#include "llvm/ADT/ilist.h"
#include "llvm/ADT/DenseSet.h"
-#include "llvm/ADT/FoldingSet.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/CodeGen/SelectionDAGNodes.h"
+#include "llvm/Support/RecyclingAllocator.h"
#include "llvm/Target/TargetMachine.h"
#include <cassert>
#include <vector>
namespace llvm {
class AliasAnalysis;
-class TargetLowering;
-class MachineModuleInfo;
class DwarfWriter;
-class MachineFunction;
-class MachineConstantPoolValue;
class FunctionLoweringInfo;
+class MachineConstantPoolValue;
+class MachineFunction;
+class MachineModuleInfo;
+class SDNodeOrdering;
+class SDDbgValue;
+class TargetLowering;
template<> struct ilist_traits<SDNode> : public ilist_default_traits<SDNode> {
private:
- mutable ilist_node<SDNode> Sentinel;
+ mutable ilist_half_node<SDNode> Sentinel;
public:
SDNode *createSentinel() const {
return static_cast<SDNode*>(&Sentinel);
static void createNode(const SDNode &);
};
+/// SDDbgInfo - Keeps track of dbg_value information through SDISel. We do
+/// not build SDNodes for these so as not to perturb the generated code;
+/// instead the info is kept off to the side in this structure. SDNodes may
+/// have an associated dbg_value entry in DbgValMap. Debug info that is not
+/// associated with any SDNode is held in DbgConstMap. It is possible for
+/// optimizations to change a variable to a constant, in which case the
+/// corresponding debug info is moved from the variable to the constant table
+/// (NYI).
+class SDDbgInfo {
+ DenseMap<const SDNode*, SDDbgValue*> DbgVblMap;
+ SmallVector<SDDbgValue*, 4> DbgConstMap;
+
+ void operator=(const SDDbgInfo&); // Do not implement.
+ SDDbgInfo(const SDDbgInfo&); // Do not implement.
+public:
+ SDDbgInfo() {}
+
+ void add(const SDNode *Node, SDDbgValue *V) {
+ DbgVblMap[Node] = V;
+ }
+ void add(SDDbgValue *V) { DbgConstMap.push_back(V); }
+ void remove(const SDNode *Node) {
+ DenseMap<const SDNode*, SDDbgValue*>::iterator Itr =
+ DbgVblMap.find(Node);
+ if (Itr != DbgVblMap.end())
+ DbgVblMap.erase(Itr);
+ }
+ // No need to remove a constant.
+ void clear() {
+ DbgVblMap.clear();
+ DbgConstMap.clear();
+ }
+ SDDbgValue *getSDDbgValue(const SDNode *Node) {
+ return DbgVblMap[Node];
+ }
+ typedef SmallVector<SDDbgValue*, 4>::iterator ConstDbgIterator;
+ ConstDbgIterator DbgConstBegin() { return DbgConstMap.begin(); }
+ ConstDbgIterator DbgConstEnd() { return DbgConstMap.end(); }
+};
+
enum CombineLevel {
Unrestricted, // Combine may create illegal operations and illegal types.
NoIllegalTypes, // Combine may create illegal operations but no illegal types.
NoIllegalOperations // Combine may only create legal operations and types.
};
+class SelectionDAG;
+void checkForCycles(const SDNode *N);
+void checkForCycles(const SelectionDAG *DAG);
+
/// SelectionDAG class - This is used to represent a portion of an LLVM function
/// in a low-level Data Dependence DAG representation suitable for instruction
/// selection. This DAG is constructed as the first step of instruction
FunctionLoweringInfo &FLI;
MachineModuleInfo *MMI;
DwarfWriter *DW;
+ LLVMContext* Context;
/// EntryNode - The starting token.
SDNode EntryNode;
NodeAllocatorType NodeAllocator;
/// CSEMap - This structure is used to memoize nodes, automatically performing
- /// CSE with existing nodes with a duplicate is requested.
+ /// CSE with existing nodes when a duplicate is requested.
FoldingSet<SDNode> CSEMap;
/// OperandAllocator - Pool allocation for machine-opcode SDNode operands.
/// SelectionDAG.
BumpPtrAllocator Allocator;
+ /// SDNodeOrdering - The ordering of the SDNodes. It roughly corresponds to
+ /// the ordering of the original LLVM instructions.
+ SDNodeOrdering *Ordering;
+
+ /// DbgInfo - Tracks dbg_value information through SDISel.
+ SDDbgInfo *DbgInfo;
+
/// VerifyNode - Sanity check the given node. Aborts if it is invalid.
void VerifyNode(SDNode *N);
DenseSet<SDNode *> &visited,
int level, bool &printed);
+ void operator=(const SelectionDAG&); // Do not implement.
+ SelectionDAG(const SelectionDAG&); // Do not implement.
+
public:
SelectionDAG(TargetLowering &tli, FunctionLoweringInfo &fli);
~SelectionDAG();
FunctionLoweringInfo &getFunctionLoweringInfo() const { return FLI; }
MachineModuleInfo *getMachineModuleInfo() const { return MMI; }
DwarfWriter *getDwarfWriter() const { return DW; }
+ LLVMContext *getContext() const {return Context; }
/// viewGraph - Pop up a GraphViz/gv window with the DAG rendered using 'dot'.
