#define LLVM_CODEGEN_MACHINEINSTR_H
#include "llvm/CodeGen/MachineOperand.h"
+#include "llvm/CodeGen/MemOperand.h"
namespace llvm {
// are determined at construction time).
std::vector<MachineOperand> Operands; // the operands
+ std::vector<MemOperand> MemOperands; // information on memory references
MachineInstr *Prev, *Next; // Links for MBB's intrusive list.
MachineBasicBlock *Parent; // Pointer to the owning basic block.
///
unsigned getNumExplicitOperands() const;
+ /// Access to memory operands of the instruction
+ unsigned getNumMemOperands() const { return MemOperands.size(); }
+
+ const MemOperand& getMemOperand(unsigned i) const {
+ assert(i < getNumMemOperands() && "getMemOperand() out of range!");
+ return MemOperands[i];
+ }
+ MemOperand& getMemOperand(unsigned i) {
+ assert(i < getNumMemOperands() && "getMemOperand() out of range!");
+ return MemOperands[i];
+ }
+
/// isIdenticalTo - Return true if this instruction is identical to (same
/// opcode and same operands as) the specified instruction.
bool isIdenticalTo(const MachineInstr *Other) const {
///
void RemoveOperand(unsigned i);
+ /// addMemOperand - Add a MemOperand to the machine instruction, referencing
+ /// arbitrary storage.
+ void addMemOperand(const MemOperand &MO) {
+ MemOperands.push_back(MO);
+ }
+
private:
/// getRegInfo - If this instruction is embedded into a MachineFunction,
/// return the MachineRegisterInfo object for the current function, otherwise
MI->addOperand(MachineOperand::CreateES(FnName, 0));
return *this;
}
+
+ /// addMemOperand - Add a memory operand to the machine instruction.
+ const MachineInstrBuilder &addMemOperand(const MemOperand &MO) const {
+ MI->addMemOperand(MO);
+ return *this;
+ }
};
/// BuildMI - Builder interface. Specify how to create the initial instruction
--- /dev/null
+//===-- llvm/CodeGen/MemOperand.h - MemOperand class ------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains the declaration of the MemOperand class, which is a
+// description of a memory reference. It is used to help track dependencies
+// in the backend.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CODEGEN_MEMOPERAND_H
+#define LLVM_CODEGEN_MEMOPERAND_H
+
+namespace llvm {
+
+class Value;
+
+//===----------------------------------------------------------------------===//
+/// MemOperand - A description of a memory reference used in the backend.
+/// Instead of holding a StoreInst or LoadInst, this class holds the address
+/// Value of the reference along with a byte size and offset. This allows it
+/// to describe lowered loads and stores. Also, the special PseudoSourceValue
+/// objects can be used to represent loads and stores to memory locations
+/// that aren't explicit in the regular LLVM IR.
+///
+class MemOperand {
+ const Value *V;
+ unsigned int Flags;
+ int Offset;
+ int Size;
+ unsigned int Alignment;
+
+public:
+ /// Flags values. These may be or'd together.
+ enum MemOperandFlags {
+ /// The memory access reads data.
+ MOLoad = 1,
+ /// The memory access writes data.
+ MOStore = 2,
+ /// The memory access is volatile.
+ MOVolatile = 4
+ };
+
+ /// MemOperand - Construct an MemOperand object with the specified
+ /// address Value, flags, offset, size, and alignment.
+ MemOperand(const Value *v, unsigned int f, int o, int s, unsigned int a)
+ : V(v), Flags(f), Offset(o), Size(s), Alignment(a) {}
+
+ /// getValue - Return the base address of the memory access.
+ /// Special values are PseudoSourceValue::FPRel, PseudoSourceValue::SPRel,
+ /// and the other PseudoSourceValue members which indicate references to
+ /// frame/stack pointer relative references and other special references.
+ const Value *getValue() const { return V; }
+
+ /// getFlags - Return the raw flags of the source value, \see MemOperandFlags.
+ unsigned int getFlags() const { return Flags; }
+
+ /// getOffset - For normal values, this is a byte offset added to the base
+ /// address. For PseudoSourceValue::FPRel values, this is the FrameIndex
+ /// number.
+ int getOffset() const { return Offset; }
+
+ /// getSize - Return the size in bytes of the memory reference.
+ int getSize() const { return Size; }
+
+ /// getAlignment - Return the minimum known alignment in bytes of the
+ /// memory reference.
+ unsigned int getAlignment() const { return Alignment; }
+
+ bool isLoad() const { return Flags & MOLoad; }
+ bool isStore() const { return Flags & MOStore; }
+ bool isVolatile() const { return Flags & MOVolatile; }
+};
+
+} // End llvm namespace
+
+#endif
if (isa<ConstantPoolSDNode>(Node)) return true;
if (isa<JumpTableSDNode>(Node)) return true;
if (isa<ExternalSymbolSDNode>(Node)) return true;
+ if (isa<MemOperandSDNode>(Node)) return true;
return false;
}
/// (which do not go into the machine instrs.)
static unsigned CountResults(SDNode *Node);
- /// CountOperands The inputs to target nodes have any actual inputs first,
- /// followed by an optional chain operand, then flag operands. Compute the
- /// number of actual operands that will go into the machine instr.
+ /// CountOperands - The inputs to target nodes have any actual inputs first,
+ /// followed by optional memory operands chain operand, then flag operands.
+ /// Compute the number of actual operands that will go into the machine
+ /// instr.
static unsigned CountOperands(SDNode *Node);
+ /// CountMemOperands - Find the index of the last MemOperandSDNode
+ static unsigned CountMemOperands(SDNode *Node);
+
/// EmitNode - Generate machine code for an node and needed dependencies.
/// VRBaseMap contains, for each already emitted node, the first virtual
/// register number for the results of the node.
void AddOperand(MachineInstr *MI, SDOperand Op, unsigned IIOpNum,
const TargetInstrDesc *II,
DenseMap<SDOperand, unsigned> &VRBaseMap);
+
+ void AddMemOperand(MachineInstr *MI, const MemOperand &MO);
};
/// createBURRListDAGScheduler - This creates a bottom up register usage
SDOperand getIndexedStore(SDOperand OrigStoe, SDOperand Base,
SDOperand Offset, ISD::MemIndexedMode AM);
- // getSrcValue - construct a node to track a Value* through the backend
- SDOperand getSrcValue(const Value* I, int offset = 0);
+ // getSrcValue - Construct a node to track a Value* through the backend.
+ SDOperand getSrcValue(const Value *v);
+
+ // getMemOperand - Construct a node to track a memory reference
+ // through the backend.
+ SDOperand getMemOperand(const MemOperand &MO);
/// UpdateNodeOperands - *Mutate* the specified node in-place to have the
/// specified operands. If the resultant node already exists in the DAG,
#include "llvm/ADT/iterator"
#include "llvm/ADT/APFloat.h"
#include "llvm/CodeGen/ValueTypes.h"
+#include "llvm/CodeGen/MemOperand.h"
#include "llvm/Support/DataTypes.h"
#include <cassert>
// pointer, and a SRCVALUE.
VAEND, VASTART,
- // SRCVALUE - This corresponds to a Value*, and is used to associate memory
- // locations with their value. This allows one use alias analysis
- // information in the backend.
+ // SRCVALUE - This is a node type that holds a Value* that is used to
+ // make reference to a value in the LLVM IR.
SRCVALUE,
+ // MEMOPERAND - This is a node that contains a MemOperand which records
+ // information about a memory reference. This is used to make AliasAnalysis
+ // queries from the backend.
+ MEMOPERAND,
+
// PCMARKER - This corresponds to the pcmarker intrinsic.
