
+ return MF->getTarget();
}
//===----------------------------------------------------------------------===//
/// AddNodeIDOperands - Various routines for adding operands to the NodeID data.
///
static void AddNodeIDOperands(FoldingSetNodeID &ID,
- const SDOperand *Ops, unsigned NumOps) {
+ const SDValue *Ops, unsigned NumOps) {
for (; NumOps; --NumOps, ++Ops) {
- ID.AddPointer(Ops->Val);
- ID.AddInteger(Ops->ResNo);
+ ID.AddPointer(Ops->getNode());
+ ID.AddInteger(Ops->getResNo());
}
}
static void AddNodeIDOperands(FoldingSetNodeID &ID,
const SDUse *Ops, unsigned NumOps) {
for (; NumOps; --NumOps, ++Ops) {
- ID.AddPointer(Ops->getSDOperand().Val);
- ID.AddInteger(Ops->getSDOperand().ResNo);
+ ID.AddPointer(Ops->getNode());
+ ID.AddInteger(Ops->getResNo());
}
}
static void AddNodeIDNode(FoldingSetNodeID &ID,
unsigned short OpC, SDVTList VTList,
- const SDOperand *OpList, unsigned N) {
+ const SDValue *OpList, unsigned N) {
AddNodeIDOpcode(ID, OpC);
AddNodeIDValueTypes(ID, VTList);
AddNodeIDOperands(ID, OpList, N);
}
-
-/// AddNodeIDNode - Generic routine for adding a nodes info to the NodeID
-/// data.
-static void AddNodeIDNode(FoldingSetNodeID &ID, SDNode *N) {
- AddNodeIDOpcode(ID, N->getOpcode());
- // Add the return value info.
- AddNodeIDValueTypes(ID, N->getVTList());
- // Add the operand info.
- AddNodeIDOperands(ID, N->op_begin(), N->getNumOperands());
-
- // Handle SDNode leafs with special info.
+/// AddNodeIDCustom - If this is an SDNode with special info, add this info to
+/// the NodeID data.
+static void AddNodeIDCustom(FoldingSetNodeID &ID, const SDNode *N) {
switch (N->getOpcode()) {
default: break; // Normal nodes don't need extra info.
case ISD::ARG_FLAGS:
break;
case ISD::TargetConstant:
case ISD::Constant:
- ID.Add(cast<ConstantSDNode>(N)->getAPIntValue());
+ ID.AddPointer(cast<ConstantSDNode>(N)->getConstantIntValue());
break;
case ISD::TargetConstantFP:
case ISD::ConstantFP: {
- ID.Add(cast<ConstantFPSDNode>(N)->getValueAPF());
+ ID.AddPointer(cast<ConstantFPSDNode>(N)->getConstantFPValue());
break;
}
case ISD::TargetGlobalAddress:
case ISD::GlobalAddress:
case ISD::TargetGlobalTLSAddress:
case ISD::GlobalTLSAddress: {
- GlobalAddressSDNode *GA = cast<GlobalAddressSDNode>(N);
+ const GlobalAddressSDNode *GA = cast<GlobalAddressSDNode>(N);
ID.AddPointer(GA->getGlobal());
ID.AddInteger(GA->getOffset());
break;
break;
case ISD::MEMOPERAND: {
const MachineMemOperand &MO = cast<MemOperandSDNode>(N)->MO;
- ID.AddPointer(MO.getValue());
- ID.AddInteger(MO.getFlags());
- ID.AddInteger(MO.getOffset());
- ID.AddInteger(MO.getSize());
- ID.AddInteger(MO.getAlignment());
+ MO.Profile(ID);
break;
}
case ISD::FrameIndex:
break;
case ISD::ConstantPool:
case ISD::TargetConstantPool: {
- ConstantPoolSDNode *CP = cast<ConstantPoolSDNode>(N);
+ const ConstantPoolSDNode *CP = cast<ConstantPoolSDNode>(N);
ID.AddInteger(CP->getAlignment());
ID.AddInteger(CP->getOffset());
if (CP->isMachineConstantPoolEntry())
ID.AddPointer(CP->getConstVal());
break;
}
+ case ISD::CALL: {
+ const CallSDNode *Call = cast<CallSDNode>(N);
+ ID.AddInteger(Call->getCallingConv());
+ ID.AddInteger(Call->isVarArg());
+ break;
+ }
case ISD::LOAD: {
- LoadSDNode *LD = cast<LoadSDNode>(N);
+ const LoadSDNode *LD = cast<LoadSDNode>(N);
ID.AddInteger(LD->getAddressingMode());
ID.AddInteger(LD->getExtensionType());
ID.AddInteger(LD->getMemoryVT().getRawBits());
- ID.AddInteger(LD->getAlignment());
- ID.AddInteger(LD->isVolatile());
+ ID.AddInteger(LD->getRawFlags());
break;
}
case ISD::STORE: {
- StoreSDNode *ST = cast<StoreSDNode>(N);
+ const StoreSDNode *ST = cast<StoreSDNode>(N);
ID.AddInteger(ST->getAddressingMode());
ID.AddInteger(ST->isTruncatingStore());
ID.AddInteger(ST->getMemoryVT().getRawBits());
- ID.AddInteger(ST->getAlignment());
- ID.AddInteger(ST->isVolatile());
+ ID.AddInteger(ST->getRawFlags());
break;
}
case ISD::ATOMIC_CMP_SWAP:
- case ISD::ATOMIC_LOAD_ADD:
case ISD::ATOMIC_SWAP:
+ case ISD::ATOMIC_LOAD_ADD:
case ISD::ATOMIC_LOAD_SUB:
case ISD::ATOMIC_LOAD_AND:
case ISD::ATOMIC_LOAD_OR:
case ISD::ATOMIC_LOAD_MAX:
case ISD::ATOMIC_LOAD_UMIN:
case ISD::ATOMIC_LOAD_UMAX: {
- AtomicSDNode *AT = cast<AtomicSDNode>(N);
- ID.AddInteger(AT->getAlignment());
- ID.AddInteger(AT->isVolatile());
+ const AtomicSDNode *AT = cast<AtomicSDNode>(N);
+ ID.AddInteger(AT->getRawFlags());
break;
}
} // end switch (N->getOpcode())
}
+/// AddNodeIDNode - Generic routine for adding a nodes info to the NodeID
+/// data.
+static void AddNodeIDNode(FoldingSetNodeID &ID, const SDNode *N) {
+ AddNodeIDOpcode(ID, N->getOpcode());
+ // Add the return value info.
+ AddNodeIDValueTypes(ID, N->getVTList());
+ // Add the operand info.
+ AddNodeIDOperands(ID, N->op_begin(), N->getNumOperands());
+
+ // Handle SDNode leafs with special info.
+ AddNodeIDCustom(ID, N);
+}
+
+/// encodeMemSDNodeFlags - Generic routine for computing a value for use in
+/// the CSE map that carries both alignment and volatility information.
+///
+static inline unsigned
+encodeMemSDNodeFlags(bool isVolatile, unsigned Alignment) {
+ return isVolatile | ((Log2_32(Alignment) + 1) << 1);
+}
+
//===----------------------------------------------------------------------===//
// SelectionDAG Class
//===----------------------------------------------------------------------===//
-inline alist_traits<SDNode, LargestSDNode>::AllocatorType &
-SelectionDAG::getAllocator() {
- return AllNodes.getTraits().Allocator;
+/// doNotCSE - Return true if CSE should not be performed for this node.
+static bool doNotCSE(SDNode *N) {
+ if (N->getValueType(0) == MVT::Flag)
+ return true; // Never CSE anything that produces a flag.
+
+ switch (N->getOpcode()) {
+ default: break;
+ case ISD::HANDLENODE:
+ case ISD::DBG_LABEL:
+ case ISD::DBG_STOPPOINT:
+ case ISD::EH_LABEL:
+ case ISD::DECLARE:
+ return true; // Never CSE these nodes.
+ }
+
+ // Check that remaining values produced are not flags.
+ for (unsigned i = 1, e = N->getNumValues(); i != e; ++i)
+ if (N->getValueType(i) == MVT::Flag)
+ return true; // Never CSE anything that produces a flag.
+
+ return false;
}
/// RemoveDeadNodes - This method deletes all unreachable nodes in the
// Process the worklist, deleting the nodes and adding their uses to the
// worklist.
while (!DeadNodes.empty()) {
- SDNode *N = DeadNodes.back();
- DeadNodes.pop_back();
+ SDNode *N = DeadNodes.pop_back_val();
if (UpdateListener)
UpdateListener->NodeDeleted(N, 0);
// Next, brutally remove the operand list. This is safe to do, as there are
// no cycles in the graph.
- for (SDNode::op_iterator I = N->op_begin(), E = N->op_end(); I != E; ++I) {
- SDNode *Operand = I->getVal();
- Operand->removeUser(std::distance(N->op_begin(), I), N);
-
+ for (SDNode::op_iterator I = N->op_begin(), E = N->op_end(); I != E; ) {
+ SDUse &Use = *I++;
+ SDNode *Operand = Use.getNode();
+ Use.set(SDValue());
+
// Now that we removed this operand, see if there are no uses of it left.
if (Operand->use_empty())
DeadNodes.push_back(Operand);
}
- if (N->OperandsNeedDelete) {
- delete[] N->OperandList;
- }
- N->OperandList = 0;
- N->NumOperands = 0;
-
- // Finally, remove N itself.
- AllNodes.erase(N);
+
+ DeallocateNode(N);
}
}
}
void SelectionDAG::DeleteNode(SDNode *N) {
- assert(N->use_empty() && "Cannot delete a node that is not dead!");
-
// First take this out of the appropriate CSE map.
RemoveNodeFromCSEMaps(N);
}
void SelectionDAG::DeleteNodeNotInCSEMaps(SDNode *N) {
+ assert(N != AllNodes.begin() && "Cannot delete the entry node!");
+ assert(N->use_empty() && "Cannot delete a node that is not dead!");
+
+ // Drop all of the operands and decrement used node's use counts.
+ N->DropOperands();
+
+ DeallocateNode(N);
+}
- // Drop all of the operands and decrement used nodes use counts.
- for (SDNode::op_iterator I = N->op_begin(), E = N->op_end(); I != E; ++I)
- I->getVal()->removeUser(std::distance(N->op_begin(), I), N);
- if (N->OperandsNeedDelete) {
+void SelectionDAG::DeallocateNode(SDNode *N) {
+ if (N->OperandsNeedDelete)
delete[] N->OperandList;
- }
- N->OperandList = 0;
- N->NumOperands = 0;
- AllNodes.erase(N);
+ // Set the opcode to DELETED_NODE to help catch bugs when node
+ // memory is reallocated.
+ N->NodeType = ISD::DELETED_NODE;
+
+ NodeAllocator.Deallocate(AllNodes.remove(N));
}
/// RemoveNodeFromCSEMaps - Take the specified node out of the CSE map that
/// correspond to it. This is useful when we're about to delete or repurpose
/// the node. We don't want future request for structurally identical nodes
/// to return N anymore.
-void SelectionDAG::RemoveNodeFromCSEMaps(SDNode *N) {
+bool SelectionDAG::RemoveNodeFromCSEMaps(SDNode *N) {
bool Erased = false;
switch (N->getOpcode()) {
- case ISD::HANDLENODE: return; // noop.
+ case ISD::EntryToken:
+ assert(0 && "EntryToken should not be in CSEMaps!");
+ return false;
+ case ISD::HANDLENODE: return false; // noop.
case ISD::CONDCODE:
assert(CondCodeNodes[cast<CondCodeSDNode>(N)->get()] &&
"Cond code doesn't exist!");
// flag result (which cannot be CSE'd) or is one of the special cases that are
// not subject to CSE.
if (!Erased && N->getValueType(N->getNumValues()-1) != MVT::Flag &&
- !N->isTargetOpcode() &&
- N->getOpcode() != ISD::DBG_LABEL &&
- N->getOpcode() != ISD::DBG_STOPPOINT &&
- N->getOpcode() != ISD::EH_LABEL &&
- N->getOpcode() != ISD::DECLARE) {
+ !N->isMachineOpcode() && !doNotCSE(N)) {
N->dump(this);
cerr << "\n";
assert(0 && "Node is not in map!");
}
#endif
+ return Erased;
}
-/// AddNonLeafNodeToCSEMaps - Add the specified node back to the CSE maps. It
-/// has been taken out and modified in some way. If the specified node already
-/// exists in the CSE maps, do not modify the maps, but return the existing node
-/// instead. If it doesn't exist, add it and return null.
+/// AddModifiedNodeToCSEMaps - The specified node has been removed from the CSE
+/// maps and modified in place. Add it back to the CSE maps, unless an identical
+/// node already exists, in which case transfer all its users to the existing
+/// node. This transfer can potentially trigger recursive merging.
///
-SDNode *SelectionDAG::AddNonLeafNodeToCSEMaps(SDNode *N) {
- assert(N->getNumOperands() && "This is a leaf node!");
-
- if (N->getValueType(0) == MVT::Flag)
- return 0; // Never CSE anything that produces a flag.
-
- switch (N->getOpcode()) {
- default: break;
- case ISD::HANDLENODE:
- case ISD::DBG_LABEL:
- case ISD::DBG_STOPPOINT:
- case ISD::EH_LABEL:
- case ISD::DECLARE:
- return 0; // Never add these nodes.
+void
+SelectionDAG::AddModifiedNodeToCSEMaps(SDNode *N,
+ DAGUpdateListener *UpdateListener) {
+ // For node types that aren't CSE'd, just act as if no identical node
+ // already exists.
+ if (!doNotCSE(N)) {
+ SDNode *Existing = CSEMap.GetOrInsertNode(N);
+ if (Existing != N) {
+ // If there was already an existing matching node, use ReplaceAllUsesWith
+ // to replace the dead one with the existing one. This can cause
+ // recursive merging of other unrelated nodes down the line.
+ ReplaceAllUsesWith(N, Existing, UpdateListener);
+
+ // N is now dead. Inform the listener if it exists and delete it.
+ if (UpdateListener)
+ UpdateListener->NodeDeleted(N, Existing);
+ DeleteNodeNotInCSEMaps(N);
+ return;
+ }
}
-
- // Check that remaining values produced are not flags.
- for (unsigned i = 1, e = N->getNumValues(); i != e; ++i)
- if (N->getValueType(i) == MVT::Flag)
- return 0; // Never CSE anything that produces a flag.
-
- SDNode *New = CSEMap.GetOrInsertNode(N);
- if (New != N) return New; // Node already existed.
- return 0;
+
+ // If the node doesn't already exist, we updated it. Inform a listener if
+ // it exists.
+ if (UpdateListener)
+ UpdateListener->NodeUpdated(N);
}
/// FindModifiedNodeSlot - Find a slot for the specified node if its operands
/// were replaced with those specified. If this node is never memoized,
/// return null, otherwise return a pointer to the slot it would take. If a
/// node already exists with these operands, the slot will be non-null.
-SDNode *SelectionDAG::FindModifiedNodeSlot(SDNode *N, SDOperand Op,
+SDNode *SelectionDAG::FindModifiedNodeSlot(SDNode *N, SDValue Op,
void *&InsertPos) {
- if (N->getValueType(0) == MVT::Flag)
- return 0; // Never CSE anything that produces a flag.
+ if (doNotCSE(N))
+ return 0;
- switch (N->getOpcode()) {
- default: break;
- case ISD::HANDLENODE:
- case ISD::DBG_LABEL:
- case ISD::DBG_STOPPOINT:
- case ISD::EH_LABEL:
- return 0; // Never add these nodes.
- }
-
- // Check that remaining values produced are not flags.
- for (unsigned i = 1, e = N->getNumValues(); i != e; ++i)
- if (N->getValueType(i) == MVT::Flag)
- return 0; // Never CSE anything that produces a flag.
-
- SDOperand Ops[] = { Op };
+ SDValue Ops[] = { Op };
FoldingSetNodeID ID;
AddNodeIDNode(ID, N->getOpcode(), N->getVTList(), Ops, 1);
+ AddNodeIDCustom(ID, N);
return CSEMap.FindNodeOrInsertPos(ID, InsertPos);
}
/// return null, otherwise return a pointer to the slot it would take. If a
/// node already exists with these operands, the slot will be non-null.
SDNode *SelectionDAG::FindModifiedNodeSlot(SDNode *N,
- SDOperand Op1, SDOperand Op2,
+ SDValue Op1, SDValue Op2,
void *&InsertPos) {
- if (N->getOpcode() == ISD::HANDLENODE || N->getValueType(0) == MVT::Flag)
-
- // Check that remaining values produced are not flags.
- for (unsigned i = 1, e = N->getNumValues(); i != e; ++i)
- if (N->getValueType(i) == MVT::Flag)
- return 0; // Never CSE anything that produces a flag.
-
- SDOperand Ops[] = { Op1, Op2 };
+ if (doNotCSE(N))
+ return 0;
+
+ SDValue Ops[] = { Op1, Op2 };
FoldingSetNodeID ID;
AddNodeIDNode(ID, N->getOpcode(), N->getVTList(), Ops, 2);
+ AddNodeIDCustom(ID, N);
return CSEMap.FindNodeOrInsertPos(ID, InsertPos);
}
/// return null, otherwise return a pointer to the slot it would take. If a
/// node already exists with these operands, the slot will be non-null.
SDNode *SelectionDAG::FindModifiedNodeSlot(SDNode *N,
- const SDOperand *Ops,unsigned NumOps,
+ const SDValue *Ops,unsigned NumOps,
void *&InsertPos) {
- if (N->getValueType(0) == MVT::Flag)
- return 0; // Never CSE anything that produces a flag.
+ if (doNotCSE(N))
+ return 0;
- switch (N->getOpcode()) {
- default: break;
- case ISD::HANDLENODE:
- case ISD::DBG_LABEL:
- case ISD::DBG_STOPPOINT:
- case ISD::EH_LABEL:
- case ISD::DECLARE:
- return 0; // Never add these nodes.
- }
-
- // Check that remaining values produced are not flags.
- for (unsigned i = 1, e = N->getNumValues(); i != e; ++i)
- if (N->getValueType(i) == MVT::Flag)
- return 0; // Never CSE anything that produces a flag.
-
FoldingSetNodeID ID;
AddNodeIDNode(ID, N->getOpcode(), N->getVTList(), Ops, NumOps);
-
- if (const LoadSDNode *LD = dyn_cast<LoadSDNode>(N)) {
- ID.AddInteger(LD->getAddressingMode());
- ID.AddInteger(LD->getExtensionType());
- ID.AddInteger(LD->getMemoryVT().getRawBits());
- ID.AddInteger(LD->getAlignment());
- ID.AddInteger(LD->isVolatile());
- } else if (const StoreSDNode *ST = dyn_cast<StoreSDNode>(N)) {
- ID.AddInteger(ST->getAddressingMode());
- ID.AddInteger(ST->isTruncatingStore());
- ID.AddInteger(ST->getMemoryVT().getRawBits());
- ID.AddInteger(ST->getAlignment());
- ID.AddInteger(ST->isVolatile());
- }
-
+ AddNodeIDCustom(ID, N);
return CSEMap.FindNodeOrInsertPos(ID, InsertPos);
}
switch (N->getOpcode()) {
default:
break;
+ case ISD::BUILD_PAIR: {
+ MVT VT = N->getValueType(0);
+ assert(N->getNumValues() == 1 && "Too many results!");
+ assert(!VT.isVector() && (VT.isInteger() || VT.isFloatingPoint()) &&
+ "Wrong return type!");
+ assert(N->getNumOperands() == 2 && "Wrong number of operands!");
+ assert(N->getOperand(0).getValueType() == N->getOperand(1).getValueType() &&
+ "Mismatched operand types!");
+ assert(N->getOperand(0).getValueType().isInteger() == VT.isInteger() &&
+ "Wrong operand type!");
+ assert(VT.getSizeInBits() == 2 * N->getOperand(0).getValueSizeInBits() &&
+ "Wrong return type size");
+ break;
+ }
case ISD::BUILD_VECTOR: {
- assert(N->getNumValues() == 1 && "Too many results for BUILD_VECTOR!");
- assert(N->getValueType(0).isVector() && "Wrong BUILD_VECTOR return type!");
+ assert(N->getNumValues() == 1 && "Too many results!");
+ assert(N->getValueType(0).isVector() && "Wrong return type!");
assert(N->getNumOperands() == N->getValueType(0).getVectorNumElements() &&
- "Wrong number of BUILD_VECTOR operands!");
- MVT EltVT = N->getValueType(0).getVectorElementType();
- for (SDNode::op_iterator I = N->op_begin(), E = N->op_end(); I != E; ++I)
- assert(I->getSDOperand().getValueType() == EltVT &&
- "Wrong BUILD_VECTOR operand type!");
+ "Wrong number of operands!");
+ // FIXME: Change vector_shuffle to a variadic node with mask elements being
+ // operands of the node. Currently the mask is a BUILD_VECTOR passed as an
+ // operand, and it is not always possible to legalize it. Turning off the
+ // following checks at least makes it possible to legalize most of the time.
+// MVT EltVT = N->getValueType(0).getVectorElementType();
+// for (SDNode::op_iterator I = N->op_begin(), E = N->op_end(); I != E; ++I)
+// assert(I->getValueType() == EltVT &&
+// "Wrong operand type!");
break;
}
}
return TLI.getTargetData()->getABITypeAlignment(Ty);
}
+SelectionDAG::SelectionDAG(TargetLowering &tli, FunctionLoweringInfo &fli)
+ : TLI(tli), FLI(fli),
+ EntryNode(ISD::EntryToken, getVTList(MVT::Other)),
+ Root(getEntryNode()) {
+ AllNodes.push_back(&EntryNode);
+}
+
+void SelectionDAG::init(MachineFunction &mf, MachineModuleInfo *mmi,
+ DwarfWriter *dw) {
+ MF = &mf;
+ MMI = mmi;
+ DW = dw;
+}
+
SelectionDAG::~SelectionDAG() {
- while (!AllNodes.empty()) {
- SDNode *N = AllNodes.begin();
- N->SetNextInBucket(0);
- if (N->OperandsNeedDelete) {
- delete [] N->OperandList;
- }
- N->OperandList = 0;
- N->NumOperands = 0;
- AllNodes.pop_front();
- }
+ allnodes_clear();
+}
+
+void SelectionDAG::allnodes_clear() {
+ assert(&*AllNodes.begin() == &EntryNode);
+ AllNodes.remove(AllNodes.begin());
+ while (!AllNodes.empty())
+ DeallocateNode(AllNodes.begin());
+}
+
+void SelectionDAG::clear() {
+ allnodes_clear();
+ OperandAllocator.Reset();
+ CSEMap.clear();
+
+ ExtendedValueTypeNodes.clear();
+ ExternalSymbols.clear();
+ TargetExternalSymbols.clear();
+ std::fill(CondCodeNodes.begin(), CondCodeNodes.end(),
+ static_cast<CondCodeSDNode*>(0));
+ std::fill(ValueTypeNodes.begin(), ValueTypeNodes.end(),
+ static_cast<SDNode*>(0));
+
+ EntryNode.UseList = 0;
+ AllNodes.push_back(&EntryNode);
+ Root = getEntryNode();
}
-SDOperand SelectionDAG::getZeroExtendInReg(SDOperand Op, MVT VT) {
+SDValue SelectionDAG::getZeroExtendInReg(SDValue Op, MVT VT) {
if (Op.getValueType() == VT) return Op;
APInt Imm = APInt::getLowBitsSet(Op.getValueSizeInBits(),
VT.getSizeInBits());
getConstant(Imm, Op.getValueType()));
}
-SDOperand SelectionDAG::getConstant(uint64_t Val, MVT VT, bool isT) {
+SDValue SelectionDAG::getZeroExtendInReg(SDValue Op, DebugLoc DL, MVT VT) {
+ if (Op.getValueType() == VT) return Op;
+ APInt Imm = APInt::getLowBitsSet(Op.getValueSizeInBits(),
+ VT.getSizeInBits());
+ return getNode(ISD::AND, DL, Op.getValueType(), Op,
+ getConstant(Imm, Op.getValueType()));
+}
+
+/// getNOT - Create a bitwise NOT operation as (XOR Val, -1).
+///
+SDValue SelectionDAG::getNOT(DebugLoc DL, SDValue Val, MVT VT) {
+ SDValue NegOne;
+ if (VT.isVector()) {
+ MVT EltVT = VT.getVectorElementType();
+ SDValue NegOneElt = getConstant(EltVT.getIntegerVTBitMask(), EltVT);
+ std::vector<SDValue> NegOnes(VT.getVectorNumElements(), NegOneElt);
+ NegOne = getNode(ISD::BUILD_VECTOR, DebugLoc::getUnknownLoc(), VT,
+ &NegOnes[0], NegOnes.size());
+ } else {
+ NegOne = getConstant(VT.getIntegerVTBitMask(), VT);
+ }
+
+ return getNode(ISD::XOR, DL, VT, Val, NegOne);
+}
+
+SDValue SelectionDAG::getConstant(uint64_t Val, MVT VT, bool isT) {
MVT EltVT = VT.isVector() ? VT.getVectorElementType() : VT;
+ assert((EltVT.getSizeInBits() >= 64 ||
+ (uint64_t)((int64_t)Val >> EltVT.getSizeInBits()) + 1 < 2) &&
+ "getConstant with a uint64_t value that doesn't fit in the type!");
return getConstant(APInt(EltVT.getSizeInBits(), Val), VT, isT);
}
-SDOperand SelectionDAG::getConstant(const APInt &Val, MVT VT, bool isT) {
+SDValue SelectionDAG::getConstant(const APInt &Val, MVT VT, bool isT) {
+ return getConstant(*ConstantInt::get(Val), VT, isT);
+}
+
+SDValue SelectionDAG::getConstant(const ConstantInt &Val, MVT VT, bool isT) {
assert(VT.isInteger() && "Cannot create FP integer constant!");
MVT EltVT = VT.isVector() ? VT.getVectorElementType() : VT;
unsigned Opc = isT ? ISD::TargetConstant : ISD::Constant;
FoldingSetNodeID ID;
AddNodeIDNode(ID, Opc, getVTList(EltVT), 0, 0);
- ID.Add(Val);
+ ID.AddPointer(&Val);
void *IP = 0;
SDNode *N = NULL;
if ((N = CSEMap.FindNodeOrInsertPos(ID, IP)))
if (!VT.isVector())
- return SDOperand(N, 0);
+ return SDValue(N, 0);
if (!N) {
- N = getAllocator().Allocate<ConstantSDNode>();
- new (N) ConstantSDNode(isT, Val, EltVT);
+ N = NodeAllocator.Allocate<ConstantSDNode>();
+ new (N) ConstantSDNode(isT, &Val, EltVT);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
}
- SDOperand Result(N, 0);
+ SDValue Result(N, 0);
if (VT.isVector()) {
- SmallVector<SDOperand, 8> Ops;
+ SmallVector<SDValue, 8> Ops;
Ops.assign(VT.getVectorNumElements(), Result);
Result = getNode(ISD::BUILD_VECTOR, VT, &Ops[0], Ops.size());
}
return Result;
}
-SDOperand SelectionDAG::getIntPtrConstant(uint64_t Val, bool isTarget) {
+SDValue SelectionDAG::getIntPtrConstant(uint64_t Val, bool isTarget) {
return getConstant(Val, TLI.getPointerTy(), isTarget);
}
-SDOperand SelectionDAG::getConstantFP(const APFloat& V, MVT VT, bool isTarget) {
+SDValue SelectionDAG::getConstantFP(const APFloat& V, MVT VT, bool isTarget) {
+ return getConstantFP(*ConstantFP::get(V), VT, isTarget);
+}
+
+SDValue SelectionDAG::getConstantFP(const ConstantFP& V, MVT VT, bool isTarget){
assert(VT.isFloatingPoint() && "Cannot create integer FP constant!");
MVT EltVT =
unsigned Opc = isTarget ? ISD::TargetConstantFP : ISD::ConstantFP;
FoldingSetNodeID ID;
AddNodeIDNode(ID, Opc, getVTList(EltVT), 0, 0);
- ID.Add(V);
+ ID.AddPointer(&V);
void *IP = 0;
SDNode *N = NULL;
if ((N = CSEMap.FindNodeOrInsertPos(ID, IP)))
if (!VT.isVector())
- return SDOperand(N, 0);
+ return SDValue(N, 0);
if (!N) {
- N = getAllocator().Allocate<ConstantFPSDNode>();
- new (N) ConstantFPSDNode(isTarget, V, EltVT);
+ N = NodeAllocator.Allocate<ConstantFPSDNode>();
+ new (N) ConstantFPSDNode(isTarget, &V, EltVT);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
}
- SDOperand Result(N, 0);
+ SDValue Result(N, 0);
if (VT.isVector()) {
- SmallVector<SDOperand, 8> Ops;
+ SmallVector<SDValue, 8> Ops;
Ops.assign(VT.getVectorNumElements(), Result);
Result = getNode(ISD::BUILD_VECTOR, VT, &Ops[0], Ops.size());
}
return Result;
}
-SDOperand SelectionDAG::getConstantFP(double Val, MVT VT, bool isTarget) {
+SDValue SelectionDAG::getConstantFP(double Val, MVT VT, bool isTarget) {
MVT EltVT =
VT.isVector() ? VT.getVectorElementType() : VT;
if (EltVT==MVT::f32)
return getConstantFP(APFloat(Val), VT, isTarget);
}
-SDOperand SelectionDAG::getGlobalAddress(const GlobalValue *GV,
- MVT VT, int Offset,
- bool isTargetGA) {
+SDValue SelectionDAG::getGlobalAddress(const GlobalValue *GV,
+ MVT VT, int64_t Offset,
+ bool isTargetGA) {
unsigned Opc;
+ // Truncate (with sign-extension) the offset value to the pointer size.