///
const SDValue &setRoot(SDValue N) {
assert((!N.getNode() || N.getValueType() == MVT::Other) &&
"DAG root value is not a chain!");
- return Root = N;
+ if (N.getNode())
+ checkForCycles(N.getNode());
+ Root = N;
+ if (N.getNode())
+ checkForCycles(this);
+ return Root;
}
/// Combine - This iterates over the nodes in the SelectionDAG, folding
///
/// Note that this is an involved process that may invalidate pointers into
/// the graph.
- void Legalize(bool TypesNeedLegalizing, CodeGenOpt::Level OptLevel);
+ void Legalize(CodeGenOpt::Level OptLevel);
/// LegalizeVectors - This transforms the SelectionDAG into a SelectionDAG
/// that only uses vector math operations supported by the target. This is
/// getVTList - Return an SDVTList that represents the list of values
/// specified.
- SDVTList getVTList(MVT VT);
- SDVTList getVTList(MVT VT1, MVT VT2);
- SDVTList getVTList(MVT VT1, MVT VT2, MVT VT3);
- SDVTList getVTList(MVT VT1, MVT VT2, MVT VT3, MVT VT4);
- SDVTList getVTList(const MVT *VTs, unsigned NumVTs);
+ SDVTList getVTList(EVT VT);
+ SDVTList getVTList(EVT VT1, EVT VT2);
+ SDVTList getVTList(EVT VT1, EVT VT2, EVT VT3);
+ SDVTList getVTList(EVT VT1, EVT VT2, EVT VT3, EVT VT4);
+ SDVTList getVTList(const EVT *VTs, unsigned NumVTs);
//===--------------------------------------------------------------------===//
// Node creation methods.
//
- SDValue getConstant(uint64_t Val, MVT VT, bool isTarget = false);
- SDValue getConstant(const APInt &Val, MVT VT, bool isTarget = false);
- SDValue getConstant(const ConstantInt &Val, MVT VT, bool isTarget = false);
+ SDValue getConstant(uint64_t Val, EVT VT, bool isTarget = false);
+ SDValue getConstant(const APInt &Val, EVT VT, bool isTarget = false);
+ SDValue getConstant(const ConstantInt &Val, EVT VT, bool isTarget = false);
SDValue getIntPtrConstant(uint64_t Val, bool isTarget = false);
- SDValue getTargetConstant(uint64_t Val, MVT VT) {
+ SDValue getTargetConstant(uint64_t Val, EVT VT) {
return getConstant(Val, VT, true);
}
- SDValue getTargetConstant(const APInt &Val, MVT VT) {
+ SDValue getTargetConstant(const APInt &Val, EVT VT) {
return getConstant(Val, VT, true);
}
- SDValue getTargetConstant(const ConstantInt &Val, MVT VT) {
+ SDValue getTargetConstant(const ConstantInt &Val, EVT VT) {
return getConstant(Val, VT, true);
}
- SDValue getConstantFP(double Val, MVT VT, bool isTarget = false);
- SDValue getConstantFP(const APFloat& Val, MVT VT, bool isTarget = false);
- SDValue getConstantFP(const ConstantFP &CF, MVT VT, bool isTarget = false);
- SDValue getTargetConstantFP(double Val, MVT VT) {
+ SDValue getConstantFP(double Val, EVT VT, bool isTarget = false);
+ SDValue getConstantFP(const APFloat& Val, EVT VT, bool isTarget = false);
+ SDValue getConstantFP(const ConstantFP &CF, EVT VT, bool isTarget = false);
+ SDValue getTargetConstantFP(double Val, EVT VT) {
return getConstantFP(Val, VT, true);
}
- SDValue getTargetConstantFP(const APFloat& Val, MVT VT) {
+ SDValue getTargetConstantFP(const APFloat& Val, EVT VT) {
return getConstantFP(Val, VT, true);
}
- SDValue getTargetConstantFP(const ConstantFP &Val, MVT VT) {
+ SDValue getTargetConstantFP(const ConstantFP &Val, EVT VT) {
return getConstantFP(Val, VT, true);
}
- SDValue getGlobalAddress(const GlobalValue *GV, MVT VT,
+ SDValue getGlobalAddress(const GlobalValue *GV, EVT VT,
int64_t offset = 0, bool isTargetGA = false,
unsigned char TargetFlags = 0);
- SDValue getTargetGlobalAddress(const GlobalValue *GV, MVT VT,
+ SDValue getTargetGlobalAddress(const GlobalValue *GV, EVT VT,
int64_t offset = 0,
unsigned char TargetFlags = 0) {
return getGlobalAddress(GV, VT, offset, true, TargetFlags);
}
- SDValue getFrameIndex(int FI, MVT VT, bool isTarget = false);
- SDValue getTargetFrameIndex(int FI, MVT VT) {
+ SDValue getFrameIndex(int FI, EVT VT, bool isTarget = false);
+ SDValue getTargetFrameIndex(int FI, EVT VT) {
return getFrameIndex(FI, VT, true);
}
- SDValue getJumpTable(int JTI, MVT VT, bool isTarget = false,
+ SDValue getJumpTable(int JTI, EVT VT, bool isTarget = false,
unsigned char TargetFlags = 0);
- SDValue getTargetJumpTable(int JTI, MVT VT, unsigned char TargetFlags = 0) {
+ SDValue getTargetJumpTable(int JTI, EVT VT, unsigned char TargetFlags = 0) {
return getJumpTable(JTI, VT, true, TargetFlags);
}
- SDValue getConstantPool(Constant *C, MVT VT,
+ SDValue getConstantPool(Constant *C, EVT VT,
unsigned Align = 0, int Offs = 0, bool isT=false,
unsigned char TargetFlags = 0);
- SDValue getTargetConstantPool(Constant *C, MVT VT,
+ SDValue getTargetConstantPool(Constant *C, EVT VT,
unsigned Align = 0, int Offset = 0,
unsigned char TargetFlags = 0) {
return getConstantPool(C, VT, Align, Offset, true, TargetFlags);
}
- SDValue getConstantPool(MachineConstantPoolValue *C, MVT VT,
+ SDValue getConstantPool(MachineConstantPoolValue *C, EVT VT,
unsigned Align = 0, int Offs = 0, bool isT=false,
unsigned char TargetFlags = 0);
SDValue getTargetConstantPool(MachineConstantPoolValue *C,
- MVT VT, unsigned Align = 0,
+ EVT VT, unsigned Align = 0,
int Offset = 0, unsigned char TargetFlags=0) {
return getConstantPool(C, VT, Align, Offset, true, TargetFlags);
}
// to provide debug info for the BB at that time, so keep this one around.