PCMARKER,
class SrcValueSDNode : public SDNode {
const Value *V;
- int offset;
virtual void ANCHOR(); // Out-of-line virtual method to give class a home.
protected:
friend class SelectionDAG;
- SrcValueSDNode(const Value* v, int o)
- : SDNode(ISD::SRCVALUE, getSDVTList(MVT::Other)), V(v), offset(o) {
- }
+ /// Create a SrcValue for a general value.
+ explicit SrcValueSDNode(const Value *v)
+ : SDNode(ISD::SRCVALUE, getSDVTList(MVT::Other)), V(v) {}
public:
+ /// getValue - return the contained Value.
const Value *getValue() const { return V; }
- int getOffset() const { return offset; }
static bool classof(const SrcValueSDNode *) { return true; }
static bool classof(const SDNode *N) {
};
+/// MemOperandSDNode - An SDNode that holds a MemOperand. This is
+/// used to represent a reference to memory after ISD::LOAD
+/// and ISD::STORE have been lowered.
+///
+class MemOperandSDNode : public SDNode {
+ virtual void ANCHOR(); // Out-of-line virtual method to give class a home.
+protected:
+ friend class SelectionDAG;
+ /// Create a MemOperand node
+ explicit MemOperandSDNode(MemOperand mo)
+ : SDNode(ISD::MEMOPERAND, getSDVTList(MVT::Other)), MO(mo) {}
+
+public:
+ /// MO - The contained MemOperand.
+ const MemOperand MO;
+
+ static bool classof(const MemOperandSDNode *) { return true; }
+ static bool classof(const SDNode *N) {
+ return N->getOpcode() == ISD::MEMOPERAND;
+ }
+};
+
+
class RegisterSDNode : public SDNode {
unsigned Reg;
virtual void ANCHOR(); // Out-of-line virtual method to give class a home.
/// isUnindexed - Return true if this is NOT a pre/post inc/dec load/store.
bool isUnindexed() const { return AddrMode == ISD::UNINDEXED; }
+ /// getMemOperand - Return a MemOperand object describing the memory
+ /// reference performed by this load or store.
+ MemOperand getMemOperand() const;
+
static bool classof(const LSBaseSDNode *N) { return true; }
static bool classof(const SDNode *N) {
return N->getOpcode() == ISD::LOAD ||
#include "llvm/Value.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
+#include "llvm/CodeGen/PseudoSourceValue.h"
+#include "llvm/CodeGen/SelectionDAGNodes.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetInstrDesc.h"
#include "llvm/Target/MRegisterInfo.h"
TID = &MI.getDesc();
NumImplicitOps = MI.NumImplicitOps;
Operands.reserve(MI.getNumOperands());
+ MemOperands = MI.MemOperands;
// Add operands
for (unsigned i = 0; i != MI.getNumOperands(); ++i) {
getOperand(i).print(OS, TM);
}
+ if (getNumMemOperands() > 0) {
+ OS << ", SV:";
+ for (unsigned i = 0; i < getNumMemOperands(); i++) {
+ const MemOperand &MRO = getMemOperand(i);
+ const Value *V = MRO.getValue();
+
+ assert(V && "SV missing.");
+ assert((MRO.isLoad() || MRO.isStore()) &&
+ "SV has to be a load, store or both.");
+
+ if (MRO.isVolatile())
+ OS << "Volatile";
+ if (MRO.isLoad())
+ OS << "LD";
+ if (MRO.isStore())
+ OS << "ST";
+
+ OS << MRO.getSize();
+
+ if (!V->getName().empty())
+ OS << "[" << V->getName() << " + " << MRO.getOffset() << "]";
+ else if (isa<PseudoSourceValue>(V))
+ OS << "[" << *V << " + " << MRO.getOffset() << "]";
+ else
+ OS << "[" << V << " + " << MRO.getOffset() << "]";
+ }
+ }
+
OS << "\n";
}
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineJumpTableInfo.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
+#include "llvm/CodeGen/PseudoSourceValue.h"
#include "llvm/Target/TargetFrameInfo.h"
#include "llvm/Target/TargetLowering.h"
#include "llvm/Target/TargetData.h"
SDOperand CPIdx = DAG.getConstantPool(LLVMC, TLI.getPointerTy());
if (Extend) {
return DAG.getExtLoad(ISD::EXTLOAD, MVT::f64, DAG.getEntryNode(),
- CPIdx, NULL, 0, MVT::f32);
+ CPIdx, &PseudoSourceValue::CPRel, 0, MVT::f32);
} else {
- return DAG.getLoad(VT, DAG.getEntryNode(), CPIdx, NULL, 0);
+ return DAG.getLoad(VT, DAG.getEntryNode(), CPIdx,
+ &PseudoSourceValue::CPRel, 0);
}
}
case ISD::TargetExternalSymbol:
case ISD::VALUETYPE:
case ISD::SRCVALUE:
+ case ISD::MEMOPERAND:
case ISD::STRING:
case ISD::CONDCODE:
// Primitives must all be legal.
MVT::ValueType IdxVT = Tmp3.getValueType();
MVT::ValueType PtrVT = TLI.getPointerTy();
SDOperand StackPtr = DAG.CreateStackTemporary(VT);
+
+ FrameIndexSDNode *StackPtrFI = dyn_cast<FrameIndexSDNode>(StackPtr.Val);
+ assert(StackPtrFI);
+ int SPFI = StackPtrFI->getIndex();
+
// Store the vector.
- SDOperand Ch = DAG.getStore(DAG.getEntryNode(), Tmp1, StackPtr, NULL, 0);
+ SDOperand Ch = DAG.getStore(DAG.getEntryNode(), Tmp1, StackPtr,
+ &PseudoSourceValue::FPRel, SPFI);
// Truncate or zero extend offset to target pointer type.
unsigned CastOpc = (IdxVT > PtrVT) ? ISD::TRUNCATE : ISD::ZERO_EXTEND;
Tmp3 = DAG.getNode(ISD::MUL, IdxVT, Tmp3,DAG.getConstant(EltSize, IdxVT));
SDOperand StackPtr2 = DAG.getNode(ISD::ADD, IdxVT, Tmp3, StackPtr);
// Store the scalar value.
- Ch = DAG.getStore(Ch, Tmp2, StackPtr2, NULL, 0);
+ Ch = DAG.getStore(Ch, Tmp2, StackPtr2, &PseudoSourceValue::FPRel, SPFI);
// Load the updated vector.
- Result = DAG.getLoad(VT, Ch, StackPtr, NULL, 0);
+ Result = DAG.getLoad(VT, Ch, StackPtr, &PseudoSourceValue::FPRel, SPFI);
break;
}
}
SDOperand LD;
switch (EntrySize) {
default: assert(0 && "Size of jump table not supported yet."); break;
- case 4: LD = DAG.getLoad(MVT::i32, Chain, Addr, NULL, 0); break;
- case 8: LD = DAG.getLoad(MVT::i64, Chain, Addr, NULL, 0); break;
+ case 4: LD = DAG.getLoad(MVT::i32, Chain, Addr,
+ &PseudoSourceValue::JTRel, 0); break;
+ case 8: LD = DAG.getLoad(MVT::i64, Chain, Addr,
+ &PseudoSourceValue::JTRel, 0); break;
}
Addr = LD;
}
break;
case TargetLowering::Expand: {
- SrcValueSDNode *SV = cast<SrcValueSDNode>(Node->getOperand(2));
- SDOperand VAList = DAG.getLoad(TLI.getPointerTy(), Tmp1, Tmp2,
- SV->getValue(), SV->getOffset());
+ const Value *V = cast<SrcValueSDNode>(Node->getOperand(2))->getValue();
+ SDOperand VAList = DAG.getLoad(TLI.getPointerTy(), Tmp1, Tmp2, V, 0);
// Increment the pointer, VAList, to the next vaarg
Tmp3 = DAG.getNode(ISD::ADD, TLI.getPointerTy(), VAList,
DAG.getConstant(MVT::getSizeInBits(VT)/8,
TLI.getPointerTy()));
// Store the incremented VAList to the legalized pointer
- Tmp3 = DAG.getStore(VAList.getValue(1), Tmp3, Tmp2, SV->getValue(),
- SV->getOffset());
+ Tmp3 = DAG.getStore(VAList.getValue(1), Tmp3, Tmp2, V, 0);
// Load the actual argument out of the pointer VAList
Result = DAG.getLoad(VT, Tmp3, VAList, NULL, 0);
Tmp1 = LegalizeOp(Result.getValue(1));
case TargetLowering::Expand:
// This defaults to loading a pointer from the input and storing it to the
// output, returning the chain.