+ unsigned BitWidth = TLI.getPointerTy().getSizeInBits();
+ if (BitWidth < 64)
+ Offset = (Offset << (64 - BitWidth) >> (64 - BitWidth));
+
const GlobalVariable *GVar = dyn_cast<GlobalVariable>(GV);
if (!GVar) {
// If GV is an alias then use the aliasee for determining thread-localness.
if (const GlobalAlias *GA = dyn_cast<GlobalAlias>(GV))
- GVar = dyn_cast_or_null<GlobalVariable>(GA->resolveAliasedGlobal());
+ GVar = dyn_cast_or_null<GlobalVariable>(GA->resolveAliasedGlobal(false));
}
if (GVar && GVar->isThreadLocal())
ID.AddInteger(Offset);
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- SDNode *N = getAllocator().Allocate<GlobalAddressSDNode>();
+ return SDValue(E, 0);
+ SDNode *N = NodeAllocator.Allocate<GlobalAddressSDNode>();
new (N) GlobalAddressSDNode(isTargetGA, GV, VT, Offset);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getFrameIndex(int FI, MVT VT, bool isTarget) {
+SDValue SelectionDAG::getFrameIndex(int FI, MVT VT, bool isTarget) {
unsigned Opc = isTarget ? ISD::TargetFrameIndex : ISD::FrameIndex;
FoldingSetNodeID ID;
AddNodeIDNode(ID, Opc, getVTList(VT), 0, 0);
ID.AddInteger(FI);
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- SDNode *N = getAllocator().Allocate<FrameIndexSDNode>();
+ return SDValue(E, 0);
+ SDNode *N = NodeAllocator.Allocate<FrameIndexSDNode>();
new (N) FrameIndexSDNode(FI, VT, isTarget);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getJumpTable(int JTI, MVT VT, bool isTarget){
+SDValue SelectionDAG::getJumpTable(int JTI, MVT VT, bool isTarget){
unsigned Opc = isTarget ? ISD::TargetJumpTable : ISD::JumpTable;
FoldingSetNodeID ID;
AddNodeIDNode(ID, Opc, getVTList(VT), 0, 0);
ID.AddInteger(JTI);
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- SDNode *N = getAllocator().Allocate<JumpTableSDNode>();
+ return SDValue(E, 0);
+ SDNode *N = NodeAllocator.Allocate<JumpTableSDNode>();
new (N) JumpTableSDNode(JTI, VT, isTarget);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getConstantPool(Constant *C, MVT VT,
- unsigned Alignment, int Offset,
- bool isTarget) {
+SDValue SelectionDAG::getConstantPool(Constant *C, MVT VT,
+ unsigned Alignment, int Offset,
+ bool isTarget) {
+ if (Alignment == 0)
+ Alignment =
+ TLI.getTargetData()->getPreferredTypeAlignmentShift(C->getType());
unsigned Opc = isTarget ? ISD::TargetConstantPool : ISD::ConstantPool;
FoldingSetNodeID ID;
AddNodeIDNode(ID, Opc, getVTList(VT), 0, 0);
ID.AddPointer(C);
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- SDNode *N = getAllocator().Allocate<ConstantPoolSDNode>();
+ return SDValue(E, 0);
+ SDNode *N = NodeAllocator.Allocate<ConstantPoolSDNode>();
new (N) ConstantPoolSDNode(isTarget, C, VT, Offset, Alignment);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getConstantPool(MachineConstantPoolValue *C, MVT VT,
- unsigned Alignment, int Offset,
- bool isTarget) {
+SDValue SelectionDAG::getConstantPool(MachineConstantPoolValue *C, MVT VT,
+ unsigned Alignment, int Offset,
+ bool isTarget) {
+ if (Alignment == 0)
+ Alignment =
+ TLI.getTargetData()->getPreferredTypeAlignmentShift(C->getType());
unsigned Opc = isTarget ? ISD::TargetConstantPool : ISD::ConstantPool;
FoldingSetNodeID ID;
AddNodeIDNode(ID, Opc, getVTList(VT), 0, 0);
C->AddSelectionDAGCSEId(ID);
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- SDNode *N = getAllocator().Allocate<ConstantPoolSDNode>();
+ return SDValue(E, 0);
+ SDNode *N = NodeAllocator.Allocate<ConstantPoolSDNode>();
new (N) ConstantPoolSDNode(isTarget, C, VT, Offset, Alignment);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getBasicBlock(MachineBasicBlock *MBB) {
+SDValue SelectionDAG::getBasicBlock(MachineBasicBlock *MBB) {
FoldingSetNodeID ID;
AddNodeIDNode(ID, ISD::BasicBlock, getVTList(MVT::Other), 0, 0);
ID.AddPointer(MBB);
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- SDNode *N = getAllocator().Allocate<BasicBlockSDNode>();
+ return SDValue(E, 0);
+ SDNode *N = NodeAllocator.Allocate<BasicBlockSDNode>();
new (N) BasicBlockSDNode(MBB);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
+}
+
+SDValue SelectionDAG::getBasicBlock(MachineBasicBlock *MBB, DebugLoc dl) {
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, ISD::BasicBlock, getVTList(MVT::Other), 0, 0);
+ ID.AddPointer(MBB);
+ void *IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return SDValue(E, 0);
+ SDNode *N = NodeAllocator.Allocate<BasicBlockSDNode>();
+ new (N) BasicBlockSDNode(MBB, dl);
+ CSEMap.InsertNode(N, IP);
+ AllNodes.push_back(N);
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getArgFlags(ISD::ArgFlagsTy Flags) {
+SDValue SelectionDAG::getArgFlags(ISD::ArgFlagsTy Flags) {
FoldingSetNodeID ID;
AddNodeIDNode(ID, ISD::ARG_FLAGS, getVTList(MVT::Other), 0, 0);
ID.AddInteger(Flags.getRawBits());
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- SDNode *N =
getAllocator().Allocate<ARG_FLAGSSDNode>();
+ return SDValue(E, 0);
+ SDNode *N =
NodeAllocator.Allocate<ARG_FLAGSSDNode>();
new (N) ARG_FLAGSSDNode(Flags);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getValueType(MVT VT) {
+SDValue SelectionDAG::getValueType(MVT VT) {
if (VT.isSimple() && (unsigned)VT.getSimpleVT() >= ValueTypeNodes.size())
ValueTypeNodes.resize(VT.getSimpleVT()+1);
SDNode *&N = VT.isExtended() ?
ExtendedValueTypeNodes[VT] : ValueTypeNodes[VT.getSimpleVT()];
- if (N) return SDOperand(N, 0);
- N = getAllocator().Allocate<VTSDNode>();
+ if (N) return SDValue(N, 0);
+ N = NodeAllocator.Allocate<VTSDNode>();
new (N) VTSDNode(VT);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getExternalSymbol(const char *Sym, MVT VT) {
+SDValue SelectionDAG::getExternalSymbol(const char *Sym, MVT VT) {
SDNode *&N = ExternalSymbols[Sym];
- if (N) return SDOperand(N, 0);
- N = getAllocator().Allocate<ExternalSymbolSDNode>();
+ if (N) return SDValue(N, 0);
+ N = NodeAllocator.Allocate<ExternalSymbolSDNode>();
new (N) ExternalSymbolSDNode(false, Sym, VT);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
+}
+
+SDValue SelectionDAG::getExternalSymbol(const char *Sym, DebugLoc dl, MVT VT) {
+ SDNode *&N = ExternalSymbols[Sym];
+ if (N) return SDValue(N, 0);
+ N = NodeAllocator.Allocate<ExternalSymbolSDNode>();
+ new (N) ExternalSymbolSDNode(false, dl, Sym, VT);
+ AllNodes.push_back(N);
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getTargetExternalSymbol(const char *Sym, MVT VT) {
+SDValue SelectionDAG::getTargetExternalSymbol(const char *Sym, MVT VT) {
SDNode *&N = TargetExternalSymbols[Sym];
- if (N) return SDOperand(N, 0);
- N = getAllocator().Allocate<ExternalSymbolSDNode>();
+ if (N) return SDValue(N, 0);
+ N = NodeAllocator.Allocate<ExternalSymbolSDNode>();
new (N) ExternalSymbolSDNode(true, Sym, VT);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getCondCode(ISD::CondCode Cond) {
+SDValue SelectionDAG::getTargetExternalSymbol(const char *Sym, DebugLoc dl,
+ MVT VT) {
+ SDNode *&N = TargetExternalSymbols[Sym];
+ if (N) return SDValue(N, 0);
+ N = NodeAllocator.Allocate<ExternalSymbolSDNode>();
+ new (N) ExternalSymbolSDNode(true, dl, Sym, VT);
+ AllNodes.push_back(N);
+ return SDValue(N, 0);
+}
+
+SDValue SelectionDAG::getCondCode(ISD::CondCode Cond) {
if ((unsigned)Cond >= CondCodeNodes.size())
CondCodeNodes.resize(Cond+1);
if (CondCodeNodes[Cond] == 0) {
- CondCodeSDNode *N = getAllocator().Allocate<CondCodeSDNode>();
+ CondCodeSDNode *N = NodeAllocator.Allocate<CondCodeSDNode>();
new (N) CondCodeSDNode(Cond);
CondCodeNodes[Cond] = N;
AllNodes.push_back(N);
}
- return SDOperand(CondCodeNodes[Cond], 0);
+ return SDValue(CondCodeNodes[Cond], 0);
+}
+
+SDValue SelectionDAG::getConvertRndSat(MVT VT, SDValue Val, SDValue DTy,
+ SDValue STy, SDValue Rnd, SDValue Sat,
+ ISD::CvtCode Code) {
+ // If the src and dest types are the same, no conversion is necessary.
+ if (DTy == STy)
+ return Val;
+
+ FoldingSetNodeID ID;
+ void* IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return SDValue(E, 0);
+ CvtRndSatSDNode *N = NodeAllocator.Allocate<CvtRndSatSDNode>();
+ SDValue Ops[] = { Val, DTy, STy, Rnd, Sat };
+ new (N) CvtRndSatSDNode(VT, Ops, 5, Code);
+ CSEMap.InsertNode(N, IP);
+ AllNodes.push_back(N);
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getRegister(unsigned RegNo, MVT VT) {
+SDValue SelectionDAG::getRegister(unsigned RegNo, MVT VT) {
FoldingSetNodeID ID;
AddNodeIDNode(ID, ISD::Register, getVTList(VT), 0, 0);
ID.AddInteger(RegNo);
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- SDNode *N = getAllocator().Allocate<RegisterSDNode>();
+ return SDValue(E, 0);
+ SDNode *N = NodeAllocator.Allocate<RegisterSDNode>();
new (N) RegisterSDNode(RegNo, VT);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getDbgStopPoint(SDOperand Root,
- unsigned Line, unsigned Col,
- const CompileUnitDesc *CU) {
- SDNode *N = getAllocator().Allocate<DbgStopPointSDNode>();
+SDValue SelectionDAG::getDbgStopPoint(SDValue Root,
+ unsigned Line, unsigned Col,
+ Value *CU) {
+ SDNode *N = NodeAllocator.Allocate<DbgStopPointSDNode>();
new (N) DbgStopPointSDNode(Root, Line, Col, CU);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getLabel(unsigned Opcode,
- SDOperand Root,
- unsigned LabelID) {
+SDValue SelectionDAG::getLabel(unsigned Opcode,
+ SDValue Root,
+ unsigned LabelID) {
FoldingSetNodeID ID;
- SDOperand Ops[] = { Root };
+ SDValue Ops[] = { Root };
AddNodeIDNode(ID, Opcode, getVTList(MVT::Other), &Ops[0], 1);
ID.AddInteger(LabelID);
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- SDNode *N = getAllocator().Allocate<LabelSDNode>();
+ return SDValue(E, 0);
+ SDNode *N = NodeAllocator.Allocate<LabelSDNode>();
new (N) LabelSDNode(Opcode, Root, LabelID);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
+}
+
+SDValue SelectionDAG::getLabel(unsigned Opcode, DebugLoc dl,
+ SDValue Root,
+ unsigned LabelID) {
+ FoldingSetNodeID ID;
+ SDValue Ops[] = { Root };
+ AddNodeIDNode(ID, Opcode, getVTList(MVT::Other), &Ops[0], 1);
+ ID.AddInteger(LabelID);
+ void *IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return SDValue(E, 0);
+ SDNode *N = NodeAllocator.Allocate<LabelSDNode>();
+ new (N) LabelSDNode(Opcode, dl, Root, LabelID);
+ CSEMap.InsertNode(N, IP);
+ AllNodes.push_back(N);
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getSrcValue(const Value *V) {
+SDValue SelectionDAG::getSrcValue(const Value *V) {
assert((!V || isa<PointerType>(V->getType())) &&
"SrcValue is not a pointer?");
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
+ return SDValue(E, 0);
- SDNode *N = getAllocator().Allocate<SrcValueSDNode>();
+ SDNode *N = NodeAllocator.Allocate<SrcValueSDNode>();
new (N) SrcValueSDNode(V);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getMemOperand(const MachineMemOperand &MO) {
+SDValue SelectionDAG::getMemOperand(const MachineMemOperand &MO) {
+#ifndef NDEBUG
const Value *v = MO.getValue();
assert((!v || isa<PointerType>(v->getType())) &&
"SrcValue is not a pointer?");
+#endif
FoldingSetNodeID ID;
AddNodeIDNode(ID, ISD::MEMOPERAND, getVTList(MVT::Other), 0, 0);
- ID.AddPointer(v);
- ID.AddInteger(MO.getFlags());
- ID.AddInteger(MO.getOffset());
- ID.AddInteger(MO.getSize());
- ID.AddInteger(MO.getAlignment());
+ MO.Profile(ID);
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
+ return SDValue(E, 0);
- SDNode *N = getAllocator().Allocate<MemOperandSDNode>();
+ SDNode *N = NodeAllocator.Allocate<MemOperandSDNode>();
new (N) MemOperandSDNode(MO);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
+}
+
+/// getShiftAmountOperand - Return the specified value casted to
+/// the target's desired shift amount type.
+SDValue SelectionDAG::getShiftAmountOperand(SDValue Op) {
+ MVT OpTy = Op.getValueType();
+ MVT ShTy = TLI.getShiftAmountTy();
+ if (OpTy == ShTy || OpTy.isVector()) return Op;
+
+ ISD::NodeType Opcode = OpTy.bitsGT(ShTy) ? ISD::TRUNCATE : ISD::ZERO_EXTEND;
+ return getNode(Opcode, ShTy, Op);
}
/// CreateStackTemporary - Create a stack temporary, suitable for holding the
/// specified value type.
-SDOperand SelectionDAG::CreateStackTemporary(MVT VT, unsigned minAlign) {
+SDValue SelectionDAG::CreateStackTemporary(MVT VT, unsigned minAlign) {
MachineFrameInfo *FrameInfo = getMachineFunction().getFrameInfo();
- unsigned ByteSize = VT.getSizeInBits()/8;
+ unsigned ByteSize = VT.getStoreSizeInBits()/8;
const Type *Ty = VT.getTypeForMVT();
unsigned StackAlign =
std::max((unsigned)TLI.getTargetData()->getPrefTypeAlignment(Ty), minAlign);
return getFrameIndex(FrameIdx, TLI.getPointerTy());
}
-SDOperand SelectionDAG::FoldSetCC(MVT VT, SDOperand N1,
- SDOperand N2, ISD::CondCode Cond) {
+/// CreateStackTemporary - Create a stack temporary suitable for holding
+/// either of the specified value types.
+SDValue SelectionDAG::CreateStackTemporary(MVT VT1, MVT VT2) {
+ unsigned Bytes = std::max(VT1.getStoreSizeInBits(),
+ VT2.getStoreSizeInBits())/8;
+ const Type *Ty1 = VT1.getTypeForMVT();
+ const Type *Ty2 = VT2.getTypeForMVT();
+ const TargetData *TD = TLI.getTargetData();
+ unsigned Align = std::max(TD->getPrefTypeAlignment(Ty1),
+ TD->getPrefTypeAlignment(Ty2));
+
+ MachineFrameInfo *FrameInfo = getMachineFunction().getFrameInfo();
+ int FrameIdx = FrameInfo->CreateStackObject(Bytes, Align);
+ return getFrameIndex(FrameIdx, TLI.getPointerTy());
+}
+
+SDValue SelectionDAG::FoldSetCC(MVT VT, SDValue N1,
+ SDValue N2, ISD::CondCode Cond) {
// These setcc operations always fold.
switch (Cond) {
default: break;
break;
}
- if (ConstantSDNode *N2C = dyn_cast<ConstantSDNode>(N2.Val)) {
+ if (ConstantSDNode *N2C = dyn_cast<ConstantSDNode>(N2.getNode())) {
const APInt &C2 = N2C->getAPIntValue();
- if (ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1.Val)) {
+ if (ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1.getNode())) {
const APInt &C1 = N1C->getAPIntValue();
switch (Cond) {
}
}
}
- if (ConstantFPSDNode *N1C = dyn_cast<ConstantFPSDNode>(N1.Val)) {
- if (ConstantFPSDNode *N2C = dyn_cast<ConstantFPSDNode>(N2.Val)) {
+ if (ConstantFPSDNode *N1C = dyn_cast<ConstantFPSDNode>(N1.getNode())) {
+ if (ConstantFPSDNode *N2C = dyn_cast<ConstantFPSDNode>(N2.getNode())) {
// No compile time operations on this type yet.
if (N1C->getValueType(0) == MVT::ppcf128)
- return SDOperand();
+ return SDValue();
APFloat::cmpResult R = N1C->getValueAPF().compare(N2C->getValueAPF());
switch (Cond) {
}
// Could not fold it.
- return SDOperand();
+ return SDValue();
}
/// SignBitIsZero - Return true if the sign bit of Op is known to be zero. We
/// use this predicate to simplify operations downstream.
-bool SelectionDAG::SignBitIsZero(SDOperand Op, unsigned Depth) const {
+bool SelectionDAG::SignBitIsZero(SDValue Op, unsigned Depth) const {
unsigned BitWidth = Op.getValueSizeInBits();
return MaskedValueIsZero(Op, APInt::getSignBit(BitWidth), Depth);
}
/// MaskedValueIsZero - Return true if 'V & Mask' is known to be zero. We use
/// this predicate to simplify operations downstream. Mask is known to be zero
/// for bits that V cannot have.
-bool SelectionDAG::MaskedValueIsZero(SDOperand Op, const APInt &Mask,
+bool SelectionDAG::MaskedValueIsZero(SDValue Op, const APInt &Mask,
unsigned Depth) const {
APInt KnownZero, KnownOne;
ComputeMaskedBits(Op, Mask, KnownZero, KnownOne, Depth);
/// known to be either zero or one and return them in the KnownZero/KnownOne
/// bitsets. This code only analyzes bits in Mask, in order to short-circuit
/// processing.
-void SelectionDAG::ComputeMaskedBits(SDOperand Op, const APInt &Mask,
+void SelectionDAG::ComputeMaskedBits(SDValue Op, const APInt &Mask,
APInt &KnownZero, APInt &KnownOne,
unsigned Depth) const {
unsigned BitWidth = Mask.getBitWidth();
KnownOne &= KnownOne2;
KnownZero &= KnownZero2;
return;
+ case ISD::SADDO:
+ case ISD::UADDO:
+ case ISD::SSUBO:
+ case ISD::USUBO:
+ case ISD::SMULO:
+ case ISD::UMULO:
+ if (Op.getResNo() != 1)
+ return;
+ // The boolean result conforms to getBooleanContents. Fall through.
case ISD::SETCC:
// If we know the result of a setcc has the top bits zero, use this info.
- if (TLI.getSetCCResultContents() == TargetLowering::ZeroOrOneSetCCResult &&
+ if (TLI.getBooleanContents() == TargetLowering::ZeroOrOneBooleanContent &&
BitWidth > 1)
KnownZero |= APInt::getHighBitsSet(BitWidth, BitWidth - 1);
return;
case ISD::SHL:
// (shl X, C1) & C2 == 0 iff (X & C2 >>u C1) == 0
if (ConstantSDNode *SA = dyn_cast<ConstantSDNode>(Op.getOperand(1))) {
- unsigned ShAmt = SA->getValue();
+ unsigned ShAmt = SA->getZExtValue();
// If the shift count is an invalid immediate, don't do anything.
if (ShAmt >= BitWidth)
case ISD::SRL:
// (ushr X, C1) & C2 == 0 iff (-1 >> C1) & C2 == 0
if (ConstantSDNode *SA = dyn_cast<ConstantSDNode>(Op.getOperand(1))) {
- unsigned ShAmt = SA->getValue();
+ unsigned ShAmt = SA->getZExtValue();
// If the shift count is an invalid immediate, don't do anything.
if (ShAmt >= BitWidth)
return;
case ISD::SRA:
if (ConstantSDNode *SA = dyn_cast<ConstantSDNode>(Op.getOperand(1))) {
- unsigned ShAmt = SA->getValue();
+ unsigned ShAmt = SA->getZExtValue();
// If the shift count is an invalid immediate, don't do anything.
if (ShAmt >= BitWidth)
return;
}
case ISD::LOAD: {
- if (ISD::isZEXTLoad(Op.Val)) {
+ if (ISD::isZEXTLoad(Op.getNode())) {
LoadSDNode *LD = cast<LoadSDNode>(Op);
MVT VT = LD->getMemoryVT();
unsigned MemBits = VT.getSizeInBits();
APInt Mask2 = LowBits | APInt::getSignBit(BitWidth);
ComputeMaskedBits(Op.getOperand(0), Mask2,KnownZero2,KnownOne2,Depth+1);
- // The sign of a remainder is equal to the sign of the first
- // operand (zero being positive).
+ // If the sign bit of the first operand is zero, the sign bit of
+ // the result is zero. If the first operand has no one bits below
+ // the second operand's single 1 bit, its sign will be zero.
if (KnownZero2[BitWidth-1] || ((KnownZero2 & LowBits) == LowBits))
KnownZero2 |= ~LowBits;
- else if (KnownOne2[BitWidth-1])
- KnownOne2 |= ~LowBits;
KnownZero |= KnownZero2 & Mask;
- KnownOne |= KnownOne2 & Mask;
assert((KnownZero & KnownOne) == 0&&"Bits known to be one AND zero?");
}
/// is always equal to the sign bit (itself), but other cases can give us
/// information. For example, immediately after an "SRA X, 2", we know that
/// the top 3 bits are all equal to each other, so we return 3.
-unsigned SelectionDAG::ComputeNumSignBits(SDOperand Op, unsigned Depth) const{
+unsigned SelectionDAG::ComputeNumSignBits(SDValue Op, unsigned Depth) const{
MVT VT = Op.getValueType();
assert(VT.isInteger() && "Invalid VT!");
unsigned VTBits = VT.getSizeInBits();
Tmp = ComputeNumSignBits(Op.getOperand(0), Depth+1);
// SRA X, C -> adds C sign bits.
if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Op.getOperand(1))) {
- Tmp += C->getValue();
+ Tmp += C->getZExtValue();
if (Tmp > VTBits) Tmp = VTBits;
}
return Tmp;
if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Op.getOperand(1))) {
// shl destroys sign bits.
Tmp = ComputeNumSignBits(Op.getOperand(0), Depth+1);
- if (C->getValue() >= VTBits || // Bad shift.
- C->getValue() >= Tmp) break; // Shifted all sign bits out.
- return Tmp - C->getValue();
+ if (C->getZExtValue() >= VTBits || // Bad shift.
+ C->getZExtValue() >= Tmp) break; // Shifted all sign bits out.
+ return Tmp - C->getZExtValue();
}
break;
case ISD::AND:
if (Tmp == 1) return 1; // Early out.
Tmp2 = ComputeNumSignBits(Op.getOperand(2), Depth+1);
return std::min(Tmp, Tmp2);
-
+
+ case ISD::SADDO:
+ case ISD::UADDO:
+ case ISD::SSUBO:
+ case ISD::USUBO:
+ case ISD::SMULO:
+ case ISD::UMULO:
+ if (Op.getResNo() != 1)
+ break;
+ // The boolean result conforms to getBooleanContents. Fall through.
case ISD::SETCC:
// If setcc returns 0/-1, all bits are sign bits.
- if (TLI.getSetCCResultContents() ==
- TargetLowering::ZeroOrNegativeOneSetCCResult)
+ if (TLI.getBooleanContents() ==
+ TargetLowering::ZeroOrNegativeOneBooleanContent)
return VTBits;
break;
case ISD::ROTL:
case ISD::ROTR:
if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Op.getOperand(1))) {
- unsigned RotAmt = C->getValue() & (VTBits-1);
+ unsigned RotAmt = C->getZExtValue() & (VTBits-1);
// Handle rotate right by N like a rotate left by 32-N.
if (Op.getOpcode() == ISD::ROTR)
}
-bool SelectionDAG::isVerifiedDebugInfoDesc(SDOperand Op) const {
+bool SelectionDAG::isVerifiedDebugInfoDesc(SDValue Op) const {
GlobalAddressSDNode *GA = dyn_cast<GlobalAddressSDNode>(Op);
if (!GA) return false;
+ if (GA->getOffset() != 0) return false;
GlobalVariable *GV = dyn_cast<GlobalVariable>(GA->getGlobal());
if (!GV) return false;
MachineModuleInfo *MMI = getMachineModuleInfo();
- return MMI && MMI->hasDebugInfo() && MMI->isVerified(GV);
+ return MMI && MMI->hasDebugInfo();
}
/// getShuffleScalarElt - Returns the scalar element that will make up the ith
/// element of the result of the vector shuffle.