SDValue getBasicBlock(MachineBasicBlock *MBB);
SDValue getBasicBlock(MachineBasicBlock *MBB, DebugLoc dl);
- SDValue getExternalSymbol(const char *Sym, MVT VT);
- SDValue getExternalSymbol(const char *Sym, DebugLoc dl, MVT VT);
- SDValue getTargetExternalSymbol(const char *Sym, MVT VT,
+ SDValue getExternalSymbol(const char *Sym, EVT VT);
+ SDValue getExternalSymbol(const char *Sym, DebugLoc dl, EVT VT);
+ SDValue getTargetExternalSymbol(const char *Sym, EVT VT,
unsigned char TargetFlags = 0);
- SDValue getArgFlags(ISD::ArgFlagsTy Flags);
- SDValue getValueType(MVT);
- SDValue getRegister(unsigned Reg, MVT VT);
- SDValue getDbgStopPoint(DebugLoc DL, SDValue Root,
- unsigned Line, unsigned Col, Value *CU);
+ SDValue getValueType(EVT);
+ SDValue getRegister(unsigned Reg, EVT VT);
SDValue getLabel(unsigned Opcode, DebugLoc dl, SDValue Root,
unsigned LabelID);
+ SDValue getBlockAddress(BlockAddress *BA, EVT VT,
+ bool isTarget = false, unsigned char TargetFlags = 0);
SDValue getCopyToReg(SDValue Chain, DebugLoc dl, unsigned Reg, SDValue N) {
return getNode(ISD::CopyToReg, dl, MVT::Other, Chain,
return getNode(ISD::CopyToReg, dl, VTs, Ops, Flag.getNode() ? 4 : 3);
}
- SDValue getCopyFromReg(SDValue Chain, DebugLoc dl, unsigned Reg, MVT VT) {
+ SDValue getCopyFromReg(SDValue Chain, DebugLoc dl, unsigned Reg, EVT VT) {
SDVTList VTs = getVTList(VT, MVT::Other);
SDValue Ops[] = { Chain, getRegister(Reg, VT) };
return getNode(ISD::CopyFromReg, dl, VTs, Ops, 2);
// This version of the getCopyFromReg method takes an extra operand, which
// indicates that there is potentially an incoming flag value (if Flag is not
// null) and that there should be a flag result.
- SDValue getCopyFromReg(SDValue Chain, DebugLoc dl, unsigned Reg, MVT VT,
+ SDValue getCopyFromReg(SDValue Chain, DebugLoc dl, unsigned Reg, EVT VT,
SDValue Flag) {
SDVTList VTs = getVTList(VT, MVT::Other, MVT::Flag);
SDValue Ops[] = { Chain, getRegister(Reg, VT), Flag };
/// Returns the ConvertRndSat Note: Avoid using this node because it may
/// disappear in the future and most targets don't support it.
- SDValue getConvertRndSat(MVT VT, DebugLoc dl, SDValue Val, SDValue DTy,
+ SDValue getConvertRndSat(EVT VT, DebugLoc dl, SDValue Val, SDValue DTy,
SDValue STy,
SDValue Rnd, SDValue Sat, ISD::CvtCode Code);
/// elements in VT, which must be a vector type, must match the number of
/// mask elements NumElts. A integer mask element equal to -1 is treated as
/// undefined.
- SDValue getVectorShuffle(MVT VT, DebugLoc dl, SDValue N1, SDValue N2,
+ SDValue getVectorShuffle(EVT VT, DebugLoc dl, SDValue N1, SDValue N2,
const int *MaskElts);
+ /// getSExtOrTrunc - Convert Op, which must be of integer type, to the
+ /// integer type VT, by either sign-extending or truncating it.
+ SDValue getSExtOrTrunc(SDValue Op, DebugLoc DL, EVT VT);
+
+ /// getZExtOrTrunc - Convert Op, which must be of integer type, to the
+ /// integer type VT, by either zero-extending or truncating it.
+ SDValue getZExtOrTrunc(SDValue Op, DebugLoc DL, EVT VT);
+
/// getZeroExtendInReg - Return the expression required to zero extend the Op
/// value assuming it was the smaller SrcTy value.
- SDValue getZeroExtendInReg(SDValue Op, DebugLoc DL, MVT SrcTy);
+ SDValue getZeroExtendInReg(SDValue Op, DebugLoc DL, EVT SrcTy);
/// getNOT - Create a bitwise NOT operation as (XOR Val, -1).