- SrcValueSDNode *SVD = cast<SrcValueSDNode>(Node->getOperand(3));
- SrcValueSDNode *SVS = cast<SrcValueSDNode>(Node->getOperand(4));
- Tmp4 = DAG.getLoad(TLI.getPointerTy(), Tmp1, Tmp3, SVD->getValue(),
- SVD->getOffset());
- Result = DAG.getStore(Tmp4.getValue(1), Tmp4, Tmp2, SVS->getValue(),
- SVS->getOffset());
+ const Value *VD = cast<SrcValueSDNode>(Node->getOperand(3))->getValue();
+ const Value *VS = cast<SrcValueSDNode>(Node->getOperand(4))->getValue();
+ Tmp4 = DAG.getLoad(TLI.getPointerTy(), Tmp1, Tmp3, VD, 0);
+ Result = DAG.getStore(Tmp4.getValue(1), Tmp4, Tmp2, VS, 0);
break;
}
break;
Tmp3 = DAG.getVAArg(VT, Tmp1, Tmp2, Node->getOperand(2));
Result = TLI.CustomPromoteOperation(Tmp3, DAG);
} else {
- SrcValueSDNode *SV = cast<SrcValueSDNode>(Node->getOperand(2));
- SDOperand VAList = DAG.getLoad(TLI.getPointerTy(), Tmp1, Tmp2,
- SV->getValue(), SV->getOffset());
+ const Value *V = cast<SrcValueSDNode>(Node->getOperand(2))->getValue();
+ SDOperand VAList = DAG.getLoad(TLI.getPointerTy(), Tmp1, Tmp2, V, 0);
// Increment the pointer, VAList, to the next vaarg
Tmp3 = DAG.getNode(ISD::ADD, TLI.getPointerTy(), VAList,
DAG.getConstant(MVT::getSizeInBits(VT)/8,
TLI.getPointerTy()));
// Store the incremented VAList to the legalized pointer
- Tmp3 = DAG.getStore(VAList.getValue(1), Tmp3, Tmp2, SV->getValue(),
- SV->getOffset());
+ Tmp3 = DAG.getStore(VAList.getValue(1), Tmp3, Tmp2, V, 0);
// Load the actual argument out of the pointer VAList
Result = DAG.getExtLoad(ISD::EXTLOAD, NVT, Tmp3, VAList, NULL, 0, VT);
}
// Create the stack frame object.
SDOperand FIPtr = DAG.CreateStackTemporary(SlotVT);
+ FrameIndexSDNode *StackPtrFI = dyn_cast<FrameIndexSDNode>(FIPtr);
+ assert(StackPtrFI);
+ int SPFI = StackPtrFI->getIndex();
+
unsigned SrcSize = MVT::getSizeInBits(SrcOp.getValueType());
unsigned SlotSize = MVT::getSizeInBits(SlotVT);
unsigned DestSize = MVT::getSizeInBits(DestVT);
// later than DestVT.
SDOperand Store;
if (SrcSize > SlotSize)
- Store = DAG.getTruncStore(DAG.getEntryNode(), SrcOp, FIPtr, NULL, 0,SlotVT);
+ Store = DAG.getTruncStore(DAG.getEntryNode(), SrcOp, FIPtr,
+ &PseudoSourceValue::FPRel, SPFI, SlotVT);
else {
assert(SrcSize == SlotSize && "Invalid store");
- Store = DAG.getStore(DAG.getEntryNode(), SrcOp, FIPtr, NULL, 0);
+ Store = DAG.getStore(DAG.getEntryNode(), SrcOp, FIPtr,
+ &PseudoSourceValue::FPRel, SPFI, SlotVT);
}
// Result is a load from the stack slot.
// Create a vector sized/aligned stack slot, store the value to element #0,
// then load the whole vector back out.
SDOperand StackPtr = DAG.CreateStackTemporary(Node->getValueType(0));
+
+ FrameIndexSDNode *StackPtrFI = dyn_cast<FrameIndexSDNode>(StackPtr);
+ assert(StackPtrFI);
+ int SPFI = StackPtrFI->getIndex();
+
SDOperand Ch = DAG.getStore(DAG.getEntryNode(), Node->getOperand(0), StackPtr,
- NULL, 0);
- return DAG.getLoad(Node->getValueType(0), Ch, StackPtr, NULL, 0);
+ &PseudoSourceValue::FPRel, SPFI);
+ return DAG.getLoad(Node->getValueType(0), Ch, StackPtr,
+ &PseudoSourceValue::FPRel, SPFI);
}
}
Constant *CP = ConstantVector::get(CV);
SDOperand CPIdx = DAG.getConstantPool(CP, TLI.getPointerTy());
- return DAG.getLoad(VT, DAG.getEntryNode(), CPIdx, NULL, 0);
+ return DAG.getLoad(VT, DAG.getEntryNode(), CPIdx,
+ &PseudoSourceValue::CPRel, 0);
}
if (SplatValue.Val) { // Splat of one value?
CPIdx = DAG.getNode(ISD::ADD, TLI.getPointerTy(), CPIdx, CstOffset);
SDOperand FudgeInReg;
if (DestTy == MVT::f32)
- FudgeInReg = DAG.getLoad(MVT::f32, DAG.getEntryNode(), CPIdx, NULL, 0);
+ FudgeInReg = DAG.getLoad(MVT::f32, DAG.getEntryNode(), CPIdx,
+ &PseudoSourceValue::CPRel, 0);
else if (MVT::getSizeInBits(DestTy) > MVT::getSizeInBits(MVT::f32))
// FIXME: Avoid the extend by construction the right constantpool?
FudgeInReg = DAG.getExtLoad(ISD::EXTLOAD, DestTy, DAG.getEntryNode(),
- CPIdx, NULL, 0, MVT::f32);
+ CPIdx, &PseudoSourceValue::CPRel, 0,
+ MVT::f32);
else
assert(0 && "Unexpected conversion");
CPIdx = DAG.getNode(ISD::ADD, TLI.getPointerTy(), CPIdx, CstOffset);
SDOperand FudgeInReg;
if (DestVT == MVT::f32)
- FudgeInReg = DAG.getLoad(MVT::f32, DAG.getEntryNode(), CPIdx, NULL, 0);
+ FudgeInReg = DAG.getLoad(MVT::f32, DAG.getEntryNode(), CPIdx,
+ &PseudoSourceValue::CPRel, 0);
else {
FudgeInReg = LegalizeOp(DAG.getExtLoad(ISD::EXTLOAD, DestVT,
DAG.getEntryNode(), CPIdx,
- NULL, 0, MVT::f32));
+ &PseudoSourceValue::CPRel, 0,
+ MVT::f32));
}
return DAG.getNode(ISD::FADD, DestVT, Tmp1, FudgeInReg);
// Lower to a store/load so that it can be split.
// FIXME: this could be improved probably.
SDOperand Ptr = DAG.CreateStackTemporary(InOp.getValueType());
+ FrameIndexSDNode *FI = dyn_cast<FrameIndexSDNode>(Ptr.Val);
+ assert(FI && "Expecting CreateStackTemporary to return a frame index.\n");
SDOperand St = DAG.getStore(DAG.getEntryNode(),
- InOp, Ptr, NULL, 0);
- InOp = DAG.getLoad(Op.getValueType(), St, Ptr, NULL, 0);
+ InOp, Ptr,
+ &PseudoSourceValue::FPRel, FI->getIndex());
+ InOp = DAG.getLoad(Op.getValueType(), St, Ptr,
+ &PseudoSourceValue::FPRel, FI->getIndex());
}
// Split the vector and convert each of the pieces now.
