Rename getFixedStack to getStackObject. The stack objects represented are not

necessarily fixed. Only those will negative frame indices are "fixed."


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84315 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2009-10-17 06:22:26 +00:00
parent cac25a9452
commit bf125583f8
16 changed files with 51 additions and 48 deletions

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@ -47,9 +47,9 @@ namespace llvm {
return V->getValueID() == PseudoSourceValueVal;
}
/// A pseudo source value referencing a fixed stack frame entry,
/// e.g., a spill slot.
static const PseudoSourceValue *getFixedStack(int FI);
/// A pseudo source value referencing a stack frame entry,
/// e.g., a spill slot or an incoming argument on stack.
static const PseudoSourceValue *getStackObject(int FI);
/// A pseudo source value referencing the area below the stack frame of
/// a function, e.g., the argument space.

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@ -52,29 +52,31 @@ void PseudoSourceValue::printCustom(raw_ostream &O) const {
}
namespace {
/// FixedStackPseudoSourceValue - A specialized PseudoSourceValue
/// for holding FixedStack values, which must include a frame
/// StackObjectPseudoSourceValue - A specialized PseudoSourceValue
/// for holding StackObject values, which must include a frame
/// index.
class VISIBILITY_HIDDEN FixedStackPseudoSourceValue
class VISIBILITY_HIDDEN StackObjectPseudoSourceValue
: public PseudoSourceValue {
const int FI;
public:
explicit FixedStackPseudoSourceValue(int fi) : FI(fi) {}
explicit StackObjectPseudoSourceValue(int fi) : FI(fi) {}
virtual bool isConstant(const MachineFrameInfo *MFI) const;
virtual void printCustom(raw_ostream &OS) const {
OS << "FixedStack" << FI;
if (FI < 0)
OS << "Fixed";
OS << "StackObject" << FI;
}
};
}
static ManagedStatic<std::map<int, const PseudoSourceValue *> > FSValues;
const PseudoSourceValue *PseudoSourceValue::getFixedStack(int FI) {
const PseudoSourceValue *PseudoSourceValue::getStackObject(int FI) {
const PseudoSourceValue *&V = (*FSValues)[FI];
if (!V)
V = new FixedStackPseudoSourceValue(FI);
V = new StackObjectPseudoSourceValue(FI);
return V;
}
@ -89,6 +91,7 @@ bool PseudoSourceValue::isConstant(const MachineFrameInfo *) const {
return false;
}
bool FixedStackPseudoSourceValue::isConstant(const MachineFrameInfo *MFI) const{
bool
StackObjectPseudoSourceValue::isConstant(const MachineFrameInfo *MFI) const {
return MFI && MFI->isImmutableObjectIndex(FI);
}

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@ -643,7 +643,7 @@ PerformInsertVectorEltInMemory(SDValue Vec, SDValue Val, SDValue Idx,
// Store the vector.
SDValue Ch = DAG.getStore(DAG.getEntryNode(), dl, Tmp1, StackPtr,
PseudoSourceValue::getFixedStack(SPFI), 0);
PseudoSourceValue::getStackObject(SPFI), 0);
// Truncate or zero extend offset to target pointer type.
unsigned CastOpc = IdxVT.bitsGT(PtrVT) ? ISD::TRUNCATE : ISD::ZERO_EXTEND;
@ -654,10 +654,10 @@ PerformInsertVectorEltInMemory(SDValue Vec, SDValue Val, SDValue Idx,
SDValue StackPtr2 = DAG.getNode(ISD::ADD, dl, IdxVT, Tmp3, StackPtr);
// Store the scalar value.
Ch = DAG.getTruncStore(Ch, dl, Tmp2, StackPtr2,
PseudoSourceValue::getFixedStack(SPFI), 0, EltVT);
PseudoSourceValue::getStackObject(SPFI), 0, EltVT);
// Load the updated vector.
return DAG.getLoad(VT, dl, Ch, StackPtr,
PseudoSourceValue::getFixedStack(SPFI), 0);
PseudoSourceValue::getStackObject(SPFI), 0);
}
@ -1518,7 +1518,7 @@ SDValue SelectionDAGLegalize::ExpandVectorBuildThroughStack(SDNode* Node) {
DebugLoc dl = Node->getDebugLoc();
SDValue FIPtr = DAG.CreateStackTemporary(VT);
int FI = cast<FrameIndexSDNode>(FIPtr.getNode())->getIndex();
const Value *SV = PseudoSourceValue::getFixedStack(FI);
const Value *SV = PseudoSourceValue::getStackObject(FI);
// Emit a store of each element to the stack slot.
SmallVector<SDValue, 8> Stores;
@ -1714,7 +1714,7 @@ SDValue SelectionDAGLegalize::EmitStackConvert(SDValue SrcOp,
FrameIndexSDNode *StackPtrFI = cast<FrameIndexSDNode>(FIPtr);
int SPFI = StackPtrFI->getIndex();
const Value *SV = PseudoSourceValue::getFixedStack(SPFI);
const Value *SV = PseudoSourceValue::getStackObject(SPFI);
unsigned SrcSize = SrcOp.getValueType().getSizeInBits();
unsigned SlotSize = SlotVT.getSizeInBits();
@ -1755,10 +1755,10 @@ SDValue SelectionDAGLegalize::ExpandSCALAR_TO_VECTOR(SDNode *Node) {
SDValue Ch = DAG.getTruncStore(DAG.getEntryNode(), dl, Node->getOperand(0),
StackPtr,
PseudoSourceValue::getFixedStack(SPFI), 0,
PseudoSourceValue::getStackObject(SPFI), 0,
Node->getValueType(0).getVectorElementType());
return DAG.getLoad(Node->getValueType(0), dl, Ch, StackPtr,
PseudoSourceValue::getFixedStack(SPFI), 0);
PseudoSourceValue::getStackObject(SPFI), 0);
}