- SDValue getNOT(DebugLoc DL, SDValue Val, MVT VT);
+ SDValue getNOT(DebugLoc DL, SDValue Val, EVT VT);
/// getCALLSEQ_START - Return a new CALLSEQ_START node, which always must have
/// a flag result (to ensure it's not CSE'd). CALLSEQ_START does not have a
}
/// getUNDEF - Return an UNDEF node. UNDEF does not have a useful DebugLoc.
- SDValue getUNDEF(MVT VT) {
+ SDValue getUNDEF(EVT VT) {
return getNode(ISD::UNDEF, DebugLoc::getUnknownLoc(), VT);
}
/// getGLOBAL_OFFSET_TABLE - Return a GLOBAL_OFFSET_TABLE node. This does
/// not have a useful DebugLoc.
- SDValue getGLOBAL_OFFSET_TABLE(MVT VT) {
+ SDValue getGLOBAL_OFFSET_TABLE(EVT VT) {
return getNode(ISD::GLOBAL_OFFSET_TABLE, DebugLoc::getUnknownLoc(), VT);
}
/// getNode - Gets or creates the specified node.
///
- SDValue getNode(unsigned Opcode, DebugLoc DL, MVT VT);
- SDValue getNode(unsigned Opcode, DebugLoc DL, MVT VT, SDValue N);
- SDValue getNode(unsigned Opcode, DebugLoc DL, MVT VT, SDValue N1, SDValue N2);
- SDValue getNode(unsigned Opcode, DebugLoc DL, MVT VT,
+ SDValue getNode(unsigned Opcode, DebugLoc DL, EVT VT);
+ SDValue getNode(unsigned Opcode, DebugLoc DL, EVT VT, SDValue N);
+ SDValue getNode(unsigned Opcode, DebugLoc DL, EVT VT, SDValue N1, SDValue N2);
+ SDValue getNode(unsigned Opcode, DebugLoc DL, EVT VT,
SDValue N1, SDValue N2, SDValue N3);
- SDValue getNode(unsigned Opcode, DebugLoc DL, MVT VT,
+ SDValue getNode(unsigned Opcode, DebugLoc DL, EVT VT,
SDValue N1, SDValue N2, SDValue N3, SDValue N4);
- SDValue getNode(unsigned Opcode, DebugLoc DL, MVT VT,
+ SDValue getNode(unsigned Opcode, DebugLoc DL, EVT VT,
SDValue N1, SDValue N2, SDValue N3, SDValue N4,
SDValue N5);
- SDValue getNode(unsigned Opcode, DebugLoc DL, MVT VT,
+ SDValue getNode(unsigned Opcode, DebugLoc DL, EVT VT,
const SDUse *Ops, unsigned NumOps);
- SDValue getNode(unsigned Opcode, DebugLoc DL, MVT VT,
+ SDValue getNode(unsigned Opcode, DebugLoc DL, EVT VT,
const SDValue *Ops, unsigned NumOps);
SDValue getNode(unsigned Opcode, DebugLoc DL,
- const std::vector<MVT> &ResultTys,
+ const std::vector<EVT> &ResultTys,
const SDValue *Ops, unsigned NumOps);
- SDValue getNode(unsigned Opcode, DebugLoc DL, const MVT *VTs, unsigned NumVTs,
+ SDValue getNode(unsigned Opcode, DebugLoc DL, const EVT *VTs, unsigned NumVTs,
const SDValue *Ops, unsigned NumOps);
SDValue getNode(unsigned Opcode, DebugLoc DL, SDVTList VTs,
const SDValue *Ops, unsigned NumOps);
SDValue N1, SDValue N2, SDValue N3, SDValue N4,
SDValue N5);
+ /// getStackArgumentTokenFactor - Compute a TokenFactor to force all
+ /// the incoming stack arguments to be loaded from the stack. This is
+ /// used in tail call lowering to protect stack arguments from being
+ /// clobbered.
+ SDValue getStackArgumentTokenFactor(SDValue Chain);
+
SDValue getMemcpy(SDValue Chain, DebugLoc dl, SDValue Dst, SDValue Src,
SDValue Size, unsigned Align, bool AlwaysInline,
const Value *DstSV, uint64_t DstSVOff,
/// getSetCC - Helper function to make it easier to build SetCC's if you just
/// have an ISD::CondCode instead of an SDValue.
///
- SDValue getSetCC(DebugLoc DL, MVT VT, SDValue LHS, SDValue RHS,
+ SDValue getSetCC(DebugLoc DL, EVT VT, SDValue LHS, SDValue RHS,
ISD::CondCode Cond) {
return getNode(ISD::SETCC, DL, VT, LHS, RHS, getCondCode(Cond));
}
/// getVSetCC - Helper function to make it easier to build VSetCC's nodes
/// if you just have an ISD::CondCode instead of an SDValue.
///
- SDValue getVSetCC(DebugLoc DL, MVT VT, SDValue LHS, SDValue RHS,
+ SDValue getVSetCC(DebugLoc DL, EVT VT, SDValue LHS, SDValue RHS,
ISD::CondCode Cond) {
return getNode(ISD::VSETCC, DL, VT, LHS, RHS, getCondCode(Cond));
}
/// getVAArg - VAArg produces a result and token chain, and takes a pointer
/// and a source value as input.