-SDOperand SelectionDAG::getShuffleScalarElt(const SDNode *N, unsigned i) {
+SDValue SelectionDAG::getShuffleScalarElt(const SDNode *N, unsigned i) {
MVT VT = N->getValueType(0);
- SDOperand PermMask = N->getOperand(2);
- SDOperand Idx = PermMask.getOperand(i);
+ SDValue PermMask = N->getOperand(2);
+ SDValue Idx = PermMask.getOperand(i);
if (Idx.getOpcode() == ISD::UNDEF)
return getNode(ISD::UNDEF, VT.getVectorElementType());
- unsigned Index = cast<ConstantSDNode>(Idx)->getValue();
+ unsigned Index = cast<ConstantSDNode>(Idx)->getZExtValue();
unsigned NumElems = PermMask.getNumOperands();
- SDOperand V = (Index < NumElems) ? N->getOperand(0) : N->getOperand(1);
+ SDValue V = (Index < NumElems) ? N->getOperand(0) : N->getOperand(1);
Index %= NumElems;
if (V.getOpcode() == ISD::BIT_CONVERT) {
V = V.getOperand(0);
- if (V.getValueType().getVectorNumElements() != NumElems)
- return SDOperand();
+ MVT VVT = V.getValueType();
+ if (!VVT.isVector() || VVT.getVectorNumElements() != NumElems)
+ return SDValue();
}
if (V.getOpcode() == ISD::SCALAR_TO_VECTOR)
return (Index == 0) ? V.getOperand(0)
if (V.getOpcode() == ISD::BUILD_VECTOR)
return V.getOperand(Index);
if (V.getOpcode() == ISD::VECTOR_SHUFFLE)
- return getShuffleScalarElt(V.Val, Index);
- return SDOperand();
+ return getShuffleScalarElt(V.getNode(), Index);
+ return SDValue();
}
/// getNode - Gets or creates the specified node.
///
-SDOperand SelectionDAG::getNode(unsigned Opcode, MVT VT) {
+SDValue SelectionDAG::getNode(unsigned Opcode, MVT VT) {
+ return getNode(Opcode, DebugLoc::getUnknownLoc(), VT);
+}
+
+SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, MVT VT) {
FoldingSetNodeID ID;
AddNodeIDNode(ID, Opcode, getVTList(VT), 0, 0);
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- SDNode *N = getAllocator().Allocate<SDNode>();
- new (N) SDNode(Opcode, SDNode::getSDVTList(VT));
+ return SDValue(E, 0);
+ SDNode *N = NodeAllocator.Allocate<SDNode>();
+ new (N) SDNode(Opcode, DL, SDNode::getSDVTList(VT));
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
#ifndef NDEBUG
VerifyNode(N);
#endif
- return SDOperand(N, 0);
+ return SDValue(N, 0);
+}
+
+SDValue SelectionDAG::getNode(unsigned Opcode, MVT VT, SDValue Operand) {
+ return getNode(Opcode, DebugLoc::getUnknownLoc(), VT, Operand);
}
-SDOperand SelectionDAG::getNode(unsigned Opcode, MVT VT, SDOperand Operand) {
+SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL,
+ MVT VT, SDValue Operand) {
// Constant fold unary operations with an integer constant operand.
- if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Operand.Val)) {
+ if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Operand.getNode())) {
const APInt &Val = C->getAPIntValue();
unsigned BitWidth = VT.getSizeInBits();
switch (Opcode) {
}
// Constant fold unary operations with a floating point constant operand.
- if (ConstantFPSDNode *C = dyn_cast<ConstantFPSDNode>(Operand.Val)) {
+ if (ConstantFPSDNode *C = dyn_cast<ConstantFPSDNode>(Operand.getNode())) {
APFloat V = C->getValueAPF(); // make copy
if (VT != MVT::ppcf128 && Operand.getValueType() != MVT::ppcf128) {
switch (Opcode) {
V.clearSign();
return getConstantFP(V, VT);
case ISD::FP_ROUND:
- case ISD::FP_EXTEND:
+ case ISD::FP_EXTEND: {
+ bool ignored;
// This can return overflow, underflow, or inexact; we don't care.
// FIXME need to be more flexible about rounding mode.
(void)V.convert(*MVTToAPFloatSemantics(VT),
- APFloat::rmNearestTiesToEven);
+ APFloat::rmNearestTiesToEven, &ignored);
return getConstantFP(V, VT);
+ }
case ISD::FP_TO_SINT:
case ISD::FP_TO_UINT: {
integerPart x;
+ bool ignored;
assert(integerPartWidth >= 64);
// FIXME need to be more flexible about rounding mode.
APFloat::opStatus s = V.convertToInteger(&x, 64U,
Opcode==ISD::FP_TO_SINT,
- APFloat::rmTowardZero);
+ APFloat::rmTowardZero, &ignored);
if (s==APFloat::opInvalidOp) // inexact is OK, in fact usual
break;
return getConstant(x, VT);
}
case ISD::BIT_CONVERT:
if (VT == MVT::i32 && C->getValueType(0) == MVT::f32)
- return getConstant((uint32_t)V.convertToAPInt().getZExtValue(), VT);
+ return getConstant((uint32_t)V.bitcastToAPInt().getZExtValue(), VT);
else if (VT == MVT::i64 && C->getValueType(0) == MVT::f64)
- return getConstant(V.convertToAPInt().getZExtValue(), VT);
+ return getConstant(V.bitcastToAPInt().getZExtValue(), VT);
break;
}
}
}
- unsigned OpOpcode = Operand.Val->getOpcode();
+ unsigned OpOpcode = Operand.getNode()->getOpcode();
switch (Opcode) {
case ISD::TokenFactor:
- return Operand; // Factor of one node? No need.
+ case ISD::MERGE_VALUES:
+ case ISD::CONCAT_VECTORS:
+ return Operand; // Factor, merge or concat of one node? No need.
case ISD::FP_ROUND: assert(0 && "Invalid method to make FP_ROUND node");
case ISD::FP_EXTEND:
assert(VT.isFloatingPoint() &&
assert(Operand.getValueType().bitsLT(VT)
&& "Invalid sext node, dst < src!");
if (OpOpcode == ISD::SIGN_EXTEND || OpOpcode == ISD::ZERO_EXTEND)
- return getNode(OpOpcode, VT, Operand.Val->getOperand(0));
+ return getNode(OpOpcode, VT, Operand.getNode()->getOperand(0));
break;
case ISD::ZERO_EXTEND:
assert(VT.isInteger() && Operand.getValueType().isInteger() &&
assert(Operand.getValueType().bitsLT(VT)
&& "Invalid zext node, dst < src!");
if (OpOpcode == ISD::ZERO_EXTEND) // (zext (zext x)) -> (zext x)
- return getNode(ISD::ZERO_EXTEND, VT, Operand.Val->getOperand(0));
+ return getNode(ISD::ZERO_EXTEND, VT, Operand.getNode()->getOperand(0));
break;
case ISD::ANY_EXTEND:
assert(VT.isInteger() && Operand.getValueType().isInteger() &&
&& "Invalid anyext node, dst < src!");
if (OpOpcode == ISD::ZERO_EXTEND || OpOpcode == ISD::SIGN_EXTEND)
// (ext (zext x)) -> (zext x) and (ext (sext x)) -> (sext x)
- return getNode(OpOpcode, VT, Operand.Val->getOperand(0));
+ return getNode(OpOpcode, VT, Operand.getNode()->getOperand(0));
break;
case ISD::TRUNCATE:
assert(VT.isInteger() && Operand.getValueType().isInteger() &&
assert(Operand.getValueType().bitsGT(VT)
&& "Invalid truncate node, src < dst!");
if (OpOpcode == ISD::TRUNCATE)
- return getNode(ISD::TRUNCATE, VT, Operand.Val->getOperand(0));
+ return getNode(ISD::TRUNCATE, VT, Operand.getNode()->getOperand(0));
else if (OpOpcode == ISD::ZERO_EXTEND || OpOpcode == ISD::SIGN_EXTEND ||
OpOpcode == ISD::ANY_EXTEND) {
// If the source is smaller than the dest, we still need an extend.
- if (Operand.Val->getOperand(0).getValueType().bitsLT(VT))
- return getNode(OpOpcode, VT, Operand.Val->getOperand(0));
- else if (Operand.Val->getOperand(0).getValueType().bitsGT(VT))
- return getNode(ISD::TRUNCATE, VT, Operand.Val->getOperand(0));
+ if (Operand.getNode()->getOperand(0).getValueType().bitsLT(VT))
+ return getNode(OpOpcode, VT, Operand.getNode()->getOperand(0));
+ else if (Operand.getNode()->getOperand(0).getValueType().bitsGT(VT))
+ return getNode(ISD::TRUNCATE, VT, Operand.getNode()->getOperand(0));
else
- return Operand.Val->getOperand(0);
+ return Operand.getNode()->getOperand(0);
}
break;
case ISD::BIT_CONVERT:
return Operand.getOperand(0);
break;
case ISD::FNEG:
- if (OpOpcode == ISD::FSUB) // -(X-Y) -> (Y-X)
- return getNode(ISD::FSUB, VT, Operand.Val->getOperand(1),
- Operand.Val->getOperand(0));
+ // -(X-Y) -> (Y-X) is unsafe because when X==Y, -0.0 != +0.0
+ if (UnsafeFPMath && OpOpcode == ISD::FSUB)
+ return getNode(ISD::FSUB, VT, Operand.getNode()->getOperand(1),
+ Operand.getNode()->getOperand(0));
if (OpOpcode == ISD::FNEG) // --X -> X
- return Operand.Val->getOperand(0);
+ return Operand.getNode()->getOperand(0);
break;
case ISD::FABS:
if (OpOpcode == ISD::FNEG) // abs(-X) -> abs(X)
- return getNode(ISD::FABS, VT, Operand.Val->getOperand(0));
+ return getNode(ISD::FABS, VT, Operand.getNode()->getOperand(0));
break;
}
SDVTList VTs = getVTList(VT);
if (VT != MVT::Flag) { // Don't CSE flag producing nodes
FoldingSetNodeID ID;
- SDOperand Ops[1] = { Operand };
+ SDValue Ops[1] = { Operand };
AddNodeIDNode(ID, Opcode, VTs, Ops, 1);
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- N = getAllocator().Allocate<UnarySDNode>();
- new (N) UnarySDNode(Opcode, VTs, Operand);
+ return SDValue(E, 0);
+ N = NodeAllocator.Allocate<UnarySDNode>();
+ new (N) UnarySDNode(Opcode, DL, VTs, Operand);
CSEMap.InsertNode(N, IP);
} else {
- N = getAllocator().Allocate<UnarySDNode>();
- new (N) UnarySDNode(Opcode, VTs, Operand);
+ N = NodeAllocator.Allocate<UnarySDNode>();
+ new (N) UnarySDNode(Opcode, DL, VTs, Operand);
}
AllNodes.push_back(N);
#ifndef NDEBUG
VerifyNode(N);
#endif
- return SDOperand(N, 0);
+ return SDValue(N, 0);
+}
+
+SDValue SelectionDAG::FoldConstantArithmetic(unsigned Opcode,
+ MVT VT,
+ ConstantSDNode *Cst1,
+ ConstantSDNode *Cst2) {
+ const APInt &C1 = Cst1->getAPIntValue(), &C2 = Cst2->getAPIntValue();
+
+ switch (Opcode) {
+ case ISD::ADD: return getConstant(C1 + C2, VT);
+ case ISD::SUB: return getConstant(C1 - C2, VT);
+ case ISD::MUL: return getConstant(C1 * C2, VT);
+ case ISD::UDIV:
+ if (C2.getBoolValue()) return getConstant(C1.udiv(C2), VT);
+ break;
+ case ISD::UREM:
+ if (C2.getBoolValue()) return getConstant(C1.urem(C2), VT);
+ break;
+ case ISD::SDIV:
+ if (C2.getBoolValue()) return getConstant(C1.sdiv(C2), VT);
+ break;
+ case ISD::SREM:
+ if (C2.getBoolValue()) return getConstant(C1.srem(C2), VT);
+ break;
+ case ISD::AND: return getConstant(C1 & C2, VT);
+ case ISD::OR: return getConstant(C1 | C2, VT);
+ case ISD::XOR: return getConstant(C1 ^ C2, VT);
+ case ISD::SHL: return getConstant(C1 << C2, VT);
+ case ISD::SRL: return getConstant(C1.lshr(C2), VT);
+ case ISD::SRA: return getConstant(C1.ashr(C2), VT);
+ case ISD::ROTL: return getConstant(C1.rotl(C2), VT);
+ case ISD::ROTR: return getConstant(C1.rotr(C2), VT);
+ default: break;
+ }
+
+ return SDValue();
+}
+
+SDValue SelectionDAG::getNode(unsigned Opcode, MVT VT,
+ SDValue N1, SDValue N2) {
+ return getNode(Opcode, DebugLoc::getUnknownLoc(), VT, N1, N2);
}
-SDOperand SelectionDAG::getNode(unsigned Opcode, MVT VT,
- SDOperand N1, SDOperand N2) {
- ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1.Val);
- ConstantSDNode *N2C = dyn_cast<ConstantSDNode>(N2.Val);
+SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, MVT VT,
+ SDValue N1, SDValue N2) {
+ ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1.getNode());
+ ConstantSDNode *N2C = dyn_cast<ConstantSDNode>(N2.getNode());
switch (Opcode) {
default: break;
case ISD::TokenFactor:
// Fold trivial token factors.
if (N1.getOpcode() == ISD::EntryToken) return N2;
if (N2.getOpcode() == ISD::EntryToken) return N1;
+ if (N1 == N2) return N1;
+ break;
+ case ISD::CONCAT_VECTORS:
+ // A CONCAT_VECTOR with all operands BUILD_VECTOR can be simplified to
+ // one big BUILD_VECTOR.
+ if (N1.getOpcode() == ISD::BUILD_VECTOR &&
+ N2.getOpcode() == ISD::BUILD_VECTOR) {
+ SmallVector<SDValue, 16> Elts(N1.getNode()->op_begin(), N1.getNode()->op_end());
+ Elts.insert(Elts.end(), N2.getNode()->op_begin(), N2.getNode()->op_end());
+ return getNode(ISD::BUILD_VECTOR, VT, &Elts[0], Elts.size());
+ }
break;
case ISD::AND:
assert(VT.isInteger() && N1.getValueType() == N2.getValueType() &&
case ISD::UREM:
case ISD::MULHU:
case ISD::MULHS:
- assert(VT.isInteger() && "This operator does not apply to FP types!");
- // fall through
case ISD::MUL:
case ISD::SDIV:
case ISD::SREM:
+ assert(VT.isInteger() && "This operator does not apply to FP types!");
+ // fall through
case ISD::FADD:
case ISD::FSUB:
case ISD::FMUL:
case ISD::FDIV:
case ISD::FREM:
+ if (UnsafeFPMath) {
+ if (Opcode == ISD::FADD) {
+ // 0+x --> x
+ if (ConstantFPSDNode *CFP = dyn_cast<ConstantFPSDNode>(N1))
+ if (CFP->getValueAPF().isZero())
+ return N2;
+ // x+0 --> x
+ if (ConstantFPSDNode *CFP = dyn_cast<ConstantFPSDNode>(N2))
+ if (CFP->getValueAPF().isZero())
+ return N1;
+ } else if (Opcode == ISD::FSUB) {
+ // x-0 --> x
+ if (ConstantFPSDNode *CFP = dyn_cast<ConstantFPSDNode>(N2))
+ if (CFP->getValueAPF().isZero())
+ return N1;
+ }
+ }
assert(N1.getValueType() == N2.getValueType() &&
N1.getValueType() == VT && "Binary operator types must match!");
break;
break;
}
case ISD::EXTRACT_VECTOR_ELT:
- assert(N2C && "Bad EXTRACT_VECTOR_ELT!");
-
// EXTRACT_VECTOR_ELT of an UNDEF is an UNDEF.
if (N1.getOpcode() == ISD::UNDEF)
return getNode(ISD::UNDEF, VT);
// EXTRACT_VECTOR_ELT of CONCAT_VECTORS is often formed while lowering is
// expanding copies of large vectors from registers.
- if (N1.getOpcode() == ISD::CONCAT_VECTORS &&
+ if (N2C &&
+ N1.getOpcode() == ISD::CONCAT_VECTORS &&
N1.getNumOperands() > 0) {
unsigned Factor =
N1.getOperand(0).getValueType().getVectorNumElements();
return getNode(ISD::EXTRACT_VECTOR_ELT, VT,
- N1.getOperand(N2C->getValue() / Factor),
- getConstant(N2C->getValue() % Factor, N2.getValueType()));
+ N1.getOperand(N2C->getZExtValue() / Factor),
+ getConstant(N2C->getZExtValue() % Factor,
+ N2.getValueType()));
}
// EXTRACT_VECTOR_ELT of BUILD_VECTOR is often formed while lowering is
// expanding large vector constants.
- if (N1.getOpcode() == ISD::BUILD_VECTOR)
- return N1.getOperand(N2C->getValue());
+ if (N2C && N1.getOpcode() == ISD::BUILD_VECTOR)
+ return N1.getOperand(N2C->getZExtValue());
// EXTRACT_VECTOR_ELT of INSERT_VECTOR_ELT is often formed when vector
// operations are lowered to scalars.
- if (N1.getOpcode() == ISD::INSERT_VECTOR_ELT)
- if (ConstantSDNode *IEC = dyn_cast<ConstantSDNode>(N1.getOperand(2))) {
- if (IEC == N2C)
- return N1.getOperand(1);
- else
- return getNode(ISD::EXTRACT_VECTOR_ELT, VT, N1.getOperand(0), N2);
- }
+ if (N1.getOpcode() == ISD::INSERT_VECTOR_ELT) {
+ // If the indices are the same, return the inserted element.
+ if (N1.getOperand(2) == N2)
+ return N1.getOperand(1);
+ // If the indices are known different, extract the element from
+ // the original vector.
+ else if (isa<ConstantSDNode>(N1.getOperand(2)) &&
+ isa<ConstantSDNode>(N2))
+ return getNode(ISD::EXTRACT_VECTOR_ELT, VT, N1.getOperand(0), N2);
+ }
break;
case ISD::EXTRACT_ELEMENT:
- assert(N2C && (unsigned)N2C->getValue() < 2 && "Bad EXTRACT_ELEMENT!");
+ assert(N2C && (unsigned)N2C->getZExtValue() < 2 && "Bad EXTRACT_ELEMENT!");
assert(!N1.getValueType().isVector() && !VT.isVector() &&
(N1.getValueType().isInteger() == VT.isInteger()) &&
"Wrong types for EXTRACT_ELEMENT!");
// 64-bit integers into 32-bit parts. Instead of building the extract of
// the BUILD_PAIR, only to have legalize rip it apart, just do it now.
if (N1.getOpcode() == ISD::BUILD_PAIR)
- return N1.getOperand(N2C->getValue());
+ return N1.getOperand(N2C->getZExtValue());
// EXTRACT_ELEMENT of a constant int is also very common.
if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(N1)) {
unsigned ElementSize = VT.getSizeInBits();
- unsigned Shift = ElementSize * N2C->getValue();
+ unsigned Shift = ElementSize * N2C->getZExtValue();
APInt ShiftedVal = C->getAPIntValue().lshr(Shift);
return getConstant(ShiftedVal.trunc(ElementSize), VT);
}
if (N1C) {
if (N2C) {
- const APInt &C1 = N1C->getAPIntValue(), &C2 = N2C->getAPIntValue();
- switch (Opcode) {
- case ISD::ADD: return getConstant(C1 + C2, VT);
- case ISD::SUB: return getConstant(C1 - C2, VT);
- case ISD::MUL: return getConstant(C1 * C2, VT);
- case ISD::UDIV:
- if (C2.getBoolValue()) return getConstant(C1.udiv(C2), VT);
- break;
- case ISD::UREM :
- if (C2.getBoolValue()) return getConstant(C1.urem(C2), VT);
- break;
- case ISD::SDIV :
- if (C2.getBoolValue()) return getConstant(C1.sdiv(C2), VT);
- break;
- case ISD::SREM :
- if (C2.getBoolValue()) return getConstant(C1.srem(C2), VT);
- break;
- case ISD::AND : return getConstant(C1 & C2, VT);
- case ISD::OR : return getConstant(C1 | C2, VT);
- case ISD::XOR : return getConstant(C1 ^ C2, VT);
- case ISD::SHL : return getConstant(C1 << C2, VT);
- case ISD::SRL : return getConstant(C1.lshr(C2), VT);
- case ISD::SRA : return getConstant(C1.ashr(C2), VT);
- case ISD::ROTL : return getConstant(C1.rotl(C2), VT);
- case ISD::ROTR : return getConstant(C1.rotr(C2), VT);
- default: break;
- }
+ SDValue SV = FoldConstantArithmetic(Opcode, VT, N1C, N2C);
+ if (SV.getNode()) return SV;
} else { // Cannonicalize constant to RHS if commutative
if (isCommutativeBinOp(Opcode)) {
std::swap(N1C, N2C);
}
// Constant fold FP operations.
- ConstantFPSDNode *N1CFP = dyn_cast<ConstantFPSDNode>(N1.Val);
- ConstantFPSDNode *N2CFP = dyn_cast<ConstantFPSDNode>(N2.Val);
+ ConstantFPSDNode *N1CFP = dyn_cast<ConstantFPSDNode>(N1.getNode());
+ ConstantFPSDNode *N2CFP = dyn_cast<ConstantFPSDNode>(N2.getNode());
if (N1CFP) {
if (!N2CFP && isCommutativeBinOp(Opcode)) {
// Cannonicalize constant to RHS if commutative
SDNode *N;
SDVTList VTs = getVTList(VT);
if (VT != MVT::Flag) {
- SDOperand Ops[] = { N1, N2 };
+ SDValue Ops[] = { N1, N2 };
FoldingSetNodeID ID;
AddNodeIDNode(ID, Opcode, VTs, Ops, 2);
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- N = getAllocator().Allocate<BinarySDNode>();
- new (N) BinarySDNode(Opcode, VTs, N1, N2);
+ return SDValue(E, 0);
+ N = NodeAllocator.Allocate<BinarySDNode>();
+ new (N) BinarySDNode(Opcode, DL, VTs, N1, N2);
CSEMap.InsertNode(N, IP);
} else {
- N = getAllocator().Allocate<BinarySDNode>();
- new (N) BinarySDNode(Opcode, VTs, N1, N2);
+ N = NodeAllocator.Allocate<BinarySDNode>();
+ new (N) BinarySDNode(Opcode, DL, VTs, N1, N2);
}
AllNodes.push_back(N);
#ifndef NDEBUG
VerifyNode(N);
#endif
- return SDOperand(N, 0);
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getNode(unsigned Opcode, MVT VT,
- SDOperand N1, SDOperand N2, SDOperand N3) {
+SDValue SelectionDAG::getNode(unsigned Opcode, MVT VT,
+ SDValue N1, SDValue N2, SDValue N3) {
+ return getNode(Opcode, DebugLoc::getUnknownLoc(), VT, N1, N2, N3);
+}
+
+SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, MVT VT,
+ SDValue N1, SDValue N2, SDValue N3) {
// Perform various simplifications.
- ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1.Val);
- ConstantSDNode *N2C = dyn_cast<ConstantSDNode>(N2.Val);
+ ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1.getNode());
+ ConstantSDNode *N2C = dyn_cast<ConstantSDNode>(N2.getNode());
switch (Opcode) {
+ case ISD::CONCAT_VECTORS:
+ // A CONCAT_VECTOR with all operands BUILD_VECTOR can be simplified to
+ // one big BUILD_VECTOR.
+ if (N1.getOpcode() == ISD::BUILD_VECTOR &&
+ N2.getOpcode() == ISD::BUILD_VECTOR &&
+ N3.getOpcode() == ISD::BUILD_VECTOR) {
+ SmallVector<SDValue, 16> Elts(N1.getNode()->op_begin(), N1.getNode()->op_end());
+ Elts.insert(Elts.end(), N2.getNode()->op_begin(), N2.getNode()->op_end());
+ Elts.insert(Elts.end(), N3.getNode()->op_begin(), N3.getNode()->op_end());
+ return getNode(ISD::BUILD_VECTOR, VT, &Elts[0], Elts.size());
+ }
+ break;
case ISD::SETCC: {
// Use FoldSetCC to simplify SETCC's.
- SDOperand Simp = FoldSetCC(VT, N1, N2, cast<CondCodeSDNode>(N3)->get());
- if (Simp.Val) return Simp;
+ SDValue Simp = FoldSetCC(VT, N1, N2, cast<CondCodeSDNode>(N3)->get());
+ if (Simp.getNode()) return Simp;
break;
}
case ISD::SELECT:
if (N1C) {
- if (N1C->getValue())
+ if (N1C->getZExtValue())
return N2; // select true, X, Y -> X
else
return N3; // select false, X, Y -> Y
break;
case ISD::BRCOND:
if (N2C) {
- if (N2C->getValue()) // Unconditional branch
+ if (N2C->getZExtValue()) // Unconditional branch
return getNode(ISD::BR, MVT::Other, N1, N3);
else
return N1; // Never-taken branch
}
break;
case ISD::VECTOR_SHUFFLE:
- assert(VT == N1.getValueType() && VT == N2.getValueType() &&
+ assert(N1.getValueType() == N2.getValueType() &&
+ N1.getValueType().isVector() &&
VT.isVector() && N3.getValueType().isVector() &&
N3.getOpcode() == ISD::BUILD_VECTOR &&
VT.getVectorNumElements() == N3.getNumOperands() &&
SDNode *N;
SDVTList VTs = getVTList(VT);
if (VT != MVT::Flag) {
- SDOperand Ops[] = { N1, N2, N3 };
+ SDValue Ops[] = { N1, N2, N3 };
FoldingSetNodeID ID;
AddNodeIDNode(ID, Opcode, VTs, Ops, 3);
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- N = getAllocator().Allocate<TernarySDNode>();
- new (N) TernarySDNode(Opcode, VTs, N1, N2, N3);
+ return SDValue(E, 0);
+ N = NodeAllocator.Allocate<TernarySDNode>();
+ new (N) TernarySDNode(Opcode, DL, VTs, N1, N2, N3);
CSEMap.InsertNode(N, IP);
} else {
- N = getAllocator().Allocate<TernarySDNode>();
- new (N) TernarySDNode(Opcode, VTs, N1, N2, N3);
+ N = NodeAllocator.Allocate<TernarySDNode>();
+ new (N) TernarySDNode(Opcode, DL, VTs, N1, N2, N3);
}
AllNodes.push_back(N);
#ifndef NDEBUG
VerifyNode(N);
#endif
- return SDOperand(N, 0);
+ return SDValue(N, 0);
+}
+
+SDValue SelectionDAG::getNode(unsigned Opcode, MVT VT,
+ SDValue N1, SDValue N2, SDValue N3,
+ SDValue N4) {
+ return getNode(Opcode, DebugLoc::getUnknownLoc(), VT, N1, N2, N3, N4);
+}
+
+SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, MVT VT,
+ SDValue N1, SDValue N2, SDValue N3,
+ SDValue N4) {
+ SDValue Ops[] = { N1, N2, N3, N4 };
+ return getNode(Opcode, DL, VT, Ops, 4);
}
-SDOperand SelectionDAG::getNode(unsigned Opcode, MVT VT,
- SDOperand N1, SDOperand N2, SDOperand N3,
- SDOperand N4) {
- SDOperand Ops[] = { N1, N2, N3, N4 };
- return getNode(Opcode, VT, Ops, 4);
+SDValue SelectionDAG::getNode(unsigned Opcode, MVT VT,
+ SDValue N1, SDValue N2, SDValue N3,
+ SDValue N4, SDValue N5) {
+ return getNode(Opcode, DebugLoc::getUnknownLoc(), VT, N1, N2, N3, N4, N5);
}
-SDOperand SelectionDAG::getNode(unsigned Opcode, MVT VT,
- SDOperand N1, SDOperand N2, SDOperand N3,
- SDOperand N4, SDOperand N5) {
- SDOperand Ops[] = { N1, N2, N3, N4, N5 };
- return getNode(Opcode, VT, Ops, 5);
+SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, MVT VT,
+ SDValue N1, SDValue N2, SDValue N3,
+ SDValue N4, SDValue N5) {
+ SDValue Ops[] = { N1, N2, N3, N4, N5 };
+ return getNode(Opcode, DL, VT, Ops, 5);
}
/// getMemsetValue - Vectorized representation of the memset value
/// operand.