SplitVectorOp(InOp, Lo, Hi);
return N;
}
-/// CountOperands The inputs to target nodes have any actual inputs first,
-/// followed by an optional chain operand, then flag operands. Compute the
-/// number of actual operands that will go into the machine instr.
+/// CountOperands - The inputs to target nodes have any actual inputs first,
+/// followed by optional memory operands chain operand, then flag operands.
+/// Compute the number of actual operands that will go into the machine istr.
unsigned ScheduleDAG::CountOperands(SDNode *Node) {
+ unsigned N = Node->getNumOperands();
+ while (N && Node->getOperand(N - 1).getValueType() == MVT::Flag)
+ --N;
+ if (N && Node->getOperand(N - 1).getValueType() == MVT::Other)
+ --N; // Ignore chain if it exists.
+ while (N && MemOperandSDNode::classof(Node->getOperand(N - 1).Val))
+ --N; // Ignore MemOperand nodes
+ return N;
+}
+
+/// CountMemOperands - Find the index of the last MemOperandSDNode operand
+unsigned ScheduleDAG::CountMemOperands(SDNode *Node) {
unsigned N = Node->getNumOperands();
while (N && Node->getOperand(N - 1).getValueType() == MVT::Flag)
--N;
}
+void ScheduleDAG::AddMemOperand(MachineInstr *MI, const MemOperand &MO) {
+ MI->addMemOperand(MO);
+}
+
// Returns the Register Class of a subregister
static const TargetRegisterClass *getSubRegisterRegClass(
const TargetRegisterClass *TRC,
unsigned NumResults = CountResults(Node);
unsigned NodeOperands = CountOperands(Node);
+ unsigned NodeMemOperands = CountMemOperands(Node);
unsigned NumMIOperands = NodeOperands + NumResults;
bool HasPhysRegOuts = (NumResults > II.getNumDefs()) &&
II.getImplicitDefs() != 0;
for (unsigned i = 0; i != NodeOperands; ++i)
AddOperand(MI, Node->getOperand(i), i+II.getNumDefs(), &II, VRBaseMap);
+ // Emit all of the memory operands of this instruction
+ for (unsigned i = NodeOperands; i != NodeMemOperands; ++i)
+ AddMemOperand(MI, cast<MemOperandSDNode>(Node->getOperand(i))->MO);
+
// Commute node if it has been determined to be profitable.
if (CommuteSet.count(Node)) {
MachineInstr *NewMI = TII->commuteInstruction(MI);
case ISD::EntryToken: // fall thru
case ISD::TokenFactor:
case ISD::LABEL:
+ case ISD::SRCVALUE:
break;
case ISD::CopyToReg: {
unsigned InReg;
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/MachineConstantPool.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
+#include "llvm/CodeGen/PseudoSourceValue.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Target/MRegisterInfo.h"
#include "llvm/Target/TargetData.h"
case ISD::Register:
ID.AddInteger(cast<RegisterSDNode>(N)->getReg());
break;
- case ISD::SRCVALUE: {
- SrcValueSDNode *SV = cast<SrcValueSDNode>(N);
- ID.AddPointer(SV->getValue());
- ID.AddInteger(SV->getOffset());
+ case ISD::SRCVALUE:
+ ID.AddPointer(cast<SrcValueSDNode>(N)->getValue());
+ break;
+ case ISD::MEMOPERAND: {
+ const MemOperand &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());
break;
}
case ISD::FrameIndex:
return SDOperand(N, 0);
}
-SDOperand SelectionDAG::getSrcValue(const Value *V, int Offset) {
+SDOperand SelectionDAG::getSrcValue(const Value *V) {
assert((!V || isa<PointerType>(V->getType())) &&
"SrcValue is not a pointer?");
FoldingSetNodeID ID;
AddNodeIDNode(ID, ISD::SRCVALUE, getVTList(MVT::Other), 0, 0);
ID.AddPointer(V);
- ID.AddInteger(Offset);
+
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
return SDOperand(E, 0);
- SDNode *N = new SrcValueSDNode(V, Offset);
+
+ SDNode *N = new SrcValueSDNode(V);
+ CSEMap.InsertNode(N, IP);
+ AllNodes.push_back(N);
+ return SDOperand(N, 0);
+}
+
+SDOperand SelectionDAG::getMemOperand(const MemOperand &MO) {
+ const Value *v = MO.getValue();
+ assert((!v || isa<PointerType>(v->getType())) &&
+ "SrcValue is not a pointer?");
+
+ 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());
+
+ void *IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return SDOperand(E, 0);
+
+ SDNode *N = new MemOperandSDNode(MO);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
return SDOperand(N, 0);
void ConstantPoolSDNode::ANCHOR() {}
void BasicBlockSDNode::ANCHOR() {}
void SrcValueSDNode::ANCHOR() {}
+void MemOperandSDNode::ANCHOR() {}
void RegisterSDNode::ANCHOR() {}
void ExternalSymbolSDNode::ANCHOR() {}
void CondCodeSDNode::ANCHOR() {}
TheGlobal = const_cast<GlobalValue*>(GA);
}
+/// getMemOperand - Return a MemOperand object describing the memory
+/// reference performed by this load or store.
+MemOperand LSBaseSDNode::getMemOperand() const {
+ int Size = (MVT::getSizeInBits(getMemoryVT()) + 7) >> 3;
+ int Flags =
+ getOpcode() == ISD::LOAD ? MemOperand::MOLoad : MemOperand::MOStore;
+ if (IsVolatile) Flags |= MemOperand::MOVolatile;
+
+ // Check if the load references a frame index, and does not have
+ // an SV attached.
+ const FrameIndexSDNode *FI =
+ dyn_cast<const FrameIndexSDNode>(getBasePtr().Val);
+ if (!getSrcValue() && FI)
+ return MemOperand(&PseudoSourceValue::FPRel, Flags,
+ FI->getIndex(), Size, Alignment);
+ else
+ return MemOperand(getSrcValue(), Flags,
+ getSrcValueOffset(), Size, Alignment);
+}
+
/// Profile - Gather unique data for the node.
///
void SDNode::Profile(FoldingSetNodeID &ID) {
case ISD::PCMARKER: return "PCMarker";
case ISD::READCYCLECOUNTER: return "ReadCycleCounter";
case ISD::SRCVALUE: return "SrcValue";
+ case ISD::MEMOPERAND: return "MemOperand";
case ISD::EntryToken: return "EntryToken";
case ISD::TokenFactor: return "TokenFactor";
case ISD::AssertSext: return "AssertSext";
cerr << "'" << ES->getSymbol() << "'";
} else if (const SrcValueSDNode *M = dyn_cast<SrcValueSDNode>(this)) {
if (M->getValue())
- cerr << "<" << M->getValue() << ":" << M->getOffset() << ">";
+ cerr << "<" << M->getValue() << ">";
+ else
+ cerr << "<null>";
+ } else if (const MemOperandSDNode *M = dyn_cast<MemOperandSDNode>(this)) {
+ if (M->MO.getValue())
+ cerr << "<" << M->MO.getValue() << ":" << M->MO.getOffset() << ">";
else
- cerr << "<null:" << M->getOffset() << ">";
+ cerr << "<null:" << M->MO.getOffset() << ">";
} else if (const VTSDNode *N = dyn_cast<VTSDNode>(this)) {
cerr << ":" << MVT::getValueTypeString(N->getVT());
} else if (const LoadSDNode *LD = dyn_cast<LoadSDNode>(this)) {
Op += "'" + std::string(ES->getSymbol()) + "'";
} else if (const SrcValueSDNode *M = dyn_cast<SrcValueSDNode>(Node)) {
if (M->getValue())
- Op += "<" + M->getValue()->getName() + ":" + itostr(M->getOffset()) + ">";
+ Op += "<" + M->getValue()->getName() + ">";
else
- Op += "<null:" + itostr(M->getOffset()) + ">";
+ Op += "<null>";
+ } else if (const MemOperandSDNode *M = dyn_cast<MemOperandSDNode>(Node)) {
+ if (M->MO.getValue())
+ Op += "<" + M->MO.getValue()->getName() + ":" + itostr(M->MO.getOffset()) + ">";
+ else
+ Op += "<null:" + itostr(M->MO.getOffset()) + ">";
} else if (const VTSDNode *N = dyn_cast<VTSDNode>(Node)) {
Op = Op + " VT=" + MVT::getValueTypeString(N->getVT());
} else if (const StringSDNode *N = dyn_cast<StringSDNode>(Node)) {
// memory location argument.