- SDValue getVAArg(MVT VT, DebugLoc dl, SDValue Chain, SDValue Ptr,
+ SDValue getVAArg(EVT VT, DebugLoc dl, SDValue Chain, SDValue Ptr,
SDValue SV);
/// getAtomic - Gets a node for an atomic op, produces result and chain and
/// takes 3 operands
- SDValue getAtomic(unsigned Opcode, DebugLoc dl, MVT MemVT, SDValue Chain,
+ SDValue getAtomic(unsigned Opcode, DebugLoc dl, EVT MemVT, SDValue Chain,
SDValue Ptr, SDValue Cmp, SDValue Swp, const Value* PtrVal,
unsigned Alignment=0);
+ SDValue getAtomic(unsigned Opcode, DebugLoc dl, EVT MemVT, SDValue Chain,
+ SDValue Ptr, SDValue Cmp, SDValue Swp,
+ MachineMemOperand *MMO);
/// getAtomic - Gets a node for an atomic op, produces result and chain and
/// takes 2 operands.
- SDValue getAtomic(unsigned Opcode, DebugLoc dl, MVT MemVT, SDValue Chain,
+ SDValue getAtomic(unsigned Opcode, DebugLoc dl, EVT MemVT, SDValue Chain,
SDValue Ptr, SDValue Val, const Value* PtrVal,
unsigned Alignment = 0);
+ SDValue getAtomic(unsigned Opcode, DebugLoc dl, EVT MemVT, SDValue Chain,
+ SDValue Ptr, SDValue Val,
+ MachineMemOperand *MMO);
/// getMemIntrinsicNode - Creates a MemIntrinsicNode that may produce a
- /// result and takes a list of operands.
+ /// result and takes a list of operands. Opcode may be INTRINSIC_VOID,
+ /// INTRINSIC_W_CHAIN, or a target-specific opcode with a value not
+ /// less than FIRST_TARGET_MEMORY_OPCODE.
SDValue getMemIntrinsicNode(unsigned Opcode, DebugLoc dl,
- const MVT *VTs, unsigned NumVTs,
+ const EVT *VTs, unsigned NumVTs,
const SDValue *Ops, unsigned NumOps,
- MVT MemVT, const Value *srcValue, int SVOff,
+ EVT MemVT, const Value *srcValue, int SVOff,
unsigned Align = 0, bool Vol = false,
bool ReadMem = true, bool WriteMem = true);
SDValue getMemIntrinsicNode(unsigned Opcode, DebugLoc dl, SDVTList VTList,
const SDValue *Ops, unsigned NumOps,
- MVT MemVT, const Value *srcValue, int SVOff,
+ EVT MemVT, const Value *srcValue, int SVOff,
unsigned Align = 0, bool Vol = false,
bool ReadMem = true, bool WriteMem = true);
+ SDValue getMemIntrinsicNode(unsigned Opcode, DebugLoc dl, SDVTList VTList,
+ const SDValue *Ops, unsigned NumOps,
+ EVT MemVT, MachineMemOperand *MMO);
+
/// getMergeValues - Create a MERGE_VALUES node from the given operands.
SDValue getMergeValues(const SDValue *Ops, unsigned NumOps, DebugLoc dl);
- /// getCall - Create a CALL node from the given information.
- ///
- SDValue getCall(unsigned CallingConv, DebugLoc dl, bool IsVarArgs,
- bool IsTailCall, bool isInreg, SDVTList VTs,
- const SDValue *Operands, unsigned NumOperands);
-
/// getLoad - Loads are not normal binary operators: their result type is not
/// determined by their operands, and they produce a value AND a token chain.
///
- SDValue getLoad(MVT VT, DebugLoc dl, SDValue Chain, SDValue Ptr,
- const Value *SV, int SVOffset, bool isVolatile=false,
- unsigned Alignment=0);
- SDValue getExtLoad(ISD::LoadExtType ExtType, DebugLoc dl, MVT VT,
- SDValue Chain, SDValue Ptr, const Value *SV,
- int SVOffset, MVT EVT, bool isVolatile=false,
- unsigned Alignment=0);
+ SDValue getLoad(EVT VT, DebugLoc dl, SDValue Chain, SDValue Ptr,
+ const Value *SV, int SVOffset, bool isVolatile,
+ bool isNonTemporal, unsigned Alignment);
+ SDValue getExtLoad(ISD::LoadExtType ExtType, DebugLoc dl, EVT VT,
+ SDValue Chain, SDValue Ptr, const Value *SV,
+ int SVOffset, EVT MemVT, bool isVolatile,
+ bool isNonTemporal, unsigned Alignment);
SDValue getIndexedLoad(SDValue OrigLoad, DebugLoc dl, SDValue Base,
SDValue Offset, ISD::MemIndexedMode AM);
SDValue 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=false, unsigned Alignment=0);
+ EVT VT, SDValue Chain, SDValue Ptr, SDValue Offset,
+ const Value *SV, int SVOffset, EVT MemVT,
+ bool isVolatile, bool isNonTemporal, unsigned Alignment);
+ SDValue getLoad(ISD::MemIndexedMode AM, DebugLoc dl, ISD::LoadExtType ExtType,
+ EVT VT, SDValue Chain, SDValue Ptr, SDValue Offset,
+ EVT MemVT, MachineMemOperand *MMO);
/// getStore - Helper function to build ISD::STORE nodes.