-static SDOperand getMemsetValue(SDOperand Value, MVT VT, SelectionDAG &DAG) {
+static SDValue getMemsetValue(SDValue Value, MVT VT, SelectionDAG &DAG) {
unsigned NumBits = VT.isVector() ?
VT.getVectorElementType().getSizeInBits() : VT.getSizeInBits();
if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Value)) {
- APInt Val = APInt(NumBits, C->getValue() & 255);
+ APInt Val = APInt(NumBits, C->getZExtValue() & 255);
unsigned Shift = 8;
for (unsigned i = NumBits; i > 8; i >>= 1) {
Val = (Val << Shift) | Val;
return DAG.getConstantFP(APFloat(Val), VT);
}
+ const TargetLowering &TLI = DAG.getTargetLoweringInfo();
Value = DAG.getNode(ISD::ZERO_EXTEND, VT, Value);
unsigned Shift = 8;
for (unsigned i = NumBits; i > 8; i >>= 1) {
Value = DAG.getNode(ISD::OR, VT,
DAG.getNode(ISD::SHL, VT, Value,
- DAG.getConstant(Shift, MVT::i8)), Value);
+ DAG.getConstant(Shift,
+ TLI.getShiftAmountTy())),
+ Value);
Shift <<= 1;
}
/// getMemsetStringVal - Similar to getMemsetValue. Except this is only
/// used when a memcpy is turned into a memset when the source is a constant
/// string ptr.
-static SDOperand getMemsetStringVal(MVT VT, SelectionDAG &DAG,
+static SDValue getMemsetStringVal(MVT VT, SelectionDAG &DAG,
const TargetLowering &TLI,
std::string &Str, unsigned Offset) {
// Handle vector with all elements zero.
/// getMemBasePlusOffset - Returns base and offset node for the
///
-static SDOperand getMemBasePlusOffset(SDOperand Base, unsigned Offset,
+static SDValue getMemBasePlusOffset(SDValue Base, unsigned Offset,
SelectionDAG &DAG) {
MVT VT = Base.getValueType();
return DAG.getNode(ISD::ADD, VT, Base, DAG.getConstant(Offset, VT));
/// isMemSrcFromString - Returns true if memcpy source is a string constant.
///
-static bool isMemSrcFromString(SDOperand Src, std::string &Str) {
+static bool isMemSrcFromString(SDValue Src, std::string &Str) {
unsigned SrcDelta = 0;
GlobalAddressSDNode *G = NULL;
if (Src.getOpcode() == ISD::GlobalAddress)
Src.getOperand(0).getOpcode() == ISD::GlobalAddress &&
Src.getOperand(1).getOpcode() == ISD::Constant) {
G = cast<GlobalAddressSDNode>(Src.getOperand(0));
- SrcDelta = cast<ConstantSDNode>(Src.getOperand(1))->getValue();
+ SrcDelta = cast<ConstantSDNode>(Src.getOperand(1))->getZExtValue();
}
if (!G)
return false;
/// types of the sequence of memory ops to perform memset / memcpy.
static
bool MeetsMaxMemopRequirement(std::vector<MVT> &MemOps,
- SDOperand Dst, SDOperand Src,
+ SDValue Dst, SDValue Src,
unsigned Limit, uint64_t Size, unsigned &Align,
std::string &Str, bool &isSrcStr,
SelectionDAG &DAG,
isSrcStr = isMemSrcFromString(Src, Str);
bool isSrcConst = isa<ConstantSDNode>(Src);
bool AllowUnalign = TLI.allowsUnalignedMemoryAccesses();
- MVT VT= TLI.getOptimalMemOpType(Size, Align, isSrcConst, isSrcStr);
+ MVT VT = TLI.getOptimalMemOpType(Size, Align, isSrcConst, isSrcStr);
if (VT != MVT::iAny) {
unsigned NewAlign = (unsigned)
TLI.getTargetData()->getABITypeAlignment(VT.getTypeForMVT());
return true;
}
-static SDOperand getMemcpyLoadsAndStores(SelectionDAG &DAG,
- SDOperand Chain, SDOperand Dst,
- SDOperand Src, uint64_t Size,
+static SDValue getMemcpyLoadsAndStores(SelectionDAG &DAG,
+ SDValue Chain, SDValue Dst,
+ SDValue Src, uint64_t Size,
unsigned Align, bool AlwaysInline,
const Value *DstSV, uint64_t DstSVOff,
const Value *SrcSV, uint64_t SrcSVOff){
// Expand memcpy to a series of load and store ops if the size operand falls
// below a certain threshold.
std::vector<MVT> MemOps;
- uint64_t Limit = -1;
+ uint64_t Limit = -1ULL;
if (!AlwaysInline)
Limit = TLI.getMaxStoresPerMemcpy();
unsigned DstAlign = Align; // Destination alignment can change.
bool CopyFromStr;
if (!MeetsMaxMemopRequirement(MemOps, Dst, Src, Limit, Size, DstAlign,
Str, CopyFromStr, DAG, TLI))
- return SDOperand();
+ return SDValue();
bool isZeroStr = CopyFromStr && Str.empty();
- SmallVector<SDOperand, 8> OutChains;
+ SmallVector<SDValue, 8> OutChains;
unsigned NumMemOps = MemOps.size();
uint64_t SrcOff = 0, DstOff = 0;
for (unsigned i = 0; i < NumMemOps; i++) {
MVT VT = MemOps[i];
unsigned VTSize = VT.getSizeInBits() / 8;
- SDOperand Value, Store;
+ SDValue Value, Store;
if (CopyFromStr && (isZeroStr || !VT.isVector())) {
// It's unlikely a store of a vector immediate can be done in a single
&OutChains[0], OutChains.size());
}
-static SDOperand getMemmoveLoadsAndStores(SelectionDAG &DAG,
- SDOperand Chain, SDOperand Dst,
- SDOperand Src, uint64_t Size,
+static SDValue getMemmoveLoadsAndStores(SelectionDAG &DAG,
+ SDValue Chain, SDValue Dst,
+ SDValue Src, uint64_t Size,
unsigned Align, bool AlwaysInline,
const Value *DstSV, uint64_t DstSVOff,
const Value *SrcSV, uint64_t SrcSVOff){
// Expand memmove to a series of load and store ops if the size operand falls
// below a certain threshold.
std::vector<MVT> MemOps;
- uint64_t Limit = -1;
+ uint64_t Limit = -1ULL;
if (!AlwaysInline)
Limit = TLI.getMaxStoresPerMemmove();
unsigned DstAlign = Align; // Destination alignment can change.
bool CopyFromStr;
if (!MeetsMaxMemopRequirement(MemOps, Dst, Src, Limit, Size, DstAlign,
Str, CopyFromStr, DAG, TLI))
- return SDOperand();
+ return SDValue();
uint64_t SrcOff = 0, DstOff = 0;
- SmallVector<SDOperand, 8> LoadValues;
- SmallVector<SDOperand, 8> LoadChains;
- SmallVector<SDOperand, 8> OutChains;
+ SmallVector<SDValue, 8> LoadValues;
+ SmallVector<SDValue, 8> LoadChains;
+ SmallVector<SDValue, 8> OutChains;
unsigned NumMemOps = MemOps.size();
for (unsigned i = 0; i < NumMemOps; i++) {
MVT VT = MemOps[i];
unsigned VTSize = VT.getSizeInBits() / 8;
- SDOperand Value, Store;
+ SDValue Value, Store;
Value = DAG.getLoad(VT, Chain,
getMemBasePlusOffset(Src, SrcOff, DAG),
for (unsigned i = 0; i < NumMemOps; i++) {
MVT VT = MemOps[i];
unsigned VTSize = VT.getSizeInBits() / 8;
- SDOperand Value, Store;
+ SDValue Value, Store;
Store = DAG.getStore(Chain, LoadValues[i],
getMemBasePlusOffset(Dst, DstOff, DAG),
&OutChains[0], OutChains.size());
}
-static SDOperand getMemsetStores(SelectionDAG &DAG,
- SDOperand Chain, SDOperand Dst,
- SDOperand Src, uint64_t Size,
+static SDValue getMemsetStores(SelectionDAG &DAG,
+ SDValue Chain, SDValue Dst,
+ SDValue Src, uint64_t Size,
unsigned Align,
const Value *DstSV, uint64_t DstSVOff) {
const TargetLowering &TLI = DAG.getTargetLoweringInfo();
bool CopyFromStr;
if (!MeetsMaxMemopRequirement(MemOps, Dst, Src, TLI.getMaxStoresPerMemset(),
Size, Align, Str, CopyFromStr, DAG, TLI))
- return SDOperand();
+ return SDValue();
- SmallVector<SDOperand, 8> OutChains;
+ SmallVector<SDValue, 8> OutChains;
uint64_t DstOff = 0;
unsigned NumMemOps = MemOps.size();
for (unsigned i = 0; i < NumMemOps; i++) {
MVT VT = MemOps[i];
unsigned VTSize = VT.getSizeInBits() / 8;
- SDOperand Value = getMemsetValue(Src, VT, DAG);
- SDOperand Store = DAG.getStore(Chain, Value,
- getMemBasePlusOffset(Dst, DstOff, DAG),
- DstSV, DstSVOff + DstOff);
+ SDValue Value = getMemsetValue(Src, VT, DAG);
+ SDValue Store = DAG.getStore(Chain, Value,
+ getMemBasePlusOffset(Dst, DstOff, DAG),
+ DstSV, DstSVOff + DstOff);
OutChains.push_back(Store);
DstOff += VTSize;
}
&OutChains[0], OutChains.size());
}
-SDOperand SelectionDAG::getMemcpy(SDOperand Chain, SDOperand Dst,
- SDOperand Src, SDOperand Size,
- unsigned Align, bool AlwaysInline,
- const Value *DstSV, uint64_t DstSVOff,
- const Value *SrcSV, uint64_t SrcSVOff) {
+SDValue SelectionDAG::getMemcpy(SDValue Chain, SDValue Dst,
+ SDValue Src, SDValue Size,
+ unsigned Align, bool AlwaysInline,
+ const Value *DstSV, uint64_t DstSVOff,
+ const Value *SrcSV, uint64_t SrcSVOff) {
// Check to see if we should lower the memcpy to loads and stores first.
// For cases within the target-specified limits, this is the best choice.
if (ConstantSize->isNullValue())
return Chain;
- SDOperand Result =
- getMemcpyLoadsAndStores(*this, Chain, Dst, Src, ConstantSize->getValue(),
+ SDValue Result =
+ getMemcpyLoadsAndStores(*this, Chain, Dst, Src,
+ ConstantSize->getZExtValue(),
Align, false, DstSV, DstSVOff, SrcSV, SrcSVOff);
- if (Result.Val)
+ if (Result.getNode())
return Result;
}
// Then check to see if we should lower the memcpy with target-specific
// code. If the target chooses to do this, this is the next best.
- SDOperand Result =
+ SDValue Result =
TLI.EmitTargetCodeForMemcpy(*this, Chain, Dst, Src, Size, Align,
AlwaysInline,
DstSV, DstSVOff, SrcSV, SrcSVOff);
- if (Result.Val)
+ if (Result.getNode())
return Result;
// If we really need inline code and the target declined to provide it,
if (AlwaysInline) {
assert(ConstantSize && "AlwaysInline requires a constant size!");
return getMemcpyLoadsAndStores(*this, Chain, Dst, Src,
- ConstantSize->getValue(), Align, true,
+ ConstantSize->getZExtValue(), Align, true,
DstSV, DstSVOff, SrcSV, SrcSVOff);
}
Entry.Node = Dst; Args.push_back(Entry);
Entry.Node = Src; Args.push_back(Entry);
Entry.Node = Size; Args.push_back(Entry);
- std::pair<SDOperand,SDOperand> CallResult =
+ // FIXME: pass in DebugLoc
+ std::pair<SDValue,SDValue> CallResult =
TLI.LowerCallTo(Chain, Type::VoidTy,
- false, false, false, CallingConv::C, false,
+ false, false, false, false, CallingConv::C, false,
getExternalSymbol("memcpy", TLI.getPointerTy()),
- Args, *this);
+ Args, *this, DebugLoc::getUnknownLoc());
return CallResult.second;
}
-SDOperand SelectionDAG::getMemmove(SDOperand Chain, SDOperand Dst,
- SDOperand Src, SDOperand Size,
- unsigned Align,
- const Value *DstSV, uint64_t DstSVOff,
- const Value *SrcSV, uint64_t SrcSVOff) {
+SDValue SelectionDAG::getMemmove(SDValue Chain, SDValue Dst,
+ SDValue Src, SDValue Size,
+ unsigned Align,
+ const Value *DstSV, uint64_t DstSVOff,
+ const Value *SrcSV, uint64_t SrcSVOff) {
// Check to see if we should lower the memmove to loads and stores first.
// For cases within the target-specified limits, this is the best choice.
if (ConstantSize->isNullValue())
return Chain;
- SDOperand Result =
- getMemmoveLoadsAndStores(*this, Chain, Dst, Src, ConstantSize->getValue(),
+ SDValue Result =
+ getMemmoveLoadsAndStores(*this, Chain, Dst, Src,
+ ConstantSize->getZExtValue(),
Align, false, DstSV, DstSVOff, SrcSV, SrcSVOff);
- if (Result.Val)
+ if (Result.getNode())
return Result;
}
// Then check to see if we should lower the memmove with target-specific
// code. If the target chooses to do this, this is the next best.
- SDOperand Result =
+ SDValue Result =
TLI.EmitTargetCodeForMemmove(*this, Chain, Dst, Src, Size, Align,
DstSV, DstSVOff, SrcSV, SrcSVOff);
- if (Result.Val)
+ if (Result.getNode())
return Result;
// Emit a library call.
Entry.Node = Dst; Args.push_back(Entry);
Entry.Node = Src; Args.push_back(Entry);
Entry.Node = Size; Args.push_back(Entry);
- std::pair<SDOperand,SDOperand> CallResult =
+ // FIXME: pass in DebugLoc
+ std::pair<SDValue,SDValue> CallResult =
TLI.LowerCallTo(Chain, Type::VoidTy,
- false, false, false, CallingConv::C, false,
+ false, false, false, false, CallingConv::C, false,
getExternalSymbol("memmove", TLI.getPointerTy()),
- Args, *this);
+ Args, *this, DebugLoc::getUnknownLoc());
return CallResult.second;
}
-SDOperand SelectionDAG::getMemset(SDOperand Chain, SDOperand Dst,
- SDOperand Src, SDOperand Size,
- unsigned Align,
- const Value *DstSV, uint64_t DstSVOff) {
+SDValue SelectionDAG::getMemset(SDValue Chain, SDValue Dst,
+ SDValue Src, SDValue Size,
+ unsigned Align,
+ const Value *DstSV, uint64_t DstSVOff) {
// Check to see if we should lower the memset to stores first.
// For cases within the target-specified limits, this is the best choice.
if (ConstantSize->isNullValue())
return Chain;
- SDOperand Result =
- getMemsetStores(*this, Chain, Dst, Src, ConstantSize->getValue(), Align,
- DstSV, DstSVOff);
- if (Result.Val)
+ SDValue Result =
+ getMemsetStores(*this, Chain, Dst, Src, ConstantSize->getZExtValue(),
+ Align, DstSV, DstSVOff);
+ if (Result.getNode())
return Result;
}
// Then check to see if we should lower the memset with target-specific
// code. If the target chooses to do this, this is the next best.
- SDOperand Result =
+ SDValue Result =
TLI.EmitTargetCodeForMemset(*this, Chain, Dst, Src, Size, Align,
DstSV, DstSVOff);
- if (Result.Val)
+ if (Result.getNode())
return Result;
// Emit a library call.
Args.push_back(Entry);
Entry.Node = Size; Entry.Ty = IntPtrTy; Entry.isSExt = false;
Args.push_back(Entry);
- std::pair<SDOperand,SDOperand> CallResult =
+ // FIXME: pass in DebugLoc
+ std::pair<SDValue,SDValue> CallResult =
TLI.LowerCallTo(Chain, Type::VoidTy,
- false, false, false, CallingConv::C, false,
+ false, false, false, false, CallingConv::C, false,
getExternalSymbol("memset", TLI.getPointerTy()),
- Args, *this);
+ Args, *this, DebugLoc::getUnknownLoc());
return CallResult.second;
}
-SDOperand SelectionDAG::getAtomic(unsigned Opcode, SDOperand Chain,
- SDOperand Ptr, SDOperand Cmp,
- SDOperand Swp, const Value* PtrVal,
- unsigned Alignment) {
+SDValue SelectionDAG::getAtomic(unsigned Opcode, MVT MemVT,
+ SDValue Chain,
+ SDValue Ptr, SDValue Cmp,
+ SDValue Swp, const Value* PtrVal,
+ unsigned Alignment) {
assert(Opcode == ISD::ATOMIC_CMP_SWAP && "Invalid Atomic Op");
assert(Cmp.getValueType() == Swp.getValueType() && "Invalid Atomic Op Types");
MVT VT = Cmp.getValueType();
if (Alignment == 0) // Ensure that codegen never sees alignment 0
- Alignment = getMVTAlignment(VT);
+ Alignment = getMVTAlignment(MemVT);
SDVTList VTs = getVTList(VT, MVT::Other);
FoldingSetNodeID ID;
- SDOperand Ops[] = {Chain, Ptr, Cmp, Swp};
+ SDValue Ops[] = {Chain, Ptr, Cmp, Swp};
AddNodeIDNode(ID, Opcode, VTs, Ops, 4);
void* IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- SDNode* N = getAllocator().Allocate<AtomicSDNode>();
- new (N) AtomicSDNode(Opcode, VTs, Chain, Ptr, Cmp, Swp, PtrVal, Alignment);
+ return SDValue(E, 0);
+ SDNode* N = NodeAllocator.Allocate<AtomicSDNode>();
+ new (N) AtomicSDNode(Opcode, VTs, MemVT,
+ Chain, Ptr, Cmp, Swp, PtrVal, Alignment);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getAtomic(unsigned Opcode, SDOperand Chain,
- SDOperand Ptr, SDOperand Val,
- const Value* PtrVal,
- unsigned Alignment) {
- assert(( Opcode == ISD::ATOMIC_LOAD_ADD || Opcode == ISD::ATOMIC_LOAD_SUB
- || Opcode == ISD::ATOMIC_SWAP || Opcode == ISD::ATOMIC_LOAD_AND
- || Opcode == ISD::ATOMIC_LOAD_OR || Opcode == ISD::ATOMIC_LOAD_XOR
- || Opcode == ISD::ATOMIC_LOAD_NAND
- || Opcode == ISD::ATOMIC_LOAD_MIN || Opcode == ISD::ATOMIC_LOAD_MAX
- || Opcode == ISD::ATOMIC_LOAD_UMIN || Opcode == ISD::ATOMIC_LOAD_UMAX)
- && "Invalid Atomic Op");
+SDValue SelectionDAG::getAtomic(unsigned Opcode, DebugLoc dl, MVT MemVT,
+ SDValue Chain,
+ SDValue Ptr, SDValue Cmp,
+ SDValue Swp, const Value* PtrVal,
+ unsigned Alignment) {
+ assert(Opcode == ISD::ATOMIC_CMP_SWAP && "Invalid Atomic Op");
+ assert(Cmp.getValueType() == Swp.getValueType() && "Invalid Atomic Op Types");
+
+ MVT VT = Cmp.getValueType();
+
+ if (Alignment == 0) // Ensure that codegen never sees alignment 0
+ Alignment = getMVTAlignment(MemVT);
+
+ SDVTList VTs = getVTList(VT, MVT::Other);
+ FoldingSetNodeID ID;
+ SDValue Ops[] = {Chain, Ptr, Cmp, Swp};
+ AddNodeIDNode(ID, Opcode, VTs, Ops, 4);
+ void* IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return SDValue(E, 0);
+ SDNode* N = NodeAllocator.Allocate<AtomicSDNode>();
+ new (N) AtomicSDNode(Opcode, dl, VTs, MemVT,
+ Chain, Ptr, Cmp, Swp, PtrVal, Alignment);
+ CSEMap.InsertNode(N, IP);
+ AllNodes.push_back(N);
+ return SDValue(N, 0);
+}
+
+SDValue SelectionDAG::getAtomic(unsigned Opcode, MVT MemVT,
+ SDValue Chain,
+ SDValue Ptr, SDValue Val,
+ const Value* PtrVal,
+ unsigned Alignment) {
+ assert((Opcode == ISD::ATOMIC_LOAD_ADD ||
+ Opcode == ISD::ATOMIC_LOAD_SUB ||
+ Opcode == ISD::ATOMIC_LOAD_AND ||
+ Opcode == ISD::ATOMIC_LOAD_OR ||
+ Opcode == ISD::ATOMIC_LOAD_XOR ||
+ Opcode == ISD::ATOMIC_LOAD_NAND ||
+ Opcode == ISD::ATOMIC_LOAD_MIN ||
+ Opcode == ISD::ATOMIC_LOAD_MAX ||
+ Opcode == ISD::ATOMIC_LOAD_UMIN ||
+ Opcode == ISD::ATOMIC_LOAD_UMAX ||
+ Opcode == ISD::ATOMIC_SWAP) &&
+ "Invalid Atomic Op");
MVT VT = Val.getValueType();
if (Alignment == 0) // Ensure that codegen never sees alignment 0
- Alignment = getMVTAlignment(VT);
+ Alignment = getMVTAlignment(MemVT);
+
+ SDVTList VTs = getVTList(VT, MVT::Other);
+ FoldingSetNodeID ID;
+ SDValue Ops[] = {Chain, Ptr, Val};
+ AddNodeIDNode(ID, Opcode, VTs, Ops, 3);
+ void* IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return SDValue(E, 0);
+ SDNode* N = NodeAllocator.Allocate<AtomicSDNode>();
+ new (N) AtomicSDNode(Opcode, VTs, MemVT,
+ Chain, Ptr, Val, PtrVal, Alignment);
+ CSEMap.InsertNode(N, IP);
+ AllNodes.push_back(N);
+ return SDValue(N, 0);
+}
+
+SDValue SelectionDAG::getAtomic(unsigned Opcode, DebugLoc dl, MVT MemVT,
+ SDValue Chain,
+ SDValue Ptr, SDValue Val,
+ const Value* PtrVal,
+ unsigned Alignment) {
+ assert((Opcode == ISD::ATOMIC_LOAD_ADD ||
+ Opcode == ISD::ATOMIC_LOAD_SUB ||
+ Opcode == ISD::ATOMIC_LOAD_AND ||
+ Opcode == ISD::ATOMIC_LOAD_OR ||
+ Opcode == ISD::ATOMIC_LOAD_XOR ||
+ Opcode == ISD::ATOMIC_LOAD_NAND ||
+ Opcode == ISD::ATOMIC_LOAD_MIN ||
+ Opcode == ISD::ATOMIC_LOAD_MAX ||
+ Opcode == ISD::ATOMIC_LOAD_UMIN ||
+ Opcode == ISD::ATOMIC_LOAD_UMAX ||
+ Opcode == ISD::ATOMIC_SWAP) &&
+ "Invalid Atomic Op");
+
+ MVT VT = Val.getValueType();
+
+ if (Alignment == 0) // Ensure that codegen never sees alignment 0
+ Alignment = getMVTAlignment(MemVT);
SDVTList VTs = getVTList(VT, MVT::Other);
FoldingSetNodeID ID;
- SDOperand Ops[] = {Chain, Ptr, Val};
+ SDValue Ops[] = {Chain, Ptr, Val};
AddNodeIDNode(ID, Opcode, VTs, Ops, 3);
void* IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- SDNode* N = getAllocator().Allocate<AtomicSDNode>();
- new (N) AtomicSDNode(Opcode, VTs, Chain, Ptr, Val, PtrVal, Alignment);
+ return SDValue(E, 0);
+ SDNode* N = NodeAllocator.Allocate<AtomicSDNode>();
+ new (N) AtomicSDNode(Opcode, dl, VTs, MemVT,
+ Chain, Ptr, Val, PtrVal, Alignment);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
}
/// getMergeValues - Create a MERGE_VALUES node from the given operands.
/// Allowed to return something different (and simpler) if Simplify is true.
-SDOperand SelectionDAG::getMergeValues(const SDOperand *Ops, unsigned NumOps,
- bool Simplify) {
- if (Simplify && NumOps == 1)
+SDValue SelectionDAG::getMergeValues(const SDValue *Ops, unsigned NumOps) {
+ if (NumOps == 1)
return Ops[0];
SmallVector<MVT, 4> VTs;
return getNode(ISD::MERGE_VALUES, getVTList(&VTs[0], NumOps), Ops, NumOps);
}
-SDOperand
+SDValue
+SelectionDAG::getMemIntrinsicNode(unsigned Opcode,
+ const MVT *VTs, unsigned NumVTs,
+ const SDValue *Ops, unsigned NumOps,
+ MVT MemVT, const Value *srcValue, int SVOff,
+ unsigned Align, bool Vol,
+ bool ReadMem, bool WriteMem) {
+ return getMemIntrinsicNode(Opcode, makeVTList(VTs, NumVTs), Ops, NumOps,
+ MemVT, srcValue, SVOff, Align, Vol,
+ ReadMem, WriteMem);
+}
+
+SDValue
+SelectionDAG::getMemIntrinsicNode(unsigned Opcode, DebugLoc dl,
+ const MVT *VTs, unsigned NumVTs,
+ const SDValue *Ops, unsigned NumOps,
+ MVT MemVT, const Value *srcValue, int SVOff,
+ unsigned Align, bool Vol,
+ bool ReadMem, bool WriteMem) {
+ return getMemIntrinsicNode(Opcode, dl, makeVTList(VTs, NumVTs), Ops, NumOps,
+ MemVT, srcValue, SVOff, Align, Vol,
+ ReadMem, WriteMem);
+}
+
+SDValue
+SelectionDAG::getMemIntrinsicNode(unsigned Opcode, SDVTList VTList,
+ const SDValue *Ops, unsigned NumOps,
+ MVT MemVT, const Value *srcValue, int SVOff,
+ unsigned Align, bool Vol,
+ bool ReadMem, bool WriteMem) {
+ // Memoize the node unless it returns a flag.
+ MemIntrinsicSDNode *N;
+ if (VTList.VTs[VTList.NumVTs-1] != MVT::Flag) {
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, Opcode, VTList, Ops, NumOps);
+ void *IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return SDValue(E, 0);
+
+ N = NodeAllocator.Allocate<MemIntrinsicSDNode>();
+ new (N) MemIntrinsicSDNode(Opcode, VTList, Ops, NumOps, MemVT,
+ srcValue, SVOff, Align, Vol, ReadMem, WriteMem);
+ CSEMap.InsertNode(N, IP);
+ } else {
+ N = NodeAllocator.Allocate<MemIntrinsicSDNode>();
+ new (N) MemIntrinsicSDNode(Opcode, VTList, Ops, NumOps, MemVT,
+ srcValue, SVOff, Align, Vol, ReadMem, WriteMem);
+ }
+ AllNodes.push_back(N);
+ return SDValue(N, 0);
+}
+
+SDValue
+SelectionDAG::getMemIntrinsicNode(unsigned Opcode, DebugLoc dl, SDVTList VTList,
+ const SDValue *Ops, unsigned NumOps,
+ MVT MemVT, const Value *srcValue, int SVOff,
+ unsigned Align, bool Vol,
+ bool ReadMem, bool WriteMem) {
+ // Memoize the node unless it returns a flag.