MVT::ValueType PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
SDOperand FR = DAG.getFrameIndex(VarArgsFrameIndex, PtrVT);
- SrcValueSDNode *SV = cast<SrcValueSDNode>(Op.getOperand(2));
- return DAG.getStore(Op.getOperand(0), FR, Op.getOperand(1), SV->getValue(),
- SV->getOffset());
+ const Value *SV = cast<SrcValueSDNode>(Op.getOperand(2))->getValue();
+ return DAG.getStore(Op.getOperand(0), FR, Op.getOperand(1), SV, 0);
}
static SDOperand LowerFORMAL_ARGUMENT(SDOperand Op, SelectionDAG &DAG,
case ISD::VAARG: {
SDOperand Chain = Op.getOperand(0);
SDOperand VAListP = Op.getOperand(1);
- SrcValueSDNode *VAListS = cast<SrcValueSDNode>(Op.getOperand(2));
+ const Value *VAListS = cast<SrcValueSDNode>(Op.getOperand(2))->getValue();
- SDOperand Base = DAG.getLoad(MVT::i64, Chain, VAListP, VAListS->getValue(),
- VAListS->getOffset());
+ SDOperand Base = DAG.getLoad(MVT::i64, Chain, VAListP, VAListS, 0);
SDOperand Tmp = DAG.getNode(ISD::ADD, MVT::i64, VAListP,
DAG.getConstant(8, MVT::i64));
SDOperand Offset = DAG.getExtLoad(ISD::SEXTLOAD, MVT::i64, Base.getValue(1),
SDOperand Chain = Op.getOperand(0);
SDOperand DestP = Op.getOperand(1);
SDOperand SrcP = Op.getOperand(2);
- SrcValueSDNode *DestS = cast<SrcValueSDNode>(Op.getOperand(3));
- SrcValueSDNode *SrcS = cast<SrcValueSDNode>(Op.getOperand(4));
+ const Value *DestS = cast<SrcValueSDNode>(Op.getOperand(3))->getValue();
+ const Value *SrcS = cast<SrcValueSDNode>(Op.getOperand(4))->getValue();
- SDOperand Val = DAG.getLoad(getPointerTy(), Chain, SrcP,
- SrcS->getValue(), SrcS->getOffset());
- SDOperand Result = DAG.getStore(Val.getValue(1), Val, DestP, DestS->getValue(),
- DestS->getOffset());
+ SDOperand Val = DAG.getLoad(getPointerTy(), Chain, SrcP, SrcS, 0);
+ SDOperand Result = DAG.getStore(Val.getValue(1), Val, DestP, DestS, 0);
SDOperand NP = DAG.getNode(ISD::ADD, MVT::i64, SrcP,
DAG.getConstant(8, MVT::i64));
Val = DAG.getExtLoad(ISD::SEXTLOAD, MVT::i64, Result, NP, NULL,0, MVT::i32);
case ISD::VASTART: {
SDOperand Chain = Op.getOperand(0);
SDOperand VAListP = Op.getOperand(1);
- SrcValueSDNode *VAListS = cast<SrcValueSDNode>(Op.getOperand(2));
+ const Value *VAListS = cast<SrcValueSDNode>(Op.getOperand(2))->getValue();
// vastart stores the address of the VarArgsBase and VarArgsOffset
SDOperand FR = DAG.getFrameIndex(VarArgsBase, MVT::i64);
- SDOperand S1 = DAG.getStore(Chain, FR, VAListP, VAListS->getValue(),
- VAListS->getOffset());
+ SDOperand S1 = DAG.getStore(Chain, FR, VAListP, VAListS, 0);
SDOperand SA2 = DAG.getNode(ISD::ADD, MVT::i64, VAListP,
DAG.getConstant(8, MVT::i64));
return DAG.getTruncStore(S1, DAG.getConstant(VarArgsOffset, MVT::i64),
}
case ISD::VAARG: {
MVT::ValueType VT = getPointerTy();
- SrcValueSDNode *SV = cast<SrcValueSDNode>(Op.getOperand(2));
+ const Value *SV = cast<SrcValueSDNode>(Op.getOperand(2))->getValue();
SDOperand VAList = DAG.getLoad(VT, Op.getOperand(0), Op.getOperand(1),
- SV->getValue(), SV->getOffset());
+ SV, 0);
// Increment the pointer, VAList, to the next vaarg
SDOperand VAIncr = DAG.getNode(ISD::ADD, VT, VAList,
DAG.getConstant(MVT::getSizeInBits(VT)/8,
VT));
// Store the incremented VAList to the legalized pointer
VAIncr = DAG.getStore(VAList.getValue(1), VAIncr,
- Op.getOperand(1), SV->getValue(), SV->getOffset());
+ Op.getOperand(1), SV, 0);
// Load the actual argument out of the pointer VAList
return DAG.getLoad(Op.getValueType(), VAIncr, VAList, NULL, 0);
}
// vastart just stores the address of the VarArgsFrameIndex slot into the
// memory location argument.
SDOperand FR = DAG.getFrameIndex(VarArgsFrameIndex, MVT::i64);
- SrcValueSDNode *SV = cast<SrcValueSDNode>(Op.getOperand(2));
- return DAG.getStore(Op.getOperand(0), FR,
- Op.getOperand(1), SV->getValue(), SV->getOffset());
+ const Value *SV = cast<SrcValueSDNode>(Op.getOperand(2))->getValue();
+ return DAG.getStore(Op.getOperand(0), FR, Op.getOperand(1), SV, 0);
}
// Frame & Return address. Currently unimplemented
case ISD::RETURNADDR: break;
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
+#include "llvm/CodeGen/PseudoSourceValue.h"
#include "llvm/CodeGen/SelectionDAG.h"
#include "llvm/Constants.h"
#include "llvm/Function.h"
// memory location argument.
MVT::ValueType PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
SDOperand FR = DAG.getFrameIndex(VarArgsFrameIndex, PtrVT);
- SrcValueSDNode *SV = cast<SrcValueSDNode>(Op.getOperand(2));
- return DAG.getStore(Op.getOperand(0), FR, Op.getOperand(1), SV->getValue(),
- SV->getOffset());
+ const Value *SV = cast<SrcValueSDNode>(Op.getOperand(2))->getValue();
+ return DAG.getStore(Op.getOperand(0), FR, Op.getOperand(1), SV, 0);
}
// For ELF 32 ABI we follow the layout of the va_list struct.