///
SDValue getStore(SDValue Chain, DebugLoc dl, SDValue Val, SDValue Ptr,
- const Value *SV, int SVOffset, bool isVolatile=false,
- unsigned Alignment=0);
+ const Value *SV, int SVOffset, bool isVolatile,
+ bool isNonTemporal, unsigned Alignment);
+ SDValue getStore(SDValue Chain, DebugLoc dl, SDValue Val, SDValue Ptr,
+ MachineMemOperand *MMO);
+ SDValue getTruncStore(SDValue Chain, DebugLoc dl, SDValue Val, SDValue Ptr,
+ const Value *SV, int SVOffset, EVT TVT,
+ bool isNonTemporal, bool isVolatile,
+ unsigned Alignment);
SDValue getTruncStore(SDValue Chain, DebugLoc dl, SDValue Val, SDValue Ptr,
- const Value *SV, int SVOffset, MVT TVT,
- bool isVolatile=false, unsigned Alignment=0);
+ EVT TVT, MachineMemOperand *MMO);
SDValue getIndexedStore(SDValue OrigStoe, DebugLoc dl, SDValue Base,
SDValue Offset, ISD::MemIndexedMode AM);
/// getSrcValue - Construct a node to track a Value* through the backend.
SDValue getSrcValue(const Value *v);
- /// getMemOperand - Construct a node to track a memory reference
- /// through the backend.
- SDValue getMemOperand(const MachineMemOperand &MO);
-
/// getShiftAmountOperand - Return the specified value casted to
/// the target's desired shift amount type.
SDValue getShiftAmountOperand(SDValue Op);
/// specified node to have the specified return type, Target opcode, and
/// operands. Note that target opcodes are stored as
/// ~TargetOpcode in the node opcode field. The resultant node is returned.
- SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, MVT VT);
- SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, MVT VT, SDValue Op1);
- SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, MVT VT,
+ SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, EVT VT);
+ SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, EVT VT, SDValue Op1);
+ SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, EVT VT,
SDValue Op1, SDValue Op2);
- SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, MVT VT,
+ SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, EVT VT,
SDValue Op1, SDValue Op2, SDValue Op3);
- SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, MVT VT,
+ SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, EVT VT,
const SDValue *Ops, unsigned NumOps);
- SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, MVT VT1, MVT VT2);
- SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, MVT VT1,
- MVT VT2, const SDValue *Ops, unsigned NumOps);
- SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, MVT VT1,
- MVT VT2, MVT VT3, const SDValue *Ops, unsigned NumOps);
- SDNode *SelectNodeTo(SDNode *N, unsigned MachineOpc, MVT VT1,
- MVT VT2, MVT VT3, MVT VT4, const SDValue *Ops,
+ SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, EVT VT1, EVT VT2);
+ SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, EVT VT1,
+ EVT VT2, const SDValue *Ops, unsigned NumOps);
+ SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, EVT VT1,
+ EVT VT2, EVT VT3, const SDValue *Ops, unsigned NumOps);
+ SDNode *SelectNodeTo(SDNode *N, unsigned MachineOpc, EVT VT1,
+ EVT VT2, EVT VT3, EVT VT4, const SDValue *Ops,
unsigned NumOps);
- SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, MVT VT1,
- MVT VT2, SDValue Op1);
- SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, MVT VT1,
- MVT VT2, SDValue Op1, SDValue Op2);
- SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, MVT VT1,
- MVT VT2, SDValue Op1, SDValue Op2, SDValue Op3);
- SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, MVT VT1,
- MVT VT2, MVT VT3, SDValue Op1, SDValue Op2, SDValue Op3);
+ SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, EVT VT1,
+ EVT VT2, SDValue Op1);
+ SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, EVT VT1,
+ EVT VT2, SDValue Op1, SDValue Op2);
+ SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, EVT VT1,
+ EVT VT2, SDValue Op1, SDValue Op2, SDValue Op3);
+ SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, EVT VT1,
+ EVT VT2, EVT VT3, SDValue Op1, SDValue Op2, SDValue Op3);
SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, SDVTList VTs,
const SDValue *Ops, unsigned NumOps);
- /// MorphNodeTo - These *mutate* the specified node to have the specified
+ /// MorphNodeTo - This *mutates* the specified node to have the specified
/// return type, opcode, and operands.
- SDNode *MorphNodeTo(SDNode *N, unsigned Opc, MVT VT);
- SDNode *MorphNodeTo(SDNode *N, unsigned Opc, MVT VT, SDValue Op1);
- SDNode *MorphNodeTo(SDNode *N, unsigned Opc, MVT VT,
- SDValue Op1, SDValue Op2);
- SDNode *MorphNodeTo(SDNode *N, unsigned Opc, MVT VT,
- SDValue Op1, SDValue Op2, SDValue Op3);
- SDNode *MorphNodeTo(SDNode *N, unsigned Opc, MVT VT,
- const SDValue *Ops, unsigned NumOps);
- SDNode *MorphNodeTo(SDNode *N, unsigned Opc, MVT VT1, MVT VT2);
- SDNode *MorphNodeTo(SDNode *N, unsigned Opc, MVT VT1,
- MVT VT2, const SDValue *Ops, unsigned NumOps);
- SDNode *MorphNodeTo(SDNode *N, unsigned Opc, MVT VT1,
- MVT VT2, MVT VT3, const SDValue *Ops, unsigned NumOps);
- SDNode *MorphNodeTo(SDNode *N, unsigned Opc, MVT VT1,
- MVT VT2, SDValue Op1);
- SDNode *MorphNodeTo(SDNode *N, unsigned Opc, MVT VT1,
- MVT VT2, SDValue Op1, SDValue Op2);
- SDNode *MorphNodeTo(SDNode *N, unsigned Opc, MVT VT1,
- MVT VT2, SDValue Op1, SDValue Op2, SDValue Op3);
SDNode *MorphNodeTo(SDNode *N, unsigned Opc, SDVTList VTs,
const SDValue *Ops, unsigned NumOps);
- /// getTargetNode - These are used for target selectors to create a new node
- /// with specified return type(s), target opcode, and operands.