+ MemIntrinsicSDNode *N;
+ if (VTList.VTs[VTList.NumVTs-1] != MVT::Flag) {
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, Opcode, VTList, Ops, NumOps);
+ void *IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return SDValue(E, 0);
+
+ N = NodeAllocator.Allocate<MemIntrinsicSDNode>();
+ new (N) MemIntrinsicSDNode(Opcode, dl, VTList, Ops, NumOps, MemVT,
+ srcValue, SVOff, Align, Vol, ReadMem, WriteMem);
+ CSEMap.InsertNode(N, IP);
+ } else {
+ N = NodeAllocator.Allocate<MemIntrinsicSDNode>();
+ new (N) MemIntrinsicSDNode(Opcode, dl, VTList, Ops, NumOps, MemVT,
+ srcValue, SVOff, Align, Vol, ReadMem, WriteMem);
+ }
+ AllNodes.push_back(N);
+ return SDValue(N, 0);
+}
+
+SDValue
+SelectionDAG::getCall(unsigned CallingConv, bool IsVarArgs, bool IsTailCall,
+ bool IsInreg, SDVTList VTs,
+ const SDValue *Operands, unsigned NumOperands) {
+ // Do not include isTailCall in the folding set profile.
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, ISD::CALL, VTs, Operands, NumOperands);
+ ID.AddInteger(CallingConv);
+ ID.AddInteger(IsVarArgs);
+ void *IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP)) {
+ // Instead of including isTailCall in the folding set, we just
+ // set the flag of the existing node.
+ if (!IsTailCall)
+ cast<CallSDNode>(E)->setNotTailCall();
+ return SDValue(E, 0);
+ }
+ SDNode *N = NodeAllocator.Allocate<CallSDNode>();
+ new (N) CallSDNode(CallingConv, IsVarArgs, IsTailCall, IsInreg,
+ VTs, Operands, NumOperands);
+ CSEMap.InsertNode(N, IP);
+ AllNodes.push_back(N);
+ return SDValue(N, 0);
+}
+
+SDValue
+SelectionDAG::getCall(unsigned CallingConv, DebugLoc dl, bool IsVarArgs,
+ bool IsTailCall, bool IsInreg, SDVTList VTs,
+ const SDValue *Operands, unsigned NumOperands) {
+ // Do not include isTailCall in the folding set profile.
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, ISD::CALL, VTs, Operands, NumOperands);
+ ID.AddInteger(CallingConv);
+ ID.AddInteger(IsVarArgs);
+ void *IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP)) {
+ // Instead of including isTailCall in the folding set, we just
+ // set the flag of the existing node.
+ if (!IsTailCall)
+ cast<CallSDNode>(E)->setNotTailCall();
+ return SDValue(E, 0);
+ }
+ SDNode *N = NodeAllocator.Allocate<CallSDNode>();
+ new (N) CallSDNode(CallingConv, dl, IsVarArgs, IsTailCall, IsInreg,
+ VTs, Operands, NumOperands);
+ CSEMap.InsertNode(N, IP);
+ AllNodes.push_back(N);
+ return SDValue(N, 0);
+}
+
+SDValue
SelectionDAG::getLoad(ISD::MemIndexedMode AM, ISD::LoadExtType ExtType,
- MVT VT, SDOperand Chain,
- SDOperand Ptr, SDOperand Offset,
+ MVT VT, SDValue Chain,
+ SDValue Ptr, SDValue Offset,
const Value *SV, int SVOffset, MVT EVT,
bool isVolatile, unsigned Alignment) {
if (Alignment == 0) // Ensure that codegen never sees alignment 0
} else {
// Extending load.
if (VT.isVector())
- assert(EVT == VT.getVectorElementType() && "Invalid vector extload!");
+ assert(EVT.getVectorNumElements() == VT.getVectorNumElements() &&
+ "Invalid vector extload!");
else
assert(EVT.bitsLT(VT) &&
"Should only be an extending load, not truncating!");
SDVTList VTs = Indexed ?
getVTList(VT, Ptr.getValueType(), MVT::Other) : getVTList(VT, MVT::Other);
- SDOperand Ops[] = { Chain, Ptr, Offset };
+ SDValue Ops[] = { Chain, Ptr, Offset };
FoldingSetNodeID ID;
AddNodeIDNode(ID, ISD::LOAD, VTs, Ops, 3);
ID.AddInteger(AM);
ID.AddInteger(ExtType);
ID.AddInteger(EVT.getRawBits());
- ID.AddInteger(Alignment);
- ID.AddInteger(isVolatile);
+ ID.AddInteger(encodeMemSDNodeFlags(isVolatile, Alignment));
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- SDNode *N = getAllocator().Allocate<LoadSDNode>();
+ return SDValue(E, 0);
+ SDNode *N = NodeAllocator.Allocate<LoadSDNode>();
new (N) LoadSDNode(Ops, VTs, AM, ExtType, EVT, SV, SVOffset,
Alignment, isVolatile);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
+}
+
+SDValue
+SelectionDAG::getLoad(ISD::MemIndexedMode AM, DebugLoc dl,
+ ISD::LoadExtType ExtType, MVT VT, SDValue Chain,
+ SDValue Ptr, SDValue Offset,
+ const Value *SV, int SVOffset, MVT EVT,
+ bool isVolatile, unsigned Alignment) {
+ if (Alignment == 0) // Ensure that codegen never sees alignment 0
+ Alignment = getMVTAlignment(VT);
+
+ if (VT == EVT) {
+ ExtType = ISD::NON_EXTLOAD;
+ } else if (ExtType == ISD::NON_EXTLOAD) {
+ assert(VT == EVT && "Non-extending load from different memory type!");
+ } else {
+ // Extending load.
+ if (VT.isVector())
+ assert(EVT.getVectorNumElements() == VT.getVectorNumElements() &&
+ "Invalid vector extload!");
+ else
+ assert(EVT.bitsLT(VT) &&
+ "Should only be an extending load, not truncating!");
+ assert((ExtType == ISD::EXTLOAD || VT.isInteger()) &&
+ "Cannot sign/zero extend a FP/Vector load!");
+ assert(VT.isInteger() == EVT.isInteger() &&
+ "Cannot convert from FP to Int or Int -> FP!");
+ }
+
+ bool Indexed = AM != ISD::UNINDEXED;
+ assert((Indexed || Offset.getOpcode() == ISD::UNDEF) &&
+ "Unindexed load with an offset!");
+
+ SDVTList VTs = Indexed ?
+ getVTList(VT, Ptr.getValueType(), MVT::Other) : getVTList(VT, MVT::Other);
+ SDValue Ops[] = { Chain, Ptr, Offset };
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, ISD::LOAD, VTs, Ops, 3);
+ ID.AddInteger(AM);
+ ID.AddInteger(ExtType);
+ ID.AddInteger(EVT.getRawBits());
+ ID.AddInteger(encodeMemSDNodeFlags(isVolatile, Alignment));
+ void *IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return SDValue(E, 0);
+ SDNode *N = NodeAllocator.Allocate<LoadSDNode>();
+ new (N) LoadSDNode(Ops, dl, VTs, AM, ExtType, EVT, SV, SVOffset,
+ Alignment, isVolatile);
+ CSEMap.InsertNode(N, IP);
+ AllNodes.push_back(N);
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getLoad(MVT VT,
- SDOperand Chain, SDOperand Ptr,
- const Value *SV, int SVOffset,
- bool isVolatile, unsigned Alignment) {
- SDOperand Undef = getNode(ISD::UNDEF, Ptr.getValueType());
+SDValue SelectionDAG::getLoad(MVT VT,
+ SDValue Chain, SDValue Ptr,
+ const Value *SV, int SVOffset,
+ bool isVolatile, unsigned Alignment) {
+ SDValue Undef = getNode(ISD::UNDEF, Ptr.getValueType());
return getLoad(ISD::UNINDEXED, ISD::NON_EXTLOAD, VT, Chain, Ptr, Undef,
SV, SVOffset, VT, isVolatile, Alignment);
}
-SDOperand SelectionDAG::getExtLoad(ISD::LoadExtType ExtType, MVT VT,
- SDOperand Chain, SDOperand Ptr,
- const Value *SV,
- int SVOffset, MVT EVT,
- bool isVolatile, unsigned Alignment) {
- SDOperand Undef = getNode(ISD::UNDEF, Ptr.getValueType());
+SDValue SelectionDAG::getLoad(MVT VT, DebugLoc dl,
+ SDValue Chain, SDValue Ptr,
+ const Value *SV, int SVOffset,
+ bool isVolatile, unsigned Alignment) {
+ SDValue Undef = getNode(ISD::UNDEF, Ptr.getValueType());
+ return getLoad(ISD::UNINDEXED, dl, ISD::NON_EXTLOAD, VT, Chain, Ptr, Undef,
+ SV, SVOffset, VT, isVolatile, Alignment);
+}
+
+SDValue SelectionDAG::getExtLoad(ISD::LoadExtType ExtType, MVT VT,
+ SDValue Chain, SDValue Ptr,
+ const Value *SV,
+ int SVOffset, MVT EVT,
+ bool isVolatile, unsigned Alignment) {
+ SDValue Undef = getNode(ISD::UNDEF, Ptr.getValueType());
return getLoad(ISD::UNINDEXED, ExtType, VT, Chain, Ptr, Undef,
SV, SVOffset, EVT, isVolatile, Alignment);
}
-SDOperand
-SelectionDAG::getIndexedLoad(SDOperand OrigLoad, SDOperand Base,
- SDOperand Offset, ISD::MemIndexedMode AM) {
+SDValue SelectionDAG::getExtLoad(ISD::LoadExtType ExtType, DebugLoc dl, MVT VT,
+ SDValue Chain, SDValue Ptr,
+ const Value *SV,
+ int SVOffset, MVT EVT,
+ bool isVolatile, unsigned Alignment) {
+ SDValue Undef = getNode(ISD::UNDEF, Ptr.getValueType());
+ return getLoad(ISD::UNINDEXED, dl, ExtType, VT, Chain, Ptr, Undef,
+ SV, SVOffset, EVT, isVolatile, Alignment);
+}
+
+SDValue
+SelectionDAG::getIndexedLoad(SDValue OrigLoad, SDValue Base,
+ SDValue Offset, ISD::MemIndexedMode AM) {
LoadSDNode *LD = cast<LoadSDNode>(OrigLoad);
assert(LD->getOffset().getOpcode() == ISD::UNDEF &&
"Load is already a indexed load!");
LD->isVolatile(), LD->getAlignment());
}
-SDOperand SelectionDAG::getStore(SDOperand Chain, SDOperand Val,
- SDOperand Ptr, const Value *SV, int SVOffset,
- bool isVolatile, unsigned Alignment) {
+SDValue
+SelectionDAG::getIndexedLoad(SDValue OrigLoad, DebugLoc dl, SDValue Base,
+ SDValue Offset, ISD::MemIndexedMode AM) {
+ LoadSDNode *LD = cast<LoadSDNode>(OrigLoad);
+ assert(LD->getOffset().getOpcode() == ISD::UNDEF &&
+ "Load is already a indexed load!");
+ return getLoad(AM, dl, LD->getExtensionType(), OrigLoad.getValueType(),
+ LD->getChain(), Base, Offset, LD->getSrcValue(),
+ LD->getSrcValueOffset(), LD->getMemoryVT(),
+ LD->isVolatile(), LD->getAlignment());
+}
+
+SDValue SelectionDAG::getStore(SDValue Chain, SDValue Val,
+ SDValue Ptr, const Value *SV, int SVOffset,
+ bool isVolatile, unsigned Alignment) {
MVT VT = Val.getValueType();
if (Alignment == 0) // Ensure that codegen never sees alignment 0
Alignment = getMVTAlignment(VT);
SDVTList VTs = getVTList(MVT::Other);
- SDOperand Undef = getNode(ISD::UNDEF, Ptr.getValueType());
- SDOperand Ops[] = { Chain, Val, Ptr, Undef };
+ SDValue Undef = getNode(ISD::UNDEF, Ptr.getValueType());
+ SDValue Ops[] = { Chain, Val, Ptr, Undef };
FoldingSetNodeID ID;
AddNodeIDNode(ID, ISD::STORE, VTs, Ops, 4);
ID.AddInteger(ISD::UNINDEXED);
ID.AddInteger(false);
ID.AddInteger(VT.getRawBits());
- ID.AddInteger(Alignment);
- ID.AddInteger(isVolatile);
+ ID.AddInteger(encodeMemSDNodeFlags(isVolatile, Alignment));
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- SDNode *N = getAllocator().Allocate<StoreSDNode>();
+ return SDValue(E, 0);
+ SDNode *N = NodeAllocator.Allocate<StoreSDNode>();
new (N) StoreSDNode(Ops, VTs, ISD::UNINDEXED, false,
VT, SV, SVOffset, Alignment, isVolatile);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
+}
+
+SDValue SelectionDAG::getStore(SDValue Chain, DebugLoc dl, SDValue Val,
+ SDValue Ptr, const Value *SV, int SVOffset,
+ bool isVolatile, unsigned Alignment) {
+ MVT VT = Val.getValueType();
+
+ if (Alignment == 0) // Ensure that codegen never sees alignment 0
+ Alignment = getMVTAlignment(VT);
+
+ SDVTList VTs = getVTList(MVT::Other);
+ SDValue Undef = getNode(ISD::UNDEF, Ptr.getValueType());
+ SDValue Ops[] = { Chain, Val, Ptr, Undef };
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, ISD::STORE, VTs, Ops, 4);
+ ID.AddInteger(ISD::UNINDEXED);
+ ID.AddInteger(false);
+ ID.AddInteger(VT.getRawBits());
+ ID.AddInteger(encodeMemSDNodeFlags(isVolatile, Alignment));
+ void *IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return SDValue(E, 0);
+ SDNode *N = NodeAllocator.Allocate<StoreSDNode>();
+ new (N) StoreSDNode(Ops, dl, VTs, ISD::UNINDEXED, false,
+ VT, SV, SVOffset, Alignment, isVolatile);
+ CSEMap.InsertNode(N, IP);
+ AllNodes.push_back(N);
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getTruncStore(SDOperand Chain, SDOperand Val,
- SDOperand Ptr, const Value *SV,
- int SVOffset, MVT SVT,
- bool isVolatile, unsigned Alignment) {
+SDValue SelectionDAG::getTruncStore(SDValue Chain, SDValue Val,
+ SDValue Ptr, const Value *SV,
+ int SVOffset, MVT SVT,
+ bool isVolatile, unsigned Alignment) {
MVT VT = Val.getValueType();
if (VT == SVT)
Alignment = getMVTAlignment(VT);
SDVTList VTs = getVTList(MVT::Other);
- SDOperand Undef = getNode(ISD::UNDEF, Ptr.getValueType());
- SDOperand Ops[] = { Chain, Val, Ptr, Undef };
+ SDValue Undef = getNode(ISD::UNDEF, Ptr.getValueType());
+ SDValue Ops[] = { Chain, Val, Ptr, Undef };
FoldingSetNodeID ID;
AddNodeIDNode(ID, ISD::STORE, VTs, Ops, 4);
ID.AddInteger(ISD::UNINDEXED);
ID.AddInteger(1);
ID.AddInteger(SVT.getRawBits());
- ID.AddInteger(Alignment);
- ID.AddInteger(isVolatile);
+ ID.AddInteger(encodeMemSDNodeFlags(isVolatile, Alignment));
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- SDNode *N = getAllocator().Allocate<StoreSDNode>();
+ return SDValue(E, 0);
+ SDNode *N = NodeAllocator.Allocate<StoreSDNode>();
new (N) StoreSDNode(Ops, VTs, ISD::UNINDEXED, true,
SVT, SV, SVOffset, Alignment, isVolatile);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
+}
+
+SDValue SelectionDAG::getTruncStore(SDValue Chain, DebugLoc dl, SDValue Val,
+ SDValue Ptr, const Value *SV,
+ int SVOffset, MVT SVT,
+ bool isVolatile, unsigned Alignment) {
+ MVT VT = Val.getValueType();
+
+ if (VT == SVT)
+ return getStore(Chain, dl, Val, Ptr, SV, SVOffset, isVolatile, Alignment);
+
+ assert(VT.bitsGT(SVT) && "Not a truncation?");
+ assert(VT.isInteger() == SVT.isInteger() &&
+ "Can't do FP-INT conversion!");
+
+ if (Alignment == 0) // Ensure that codegen never sees alignment 0
+ Alignment = getMVTAlignment(VT);
+
+ SDVTList VTs = getVTList(MVT::Other);
+ SDValue Undef = getNode(ISD::UNDEF, Ptr.getValueType());
+ SDValue Ops[] = { Chain, Val, Ptr, Undef };
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, ISD::STORE, VTs, Ops, 4);
+ ID.AddInteger(ISD::UNINDEXED);
+ ID.AddInteger(1);
+ ID.AddInteger(SVT.getRawBits());
+ ID.AddInteger(encodeMemSDNodeFlags(isVolatile, Alignment));
+ void *IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return SDValue(E, 0);
+ SDNode *N = NodeAllocator.Allocate<StoreSDNode>();
+ new (N) StoreSDNode(Ops, dl, VTs, ISD::UNINDEXED, true,
+ SVT, SV, SVOffset, Alignment, isVolatile);
+ CSEMap.InsertNode(N, IP);
+ AllNodes.push_back(N);
+ return SDValue(N, 0);
}
-SDOperand
-SelectionDAG::getIndexedStore(SDOperand OrigStore, SDOperand Base,
- SDOperand Offset, ISD::MemIndexedMode AM) {
+SDValue
+SelectionDAG::getIndexedStore(SDValue OrigStore, SDValue Base,
+ SDValue Offset, ISD::MemIndexedMode AM) {
StoreSDNode *ST = cast<StoreSDNode>(OrigStore);
assert(ST->getOffset().getOpcode() == ISD::UNDEF &&
"Store is already a indexed store!");
SDVTList VTs = getVTList(Base.getValueType(), MVT::Other);
- SDOperand Ops[] = { ST->getChain(), ST->getValue(), Base, Offset };
+ SDValue Ops[] = { ST->getChain(), ST->getValue(), Base, Offset };
FoldingSetNodeID ID;
AddNodeIDNode(ID, ISD::STORE, VTs, Ops, 4);
ID.AddInteger(AM);
ID.AddInteger(ST->isTruncatingStore());
ID.AddInteger(ST->getMemoryVT().getRawBits());
- ID.AddInteger(ST->getAlignment());
- ID.AddInteger(ST->isVolatile());
+ ID.AddInteger(ST->getRawFlags());
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- SDNode *N = getAllocator().Allocate<StoreSDNode>();
+ return SDValue(E, 0);
+ SDNode *N = NodeAllocator.Allocate<StoreSDNode>();
new (N) StoreSDNode(Ops, VTs, AM,
ST->isTruncatingStore(), ST->getMemoryVT(),
ST->getSrcValue(), ST->getSrcValueOffset(),
ST->getAlignment(), ST->isVolatile());
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
- return SDOperand(N, 0);
+ return SDValue(N, 0);
+}
+
+SDValue
+SelectionDAG::getIndexedStore(SDValue OrigStore, DebugLoc dl, SDValue Base,
+ SDValue Offset, ISD::MemIndexedMode AM) {
+ StoreSDNode *ST = cast<StoreSDNode>(OrigStore);
+ assert(ST->getOffset().getOpcode() == ISD::UNDEF &&
+ "Store is already a indexed store!");
+ SDVTList VTs = getVTList(Base.getValueType(), MVT::Other);
+ SDValue Ops[] = { ST->getChain(), ST->getValue(), Base, Offset };
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, ISD::STORE, VTs, Ops, 4);
+ ID.AddInteger(AM);
+ ID.AddInteger(ST->isTruncatingStore());
+ ID.AddInteger(ST->getMemoryVT().getRawBits());
+ ID.AddInteger(ST->getRawFlags());
+ void *IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return SDValue(E, 0);
+ SDNode *N = NodeAllocator.Allocate<StoreSDNode>();
+ new (N) StoreSDNode(Ops, dl, VTs, AM,
+ ST->isTruncatingStore(), ST->getMemoryVT(),
+ ST->getSrcValue(), ST->getSrcValueOffset(),
+ ST->getAlignment(), ST->isVolatile());
+ CSEMap.InsertNode(N, IP);
+ AllNodes.push_back(N);
+ return SDValue(N, 0);
}
-SDOperand SelectionDAG::getVAArg(MVT VT,
- SDOperand Chain, SDOperand Ptr,
- SDOperand SV) {
- SDOperand Ops[] = { Chain, Ptr, SV };
+SDValue SelectionDAG::getVAArg(MVT VT,
+ SDValue Chain, SDValue Ptr,
+ SDValue SV) {
+ SDValue Ops[] = { Chain, Ptr, SV };
return getNode(ISD::VAARG, getVTList(VT, MVT::Other), Ops, 3);
}
-SDOperand SelectionDAG::getNode(unsigned Opcode, MVT VT,
- const SDUse *Ops, unsigned NumOps) {
+SDValue SelectionDAG::getNode(unsigned Opcode, MVT VT,
+ const SDUse *Ops, unsigned NumOps) {
+ return getNode(Opcode, DebugLoc::getUnknownLoc(), VT, Ops, NumOps);
+}
+
+SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, MVT VT,
+ const SDUse *Ops, unsigned NumOps) {
switch (NumOps) {
- case 0: return getNode(Opcode, VT);
- case 1: return getNode(Opcode, VT, Ops[0].getSDOperand());
- case 2: return getNode(Opcode, VT, Ops[0].getSDOperand(),
- Ops[1].getSDOperand());
- case 3: return getNode(Opcode, VT, Ops[0].getSDOperand(),
- Ops[1].getSDOperand(), Ops[2].getSDOperand());
+ case 0: return getNode(Opcode, DL, VT);
+ case 1: return getNode(Opcode, DL, VT, Ops[0]);
+ case 2: return getNode(Opcode, DL, VT, Ops[0], Ops[1]);
+ case 3: return getNode(Opcode, DL, VT, Ops[0], Ops[1], Ops[2]);
default: break;
}
- // Copy from an SDUse array into an SDOperand array for use with
+ // Copy from an SDUse array into an SDValue array for use with
// the regular getNode logic.
- SmallVector<SDOperand, 8> NewOps;
- NewOps.reserve(NumOps);
- for (unsigned i = 0; i != NumOps; ++i)
- NewOps.push_back(Ops[i].getSDOperand());
- return getNode(Opcode, VT, Ops, NumOps);
+ SmallVector<SDValue, 8> NewOps(Ops, Ops + NumOps);
+ return getNode(Opcode, DL, VT, &NewOps[0], NumOps);
+}
+
+SDValue SelectionDAG::getNode(unsigned Opcode, MVT VT,
+ const SDValue *Ops, unsigned NumOps) {
+ return getNode(Opcode, DebugLoc::getUnknownLoc(), VT, Ops, NumOps);
}
-SDOperand SelectionDAG::getNode(unsigned Opcode, MVT VT,
- const SDOperand *Ops, unsigned NumOps) {
+SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, MVT VT,
+ const SDValue *Ops, unsigned NumOps) {
switch (NumOps) {
- case 0: return getNode(Opcode, VT);
- case 1: return getNode(Opcode, VT, Ops[0]);
- case 2: return getNode(Opcode, VT, Ops[0], Ops[1]);
- case 3: return getNode(Opcode, VT, Ops[0], Ops[1], Ops[2]);
+ case 0: return getNode(Opcode, DL, VT);
+ case 1: return getNode(Opcode, DL, VT, Ops[0]);
+ case 2: return getNode(Opcode, DL, VT, Ops[0], Ops[1]);
+ case 3: return getNode(Opcode, DL, VT, Ops[0], Ops[1], Ops[2]);
default: break;
}
// Memoize nodes.
SDNode *N;
SDVTList VTs = getVTList(VT);
+
if (VT != MVT::Flag) {
FoldingSetNodeID ID;
AddNodeIDNode(ID, Opcode, VTs, Ops, NumOps);
void *IP = 0;
+
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
- N = getAllocator().Allocate<SDNode>();
- new (N) SDNode(Opcode, VTs, Ops, NumOps);
+ return SDValue(E, 0);
+
+ N = NodeAllocator.Allocate<SDNode>();
+ new (N) SDNode(Opcode, DL, VTs, Ops, NumOps);
CSEMap.InsertNode(N, IP);
} else {
- N = getAllocator().Allocate<SDNode>();
- new (N) SDNode(Opcode, VTs, Ops, NumOps);
+ N = NodeAllocator.Allocate<SDNode>();
+ new (N) SDNode(Opcode, DL, VTs, Ops, NumOps);
}
+
AllNodes.push_back(N);
#ifndef NDEBUG
VerifyNode(N);
#endif
- return SDOperand(N, 0);
+ return SDValue(N, 0);
+}
+
+SDValue SelectionDAG::getNode(unsigned Opcode,
+ const std::vector<MVT> &ResultTys,
+ const SDValue *Ops, unsigned NumOps) {
+ return getNode(Opcode, DebugLoc::getUnknownLoc(), ResultTys, Ops, NumOps);
}
-SDOperand SelectionDAG::getNode(unsigned Opcode,
- const std::vector<MVT> &ResultTys,
- const SDOperand *Ops, unsigned NumOps) {
- return getNode(Opcode, getNodeValueTypes(ResultTys), ResultTys.size(),
+SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL,
+ const std::vector<MVT> &ResultTys,
+ const SDValue *Ops, unsigned NumOps) {
+ return getNode(Opcode, DL, getNodeValueTypes(ResultTys), ResultTys.size(),
Ops, NumOps);
}
-SDOperand SelectionDAG::getNode(unsigned Opcode,
- const MVT *VTs, unsigned NumVTs,
- const SDOperand *Ops, unsigned NumOps) {
+SDValue SelectionDAG::getNode(unsigned Opcode,
+ const MVT *VTs, unsigned NumVTs,
+ const SDValue *Ops, unsigned NumOps) {
+ return getNode(Opcode, DebugLoc::getUnknownLoc(), VTs, NumVTs, Ops, NumOps);
+}
+
+SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL,
+ const MVT *VTs, unsigned NumVTs,
+ const SDValue *Ops, unsigned NumOps) {
if (NumVTs == 1)
- return getNode(Opcode, VTs[0], Ops, NumOps);
- return getNode(Opcode, makeVTList(VTs, NumVTs), Ops, NumOps);
+ return getNode(Opcode, DL, VTs[0], Ops, NumOps);
+ return getNode(Opcode, DL, makeVTList(VTs, NumVTs), Ops, NumOps);
}
-SDOperand SelectionDAG::getNode(unsigned Opcode, SDVTList VTList,
- const SDOperand *Ops, unsigned NumOps) {
+SDValue SelectionDAG::getNode(unsigned Opcode, SDVTList VTList,
+ const SDValue *Ops, unsigned NumOps) {
+ return getNode(Opcode, DebugLoc::getUnknownLoc(), VTList, Ops, NumOps);
+}
+
+SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, SDVTList VTList,
+ const SDValue *Ops, unsigned NumOps) {
if (VTList.NumVTs == 1)
- return getNode(Opcode, VTList.VTs[0], Ops, NumOps);
+ return getNode(Opcode, DL, VTList.VTs[0], Ops, NumOps);
switch (Opcode) {
// FIXME: figure out how to safely handle things like
case ISD::SHL_PARTS:
if (N3.getOpcode() == ISD::SIGN_EXTEND_INREG &&
cast<VTSDNode>(N3.getOperand(1))->getVT() != MVT::i1)
- return getNode(Opcode, VT, N1, N2, N3.getOperand(0));
+ return getNode(Opcode, DL, VT, N1, N2, N3.getOperand(0));
else if (N3.getOpcode() == ISD::AND)
if (ConstantSDNode *AndRHS = dyn_cast<ConstantSDNode>(N3.getOperand(1))) {
// If the and is only masking out bits that cannot effect the shift,
// eliminate the and.