MVT::ValueType PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
- SDOperand StackOffset = DAG.getFrameIndex(VarArgsStackOffset, PtrVT);
+ SDOperand StackOffsetFI = DAG.getFrameIndex(VarArgsStackOffset, PtrVT);
SDOperand FR = DAG.getFrameIndex(VarArgsFrameIndex, PtrVT);
- SDOperand ConstFrameOffset = DAG.getConstant(MVT::getSizeInBits(PtrVT)/8,
- PtrVT);
- SDOperand ConstStackOffset = DAG.getConstant(MVT::getSizeInBits(PtrVT)/8 - 1,
- PtrVT);
- SDOperand ConstFPROffset = DAG.getConstant(1, PtrVT);
+ uint64_t FrameOffset = MVT::getSizeInBits(PtrVT)/8;
+ SDOperand ConstFrameOffset = DAG.getConstant(FrameOffset, PtrVT);
+
+ uint64_t StackOffset = MVT::getSizeInBits(PtrVT)/8 - 1;
+ SDOperand ConstStackOffset = DAG.getConstant(StackOffset, PtrVT);
+
+ uint64_t FPROffset = 1;
+ SDOperand ConstFPROffset = DAG.getConstant(FPROffset, PtrVT);
- SrcValueSDNode *SV = cast<SrcValueSDNode>(Op.getOperand(2));
+ const Value *SV = cast<SrcValueSDNode>(Op.getOperand(2))->getValue();
// Store first byte : number of int regs
SDOperand firstStore = DAG.getStore(Op.getOperand(0), ArgGPR,
- Op.getOperand(1), SV->getValue(),
- SV->getOffset());
+ Op.getOperand(1), SV, 0);
+ uint64_t nextOffset = FPROffset;
SDOperand nextPtr = DAG.getNode(ISD::ADD, PtrVT, Op.getOperand(1),
ConstFPROffset);
// Store second byte : number of float regs
- SDOperand secondStore = DAG.getStore(firstStore, ArgFPR, nextPtr,
- SV->getValue(), SV->getOffset());
+ SDOperand secondStore =
+ DAG.getStore(firstStore, ArgFPR, nextPtr, SV, nextOffset);
+ nextOffset += StackOffset;
nextPtr = DAG.getNode(ISD::ADD, PtrVT, nextPtr, ConstStackOffset);
// Store second word : arguments given on stack
- SDOperand thirdStore = DAG.getStore(secondStore, StackOffset, nextPtr,
- SV->getValue(), SV->getOffset());
+ SDOperand thirdStore =
+ DAG.getStore(secondStore, StackOffsetFI, nextPtr, SV, nextOffset);
+ nextOffset += FrameOffset;
nextPtr = DAG.getNode(ISD::ADD, PtrVT, nextPtr, ConstFrameOffset);
// Store third word : arguments given in registers
- return DAG.getStore(thirdStore, FR, nextPtr, SV->getValue(),
- SV->getOffset());
+ return DAG.getStore(thirdStore, FR, nextPtr, SV, nextOffset);
}
Op.getOperand(0));
// STD the extended value into the stack slot.
+ MemOperand MO(&PseudoSourceValue::FPRel,
+ MemOperand::MOStore, FrameIdx, 8, 8);
SDOperand Store = DAG.getNode(PPCISD::STD_32, MVT::Other,
DAG.getEntryNode(), Ext64, FIdx,
- DAG.getSrcValue(NULL));
+ DAG.getMemOperand(MO));
// Load the value as a double.
SDOperand Ld = DAG.getLoad(MVT::f64, Store, FIdx, NULL, 0);
std::vector<MVT::ValueType> VTs;
VTs.push_back(MVT::i32);
VTs.push_back(MVT::Other);
- SDOperand SV = DAG.getSrcValue(LD->getSrcValue(), LD->getSrcValueOffset());
+ SDOperand MO = DAG.getMemOperand(LD->getMemOperand());
SDOperand Ops[] = {
LD->getChain(), // Chain
LD->getBasePtr(), // Ptr
- SV, // SrcValue
+ MO, // MemOperand
DAG.getValueType(N->getValueType(0)) // VT
};
SDOperand BSLoad = DAG.getNode(PPCISD::LBRX, VTs, Ops, 4);
SDOperand Offset = DAG.getNode(ISD::ADD, MVT::i32,
DAG.getRegister(SP::I6, MVT::i32),
DAG.getConstant(VarArgsFrameOffset, MVT::i32));
- SrcValueSDNode *SV = cast<SrcValueSDNode>(Op.getOperand(2));
- return DAG.getStore(Op.getOperand(0), Offset,
- Op.getOperand(1), SV->getValue(), SV->getOffset());
+ const Value *SV = cast<SrcValueSDNode>(Op.getOperand(2))->getValue();
+ return DAG.getStore(Op.getOperand(0), Offset, Op.getOperand(1), SV, 0);
}
case ISD::VAARG: {
SDNode *Node = Op.Val;
MVT::ValueType VT = Node->getValueType(0);
SDOperand InChain = Node->getOperand(0);
SDOperand VAListPtr = Node->getOperand(1);
- SrcValueSDNode *SV = cast<SrcValueSDNode>(Node->getOperand(2));
- SDOperand VAList = DAG.getLoad(getPointerTy(), InChain, VAListPtr,
- SV->getValue(), SV->getOffset());
+ const Value *SV = cast<SrcValueSDNode>(Node->getOperand(2))->getValue();
+ SDOperand VAList = DAG.getLoad(getPointerTy(), InChain, VAListPtr, SV, 0);
// Increment the pointer, VAList, to the next vaarg
SDOperand NextPtr = DAG.getNode(ISD::ADD, getPointerTy(), VAList,
DAG.getConstant(MVT::getSizeInBits(VT)/8,
getPointerTy()));
// Store the incremented VAList to the legalized pointer
InChain = DAG.getStore(VAList.getValue(1), NextPtr,
- VAListPtr, SV->getValue(), SV->getOffset());
+ VAListPtr, SV, 0);
// Load the actual argument out of the pointer VAList, unless this is an
// f64 load.
if (VT != MVT::f64) {
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
+#include "llvm/CodeGen/PseudoSourceValue.h"
#include "llvm/CodeGen/SelectionDAG.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/Debug.h"
SDOperand FIN = DAG.getFrameIndex(FI, getPointerTy());
if (isByVal)
return FIN;
- return DAG.getLoad(VA.getValVT(), Root, FIN, NULL, 0);
+ return DAG.getLoad(VA.getValVT(), Root, FIN,
+ &PseudoSourceValue::FPRel, FI);
}
SDOperand
unsigned VReg = AddLiveIn(MF, GPR64ArgRegs[NumIntRegs],
X86::GR64RegisterClass);
SDOperand Val = DAG.getCopyFromReg(Root, VReg, MVT::i64);
- SDOperand Store = DAG.getStore(Val.getValue(1), Val, FIN, NULL, 0);
+ SDOperand Store = DAG.getStore(Val.getValue(1), Val, FIN,
+ &PseudoSourceValue::FPRel,
+ RegSaveFrameIndex);
MemOps.push_back(Store);
FIN = DAG.getNode(ISD::ADD, getPointerTy(), FIN,
DAG.getIntPtrConstant(8));
unsigned VReg = AddLiveIn(MF, XMMArgRegs[NumXMMRegs],
X86::VR128RegisterClass);
SDOperand Val = DAG.getCopyFromReg(Root, VReg, MVT::v4f32);
- SDOperand Store = DAG.getStore(Val.getValue(1), Val, FIN, NULL, 0);
+ SDOperand Store = DAG.getStore(Val.getValue(1), Val, FIN,
+ &PseudoSourceValue::FPRel,
+ RegSaveFrameIndex);
MemOps.push_back(Store);
FIN = DAG.getNode(ISD::ADD, getPointerTy(), FIN,
DAG.getIntPtrConstant(16));
Flags, DAG));
} else {
// Store relative to framepointer.