+ /// getMachineNode - These are used for target selectors to create a new node
+ /// with specified return type(s), MachineInstr opcode, and operands.
///
- /// Note that getTargetNode returns the resultant node. If there is already a
- /// node of the specified opcode and operands, it returns that node instead of
- /// the current one.
- SDNode *getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT);
- SDNode *getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT, SDValue Op1);
- SDNode *getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT, SDValue Op1,
- SDValue Op2);
- SDNode *getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT,
- SDValue Op1, SDValue Op2, SDValue Op3);
- SDNode *getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT,
- const SDValue *Ops, unsigned NumOps);
- SDNode *getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT1, MVT VT2);
- SDNode *getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT1, MVT VT2,
- SDValue Op1);
- SDNode *getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT1,
- MVT VT2, SDValue Op1, SDValue Op2);
- SDNode *getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT1,
- MVT VT2, SDValue Op1, SDValue Op2, SDValue Op3);
- SDNode *getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT1, MVT VT2,
- const SDValue *Ops, unsigned NumOps);
- SDNode *getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT1, MVT VT2, MVT VT3,
- SDValue Op1, SDValue Op2);
- SDNode *getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT1, MVT VT2, MVT VT3,
- SDValue Op1, SDValue Op2, SDValue Op3);
- SDNode *getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT1, MVT VT2, MVT VT3,
- const SDValue *Ops, unsigned NumOps);
- SDNode *getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT1, MVT VT2, MVT VT3,
- MVT VT4, const SDValue *Ops, unsigned NumOps);
- SDNode *getTargetNode(unsigned Opcode, DebugLoc dl,
- const std::vector<MVT> &ResultTys, const SDValue *Ops,
- unsigned NumOps);
+ /// Note that getMachineNode returns the resultant node. If there is already
+ /// a node of the specified opcode and operands, it returns that node instead
+ /// of the current one.
+ MachineSDNode *getMachineNode(unsigned Opcode, DebugLoc dl, EVT VT);
+ MachineSDNode *getMachineNode(unsigned Opcode, DebugLoc dl, EVT VT,
+ SDValue Op1);
+ MachineSDNode *getMachineNode(unsigned Opcode, DebugLoc dl, EVT VT,
+ SDValue Op1, SDValue Op2);
+ MachineSDNode *getMachineNode(unsigned Opcode, DebugLoc dl, EVT VT,
+ SDValue Op1, SDValue Op2, SDValue Op3);
+ MachineSDNode *getMachineNode(unsigned Opcode, DebugLoc dl, EVT VT,
+ const SDValue *Ops, unsigned NumOps);
+ MachineSDNode *getMachineNode(unsigned Opcode, DebugLoc dl, EVT VT1, EVT VT2);
+ MachineSDNode *getMachineNode(unsigned Opcode, DebugLoc dl, EVT VT1, EVT VT2,
+ SDValue Op1);
+ MachineSDNode *getMachineNode(unsigned Opcode, DebugLoc dl, EVT VT1,
+ EVT VT2, SDValue Op1, SDValue Op2);
+ MachineSDNode *getMachineNode(unsigned Opcode, DebugLoc dl, EVT VT1,
+ EVT VT2, SDValue Op1, SDValue Op2, SDValue Op3);
+ MachineSDNode *getMachineNode(unsigned Opcode, DebugLoc dl, EVT VT1, EVT VT2,
+ const SDValue *Ops, unsigned NumOps);
+ MachineSDNode *getMachineNode(unsigned Opcode, DebugLoc dl, EVT VT1, EVT VT2,
+ EVT VT3, SDValue Op1, SDValue Op2);
+ MachineSDNode *getMachineNode(unsigned Opcode, DebugLoc dl, EVT VT1, EVT VT2,
+ EVT VT3, SDValue Op1, SDValue Op2, SDValue Op3);
+ MachineSDNode *getMachineNode(unsigned Opcode, DebugLoc dl, EVT VT1, EVT VT2,
+ EVT VT3, const SDValue *Ops, unsigned NumOps);
+ MachineSDNode *getMachineNode(unsigned Opcode, DebugLoc dl, EVT VT1, EVT VT2,
+ EVT VT3, EVT VT4, const SDValue *Ops, unsigned NumOps);
+ MachineSDNode *getMachineNode(unsigned Opcode, DebugLoc dl,
+ const std::vector<EVT> &ResultTys, const SDValue *Ops,
+ unsigned NumOps);
+ MachineSDNode *getMachineNode(unsigned Opcode, DebugLoc dl, SDVTList VTs,
+ const SDValue *Ops, unsigned NumOps);
+
+ /// getTargetExtractSubreg - A convenience function for creating
+ /// TargetInstrInfo::EXTRACT_SUBREG nodes.
+ SDValue getTargetExtractSubreg(int SRIdx, DebugLoc DL, EVT VT,
+ SDValue Operand);
+
+ /// getTargetInsertSubreg - A convenience function for creating
+ /// TargetInstrInfo::INSERT_SUBREG nodes.