unsigned NumBits = VT.getSizeInBits()*2;
if ((AndRHS->getValue() & (NumBits-1)) == NumBits-1)
- return getNode(Opcode, VT, N1, N2, N3.getOperand(0));
+ return getNode(Opcode, DL, VT, N1, N2, N3.getOperand(0));
}
break;
#endif
AddNodeIDNode(ID, Opcode, VTList, Ops, NumOps);
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDOperand(E, 0);
+ return SDValue(E, 0);
if (NumOps == 1) {
- N = getAllocator().Allocate<UnarySDNode>();
- new (N) UnarySDNode(Opcode, VTList, Ops[0]);
+ N = NodeAllocator.Allocate<UnarySDNode>();
+ new (N) UnarySDNode(Opcode, DL, VTList, Ops[0]);
} else if (NumOps == 2) {
- N = getAllocator().Allocate<BinarySDNode>();
- new (N) BinarySDNode(Opcode, VTList, Ops[0], Ops[1]);
+ N = NodeAllocator.Allocate<BinarySDNode>();
+ new (N) BinarySDNode(Opcode, DL, VTList, Ops[0], Ops[1]);
} else if (NumOps == 3) {
- N = getAllocator().Allocate<TernarySDNode>();
- new (N) TernarySDNode(Opcode, VTList, Ops[0], Ops[1], Ops[2]);
+ N = NodeAllocator.Allocate<TernarySDNode>();
+ new (N) TernarySDNode(Opcode, DL, VTList, Ops[0], Ops[1], Ops[2]);
} else {
- N = getAllocator().Allocate<SDNode>();
- new (N) SDNode(Opcode, VTList, Ops, NumOps);
+ N = NodeAllocator.Allocate<SDNode>();
+ new (N) SDNode(Opcode, DL, VTList, Ops, NumOps);
}
CSEMap.InsertNode(N, IP);
} else {
if (NumOps == 1) {
- N = getAllocator().Allocate<UnarySDNode>();
- new (N) UnarySDNode(Opcode, VTList, Ops[0]);
+ N = NodeAllocator.Allocate<UnarySDNode>();
+ new (N) UnarySDNode(Opcode, DL, VTList, Ops[0]);
} else if (NumOps == 2) {
- N = getAllocator().Allocate<BinarySDNode>();
- new (N) BinarySDNode(Opcode, VTList, Ops[0], Ops[1]);
+ N = NodeAllocator.Allocate<BinarySDNode>();
+ new (N) BinarySDNode(Opcode, DL, VTList, Ops[0], Ops[1]);
} else if (NumOps == 3) {
- N = getAllocator().Allocate<TernarySDNode>();
- new (N) TernarySDNode(Opcode, VTList, Ops[0], Ops[1], Ops[2]);
+ N = NodeAllocator.Allocate<TernarySDNode>();
+ new (N) TernarySDNode(Opcode, DL, VTList, Ops[0], Ops[1], Ops[2]);
} else {
- N = getAllocator().Allocate<SDNode>();
- new (N) SDNode(Opcode, VTList, Ops, NumOps);
+ N = NodeAllocator.Allocate<SDNode>();
+ new (N) SDNode(Opcode, DL, VTList, Ops, NumOps);
}
}
AllNodes.push_back(N);
#ifndef NDEBUG
VerifyNode(N);
#endif
- return SDOperand(N, 0);
+ return SDValue(N, 0);
+}
+
+SDValue SelectionDAG::getNode(unsigned Opcode, SDVTList VTList) {
+ return getNode(Opcode, DebugLoc::getUnknownLoc(), VTList);
+}
+
+SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, SDVTList VTList) {
+ return getNode(Opcode, DL, VTList, 0, 0);
+}
+
+SDValue SelectionDAG::getNode(unsigned Opcode, SDVTList VTList,
+ SDValue N1) {
+ return getNode(Opcode, DebugLoc::getUnknownLoc(), VTList, N1);
+}
+
+SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, SDVTList VTList,
+ SDValue N1) {
+ SDValue Ops[] = { N1 };
+ return getNode(Opcode, DL, VTList, Ops, 1);
+}
+
+SDValue SelectionDAG::getNode(unsigned Opcode, SDVTList VTList,
+ SDValue N1, SDValue N2) {
+ return getNode(Opcode, DebugLoc::getUnknownLoc(), VTList, N1, N2);
+}
+
+SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, SDVTList VTList,
+ SDValue N1, SDValue N2) {
+ SDValue Ops[] = { N1, N2 };
+ return getNode(Opcode, DL, VTList, Ops, 2);
}
-SDOperand SelectionDAG::getNode(unsigned Opcode, SDVTList VTList) {
- return getNode(Opcode, VTList, 0, 0);
+SDValue SelectionDAG::getNode(unsigned Opcode, SDVTList VTList,
+ SDValue N1, SDValue N2, SDValue N3) {
+ return getNode(Opcode, DebugLoc::getUnknownLoc(), VTList, N1, N2, N3);
}
-SDOperand SelectionDAG::getNode(unsigned Opcode, SDVTList VTList,
- SDOperand N1) {
- SDOperand Ops[] = { N1 };
- return getNode(Opcode, VTList, Ops, 1);
+SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, SDVTList VTList,
+ SDValue N1, SDValue N2, SDValue N3) {
+ SDValue Ops[] = { N1, N2, N3 };
+ return getNode(Opcode, DL, VTList, Ops, 3);
}
-SDOperand SelectionDAG::getNode(unsigned Opcode, SDVTList VTList,
- SDOperand N1, SDOperand N2) {
- SDOperand Ops[] = { N1, N2 };
- return getNode(Opcode, VTList, Ops, 2);
+SDValue SelectionDAG::getNode(unsigned Opcode, SDVTList VTList,
+ SDValue N1, SDValue N2, SDValue N3,
+ SDValue N4) {
+ return getNode(Opcode, DebugLoc::getUnknownLoc(), VTList, N1, N2, N3, N4);
}
-SDOperand SelectionDAG::getNode(unsigned Opcode, SDVTList VTList,
- SDOperand N1, SDOperand N2, SDOperand N3) {
- SDOperand Ops[] = { N1, N2, N3 };
- return getNode(Opcode, VTList, Ops, 3);
+SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, SDVTList VTList,
+ SDValue N1, SDValue N2, SDValue N3,
+ SDValue N4) {
+ SDValue Ops[] = { N1, N2, N3, N4 };
+ return getNode(Opcode, DL, VTList, Ops, 4);
}
-SDOperand SelectionDAG::getNode(unsigned Opcode, SDVTList VTList,
- SDOperand N1, SDOperand N2, SDOperand N3,
- SDOperand N4) {
- SDOperand Ops[] = { N1, N2, N3, N4 };
- return getNode(Opcode, VTList, Ops, 4);
+SDValue SelectionDAG::getNode(unsigned Opcode, SDVTList VTList,
+ SDValue N1, SDValue N2, SDValue N3,
+ SDValue N4, SDValue N5) {
+ return getNode(Opcode, DebugLoc::getUnknownLoc(), VTList, N1, N2, N3, N4, N5);
}
-SDOperand SelectionDAG::getNode(unsigned Opcode, SDVTList VTList,
- SDOperand N1, SDOperand N2, SDOperand N3,
- SDOperand N4, SDOperand N5) {
- SDOperand Ops[] = { N1, N2, N3, N4, N5 };
- return getNode(Opcode, VTList, Ops, 5);
+SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, SDVTList VTList,
+ SDValue N1, SDValue N2, SDValue N3,
+ SDValue N4, SDValue N5) {
+ SDValue Ops[] = { N1, N2, N3, N4, N5 };
+ return getNode(Opcode, DL, VTList, Ops, 5);
}
SDVTList SelectionDAG::getVTList(MVT VT) {
return Result;
}
+SDVTList SelectionDAG::getVTList(MVT VT1, MVT VT2, MVT VT3, MVT VT4) {
+ for (std::vector<SDVTList>::reverse_iterator I = VTList.rbegin(),
+ E = VTList.rend(); I != E; ++I)
+ if (I->NumVTs == 4 && I->VTs[0] == VT1 && I->VTs[1] == VT2 &&
+ I->VTs[2] == VT3 && I->VTs[3] == VT4)
+ return *I;
+
+ MVT *Array = Allocator.Allocate<MVT>(3);
+ Array[0] = VT1;
+ Array[1] = VT2;
+ Array[2] = VT3;
+ Array[3] = VT4;
+ SDVTList Result = makeVTList(Array, 4);
+ VTList.push_back(Result);
+ return Result;
+}
+
SDVTList SelectionDAG::getVTList(const MVT *VTs, unsigned NumVTs) {
switch (NumVTs) {
case 0: assert(0 && "Cannot have nodes without results!");
/// already exists. If the resultant node does not exist in the DAG, the
/// input node is returned. As a degenerate case, if you specify the same
/// input operands as the node already has, the input node is returned.
-SDOperand SelectionDAG::
-UpdateNodeOperands(SDOperand InN, SDOperand Op) {
- SDNode *N = InN.Val;
+SDValue SelectionDAG::UpdateNodeOperands(SDValue InN, SDValue Op) {
+ SDNode *N = InN.getNode();
assert(N->getNumOperands() == 1 && "Update with wrong number of operands");
// Check to see if there is no change.
// See if the modified node already exists.
void *InsertPos = 0;
if (SDNode *Existing = FindModifiedNodeSlot(N, Op, InsertPos))
- return SDOperand(Existing, InN.ResNo);
+ return SDValue(Existing, InN.getResNo());
// Nope it doesn't. Remove the node from its current place in the maps.
if (InsertPos)
- RemoveNodeFromCSEMaps(N);
+ if (!RemoveNodeFromCSEMaps(N))
+ InsertPos = 0;
// Now we update the operands.
- N->OperandList[0].getVal()->removeUser(0, N);
- N->OperandList[0] = Op;
- N->OperandList[0].setUser(N);
- Op.Val->addUser(0, N);
+ N->OperandList[0].set(Op);
// If this gets put into a CSE map, add it.
if (InsertPos) CSEMap.InsertNode(N, InsertPos);
return InN;
}
-SDOperand SelectionDAG::
-UpdateNodeOperands(SDOperand InN, SDOperand Op1, SDOperand Op2) {
- SDNode *N = InN.Val;
+SDValue SelectionDAG::
+UpdateNodeOperands(SDValue InN, SDValue Op1, SDValue Op2) {
+ SDNode *N = InN.getNode();
assert(N->getNumOperands() == 2 && "Update with wrong number of operands");
// Check to see if there is no change.
// See if the modified node already exists.
void *InsertPos = 0;
if (SDNode *Existing = FindModifiedNodeSlot(N, Op1, Op2, InsertPos))
- return SDOperand(Existing, InN.ResNo);
+ return SDValue(Existing, InN.getResNo());
// Nope it doesn't. Remove the node from its current place in the maps.
if (InsertPos)
- RemoveNodeFromCSEMaps(N);
+ if (!RemoveNodeFromCSEMaps(N))
+ InsertPos = 0;
// Now we update the operands.
- if (N->OperandList[0] != Op1) {
- N->OperandList[0].getVal()->removeUser(0, N);
- N->OperandList[0] = Op1;
- N->OperandList[0].setUser(N);
- Op1.Val->addUser(0, N);
- }
- if (N->OperandList[1] != Op2) {
- N->OperandList[1].getVal()->removeUser(1, N);
- N->OperandList[1] = Op2;
- N->OperandList[1].setUser(N);
- Op2.Val->addUser(1, N);
- }
+ if (N->OperandList[0] != Op1)
+ N->OperandList[0].set(Op1);
+ if (N->OperandList[1] != Op2)
+ N->OperandList[1].set(Op2);
// If this gets put into a CSE map, add it.
if (InsertPos) CSEMap.InsertNode(N, InsertPos);
return InN;
}
-SDOperand SelectionDAG::
-UpdateNodeOperands(SDOperand N, SDOperand Op1, SDOperand Op2, SDOperand Op3) {
- SDOperand Ops[] = { Op1, Op2, Op3 };
+SDValue SelectionDAG::
+UpdateNodeOperands(SDValue N, SDValue Op1, SDValue Op2, SDValue Op3) {
+ SDValue Ops[] = { Op1, Op2, Op3 };
return UpdateNodeOperands(N, Ops, 3);
}
-SDOperand SelectionDAG::
-UpdateNodeOperands(SDOperand N, SDOperand Op1, SDOperand Op2,
- SDOperand Op3, SDOperand Op4) {
- SDOperand Ops[] = { Op1, Op2, Op3, Op4 };
+SDValue SelectionDAG::
+UpdateNodeOperands(SDValue N, SDValue Op1, SDValue Op2,
+ SDValue Op3, SDValue Op4) {
+ SDValue Ops[] = { Op1, Op2, Op3, Op4 };
return UpdateNodeOperands(N, Ops, 4);
}
-SDOperand SelectionDAG::
-UpdateNodeOperands(SDOperand N, SDOperand Op1, SDOperand Op2,
- SDOperand Op3, SDOperand Op4, SDOperand Op5) {
- SDOperand Ops[] = { Op1, Op2, Op3, Op4, Op5 };
+SDValue SelectionDAG::
+UpdateNodeOperands(SDValue N, SDValue Op1, SDValue Op2,
+ SDValue Op3, SDValue Op4, SDValue Op5) {
+ SDValue Ops[] = { Op1, Op2, Op3, Op4, Op5 };
return UpdateNodeOperands(N, Ops, 5);
}
-SDOperand SelectionDAG::
-UpdateNodeOperands(SDOperand InN, const SDOperand *Ops, unsigned NumOps) {
- SDNode *N = InN.Val;
+SDValue SelectionDAG::
+UpdateNodeOperands(SDValue InN, const SDValue *Ops, unsigned NumOps) {
+ SDNode *N = InN.getNode();
assert(N->getNumOperands() == NumOps &&
"Update with wrong number of operands");
// See if the modified node already exists.
void *InsertPos = 0;
if (SDNode *Existing = FindModifiedNodeSlot(N, Ops, NumOps, InsertPos))
- return SDOperand(Existing, InN.ResNo);
+ return SDValue(Existing, InN.getResNo());
// Nope it doesn't. Remove the node from its current place in the maps.
if (InsertPos)
- RemoveNodeFromCSEMaps(N);
+ if (!RemoveNodeFromCSEMaps(N))
+ InsertPos = 0;
// Now we update the operands.
- for (unsigned i = 0; i != NumOps; ++i) {
- if (N->OperandList[i] != Ops[i]) {
- N->OperandList[i].getVal()->removeUser(i, N);
- N->OperandList[i] = Ops[i];
- N->OperandList[i].setUser(N);
- Ops[i].Val->addUser(i, N);
- }
- }
+ for (unsigned i = 0; i != NumOps; ++i)
+ if (N->OperandList[i] != Ops[i])
+ N->OperandList[i].set(Ops[i]);
// If this gets put into a CSE map, add it.
if (InsertPos) CSEMap.InsertNode(N, InsertPos);
void SDNode::DropOperands() {
// Unlike the code in MorphNodeTo that does this, we don't need to
// watch for dead nodes here.
- for (op_iterator I = op_begin(), E = op_end(); I != E; ++I)
- I->getVal()->removeUser(std::distance(op_begin(), I), this);
-
- NumOperands = 0;
+ for (op_iterator I = op_begin(), E = op_end(); I != E; ) {
+ SDUse &Use = *I++;
+ Use.set(SDValue());
+ }
}
/// SelectNodeTo - These are wrappers around MorphNodeTo that accept a
}
SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned MachineOpc,
- MVT VT, SDOperand Op1) {
+ MVT VT, SDValue Op1) {
SDVTList VTs = getVTList(VT);
- SDOperand Ops[] = { Op1 };
+ SDValue Ops[] = { Op1 };
return SelectNodeTo(N, MachineOpc, VTs, Ops, 1);
}
SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned MachineOpc,
- MVT VT, SDOperand Op1,
- SDOperand Op2) {
+ MVT VT, SDValue Op1,
+ SDValue Op2) {
SDVTList VTs = getVTList(VT);
- SDOperand Ops[] = { Op1, Op2 };
+ SDValue Ops[] = { Op1, Op2 };
return SelectNodeTo(N, MachineOpc, VTs, Ops, 2);
}
SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned MachineOpc,
- MVT VT, SDOperand Op1,
- SDOperand Op2, SDOperand Op3) {
+ MVT VT, SDValue Op1,
+ SDValue Op2, SDValue Op3) {
SDVTList VTs = getVTList(VT);
- SDOperand Ops[] = { Op1, Op2, Op3 };
+ SDValue Ops[] = { Op1, Op2, Op3 };
return SelectNodeTo(N, MachineOpc, VTs, Ops, 3);
}
SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned MachineOpc,
- MVT VT, const SDOperand *Ops,
+ MVT VT, const SDValue *Ops,
unsigned NumOps) {
SDVTList VTs = getVTList(VT);
return SelectNodeTo(N, MachineOpc, VTs, Ops, NumOps);
}
SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned MachineOpc,
- MVT VT1, MVT VT2, const SDOperand *Ops,
+ MVT VT1, MVT VT2, const SDValue *Ops,
unsigned NumOps) {
SDVTList VTs = getVTList(VT1, VT2);
return SelectNodeTo(N, MachineOpc, VTs, Ops, NumOps);
SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned MachineOpc,
MVT VT1, MVT VT2) {
SDVTList VTs = getVTList(VT1, VT2);
- return SelectNodeTo(N, MachineOpc, VTs, (SDOperand *)0, 0);
+ return SelectNodeTo(N, MachineOpc, VTs, (SDValue *)0, 0);
}
SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned MachineOpc,
MVT VT1, MVT VT2, MVT VT3,
- const SDOperand *Ops, unsigned NumOps) {
+ const SDValue *Ops, unsigned NumOps) {
SDVTList VTs = getVTList(VT1, VT2, VT3);
return SelectNodeTo(N, MachineOpc, VTs, Ops, NumOps);
}
+SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned MachineOpc,
+ MVT VT1, MVT VT2, MVT VT3, MVT VT4,
+ const SDValue *Ops, unsigned NumOps) {
+ SDVTList VTs = getVTList(VT1, VT2, VT3, VT4);
+ return SelectNodeTo(N, MachineOpc, VTs, Ops, NumOps);
+}
+
SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned MachineOpc,
MVT VT1, MVT VT2,
- SDOperand Op1) {
+ SDValue Op1) {
SDVTList VTs = getVTList(VT1, VT2);
- SDOperand Ops[] = { Op1 };
+ SDValue Ops[] = { Op1 };
return SelectNodeTo(N, MachineOpc, VTs, Ops, 1);
}
SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned MachineOpc,
MVT VT1, MVT VT2,
- SDOperand Op1, SDOperand Op2) {
+ SDValue Op1, SDValue Op2) {
SDVTList VTs = getVTList(VT1, VT2);
- SDOperand Ops[] = { Op1, Op2 };
+ SDValue Ops[] = { Op1, Op2 };
return SelectNodeTo(N, MachineOpc, VTs, Ops, 2);
}
SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned MachineOpc,
MVT VT1, MVT VT2,
- SDOperand Op1, SDOperand Op2,
- SDOperand Op3) {
+ SDValue Op1, SDValue Op2,
+ SDValue Op3) {
SDVTList VTs = getVTList(VT1, VT2);
- SDOperand Ops[] = { Op1, Op2, Op3 };
+ SDValue Ops[] = { Op1, Op2, Op3 };
+ return SelectNodeTo(N, MachineOpc, VTs, Ops, 3);
+}
+
+SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned MachineOpc,
+ MVT VT1, MVT VT2, MVT VT3,
+ SDValue Op1, SDValue Op2,
+ SDValue Op3) {
+ SDVTList VTs = getVTList(VT1, VT2, VT3);
+ SDValue Ops[] = { Op1, Op2, Op3 };
return SelectNodeTo(N, MachineOpc, VTs, Ops, 3);
}
SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned MachineOpc,
- SDVTList VTs, const SDOperand *Ops,
+ SDVTList VTs, const SDValue *Ops,
unsigned NumOps) {
return MorphNodeTo(N, ~MachineOpc, VTs, Ops, NumOps);
}
}
SDNode *SelectionDAG::MorphNodeTo(SDNode *N, unsigned Opc,
- MVT VT, SDOperand Op1) {
+ MVT VT, SDValue Op1) {
SDVTList VTs = getVTList(VT);
- SDOperand Ops[] = { Op1 };
+ SDValue Ops[] = { Op1 };
return MorphNodeTo(N, Opc, VTs, Ops, 1);
}
SDNode *SelectionDAG::MorphNodeTo(SDNode *N, unsigned Opc,
- MVT VT, SDOperand Op1,
- SDOperand Op2) {
+ MVT VT, SDValue Op1,
+ SDValue Op2) {
SDVTList VTs = getVTList(VT);
- SDOperand Ops[] = { Op1, Op2 };
+ SDValue Ops[] = { Op1, Op2 };
return MorphNodeTo(N, Opc, VTs, Ops, 2);
}
SDNode *SelectionDAG::MorphNodeTo(SDNode *N, unsigned Opc,
- MVT VT, SDOperand Op1,
- SDOperand Op2, SDOperand Op3) {
+ MVT VT, SDValue Op1,
+ SDValue Op2, SDValue Op3) {
SDVTList VTs = getVTList(VT);
- SDOperand Ops[] = { Op1, Op2, Op3 };
+ SDValue Ops[] = { Op1, Op2, Op3 };
return MorphNodeTo(N, Opc, VTs, Ops, 3);
}
SDNode *SelectionDAG::MorphNodeTo(SDNode *N, unsigned Opc,
- MVT VT, const SDOperand *Ops,
+ MVT VT, const SDValue *Ops,
unsigned NumOps) {
SDVTList VTs = getVTList(VT);
return MorphNodeTo(N, Opc, VTs, Ops, NumOps);
}
SDNode *SelectionDAG::MorphNodeTo(SDNode *N, unsigned Opc,
- MVT VT1, MVT VT2, const SDOperand *Ops,
+ MVT VT1, MVT VT2, const SDValue *Ops,
unsigned NumOps) {
SDVTList VTs = getVTList(VT1, VT2);
return MorphNodeTo(N, Opc, VTs, Ops, NumOps);
SDNode *SelectionDAG::MorphNodeTo(SDNode *N, unsigned Opc,
MVT VT1, MVT VT2) {
SDVTList VTs = getVTList(VT1, VT2);
- return MorphNodeTo(N, Opc, VTs, (SDOperand *)0, 0);
+ return MorphNodeTo(N, Opc, VTs, (SDValue *)0, 0);
}
SDNode *SelectionDAG::MorphNodeTo(SDNode *N, unsigned Opc,
MVT VT1, MVT VT2, MVT VT3,
- const SDOperand *Ops, unsigned NumOps) {
+ const SDValue *Ops, unsigned NumOps) {
SDVTList VTs = getVTList(VT1, VT2, VT3);
return MorphNodeTo(N, Opc, VTs, Ops, NumOps);
}
SDNode *SelectionDAG::MorphNodeTo(SDNode *N, unsigned Opc,
MVT VT1, MVT VT2,
- SDOperand Op1) {
+ SDValue Op1) {
SDVTList VTs = getVTList(VT1, VT2);
- SDOperand Ops[] = { Op1 };
+ SDValue Ops[] = { Op1 };
return MorphNodeTo(N, Opc, VTs, Ops, 1);
}
SDNode *SelectionDAG::MorphNodeTo(SDNode *N, unsigned Opc,
MVT VT1, MVT VT2,
- SDOperand Op1, SDOperand Op2) {
+ SDValue Op1, SDValue Op2) {
SDVTList VTs = getVTList(VT1, VT2);
- SDOperand Ops[] = { Op1, Op2 };
+ SDValue Ops[] = { Op1, Op2 };
return MorphNodeTo(N, Opc, VTs, Ops, 2);
}
SDNode *SelectionDAG::MorphNodeTo(SDNode *N, unsigned Opc,
MVT VT1, MVT VT2,
- SDOperand Op1, SDOperand Op2,
- SDOperand Op3) {
+ SDValue Op1, SDValue Op2,
+ SDValue Op3) {
SDVTList VTs = getVTList(VT1, VT2);
- SDOperand Ops[] = { Op1, Op2, Op3 };
+ SDValue Ops[] = { Op1, Op2, Op3 };
return MorphNodeTo(N, Opc, VTs, Ops, 3);
}
///
/// Using MorphNodeTo is faster than creating a new node and swapping it in
/// with ReplaceAllUsesWith both because it often avoids allocating a new
-/// node, and because it doesn't require CSE recalulation for any of
+/// node, and because it doesn't require CSE recalculation for any of
/// the node's users.
///
SDNode *SelectionDAG::MorphNodeTo(SDNode *N, unsigned Opc,
- SDVTList VTs, const SDOperand *Ops,
+ SDVTList VTs, const SDValue *Ops,
unsigned NumOps) {
// If an identical node already exists, use it.
void *IP = 0;
return ON;
}
- RemoveNodeFromCSEMaps(N);
+ if (!RemoveNodeFromCSEMaps(N))
+ IP = 0;
// Start the morphing.
N->NodeType = Opc;
// Clear the operands list, updating used nodes to remove this from their
// use list. Keep track of any operands that become dead as a result.
SmallPtrSet<SDNode*, 16> DeadNodeSet;
- for (SDNode::op_iterator B = N->op_begin(), I = B, E = N->op_end();
- I != E; ++I) {
- SDNode *Used = I->getVal();
- Used->removeUser(std::distance(B, I), N);
+ for (SDNode::op_iterator I = N->op_begin(), E = N->op_end(); I != E; ) {
+ SDUse &Use = *I++;
+ SDNode *Used = Use.getNode();
+ Use.set(SDValue());
if (Used->use_empty())
DeadNodeSet.insert(Used);
}
if (NumOps > N->NumOperands) {
if (N->OperandsNeedDelete)
delete[] N->OperandList;
+
if (N->isMachineOpcode()) {
// We're creating a final node that will live unmorphed for the
- // remainder of this SelectionDAG's duration, so we can allocate the
- // operands directly out of the pool with no recycling metadata.
- N->OperandList = Allocator.Allocate<SDUse>(NumOps);
+ // remainder of the current SelectionDAG iteration, so we can allocate
+ // the operands directly out of a pool with no recycling metadata.
+ N->OperandList = OperandAllocator.Allocate<SDUse>(NumOps);
N->OperandsNeedDelete = false;
} else {
N->OperandList = new SDUse[NumOps];
// Assign the new operands.
N->NumOperands = NumOps;
for (unsigned i = 0, e = NumOps; i != e; ++i) {
- N->OperandList[i] = Ops[i];
N->OperandList[i].setUser(N);
- SDNode *ToUse = N->OperandList[i].getVal();
- ToUse->addUser(i, N);
- DeadNodeSet.erase(ToUse);
+ N->OperandList[i].setInitial(Ops[i]);
}
// Delete any nodes that are still dead after adding the uses for the
/// node of the specified opcode and operands, it returns that node instead of
/// the current one.