- MemOpChains2.push_back(DAG.getStore(Chain, Source, FIN, NULL, 0));
+ MemOpChains2.push_back(DAG.getStore(Chain, Source, FIN,
+ &PseudoSourceValue::FPRel, FI));
}
}
}
// the GV offset field. Platform check is inside GVRequiresExtraLoad() call
// The same applies for external symbols during PIC codegen
if (Subtarget->GVRequiresExtraLoad(GV, getTargetMachine(), false))
- Result = DAG.getLoad(getPointerTy(), DAG.getEntryNode(), Result, NULL, 0);
+ Result = DAG.getLoad(getPointerTy(), DAG.getEntryNode(), Result,
+ &PseudoSourceValue::GPRel, 0);
return Result;
}
SDOperand Offset = DAG.getNode(X86ISD::Wrapper, PtrVT, TGA);
if (GA->getGlobal()->isDeclaration()) // initial exec TLS model
- Offset = DAG.getLoad(PtrVT, DAG.getEntryNode(), Offset, NULL, 0);
+ Offset = DAG.getLoad(PtrVT, DAG.getEntryNode(), Offset,
+ &PseudoSourceValue::TPRel, 0);
// The address of the thread local variable is the add of the thread
// pointer with the offset of the variable.
int SSFI = MF.getFrameInfo()->CreateStackObject(Size, Size);
SDOperand StackSlot = DAG.getFrameIndex(SSFI, getPointerTy());
SDOperand Chain = DAG.getStore(DAG.getEntryNode(), Op.getOperand(0),
- StackSlot, NULL, 0);
+ StackSlot, &PseudoSourceValue::FPRel, SSFI);
// These are really Legal; caller falls through into that case.
if (SrcVT == MVT::i32 && isScalarFPTypeInSSEReg(Op.getValueType()))
Ops.push_back(DAG.getValueType(Op.getValueType()));
Ops.push_back(InFlag);
Chain = DAG.getNode(X86ISD::FST, Tys, &Ops[0], Ops.size());
- Result = DAG.getLoad(Op.getValueType(), Chain, StackSlot, NULL, 0);
+ Result = DAG.getLoad(Op.getValueType(), Chain, StackSlot,
+ &PseudoSourceValue::FPRel, SSFI);
}
return Result;
SDOperand Value = Op.getOperand(0);
if (isScalarFPTypeInSSEReg(Op.getOperand(0).getValueType())) {
assert(Op.getValueType() == MVT::i64 && "Invalid FP_TO_SINT to lower!");
- Chain = DAG.getStore(Chain, Value, StackSlot, NULL, 0);
+ Chain = DAG.getStore(Chain, Value, StackSlot,
+ &PseudoSourceValue::FPRel, SSFI);
SDVTList Tys = DAG.getVTList(Op.getOperand(0).getValueType(), MVT::Other);
SDOperand Ops[] = {
Chain, StackSlot, DAG.getValueType(Op.getOperand(0).getValueType())
}
Constant *C = ConstantVector::get(CV);
SDOperand CPIdx = DAG.getConstantPool(C, getPointerTy(), 4);
- SDOperand Mask = DAG.getLoad(VT, DAG.getEntryNode(), CPIdx, NULL, 0,
+ SDOperand Mask = DAG.getLoad(VT, DAG.getEntryNode(), CPIdx,
+ &PseudoSourceValue::CPRel, 0,
false, 16);
return DAG.getNode(X86ISD::FAND, VT, Op.getOperand(0), Mask);
}
}
Constant *C = ConstantVector::get(CV);
SDOperand CPIdx = DAG.getConstantPool(C, getPointerTy(), 4);
- SDOperand Mask = DAG.getLoad(VT, DAG.getEntryNode(), CPIdx, NULL, 0,
+ SDOperand Mask = DAG.getLoad(VT, DAG.getEntryNode(), CPIdx,
+ &PseudoSourceValue::CPRel, 0,
false, 16);
if (MVT::isVector(VT)) {
return DAG.getNode(ISD::BIT_CONVERT, VT,
}
Constant *C = ConstantVector::get(CV);
SDOperand CPIdx = DAG.getConstantPool(C, getPointerTy(), 4);
- SDOperand Mask1 = DAG.getLoad(SrcVT, DAG.getEntryNode(), CPIdx, NULL, 0,
+ SDOperand Mask1 = DAG.getLoad(SrcVT, DAG.getEntryNode(), CPIdx,
+ &PseudoSourceValue::CPRel, 0,
false, 16);
SDOperand SignBit = DAG.getNode(X86ISD::FAND, SrcVT, Op1, Mask1);
}
C = ConstantVector::get(CV);
CPIdx = DAG.getConstantPool(C, getPointerTy(), 4);
- SDOperand Mask2 = DAG.getLoad(VT, DAG.getEntryNode(), CPIdx, NULL, 0,
+ SDOperand Mask2 = DAG.getLoad(VT, DAG.getEntryNode(), CPIdx,
+ &PseudoSourceValue::CPRel, 0,
false, 16);
SDOperand Val = DAG.getNode(X86ISD::FAND, VT, Op0, Mask2);
}
SDOperand X86TargetLowering::LowerVASTART(SDOperand Op, SelectionDAG &DAG) {
- SrcValueSDNode *SV = cast<SrcValueSDNode>(Op.getOperand(2));
+ const Value *SV = cast<SrcValueSDNode>(Op.getOperand(2))->getValue();
if (!Subtarget->is64Bit()) {
// vastart just stores the address of the VarArgsFrameIndex slot into the
// memory location argument.
SDOperand FR = DAG.getFrameIndex(VarArgsFrameIndex, getPointerTy());
- return DAG.getStore(Op.getOperand(0), FR,Op.getOperand(1), SV->getValue(),
- SV->getOffset());
+ return DAG.getStore(Op.getOperand(0), FR,Op.getOperand(1), SV, 0);
}
// __va_list_tag:
// Store gp_offset
SDOperand Store = DAG.getStore(Op.getOperand(0),
DAG.getConstant(VarArgsGPOffset, MVT::i32),
- FIN, SV->getValue(), SV->getOffset());
+ FIN, SV, 0);
MemOps.push_back(Store);
// Store fp_offset
FIN = DAG.getNode(ISD::ADD, getPointerTy(), FIN, DAG.getIntPtrConstant(4));
Store = DAG.getStore(Op.getOperand(0),
DAG.getConstant(VarArgsFPOffset, MVT::i32),
- FIN, SV->getValue(), SV->getOffset());
+ FIN, SV, 0);
MemOps.push_back(Store);
// Store ptr to overflow_arg_area
FIN = DAG.getNode(ISD::ADD, getPointerTy(), FIN, DAG.getIntPtrConstant(4));
SDOperand OVFIN = DAG.getFrameIndex(VarArgsFrameIndex, getPointerTy());
- Store = DAG.getStore(Op.getOperand(0), OVFIN, FIN, SV->getValue(),
- SV->getOffset());
+ Store = DAG.getStore(Op.getOperand(0), OVFIN, FIN, SV, 0);
MemOps.push_back(Store);
// Store ptr to reg_save_area.