+ SDValue getTargetInsertSubreg(int SRIdx, DebugLoc DL, EVT VT,
+ SDValue Operand, SDValue Subreg);
/// getNodeIfExists - Get the specified node if it's already available, or
/// else return NULL.
}
}
+ /// AssignOrdering - Assign an order to the SDNode.
+ void AssignOrdering(const SDNode *SD, unsigned Order);
+
+ /// GetOrdering - Get the order for the SDNode.
+ unsigned GetOrdering(const SDNode *SD) const;
+
+ /// AssignDbgInfo - Assign debug info to the SDNode.
+ void AssignDbgInfo(SDNode *SD, SDDbgValue *db);
+
+ /// RememberDbgInfo - Remember debug info with no associated SDNode.
+ void RememberDbgInfo(SDDbgValue *db);
+
+ /// GetDbgInfo - Get the debug info for the SDNode.
+ SDDbgValue *GetDbgInfo(const SDNode* SD);
+
+ SDDbgInfo::ConstDbgIterator DbgConstBegin() {
+ return DbgInfo->DbgConstBegin();
+ }
+ SDDbgInfo::ConstDbgIterator DbgConstEnd() { return DbgInfo->DbgConstEnd(); }
+
void dump() const;
/// CreateStackTemporary - Create a stack temporary, suitable for holding the
/// specified value type. If minAlign is specified, the slot size will have
/// at least that alignment.
- SDValue CreateStackTemporary(MVT VT, unsigned minAlign = 1);
+ SDValue CreateStackTemporary(EVT VT, unsigned minAlign = 1);
/// CreateStackTemporary - Create a stack temporary suitable for holding
/// either of the specified value types.
- SDValue CreateStackTemporary(MVT VT1, MVT VT2);
+ SDValue CreateStackTemporary(EVT VT1, EVT VT2);
/// FoldConstantArithmetic -
SDValue FoldConstantArithmetic(unsigned Opcode,
- MVT VT,
+ EVT VT,
ConstantSDNode *Cst1,
ConstantSDNode *Cst2);
/// FoldSetCC - Constant fold a setcc to true or false.
- SDValue FoldSetCC(MVT VT, SDValue N1,
+ SDValue FoldSetCC(EVT VT, SDValue N1,
SDValue N2, ISD::CondCode Cond, DebugLoc dl);
/// SignBitIsZero - Return true if the sign bit of Op is known to be zero. We
/// class to allow target nodes to be understood.
unsigned ComputeNumSignBits(SDValue Op, unsigned Depth = 0) const;
+ /// isKnownNeverNan - Test whether the given SDValue is known to never be NaN.
+ bool isKnownNeverNaN(SDValue Op) const;
+
+ /// isKnownNeverZero - Test whether the given SDValue is known to never be
+ /// positive or negative Zero.
+ bool isKnownNeverZero(SDValue Op) const;
+
+ /// isEqualTo - Test whether two SDValues are known to compare equal. This
+ /// is true if they are the same value, or if one is negative zero and the
+ /// other positive zero.
+ bool isEqualTo(SDValue A, SDValue B) const;
+
/// isVerifiedDebugInfoDesc - Returns true if the specified SDValue has
/// been verified as a debug information descriptor.
bool isVerifiedDebugInfoDesc(SDValue Op) const;
/// element of the result of the vector shuffle.
SDValue getShuffleScalarElt(const ShuffleVectorSDNode *N, unsigned Idx);
+ /// UnrollVectorOp - Utility function used by legalize and lowering to
+ /// "unroll" a vector operation by splitting out the scalars and operating
+ /// on each element individually. If the ResNE is 0, fully unroll the vector
+ /// op. If ResNE is less than the width of the vector op, unroll up to ResNE.
+ /// If the ResNE is greater than the width of the vector op, unroll the
+ /// vector op and fill the end of the resulting vector with UNDEFS.
+ SDValue UnrollVectorOp(SDNode *N, unsigned ResNE = 0);
+
+ /// isConsecutiveLoad - Return true if LD is loading 'Bytes' bytes from a
+ /// location that is 'Dist' units away from the location that the 'Base' load
+ /// is loading from.
+ bool isConsecutiveLoad(LoadSDNode *LD, LoadSDNode *Base,
+ unsigned Bytes, int Dist) const;
+
+ /// InferPtrAlignment - Infer alignment of a load / store address. Return 0 if
+ /// it cannot be inferred.
+ unsigned InferPtrAlignment(SDValue Ptr) const;
+
private:
bool RemoveNodeFromCSEMaps(SDNode *N);
void AddModifiedNodeToCSEMaps(SDNode *N, DAGUpdateListener *UpdateListener);
void DeleteNodeNotInCSEMaps(SDNode *N);
void DeallocateNode(SDNode *N);
- unsigned getMVTAlignment(MVT MemoryVT) const;
+ unsigned getEVTAlignment(EVT MemoryVT) const;
void allnodes_clear();
std::vector<CondCodeSDNode*> CondCodeNodes;
std::vector<SDNode*> ValueTypeNodes;
- std::map<MVT, SDNode*, MVT::compareRawBits> ExtendedValueTypeNodes;
+ std::map<EVT, SDNode*, EVT::compareRawBits> ExtendedValueTypeNodes;
StringMap<SDNode*> ExternalSymbols;
std::map<std::pair<std::string, unsigned char>,SDNode*> TargetExternalSymbols;
projects / oota-llvm.git / blobdiff