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT) {
- return getNode(~Opcode, VT).Val;
+ return getNode(~Opcode, VT).getNode();
+}
+SDNode *SelectionDAG::getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT) {
+ return getNode(~Opcode, dl, VT).getNode();
+}
+
+SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT, SDValue Op1) {
+ return getNode(~Opcode, VT, Op1).getNode();
}
-SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT, SDOperand Op1) {
- return getNode(~Opcode, VT, Op1).Val;
+SDNode *SelectionDAG::getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT,
+ SDValue Op1) {
+ return getNode(~Opcode, dl, VT, Op1).getNode();
}
+
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT,
- SDOperand Op1, SDOperand Op2) {
- return getNode(~Opcode, VT, Op1, Op2).Val;
+ SDValue Op1, SDValue Op2) {
+ return getNode(~Opcode, VT, Op1, Op2).getNode();
}
+SDNode *SelectionDAG::getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT,
+ SDValue Op1, SDValue Op2) {
+ return getNode(~Opcode, dl, VT, Op1, Op2).getNode();
+}
+
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT,
- SDOperand Op1, SDOperand Op2,
- SDOperand Op3) {
- return getNode(~Opcode, VT, Op1, Op2, Op3).Val;
+ SDValue Op1, SDValue Op2,
+ SDValue Op3) {
+ return getNode(~Opcode, VT, Op1, Op2, Op3).getNode();
}
+SDNode *SelectionDAG::getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT,
+ SDValue Op1, SDValue Op2,
+ SDValue Op3) {
+ return getNode(~Opcode, dl, VT, Op1, Op2, Op3).getNode();
+}
+
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT,
- const SDOperand *Ops, unsigned NumOps) {
- return getNode(~Opcode, VT, Ops, NumOps).Val;
+ const SDValue *Ops, unsigned NumOps) {
+ return getNode(~Opcode, VT, Ops, NumOps).getNode();
+}
+SDNode *SelectionDAG::getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT,
+ const SDValue *Ops, unsigned NumOps) {
+ return getNode(~Opcode, dl, VT, Ops, NumOps).getNode();
}
+
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT1, MVT VT2) {
const MVT *VTs = getNodeValueTypes(VT1, VT2);
- SDOperand Op;
- return getNode(~Opcode, VTs, 2, &Op, 0).Val;
+ SDValue Op;
+ return getNode(~Opcode, VTs, 2, &Op, 0).getNode();
+}
+SDNode *SelectionDAG::getTargetNode(unsigned Opcode, DebugLoc dl,
+ MVT VT1, MVT VT2) {
+ const MVT *VTs = getNodeValueTypes(VT1, VT2);
+ SDValue Op;
+ return getNode(~Opcode, dl, VTs, 2, &Op, 0).getNode();
}
+
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT1,
- MVT VT2, SDOperand Op1) {
+ MVT VT2, SDValue Op1) {
+ const MVT *VTs = getNodeValueTypes(VT1, VT2);
+ return getNode(~Opcode, VTs, 2, &Op1, 1).getNode();
+}
+SDNode *SelectionDAG::getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT1,
+ MVT VT2, SDValue Op1) {
const MVT *VTs = getNodeValueTypes(VT1, VT2);
- return getNode(~Opcode, VTs, 2, &Op1, 1).Val;
+ return getNode(~Opcode, dl, VTs, 2, &Op1, 1).getNode();
}
+
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT1,
- MVT VT2, SDOperand Op1,
- SDOperand Op2) {
+ MVT VT2, SDValue Op1,
+ SDValue Op2) {
+ const MVT *VTs = getNodeValueTypes(VT1, VT2);
+ SDValue Ops[] = { Op1, Op2 };
+ return getNode(~Opcode, VTs, 2, Ops, 2).getNode();
+}
+SDNode *SelectionDAG::getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT1,
+ MVT VT2, SDValue Op1,
+ SDValue Op2) {
const MVT *VTs = getNodeValueTypes(VT1, VT2);
- SDOperand Ops[] = { Op1, Op2 };
- return getNode(~Opcode, VTs, 2, Ops, 2).Val;
+ SDValue Ops[] = { Op1, Op2 };
+ return getNode(~Opcode, dl, VTs, 2, Ops, 2).getNode();
}
+
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT1,
- MVT VT2, SDOperand Op1,
- SDOperand Op2, SDOperand Op3) {
+ MVT VT2, SDValue Op1,
+ SDValue Op2, SDValue Op3) {
+ const MVT *VTs = getNodeValueTypes(VT1, VT2);
+ SDValue Ops[] = { Op1, Op2, Op3 };
+ return getNode(~Opcode, VTs, 2, Ops, 3).getNode();
+}
+SDNode *SelectionDAG::getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT1,
+ MVT VT2, SDValue Op1,
+ SDValue Op2, SDValue Op3) {
const MVT *VTs = getNodeValueTypes(VT1, VT2);
- SDOperand Ops[] = { Op1, Op2, Op3 };
- return getNode(~Opcode, VTs, 2, Ops, 3).Val;
+ SDValue Ops[] = { Op1, Op2, Op3 };
+ return getNode(~Opcode, dl, VTs, 2, Ops, 3).getNode();
}
+
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT1, MVT VT2,
- const SDOperand *Ops, unsigned NumOps) {
+ const SDValue *Ops, unsigned NumOps) {
+ const MVT *VTs = getNodeValueTypes(VT1, VT2);
+ return getNode(~Opcode, VTs, 2, Ops, NumOps).getNode();
+}
+SDNode *SelectionDAG::getTargetNode(unsigned Opcode, DebugLoc dl,
+ MVT VT1, MVT VT2,
+ const SDValue *Ops, unsigned NumOps) {
const MVT *VTs = getNodeValueTypes(VT1, VT2);
- return getNode(~Opcode, VTs, 2, Ops, NumOps).Val;
+ return getNode(~Opcode, dl, VTs, 2, Ops, NumOps).getNode();
}
+
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT1, MVT VT2, MVT VT3,
- SDOperand Op1, SDOperand Op2) {
+ SDValue Op1, SDValue Op2) {
+ const MVT *VTs = getNodeValueTypes(VT1, VT2, VT3);
+ SDValue Ops[] = { Op1, Op2 };
+ return getNode(~Opcode, VTs, 3, Ops, 2).getNode();
+}
+SDNode *SelectionDAG::getTargetNode(unsigned Opcode, DebugLoc dl,
+ MVT VT1, MVT VT2, MVT VT3,
+ SDValue Op1, SDValue Op2) {
const MVT *VTs = getNodeValueTypes(VT1, VT2, VT3);
- SDOperand Ops[] = { Op1, Op2 };
- return getNode(~Opcode, VTs, 3, Ops, 2).Val;
+ SDValue Ops[] = { Op1, Op2 };
+ return getNode(~Opcode, dl, VTs, 3, Ops, 2).getNode();
}
+
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT1, MVT VT2, MVT VT3,
- SDOperand Op1, SDOperand Op2,
- SDOperand Op3) {
+ SDValue Op1, SDValue Op2,
+ SDValue Op3) {
+ const MVT *VTs = getNodeValueTypes(VT1, VT2, VT3);
+ SDValue Ops[] = { Op1, Op2, Op3 };
+ return getNode(~Opcode, VTs, 3, Ops, 3).getNode();
+}
+SDNode *SelectionDAG::getTargetNode(unsigned Opcode, DebugLoc dl,
+ MVT VT1, MVT VT2, MVT VT3,
+ SDValue Op1, SDValue Op2,
+ SDValue Op3) {
const MVT *VTs = getNodeValueTypes(VT1, VT2, VT3);
- SDOperand Ops[] = { Op1, Op2, Op3 };
- return getNode(~Opcode, VTs, 3, Ops, 3).Val;
+ SDValue Ops[] = { Op1, Op2, Op3 };
+ return getNode(~Opcode, dl, VTs, 3, Ops, 3).getNode();
}
+
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT1, MVT VT2, MVT VT3,
- const SDOperand *Ops, unsigned NumOps) {
+ const SDValue *Ops, unsigned NumOps) {
const MVT *VTs = getNodeValueTypes(VT1, VT2, VT3);
- return getNode(~Opcode, VTs, 3, Ops, NumOps).Val;
+ return getNode(~Opcode, VTs, 3, Ops, NumOps).getNode();
}
+SDNode *SelectionDAG::getTargetNode(unsigned Opcode, DebugLoc dl,
+ MVT VT1, MVT VT2, MVT VT3,
+ const SDValue *Ops, unsigned NumOps) {
+ const MVT *VTs = getNodeValueTypes(VT1, VT2, VT3);
+ return getNode(~Opcode, VTs, 3, Ops, NumOps).getNode();
+}
+
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT1,
MVT VT2, MVT VT3, MVT VT4,
- const SDOperand *Ops, unsigned NumOps) {
+ const SDValue *Ops, unsigned NumOps) {
std::vector<MVT> VTList;
VTList.push_back(VT1);
VTList.push_back(VT2);
VTList.push_back(VT3);
VTList.push_back(VT4);
const MVT *VTs = getNodeValueTypes(VTList);
- return getNode(~Opcode, VTs, 4, Ops, NumOps).Val;
+ return getNode(~Opcode, VTs, 4, Ops, NumOps).getNode();
}
+SDNode *SelectionDAG::getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT1,
+ MVT VT2, MVT VT3, MVT VT4,
+ const SDValue *Ops, unsigned NumOps) {
+ std::vector<MVT> VTList;
+ VTList.push_back(VT1);
+ VTList.push_back(VT2);
+ VTList.push_back(VT3);
+ VTList.push_back(VT4);
+ const MVT *VTs = getNodeValueTypes(VTList);
+ return getNode(~Opcode, dl, VTs, 4, Ops, NumOps).getNode();
+}
+
SDNode *SelectionDAG::getTargetNode(unsigned Opcode,
const std::vector<MVT> &ResultTys,
- const SDOperand *Ops, unsigned NumOps) {
+ const SDValue *Ops, unsigned NumOps) {
const MVT *VTs = getNodeValueTypes(ResultTys);
return getNode(~Opcode, VTs, ResultTys.size(),
- Ops, NumOps).Val;
+ Ops, NumOps).getNode();
+}
+SDNode *SelectionDAG::getTargetNode(unsigned Opcode, DebugLoc dl,
+ const std::vector<MVT> &ResultTys,
+ const SDValue *Ops, unsigned NumOps) {
+ const MVT *VTs = getNodeValueTypes(ResultTys);
+ return getNode(~Opcode, dl, VTs, ResultTys.size(),
+ Ops, NumOps).getNode();
}
/// getNodeIfExists - Get the specified node if it's already available, or
/// else return NULL.
SDNode *SelectionDAG::getNodeIfExists(unsigned Opcode, SDVTList VTList,
- const SDOperand *Ops, unsigned NumOps) {
+ const SDValue *Ops, unsigned NumOps) {
if (VTList.VTs[VTList.NumVTs-1] != MVT::Flag) {
FoldingSetNodeID ID;
AddNodeIDNode(ID, Opcode, VTList, Ops, NumOps);
return NULL;
}
-
/// ReplaceAllUsesWith - Modify anything using 'From' to use 'To' instead.
/// This can cause recursive merging of nodes in the DAG.
///
/// This version assumes From has a single result value.
///
-void SelectionDAG::ReplaceAllUsesWith(SDOperand FromN, SDOperand To,
+void SelectionDAG::ReplaceAllUsesWith(SDValue FromN, SDValue To,
DAGUpdateListener *UpdateListener) {
- SDNode *From = FromN.Val;
- assert(From->getNumValues() == 1 && FromN.ResNo == 0 &&
+ SDNode *From = FromN.getNode();
+ assert(From->getNumValues() == 1 && FromN.getResNo() == 0 &&
"Cannot replace with this method!");
- assert(From != To.Val && "Cannot replace uses of with self");
-
- while (!From->use_empty()) {
- SDNode::use_iterator UI = From->use_begin();
- SDNode *U = *UI;
+ assert(From != To.getNode() && "Cannot replace uses of with self");
+
+ // Iterate over all the existing uses of From. New uses will be added
+ // to the beginning of the use list, which we avoid visiting.
+ // This specifically avoids visiting uses of From that arise while the
+ // replacement is happening, because any such uses would be the result
+ // of CSE: If an existing node looks like From after one of its operands
+ // is replaced by To, we don't want to replace of all its users with To
+ // too. See PR3018 for more info.
+ SDNode::use_iterator UI = From->use_begin(), UE = From->use_end();
+ while (UI != UE) {
+ SDNode *User = *UI;
// This node is about to morph, remove its old self from the CSE maps.
- RemoveNodeFromCSEMaps(U);
- int operandNum = 0;
- for (SDNode::op_iterator I = U->op_begin(), E = U->op_end();
- I != E; ++I, ++operandNum)
- if (I->getVal() == From) {
- From->removeUser(operandNum, U);
- *I = To;
- I->setUser(U);
- To.Val->addUser(operandNum, U);
- }
-
- // Now that we have modified U, add it back to the CSE maps. If it already
- // exists there, recursively merge the results together.
- if (SDNode *Existing = AddNonLeafNodeToCSEMaps(U)) {
- ReplaceAllUsesWith(U, Existing, UpdateListener);
- // U is now dead. Inform the listener if it exists and delete it.
- if (UpdateListener)
- UpdateListener->NodeDeleted(U, Existing);
- DeleteNodeNotInCSEMaps(U);
- } else {
- // If the node doesn't already exist, we updated it. Inform a listener if
- // it exists.
- if (UpdateListener)
- UpdateListener->NodeUpdated(U);
- }
+ RemoveNodeFromCSEMaps(User);
+
+ // A user can appear in a use list multiple times, and when this
+ // happens the uses are usually next to each other in the list.
+ // To help reduce the number of CSE recomputations, process all
+ // the uses of this user that we can find this way.
+ do {
+ SDUse &Use = UI.getUse();
+ ++UI;
+ Use.set(To);
+ } while (UI != UE && *UI == User);
+
+ // Now that we have modified User, add it back to the CSE maps. If it
+ // already exists there, recursively merge the results together.
+ AddModifiedNodeToCSEMaps(User, UpdateListener);
}
}
if (From == To)
return;
- while (!From->use_empty()) {
- SDNode::use_iterator UI = From->use_begin();
- SDNode *U = *UI;
+ // Iterate over just the existing users of From. See the comments in
+ // the ReplaceAllUsesWith above.
+ SDNode::use_iterator UI = From->use_begin(), UE = From->use_end();
+ while (UI != UE) {
+ SDNode *User = *UI;
// This node is about to morph, remove its old self from the CSE maps.
- RemoveNodeFromCSEMaps(U);
- int operandNum = 0;
- for (SDNode::op_iterator I = U->op_begin(), E = U->op_end();
- I != E; ++I, ++operandNum)
- if (I->getVal() == From) {
- From->removeUser(operandNum, U);
- I->getVal() = To;
- To->addUser(operandNum, U);
- }
+ RemoveNodeFromCSEMaps(User);
- // Now that we have modified U, add it back to the CSE maps. If it already
- // exists there, recursively merge the results together.
- if (SDNode *Existing = AddNonLeafNodeToCSEMaps(U)) {
- ReplaceAllUsesWith(U, Existing, UpdateListener);
- // U is now dead. Inform the listener if it exists and delete it.
- if (UpdateListener)
- UpdateListener->NodeDeleted(U, Existing);
- DeleteNodeNotInCSEMaps(U);
- } else {
- // If the node doesn't already exist, we updated it. Inform a listener if
- // it exists.
- if (UpdateListener)
- UpdateListener->NodeUpdated(U);
- }
+ // A user can appear in a use list multiple times, and when this
+ // happens the uses are usually next to each other in the list.
+ // To help reduce the number of CSE recomputations, process all
+ // the uses of this user that we can find this way.
+ do {
+ SDUse &Use = UI.getUse();
+ ++UI;
+ Use.setNode(To);
+ } while (UI != UE && *UI == User);
+
+ // Now that we have modified User, add it back to the CSE maps. If it
+ // already exists there, recursively merge the results together.
+ AddModifiedNodeToCSEMaps(User, UpdateListener);
}
}
/// This version can replace From with any result values. To must match the
/// number and types of values returned by From.
void SelectionDAG::ReplaceAllUsesWith(SDNode *From,
- const SDOperand *To,
+ const SDValue *To,
DAGUpdateListener *UpdateListener) {
if (From->getNumValues() == 1) // Handle the simple case efficiently.
- return ReplaceAllUsesWith(SDOperand(From, 0), To[0], UpdateListener);
+ return ReplaceAllUsesWith(SDValue(From, 0), To[0], UpdateListener);
- while (!From->use_empty()) {
- SDNode::use_iterator UI = From->use_begin();
- SDNode *U = *UI;
+ // Iterate over just the existing users of From. See the comments in
+ // the ReplaceAllUsesWith above.
+ SDNode::use_iterator UI = From->use_begin(), UE = From->use_end();
+ while (UI != UE) {
+ SDNode *User = *UI;
// This node is about to morph, remove its old self from the CSE maps.
- RemoveNodeFromCSEMaps(U);
- int operandNum = 0;
- for (SDNode::op_iterator I = U->op_begin(), E = U->op_end();
- I != E; ++I, ++operandNum)
- if (I->getVal() == From) {
- const SDOperand &ToOp = To[I->getSDOperand().ResNo];
- From->removeUser(operandNum, U);
- *I = ToOp;
- I->setUser(U);
- ToOp.Val->addUser(operandNum, U);
- }
+ RemoveNodeFromCSEMaps(User);
- // Now that we have modified U, add it back to the CSE maps. If it already
- // exists there, recursively merge the results together.
- if (SDNode *Existing = AddNonLeafNodeToCSEMaps(U)) {
- ReplaceAllUsesWith(U, Existing, UpdateListener);
- // U is now dead. Inform the listener if it exists and delete it.
- if (UpdateListener)
- UpdateListener->NodeDeleted(U, Existing);
- DeleteNodeNotInCSEMaps(U);
- } else {
- // If the node doesn't already exist, we updated it. Inform a listener if
- // it exists.
- if (UpdateListener)
- UpdateListener->NodeUpdated(U);
- }
+ // A user can appear in a use list multiple times, and when this
+ // happens the uses are usually next to each other in the list.
+ // To help reduce the number of CSE recomputations, process all
+ // the uses of this user that we can find this way.
+ do {
+ SDUse &Use = UI.getUse();
+ const SDValue &ToOp = To[Use.getResNo()];
+ ++UI;
+ Use.set(ToOp);
+ } while (UI != UE && *UI == User);
+
+ // Now that we have modified User, add it back to the CSE maps. If it
+ // already exists there, recursively merge the results together.
+ AddModifiedNodeToCSEMaps(User, UpdateListener);
}
}
/// ReplaceAllUsesOfValueWith - Replace any uses of From with To, leaving
-/// uses of other values produced by From.Val alone. The Deleted vector is
-/// handled the same way as for ReplaceAllUsesWith.
-void SelectionDAG::ReplaceAllUsesOfValueWith(SDOperand From, SDOperand To,
+/// uses of other values produced by From.getNode() alone. The Deleted
+/// vector is handled the same way as for ReplaceAllUsesWith.
+void SelectionDAG::ReplaceAllUsesOfValueWith(SDValue From, SDValue To,
DAGUpdateListener *UpdateListener){
// Handle the really simple, really trivial case efficiently.
if (From == To) return;
// Handle the simple, trivial, case efficiently.
- if (From.Val->getNumValues() == 1) {
+ if (From.getNode()->getNumValues() == 1) {
ReplaceAllUsesWith(From, To, UpdateListener);
return;
}
- // Get all of the users of From.Val. We want these in a nice,
- // deterministically ordered and uniqued set, so we use a SmallSetVector.
- SmallSetVector<SDNode*, 16> Users(From.Val->use_begin(), From.Val->use_end());
+ // Iterate over just the existing users of From. See the comments in
+ // the ReplaceAllUsesWith above.
+ SDNode::use_iterator UI = From.getNode()->use_begin(),
+ UE = From.getNode()->use_end();
+ while (UI != UE) {
+ SDNode *User = *UI;
+ bool UserRemovedFromCSEMaps = false;
+
+ // A user can appear in a use list multiple times, and when this
+ // happens the uses are usually next to each other in the list.
+ // To help reduce the number of CSE recomputations, process all
+ // the uses of this user that we can find this way.
+ do {
+ SDUse &Use = UI.getUse();
+
+ // Skip uses of different values from the same node.
+ if (Use.getResNo() != From.getResNo()) {
+ ++UI;
+ continue;
+ }
- while (!Users.empty()) {
- // We know that this user uses some value of From. If it is the right
- // value, update it.
- SDNode *User = Users.back();
- Users.pop_back();
-
- // Scan for an operand that matches From.
- SDNode::op_iterator Op = User->op_begin(), E = User->op_end();
- for (; Op != E; ++Op)
- if (*Op == From) break;
-
- // If there are no matches, the user must use some other result of From.
- if (Op == E) continue;
-
- // Okay, we know this user needs to be updated. Remove its old self
- // from the CSE maps.
- RemoveNodeFromCSEMaps(User);
-
- // Update all operands that match "From" in case there are multiple uses.
- for (; Op != E; ++Op) {
- if (*Op == From) {
- From.Val->removeUser(Op-User->op_begin(), User);
- *Op = To;
- Op->setUser(User);
- To.Val->addUser(Op-User->op_begin(), User);
+ // If this node hasn't been modified yet, it's still in the CSE maps,
+ // so remove its old self from the CSE maps.
+ if (!UserRemovedFromCSEMaps) {
+ RemoveNodeFromCSEMaps(User);
+ UserRemovedFromCSEMaps = true;
}
- }
-
+
+ ++UI;
+ Use.set(To);
+ } while (UI != UE && *UI == User);
+
+ // We are iterating over all uses of the From node, so if a use
+ // doesn't use the specific value, no changes are made.
+ if (!UserRemovedFromCSEMaps)
+ continue;
+
// Now that we have modified User, add it back to the CSE maps. If it
// already exists there, recursively merge the results together.
- SDNode *Existing = AddNonLeafNodeToCSEMaps(User);
- if (!Existing) {
- if (UpdateListener) UpdateListener->NodeUpdated(User);
- continue; // Continue on to next user.
- }
-
- // If there was already an existing matching node, use ReplaceAllUsesWith
- // to replace the dead one with the existing one. This can cause
- // recursive merging of other unrelated nodes down the line.
- ReplaceAllUsesWith(User, Existing, UpdateListener);
-
- // User is now dead. Notify a listener if present.
- if (UpdateListener) UpdateListener->NodeDeleted(User, Existing);
- DeleteNodeNotInCSEMaps(User);
+ AddModifiedNodeToCSEMaps(User, UpdateListener);
+ }
+}
+
+namespace {
+ /// UseMemo - This class is used by SelectionDAG::ReplaceAllUsesOfValuesWith
+ /// to record information about a use.
+ struct UseMemo {
+ SDNode *User;
+ unsigned Index;
+ SDUse *Use;
+ };
+
+ /// operator< - Sort Memos by User.
+ bool operator<(const UseMemo &L, const UseMemo &R) {
+ return (intptr_t)L.User < (intptr_t)R.User;
}
}
/// ReplaceAllUsesOfValuesWith - Replace any uses of From with To, leaving
-/// uses of other values produced by From.Val alone. The same value may
-/// appear in both the From and To list. The Deleted vector is
+/// uses of other values produced by From.getNode() alone. The same value
+/// may appear in both the From and To list. The Deleted vector is
/// handled the same way as for ReplaceAllUsesWith.
-void SelectionDAG::ReplaceAllUsesOfValuesWith(const SDOperand *From,
- const SDOperand *To,
+void SelectionDAG::ReplaceAllUsesOfValuesWith(const SDValue *From,
+ const SDValue *To,
unsigned Num,
DAGUpdateListener *UpdateListener){
// Handle the simple, trivial case efficiently.
if (Num == 1)
return ReplaceAllUsesOfValueWith(*From, *To, UpdateListener);
- SmallVector<std::pair<SDNode *, unsigned>, 16> Users;
- for (unsigned i = 0; i != Num; ++i)
- for (SDNode::use_iterator UI = From[i].Val->use_begin(),
- E = From[i].Val->use_end(); UI != E; ++UI)
- Users.push_back(std::make_pair(*UI, i));
+ // Read up all the uses and make records of them. This helps
+ // processing new uses that are introduced during the
+ // replacement process.
+ SmallVector<UseMemo, 4> Uses;
+ for (unsigned i = 0; i != Num; ++i) {
+ unsigned FromResNo = From[i].getResNo();
+ SDNode *FromNode = From[i].getNode();
+ for (SDNode::use_iterator UI = FromNode->use_begin(),
+ E = FromNode->use_end(); UI != E; ++UI) {
+ SDUse &Use = UI.getUse();
+ if (Use.getResNo() == FromResNo) {
+ UseMemo Memo = { *UI, i, &Use };
+ Uses.push_back(Memo);
+ }
+ }
+ }
- while (!Users.empty()) {
+ // Sort the uses, so that all the uses from a given User are together.
+ std::sort(Uses.begin(), Uses.end());
+
+ for (unsigned UseIndex = 0, UseIndexEnd = Uses.size();
+ UseIndex != UseIndexEnd; ) {
// We know that this user uses some value of From. If it is the right
// value, update it.
- SDNode *User = Users.back().first;
- unsigned i = Users.back().second;
- Users.pop_back();
-
- // Scan for an operand that matches From.
- SDNode::op_iterator Op = User->op_begin(), E = User->op_end();
- for (; Op != E; ++Op)
- if (*Op == From[i]) break;
-
- // If there are no matches, the user must use some other result of From.
- if (Op == E) continue;
-
- // Okay, we know this user needs to be updated. Remove its old self
- // from the CSE maps.
+ SDNode *User = Uses[UseIndex].User;
+
+ // This node is about to morph, remove its old self from the CSE maps.
RemoveNodeFromCSEMaps(User);
-
- // Update all operands that match "From" in case there are multiple uses.
- for (; Op != E; ++Op) {
- if (*Op == From[i]) {
- From[i].Val->removeUser(Op-User->op_begin(), User);
- *Op = To[i];
- Op->setUser(User);
- To[i].Val->addUser(Op-User->op_begin(), User);
- }
- }
-
+
+ // The Uses array is sorted, so all the uses for a given User
+ // are next to each other in the list.
+ // To help reduce the number of CSE recomputations, process all
+ // the uses of this user that we can find this way.
+ do {
+ unsigned i = Uses[UseIndex].Index;
+ SDUse &Use = *Uses[UseIndex].Use;
+ ++UseIndex;
+
+ Use.set(To[i]);
+ } while (UseIndex != UseIndexEnd && Uses[UseIndex].User == User);
+
// Now that we have modified User, add it back to the CSE maps. If it
// already exists there, recursively merge the results together.
- SDNode *Existing = AddNonLeafNodeToCSEMaps(User);
- if (!Existing) {
- if (UpdateListener) UpdateListener->NodeUpdated(User);
- continue; // Continue on to next user.
- }
-
- // If there was already an existing matching node, use ReplaceAllUsesWith
- // to replace the dead one with the existing one. This can cause
- // recursive merging of other unrelated nodes down the line.
- ReplaceAllUsesWith(User, Existing, UpdateListener);
-
- // User is now dead. Notify a listener if present.
- if (UpdateListener) UpdateListener->NodeDeleted(User, Existing);
- DeleteNodeNotInCSEMaps(User);
+ AddModifiedNodeToCSEMaps(User, UpdateListener);
}
}
/// AssignTopologicalOrder - Assign a unique node id for each node in the DAG
/// based on their topological order. It returns the maximum id and a vector
/// of the SDNodes* in assigned order by reference.
-unsigned SelectionDAG::AssignTopologicalOrder(std::vector<SDNode*> &TopOrder) {
- unsigned DAGSize = AllNodes.size();
- std::vector<unsigned> InDegree(DAGSize);
- std::vector<SDNode*> Sources;
-
- // Use a two pass approach to avoid using a std::map which is slow.
- unsigned Id = 0;
- for (allnodes_iterator I = allnodes_begin(),E = allnodes_end(); I != E; ++I){
- SDNode *N = I;
- N->setNodeId(Id++);
- unsigned Degree = N->use_size();
- InDegree[N->getNodeId()] = Degree;
- if (Degree == 0)
- Sources.push_back(N);
- }
-
- TopOrder.clear();
- TopOrder.reserve(DAGSize);
- while (!Sources.empty()) {
- SDNode *N = Sources.back();
- Sources.pop_back();
- TopOrder.push_back(N);
- for (SDNode::op_iterator I = N->op_begin(), E = N->op_end(); I != E; ++I) {
- SDNode *P = I->getVal();
- unsigned Degree = --InDegree[P->getNodeId()];
- if (Degree == 0)
- Sources.push_back(P);
+unsigned SelectionDAG::AssignTopologicalOrder() {
+
+ unsigned DAGSize = 0;
+
+ // SortedPos tracks the progress of the algorithm. Nodes before it are
+ // sorted, nodes after it are unsorted. When the algorithm completes
+ // it is at the end of the list.
+ allnodes_iterator SortedPos = allnodes_begin();
+
+ // Visit all the nodes. Move nodes with no operands to the front of
+ // the list immediately. Annotate nodes that do have operands with their
+ // operand count. Before we do this, the Node Id fields of the nodes
+ // may contain arbitrary values. After, the Node Id fields for nodes
+ // before SortedPos will contain the topological sort index, and the
+ // Node Id fields for nodes At SortedPos and after will contain the
+ // count of outstanding operands.