FIN = DAG.getNode(ISD::ADD, getPointerTy(), FIN, DAG.getIntPtrConstant(8));
SDOperand RSFIN = DAG.getFrameIndex(RegSaveFrameIndex, getPointerTy());
- Store = DAG.getStore(Op.getOperand(0), RSFIN, FIN, SV->getValue(),
- SV->getOffset());
+ Store = DAG.getStore(Op.getOperand(0), RSFIN, FIN, SV, 0);
MemOps.push_back(Store);
return DAG.getNode(ISD::TokenFactor, MVT::Other, &MemOps[0], MemOps.size());
}
SDOperand Chain = Op.getOperand(0);
SDOperand DstPtr = Op.getOperand(1);
SDOperand SrcPtr = Op.getOperand(2);
- SrcValueSDNode *DstSV = cast<SrcValueSDNode>(Op.getOperand(3));
- SrcValueSDNode *SrcSV = cast<SrcValueSDNode>(Op.getOperand(4));
+ const Value *DstSV = cast<SrcValueSDNode>(Op.getOperand(3))->getValue();
+ const Value *SrcSV = cast<SrcValueSDNode>(Op.getOperand(4))->getValue();
- SrcPtr = DAG.getLoad(getPointerTy(), Chain, SrcPtr,
- SrcSV->getValue(), SrcSV->getOffset());
+ SrcPtr = DAG.getLoad(getPointerTy(), Chain, SrcPtr, SrcSV, 0);
Chain = SrcPtr.getValue(1);
for (unsigned i = 0; i < 3; ++i) {
- SDOperand Val = DAG.getLoad(MVT::i64, Chain, SrcPtr,
- SrcSV->getValue(), SrcSV->getOffset());
+ SDOperand Val = DAG.getLoad(MVT::i64, Chain, SrcPtr, SrcSV, 0);
Chain = Val.getValue(1);
- Chain = DAG.getStore(Chain, Val, DstPtr,
- DstSV->getValue(), DstSV->getOffset());
+ Chain = DAG.getStore(Chain, Val, DstPtr, DstSV, 0);
if (i == 2)
break;
SrcPtr = DAG.getNode(ISD::ADD, getPointerTy(), SrcPtr,
SDOperand FPtr = Op.getOperand(2); // nested function
SDOperand Nest = Op.getOperand(3); // 'nest' parameter value
- SrcValueSDNode *TrmpSV = cast<SrcValueSDNode>(Op.getOperand(4));
+ const Value *TrmpAddr = cast<SrcValueSDNode>(Op.getOperand(4))->getValue();
const X86InstrInfo *TII =
((X86TargetMachine&)getTargetMachine()).getInstrInfo();
unsigned OpCode = ((MOV64ri | N86R11) << 8) | REX_WB; // movabsq r11
SDOperand Addr = Trmp;
OutChains[0] = DAG.getStore(Root, DAG.getConstant(OpCode, MVT::i16), Addr,
- TrmpSV->getValue(), TrmpSV->getOffset());
+ TrmpAddr, 0);
Addr = DAG.getNode(ISD::ADD, MVT::i64, Trmp, DAG.getConstant(2, MVT::i64));
- OutChains[1] = DAG.getStore(Root, FPtr, Addr, TrmpSV->getValue(),
- TrmpSV->getOffset() + 2, false, 2);
+ OutChains[1] = DAG.getStore(Root, FPtr, Addr, TrmpAddr, 2, false, 2);
// Load the 'nest' parameter value into R10.
// R10 is specified in X86CallingConv.td
OpCode = ((MOV64ri | N86R10) << 8) | REX_WB; // movabsq r10
Addr = DAG.getNode(ISD::ADD, MVT::i64, Trmp, DAG.getConstant(10, MVT::i64));
OutChains[2] = DAG.getStore(Root, DAG.getConstant(OpCode, MVT::i16), Addr,
- TrmpSV->getValue(), TrmpSV->getOffset() + 10);
+ TrmpAddr, 10);
Addr = DAG.getNode(ISD::ADD, MVT::i64, Trmp, DAG.getConstant(12, MVT::i64));
- OutChains[3] = DAG.getStore(Root, Nest, Addr, TrmpSV->getValue(),
- TrmpSV->getOffset() + 12, false, 2);
+ OutChains[3] = DAG.getStore(Root, Nest, Addr, TrmpAddr, 12, false, 2);
// Jump to the nested function.
OpCode = (JMP64r << 8) | REX_WB; // jmpq *...
Addr = DAG.getNode(ISD::ADD, MVT::i64, Trmp, DAG.getConstant(20, MVT::i64));
OutChains[4] = DAG.getStore(Root, DAG.getConstant(OpCode, MVT::i16), Addr,
- TrmpSV->getValue(), TrmpSV->getOffset() + 20);
+ TrmpAddr, 20);
unsigned char ModRM = N86R11 | (4 << 3) | (3 << 6); // ...r11
Addr = DAG.getNode(ISD::ADD, MVT::i64, Trmp, DAG.getConstant(22, MVT::i64));
OutChains[5] = DAG.getStore(Root, DAG.getConstant(ModRM, MVT::i8), Addr,
- TrmpSV->getValue(), TrmpSV->getOffset() + 22);
+ TrmpAddr, 22);
SDOperand Ops[] =
{ Trmp, DAG.getNode(ISD::TokenFactor, MVT::Other, OutChains, 6) };
const unsigned char N86Reg =
((X86RegisterInfo*)RegInfo)->getX86RegNum(NestReg);
OutChains[0] = DAG.getStore(Root, DAG.getConstant(MOV32ri|N86Reg, MVT::i8),
- Trmp, TrmpSV->getValue(), TrmpSV->getOffset());
+ Trmp, TrmpAddr, 0);
Addr = DAG.getNode(ISD::ADD, MVT::i32, Trmp, DAG.getConstant(1, MVT::i32));
- OutChains[1] = DAG.getStore(Root, Nest, Addr, TrmpSV->getValue(),
- TrmpSV->getOffset() + 1, false, 1);
+ OutChains[1] = DAG.getStore(Root, Nest, Addr, TrmpAddr, 1, false, 1);
const unsigned char JMP = TII->getBaseOpcodeFor(X86::JMP);
Addr = DAG.getNode(ISD::ADD, MVT::i32, Trmp, DAG.getConstant(5, MVT::i32));
OutChains[2] = DAG.getStore(Root, DAG.getConstant(JMP, MVT::i8), Addr,
- TrmpSV->getValue() + 5, TrmpSV->getOffset());
+ TrmpAddr, 5, false, 1);
Addr = DAG.getNode(ISD::ADD, MVT::i32, Trmp, DAG.getConstant(6, MVT::i32));
- OutChains[3] = DAG.getStore(Root, Disp, Addr, TrmpSV->getValue(),
- TrmpSV->getOffset() + 6, false, 1);
+ OutChains[3] = DAG.getStore(Root, Disp, Addr, TrmpAddr, 6, false, 1);
SDOperand Ops[] =
{ Trmp, DAG.getNode(ISD::TokenFactor, MVT::Other, OutChains, 4) };
std::vector<std::pair<std::string, std::string> > OrigChains;
std::set<std::string> Duplicates;
+ /// LSI - Load/Store information.
+ /// Save loads/stores matched by a pattern, and generate a MemOperandSDNode
+ /// for each memory access. This facilitates the use of AliasAnalysis in
+ /// the backend.
+ std::vector<std::string> LSI;
+
/// GeneratedCode - This is the buffer that we emit code to. The first int
/// indicates whether this is an exit predicate (something that should be
/// tested, and if true, the match fails) [when 1], or normal code to emit
void EmitMatchCode(TreePatternNode *N, TreePatternNode *P,
const std::string &RootName, const std::string &ChainSuffix,
bool &FoundChain) {
+
+ // Save loads/stores matched by a pattern.
+ if (!N->isLeaf() && N->getName().empty() &&
+ ((N->getOperator()->getName() == "ld") ||
+ (N->getOperator()->getName() == "st") ||
+ (N->getOperator()->getName() == "ist"))) {
+ LSI.push_back(RootName);
+ }
+
bool isRoot = (P == NULL);
// Emit instruction predicates. Each predicate is just a string for now.
if (isRoot) {
}
}
+ // Generate MemOperandSDNodes nodes for each memory accesses covered by this
+ // pattern.
+ if (isRoot) {
+ std::vector<std::string>::const_iterator mi, mie;
+ for (mi = LSI.begin(), mie = LSI.end(); mi != mie; ++mi) {
+ emitCode("SDOperand LSI_" + *mi + " = "
+ "CurDAG->getMemOperand(cast<LSBaseSDNode>(" +
+ *mi + ")->getMemOperand());");
+ AllOps.push_back("LSI_" + *mi);
+ }
+ }
+
// Emit all the chain and CopyToReg stuff.
bool ChainEmitted = NodeHasChain;
if (NodeHasChain)
projects / oota-llvm.git / commitdiff