+ for (allnodes_iterator I = allnodes_begin(),E = allnodes_end(); I != E; ) {
+ SDNode *N = I++;
+ unsigned Degree = N->getNumOperands();
+ if (Degree == 0) {
+ // A node with no uses, add it to the result array immediately.
+ N->setNodeId(DAGSize++);
+ allnodes_iterator Q = N;
+ if (Q != SortedPos)
+ SortedPos = AllNodes.insert(SortedPos, AllNodes.remove(Q));
+ ++SortedPos;
+ } else {
+ // Temporarily use the Node Id as scratch space for the degree count.
+ N->setNodeId(Degree);
}
}
- // Second pass, assign the actual topological order as node ids.
- Id = 0;
- for (std::vector<SDNode*>::iterator TI = TopOrder.begin(),TE = TopOrder.end();
- TI != TE; ++TI)
- (*TI)->setNodeId(Id++);
+ // Visit all the nodes. As we iterate, moves nodes into sorted order,
+ // such that by the time the end is reached all nodes will be sorted.
+ for (allnodes_iterator I = allnodes_begin(),E = allnodes_end(); I != E; ++I) {
+ SDNode *N = I;
+ for (SDNode::use_iterator UI = N->use_begin(), UE = N->use_end();
+ UI != UE; ++UI) {
+ SDNode *P = *UI;
+ unsigned Degree = P->getNodeId();
+ --Degree;
+ if (Degree == 0) {
+ // All of P's operands are sorted, so P may sorted now.
+ P->setNodeId(DAGSize++);
+ if (P != SortedPos)
+ SortedPos = AllNodes.insert(SortedPos, AllNodes.remove(P));
+ ++SortedPos;
+ } else {
+ // Update P's outstanding operand count.
+ P->setNodeId(Degree);
+ }
+ }
+ }
- return Id;
+ assert(SortedPos == AllNodes.end() &&
+ "Topological sort incomplete!");
+ assert(AllNodes.front().getOpcode() == ISD::EntryToken &&
+ "First node in topological sort is not the entry token!");
+ assert(AllNodes.front().getNodeId() == 0 &&
+ "First node in topological sort has non-zero id!");
+ assert(AllNodes.front().getNumOperands() == 0 &&
+ "First node in topological sort has operands!");
+ assert(AllNodes.back().getNodeId() == (int)DAGSize-1 &&
+ "Last node in topologic sort has unexpected id!");
+ assert(AllNodes.back().use_empty() &&
+ "Last node in topologic sort has users!");
+ assert(DAGSize == allnodes_size() && "Node count mismatch!");
+ return DAGSize;
}
// SDNode Class
//===----------------------------------------------------------------------===//
-// Out-of-line virtual method to give class a home.
-void SDNode::ANCHOR() {}
-void UnarySDNode::ANCHOR() {}
-void BinarySDNode::ANCHOR() {}
-void TernarySDNode::ANCHOR() {}
-void HandleSDNode::ANCHOR() {}
-void ConstantSDNode::ANCHOR() {}
-void ConstantFPSDNode::ANCHOR() {}
-void GlobalAddressSDNode::ANCHOR() {}
-void FrameIndexSDNode::ANCHOR() {}
-void JumpTableSDNode::ANCHOR() {}
-void ConstantPoolSDNode::ANCHOR() {}
-void BasicBlockSDNode::ANCHOR() {}
-void SrcValueSDNode::ANCHOR() {}
-void MemOperandSDNode::ANCHOR() {}
-void RegisterSDNode::ANCHOR() {}
-void DbgStopPointSDNode::ANCHOR() {}
-void LabelSDNode::ANCHOR() {}
-void ExternalSymbolSDNode::ANCHOR() {}
-void CondCodeSDNode::ANCHOR() {}
-void ARG_FLAGSSDNode::ANCHOR() {}
-void VTSDNode::ANCHOR() {}
-void MemSDNode::ANCHOR() {}
-void LoadSDNode::ANCHOR() {}
-void StoreSDNode::ANCHOR() {}
-void AtomicSDNode::ANCHOR() {}
-
HandleSDNode::~HandleSDNode() {
DropOperands();
}
GlobalAddressSDNode::GlobalAddressSDNode(bool isTarget, const GlobalValue *GA,
- MVT VT, int o)
+ MVT VT, int64_t o)
: SDNode(isa<GlobalVariable>(GA) &&
cast<GlobalVariable>(GA)->isThreadLocal() ?
// Thread Local
const Value *srcValue, int SVO,
unsigned alignment, bool vol)
: SDNode(Opc, VTs), MemoryVT(memvt), SrcValue(srcValue), SVOffset(SVO),
- Flags(vol | ((Log2_32(alignment) + 1) << 1)) {
+ Flags(encodeMemSDNodeFlags(vol, alignment)) {
+
+ assert(isPowerOf2_32(alignment) && "Alignment is not a power of 2!");
+ assert(getAlignment() == alignment && "Alignment representation error!");
+ assert(isVolatile() == vol && "Volatile representation error!");
+}
+MemSDNode::MemSDNode(unsigned Opc, SDVTList VTs, const SDValue *Ops,
+ unsigned NumOps, MVT memvt, const Value *srcValue,
+ int SVO, unsigned alignment, bool vol)
+ : SDNode(Opc, VTs, Ops, NumOps),
+ MemoryVT(memvt), SrcValue(srcValue), SVOffset(SVO),
+ Flags(vol | ((Log2_32(alignment) + 1) << 1)) {
+ assert(isPowerOf2_32(alignment) && "Alignment is not a power of 2!");
+ assert(getAlignment() == alignment && "Alignment representation error!");
+ assert(isVolatile() == vol && "Volatile representation error!");
+}
+
+MemSDNode::MemSDNode(unsigned Opc, DebugLoc dl, SDVTList VTs, MVT memvt,
+ const Value *srcValue, int SVO,
+ unsigned alignment, bool vol)
+ : SDNode(Opc, dl, VTs), MemoryVT(memvt), SrcValue(srcValue), SVOffset(SVO),
+ Flags(encodeMemSDNodeFlags(vol, alignment)) {
+
+ assert(isPowerOf2_32(alignment) && "Alignment is not a power of 2!");
+ assert(getAlignment() == alignment && "Alignment representation error!");
+ assert(isVolatile() == vol && "Volatile representation error!");
+}
+
+MemSDNode::MemSDNode(unsigned Opc, DebugLoc dl, SDVTList VTs,
+ const SDValue *Ops,
+ unsigned NumOps, MVT memvt, const Value *srcValue,
+ int SVO, unsigned alignment, bool vol)
+ : SDNode(Opc, dl, VTs, Ops, NumOps),
+ MemoryVT(memvt), SrcValue(srcValue), SVOffset(SVO),
+ Flags(vol | ((Log2_32(alignment) + 1) << 1)) {
assert(isPowerOf2_32(alignment) && "Alignment is not a power of 2!");
assert(getAlignment() == alignment && "Alignment representation error!");
assert(isVolatile() == vol && "Volatile representation error!");
/// getMemOperand - Return a MachineMemOperand object describing the memory
/// reference performed by this memory reference.
MachineMemOperand MemSDNode::getMemOperand() const {
- int Flags;
+ int Flags = 0;
if (isa<LoadSDNode>(this))
Flags = MachineMemOperand::MOLoad;
else if (isa<StoreSDNode>(this))
Flags = MachineMemOperand::MOStore;
- else {
- assert(isa<AtomicSDNode>(this) && "Unknown MemSDNode opcode!");
+ else if (isa<AtomicSDNode>(this)) {
Flags = MachineMemOperand::MOLoad | MachineMemOperand::MOStore;
}
+ else {
+ const MemIntrinsicSDNode* MemIntrinNode = dyn_cast<MemIntrinsicSDNode>(this);
+ assert(MemIntrinNode && "Unknown MemSDNode opcode!");
+ if (MemIntrinNode->readMem()) Flags |= MachineMemOperand::MOLoad;
+ if (MemIntrinNode->writeMem()) Flags |= MachineMemOperand::MOStore;
+ }
int Size = (getMemoryVT().getSizeInBits() + 7) >> 3;
if (isVolatile()) Flags |= MachineMemOperand::MOVolatile;
// Check if the memory reference references a frame index
const FrameIndexSDNode *FI =
- dyn_cast<const FrameIndexSDNode>(getBasePtr().Val);
+ dyn_cast<const FrameIndexSDNode>(getBasePtr().getNode());
if (!getSrcValue() && FI)
return MachineMemOperand(PseudoSourceValue::getFixedStack(FI->getIndex()),
Flags, 0, Size, getAlignment());
/// Profile - Gather unique data for the node.
///
-void SDNode::Profile(FoldingSetNodeID &ID) {
+void SDNode::Profile(FoldingSetNodeID &ID) const {
AddNodeIDNode(ID, this);
}
// TODO: Only iterate over uses of a given value of the node
for (SDNode::use_iterator UI = use_begin(), E = use_end(); UI != E; ++UI) {
- if (UI.getUse().getSDOperand().ResNo == Value) {
+ if (UI.getUse().getResNo() == Value) {
if (NUses == 0)
return false;
--NUses;
assert(Value < getNumValues() && "Bad value!");
for (SDNode::use_iterator UI = use_begin(), E = use_end(); UI != E; ++UI)
- if (UI.getUse().getSDOperand().ResNo == Value)
+ if (UI.getUse().getResNo() == Value)
return true;
return false;
/// isOperand - Return true if this node is an operand of N.
///
-bool SDOperand::isOperandOf(SDNode *N) const {
+bool SDValue::isOperandOf(SDNode *N) const {
for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i)
if (*this == N->getOperand(i))
return true;
bool SDNode::isOperandOf(SDNode *N) const {
for (unsigned i = 0, e = N->NumOperands; i != e; ++i)
- if (this == N->OperandList[i].getVal())
+ if (this == N->OperandList[i].getNode())
return true;
return false;
}
/// side-effecting instructions. In practice, this looks through token
/// factors and non-volatile loads. In order to remain efficient, this only
/// looks a couple of nodes in, it does not do an exhaustive search.
-bool SDOperand::reachesChainWithoutSideEffects(SDOperand Dest,
+bool SDValue::reachesChainWithoutSideEffects(SDValue Dest,
unsigned Depth) const {
if (*this == Dest) return true;
return;
for (unsigned i = 0, e = N->getNumOperands(); !found && i != e; ++i) {
- SDNode *Op = N->getOperand(i).Val;
+ SDNode *Op = N->getOperand(i).getNode();
if (Op == P) {
found = true;
return;
uint64_t SDNode::getConstantOperandVal(unsigned Num) const {
assert(Num < NumOperands && "Invalid child # of SDNode!");
- return cast<ConstantSDNode>(OperandList[Num])->getValue();
+ return cast<ConstantSDNode>(OperandList[Num])->getZExtValue();
}
std::string SDNode::getOperationName(const SelectionDAG *G) const {
return "<<Unknown Machine Node>>";
}
if (G) {
- TargetLowering &TLI = G->getTargetLoweringInfo();
+ const TargetLowering &TLI = G->getTargetLoweringInfo();
const char *Name = TLI.getTargetNodeName(getOpcode());
if (Name) return Name;
return "<<Unknown Target Node>>";
#endif
case ISD::PREFETCH: return "Prefetch";
case ISD::MEMBARRIER: return "MemBarrier";
- case ISD::ATOMIC_CMP_SWAP: return "AtomicCmpSwap";
- case ISD::ATOMIC_LOAD_ADD: return "AtomicLoadAdd";
- case ISD::ATOMIC_LOAD_SUB: return "AtomicLoadSub";
- case ISD::ATOMIC_LOAD_AND: return "AtomicLoadAnd";
- case ISD::ATOMIC_LOAD_OR: return "AtomicLoadOr";
- case ISD::ATOMIC_LOAD_XOR: return "AtomicLoadXor";
- case ISD::ATOMIC_LOAD_NAND: return "AtomicLoadNand";
- case ISD::ATOMIC_LOAD_MIN: return "AtomicLoadMin";
- case ISD::ATOMIC_LOAD_MAX: return "AtomicLoadMax";
- case ISD::ATOMIC_LOAD_UMIN: return "AtomicLoadUMin";
- case ISD::ATOMIC_LOAD_UMAX: return "AtomicLoadUMax";
- case ISD::ATOMIC_SWAP: return "AtomicSWAP";
+ case ISD::ATOMIC_CMP_SWAP: return "AtomicCmpSwap";
+ case ISD::ATOMIC_SWAP: return "AtomicSwap";
+ case ISD::ATOMIC_LOAD_ADD: return "AtomicLoadAdd";
+ case ISD::ATOMIC_LOAD_SUB: return "AtomicLoadSub";
+ case ISD::ATOMIC_LOAD_AND: return "AtomicLoadAnd";
+ case ISD::ATOMIC_LOAD_OR: return "AtomicLoadOr";
+ case ISD::ATOMIC_LOAD_XOR: return "AtomicLoadXor";
+ case ISD::ATOMIC_LOAD_NAND: return "AtomicLoadNand";
+ case ISD::ATOMIC_LOAD_MIN: return "AtomicLoadMin";
+ case ISD::ATOMIC_LOAD_MAX: return "AtomicLoadMax";
+ case ISD::ATOMIC_LOAD_UMIN: return "AtomicLoadUMin";
+ case ISD::ATOMIC_LOAD_UMAX: return "AtomicLoadUMax";
case ISD::PCMARKER: return "PCMarker";
case ISD::READCYCLECOUNTER: return "ReadCycleCounter";
case ISD::SRCVALUE: return "SrcValue";
case ISD::ConstantPool: return "ConstantPool";
case ISD::ExternalSymbol: return "ExternalSymbol";
case ISD::INTRINSIC_WO_CHAIN: {
- unsigned IID = cast<ConstantSDNode>(getOperand(0))->getValue();
+ unsigned IID = cast<ConstantSDNode>(getOperand(0))->getZExtValue();
return Intrinsic::getName((Intrinsic::ID)IID);
}
case ISD::INTRINSIC_VOID:
case ISD::INTRINSIC_W_CHAIN: {
- unsigned IID = cast<ConstantSDNode>(getOperand(1))->getValue();
+ unsigned IID = cast<ConstantSDNode>(getOperand(1))->getZExtValue();
return Intrinsic::getName((Intrinsic::ID)IID);
}
case ISD::FCOS: return "fcos";
case ISD::FPOWI: return "fpowi";
case ISD::FPOW: return "fpow";
+ case ISD::FTRUNC: return "ftrunc";
+ case ISD::FFLOOR: return "ffloor";
+ case ISD::FCEIL: return "fceil";
+ case ISD::FRINT: return "frint";
+ case ISD::FNEARBYINT: return "fnearbyint";
// Binary operators
case ISD::ADD: return "add";
case ISD::SMUL_LOHI: return "smul_lohi";
case ISD::UMUL_LOHI: return "umul_lohi";
case ISD::SDIVREM: return "sdivrem";
- case ISD::UDIVREM: return "divrem";
+ case ISD::UDIVREM: return "udivrem";
case ISD::AND: return "and";
case ISD::OR: return "or";
case ISD::XOR: return "xor";
case ISD::CARRY_FALSE: return "carry_false";
case ISD::ADDC: return "addc";
case ISD::ADDE: return "adde";
+ case ISD::SADDO: return "saddo";
+ case ISD::UADDO: return "uaddo";
+ case ISD::SSUBO: return "ssubo";
+ case ISD::USUBO: return "usubo";
+ case ISD::SMULO: return "smulo";
+ case ISD::UMULO: return "umulo";
case ISD::SUBC: return "subc";
case ISD::SUBE: return "sube";
case ISD::SHL_PARTS: return "shl_parts";
case ISD::FP_TO_SINT: return "fp_to_sint";
case ISD::FP_TO_UINT: return "fp_to_uint";
case ISD::BIT_CONVERT: return "bit_convert";
+
+ case ISD::CONVERT_RNDSAT: {
+ switch (cast<CvtRndSatSDNode>(this)->getCvtCode()) {
+ default: assert(0 && "Unknown cvt code!");
+ case ISD::CVT_FF: return "cvt_ff";
+ case ISD::CVT_FS: return "cvt_fs";
+ case ISD::CVT_FU: return "cvt_fu";
+ case ISD::CVT_SF: return "cvt_sf";
+ case ISD::CVT_UF: return "cvt_uf";
+ case ISD::CVT_SS: return "cvt_ss";
+ case ISD::CVT_SU: return "cvt_su";
+ case ISD::CVT_US: return "cvt_us";
+ case ISD::CVT_UU: return "cvt_uu";
+ }
+ }
// Control flow instructions
case ISD::BR: return "br";
void SDNode::dump() const { dump(0); }
void SDNode::dump(const SelectionDAG *G) const {
- cerr << (void*)this << ": ";
+ print(errs(), G);
+ errs().flush();
+}
+
+void SDNode::print(raw_ostream &OS, const SelectionDAG *G) const {
+ OS << (void*)this << ": ";
for (unsigned i = 0, e = getNumValues(); i != e; ++i) {
- if (i) cerr << ",";
+ if (i) OS << ",";
if (getValueType(i) == MVT::Other)
- cerr << "ch";
+ OS << "ch";
else
- cerr << getValueType(i).getMVTString();
+ OS << getValueType(i).getMVTString();
}
- cerr << " = " << getOperationName(G);
+ OS << " = " << getOperationName(G);
- cerr << " ";
+ OS << " ";
for (unsigned i = 0, e = getNumOperands(); i != e; ++i) {
- if (i) cerr << ", ";
- cerr << (void*)getOperand(i).Val;
- if (unsigned RN = getOperand(i).ResNo)
- cerr << ":" << RN;
+ if (i) OS << ", ";
+ OS << (void*)getOperand(i).getNode();
+ if (unsigned RN = getOperand(i).getResNo())
+ OS << ":" << RN;
}
if (!isTargetOpcode() && getOpcode() == ISD::VECTOR_SHUFFLE) {
- SDNode *Mask = getOperand(2).Val;
- cerr << "<";
+ SDNode *Mask = getOperand(2).getNode();
+ OS << "<";
for (unsigned i = 0, e = Mask->getNumOperands(); i != e; ++i) {
- if (i) cerr << ",";
+ if (i) OS << ",";
if (Mask->getOperand(i).getOpcode() == ISD::UNDEF)
- cerr << "u";
+ OS << "u";
else
- cerr << cast<ConstantSDNode>(Mask->getOperand(i))->getValue();
+ OS << cast<ConstantSDNode>(Mask->getOperand(i))->getZExtValue();
}
- cerr << ">";
+ OS << ">";
}
if (const ConstantSDNode *CSDN = dyn_cast<ConstantSDNode>(this)) {
- cerr << "<" << CSDN->getAPIntValue().toStringUnsigned() << ">";
+ OS << '<' << CSDN->getAPIntValue() << '>';
} else if (const ConstantFPSDNode *CSDN = dyn_cast<ConstantFPSDNode>(this)) {
if (&CSDN->getValueAPF().getSemantics()==&APFloat::IEEEsingle)
- cerr << "<" << CSDN->getValueAPF().convertToFloat() << ">";
+ OS << '<' << CSDN->getValueAPF().convertToFloat() << '>';
else if (&CSDN->getValueAPF().getSemantics()==&APFloat::IEEEdouble)
- cerr << "<" << CSDN->getValueAPF().convertToDouble() << ">";
+ OS << '<' << CSDN->getValueAPF().convertToDouble() << '>';
else {
- CSDN->getValueAPF().convertToAPInt().dump();
- cerr << ")>";
+ CSDN->getValueAPF().bitcastToAPInt().dump();
+ OS << ")>";
}
} else if (const GlobalAddressSDNode *GADN =
dyn_cast<GlobalAddressSDNode>(this)) {
- int offset = GADN->getOffset();
- cerr << "<";
- WriteAsOperand(*cerr.stream(), GADN->getGlobal()) << ">";
+ int64_t offset = GADN->getOffset();
+ OS << '<';
+ WriteAsOperand(OS, GADN->getGlobal());
+ OS << '>';
if (offset > 0)
- cerr << " + " << offset;
+ OS << " + " << offset;
else
- cerr << " " << offset;
+ OS << " " << offset;
} else if (const FrameIndexSDNode *FIDN = dyn_cast<FrameIndexSDNode>(this)) {
- cerr << "<" << FIDN->getIndex() << ">";
+ OS << "<" << FIDN->getIndex() << ">";
} else if (const JumpTableSDNode *JTDN = dyn_cast<JumpTableSDNode>(this)) {
- cerr << "<" << JTDN->getIndex() << ">";
+ OS << "<" << JTDN->getIndex() << ">";
} else if (const ConstantPoolSDNode *CP = dyn_cast<ConstantPoolSDNode>(this)){
int offset = CP->getOffset();
if (CP->isMachineConstantPoolEntry())
- cerr << "<" << *CP->getMachineCPVal() << ">";
+ OS << "<" << *CP->getMachineCPVal() << ">";
else
- cerr << "<" << *CP->getConstVal() << ">";
+ OS << "<" << *CP->getConstVal() << ">";
if (offset > 0)
- cerr << " + " << offset;
+ OS << " + " << offset;
else
- cerr << " " << offset;
+ OS << " " << offset;
} else if (const BasicBlockSDNode *BBDN = dyn_cast<BasicBlockSDNode>(this)) {
- cerr << "<";
+ OS << "<";
const Value *LBB = (const Value*)BBDN->getBasicBlock()->getBasicBlock();
if (LBB)
- cerr << LBB->getName() << " ";
- cerr << (const void*)BBDN->getBasicBlock() << ">";
+ OS << LBB->getName() << " ";
+ OS << (const void*)BBDN->getBasicBlock() << ">";
} else if (const RegisterSDNode *R = dyn_cast<RegisterSDNode>(this)) {
if (G && R->getReg() &&
TargetRegisterInfo::isPhysicalRegister(R->getReg())) {
- cerr << " " << G->getTarget().getRegisterInfo()->getName(R->getReg());
+ OS << " " << G->getTarget().getRegisterInfo()->getName(R->getReg());
} else {
- cerr << " #" << R->getReg();
+ OS << " #" << R->getReg();
}
} else if (const ExternalSymbolSDNode *ES =
dyn_cast<ExternalSymbolSDNode>(this)) {
- cerr << "'" << ES->getSymbol() << "'";
+ OS << "'" << ES->getSymbol() << "'";
} else if (const SrcValueSDNode *M = dyn_cast<SrcValueSDNode>(this)) {
if (M->getValue())
- cerr << "<" << M->getValue() << ">";
+ OS << "<" << M->getValue() << ">";
else
- cerr << "<null>";
+ OS << "<null>";
} else if (const MemOperandSDNode *M = dyn_cast<MemOperandSDNode>(this)) {
if (M->MO.getValue())
- cerr << "<" << M->MO.getValue() << ":" << M->MO.getOffset() << ">";
+ OS << "<" << M->MO.getValue() << ":" << M->MO.getOffset() << ">";
else
- cerr << "<null:" << M->MO.getOffset() << ">";
+ OS << "<null:" << M->MO.getOffset() << ">";
} else if (const ARG_FLAGSSDNode *N = dyn_cast<ARG_FLAGSSDNode>(this)) {
- cerr << N->getArgFlags().getArgFlagsString();
+ OS << N->getArgFlags().getArgFlagsString();
} else if (const VTSDNode *N = dyn_cast<VTSDNode>(this)) {
- cerr << ":" << N->getVT().getMVTString();
+ OS << ":" << N->getVT().getMVTString();
}
else if (const LoadSDNode *LD = dyn_cast<LoadSDNode>(this)) {
const Value *SrcValue = LD->getSrcValue();
int SrcOffset = LD->getSrcValueOffset();
- cerr << " <";
+ OS << " <";
if (SrcValue)
- cerr << SrcValue;
+ OS << SrcValue;
else
- cerr << "null";
- cerr << ":" << SrcOffset << ">";
+ OS << "null";
+ OS << ":" << SrcOffset << ">";
bool doExt = true;
switch (LD->getExtensionType()) {
default: doExt = false; break;
- case ISD::EXTLOAD:
- cerr << " <anyext ";
- break;
- case ISD::SEXTLOAD:
- cerr << " <sext ";
- break;
- case ISD::ZEXTLOAD:
- cerr << " <zext ";
- break;
+ case ISD::EXTLOAD: OS << " <anyext "; break;
+ case ISD::SEXTLOAD: OS << " <sext "; break;
+ case ISD::ZEXTLOAD: OS << " <zext "; break;
}
if (doExt)
- cerr << LD->getMemoryVT().getMVTString() << ">";
+ OS << LD->getMemoryVT().getMVTString() << ">";
const char *AM = getIndexedModeName(LD->getAddressingMode());
if (*AM)
- cerr << " " << AM;
+ OS << " " << AM;
if (LD->isVolatile())
- cerr << " <volatile>";
- cerr << " alignment=" << LD->getAlignment();
+ OS << " <volatile>";
+ OS << " alignment=" << LD->getAlignment();
} else if (const StoreSDNode *ST = dyn_cast<StoreSDNode>(this)) {
const Value *SrcValue = ST->getSrcValue();
int SrcOffset = ST->getSrcValueOffset();
- cerr << " <";
+ OS << " <";
if (SrcValue)
- cerr << SrcValue;
+ OS << SrcValue;
else
- cerr << "null";
- cerr << ":" << SrcOffset << ">";
+ OS << "null";
+ OS << ":" << SrcOffset << ">";
if (ST->isTruncatingStore())
- cerr << " <trunc "
- << ST->getMemoryVT().getMVTString() << ">";
+ OS << " <trunc " << ST->getMemoryVT().getMVTString() << ">";
const char *AM = getIndexedModeName(ST->getAddressingMode());
if (*AM)
- cerr << " " << AM;
+ OS << " " << AM;
if (ST->isVolatile())
- cerr << " <volatile>";
- cerr << " alignment=" << ST->getAlignment();
+ OS << " <volatile>";
+ OS << " alignment=" << ST->getAlignment();
} else if (const AtomicSDNode* AT = dyn_cast<AtomicSDNode>(this)) {
const Value *SrcValue = AT->getSrcValue();
int SrcOffset = AT->getSrcValueOffset();
- cerr << " <";
+ OS << " <";
if (SrcValue)
- cerr << SrcValue;
+ OS << SrcValue;
else
- cerr << "null";
- cerr << ":" << SrcOffset << ">";
+ OS << "null";
+ OS << ":" << SrcOffset << ">";
if (AT->isVolatile())
- cerr << " <volatile>";
- cerr << " alignment=" << AT->getAlignment();
+ OS << " <volatile>";
+ OS << " alignment=" << AT->getAlignment();
}
}
static void DumpNodes(const SDNode *N, unsigned indent, const SelectionDAG *G) {
for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i)
- if (N->getOperand(i).Val->hasOneUse())
- DumpNodes(N->getOperand(i).Val, indent+2, G);
+ if (N->getOperand(i).getNode()->hasOneUse())
+ DumpNodes(N->getOperand(i).getNode(), indent+2, G);
else
cerr << "\n" << std::string(indent+2, ' ')
- << (void*)N->getOperand(i).Val << ": <multiple use>";
+ << (void*)N->getOperand(i).getNode() << ": <multiple use>";
cerr << "\n" << std::string(indent, ' ');
for (allnodes_const_iterator I = allnodes_begin(), E = allnodes_end();
I != E; ++I) {
const SDNode *N = I;
- if (!N->hasOneUse() && N != getRoot().Val)
+ if (!N->hasOneUse() && N != getRoot().getNode())
DumpNodes(N, 2, this);
}
- if (getRoot().Val) DumpNodes(getRoot().Val, 2, this);
+ if (getRoot().getNode()) DumpNodes(getRoot().getNode(), 2, this);
cerr << "\n\n";
}
projects / oota-llvm.git / blobdiff