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@ -119,7 +119,7 @@ void DAGTypeLegalizer::ExpandRes_BIT_CONVERT(SDNode *N, SDValue &Lo,
getTypeForEVT(*DAG.getContext()));
SDValue StackPtr = DAG.CreateStackTemporary(InVT, Alignment);
int SPFI = cast<FrameIndexSDNode>(StackPtr.getNode())->getIndex();
const Value *SV = PseudoSourceValue::getFixedStack(SPFI);
const Value *SV = PseudoSourceValue::getStackObject(SPFI);
// Emit a store to the stack slot.
SDValue Store = DAG.getStore(DAG.getEntryNode(), dl, InOp, StackPtr, SV, 0);

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@ -1058,7 +1058,7 @@ SDValue DAGTypeLegalizer::SplitVecOp_EXTRACT_VECTOR_ELT(SDNode *N) {
DebugLoc dl = N->getDebugLoc();
SDValue StackPtr = DAG.CreateStackTemporary(VecVT);
int SPFI = cast<FrameIndexSDNode>(StackPtr.getNode())->getIndex();
const Value *SV = PseudoSourceValue::getFixedStack(SPFI);
const Value *SV = PseudoSourceValue::getStackObject(SPFI);
SDValue Store = DAG.getStore(DAG.getEntryNode(), dl, Vec, StackPtr, SV, 0);
// Load back the required element.

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@ -3514,7 +3514,7 @@ SDValue SelectionDAG::getAtomic(unsigned Opcode, DebugLoc dl, EVT MemVT,
if (!PtrVal)
if (const FrameIndexSDNode *FI =
dyn_cast<const FrameIndexSDNode>(Ptr.getNode()))
PtrVal = PseudoSourceValue::getFixedStack(FI->getIndex());
PtrVal = PseudoSourceValue::getStackObject(FI->getIndex());
MachineFunction &MF = getMachineFunction();
unsigned Flags = MachineMemOperand::MOLoad | MachineMemOperand::MOStore;
@ -3567,7 +3567,7 @@ SDValue SelectionDAG::getAtomic(unsigned Opcode, DebugLoc dl, EVT MemVT,
if (!PtrVal)
if (const FrameIndexSDNode *FI =
dyn_cast<const FrameIndexSDNode>(Ptr.getNode()))
PtrVal = PseudoSourceValue::getFixedStack(FI->getIndex());
PtrVal = PseudoSourceValue::getStackObject(FI->getIndex());
MachineFunction &MF = getMachineFunction();
unsigned Flags = MachineMemOperand::MOLoad | MachineMemOperand::MOStore;
@ -3714,7 +3714,7 @@ SelectionDAG::getLoad(ISD::MemIndexedMode AM, DebugLoc dl,
if (!SV)
if (const FrameIndexSDNode *FI =
dyn_cast<const FrameIndexSDNode>(Ptr.getNode()))
SV = PseudoSourceValue::getFixedStack(FI->getIndex());
SV = PseudoSourceValue::getStackObject(FI->getIndex());
MachineFunction &MF = getMachineFunction();
unsigned Flags = MachineMemOperand::MOLoad;
@ -3813,7 +3813,7 @@ SDValue SelectionDAG::getStore(SDValue Chain, DebugLoc dl, SDValue Val,
if (!SV)
if (const FrameIndexSDNode *FI =
dyn_cast<const FrameIndexSDNode>(Ptr.getNode()))
SV = PseudoSourceValue::getFixedStack(FI->getIndex());
SV = PseudoSourceValue::getStackObject(FI->getIndex());
MachineFunction &MF = getMachineFunction();
unsigned Flags = MachineMemOperand::MOStore;
@ -3859,7 +3859,7 @@ SDValue SelectionDAG::getTruncStore(SDValue Chain, DebugLoc dl, SDValue Val,
if (!SV)
if (const FrameIndexSDNode *FI =
dyn_cast<const FrameIndexSDNode>(Ptr.getNode()))
SV = PseudoSourceValue::getFixedStack(FI->getIndex());
SV = PseudoSourceValue::getStackObject(FI->getIndex());
MachineFunction &MF = getMachineFunction();
unsigned Flags = MachineMemOperand::MOStore;

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@ -4197,7 +4197,7 @@ SelectionDAGLowering::visitIntrinsicCall(CallInst &I, unsigned Intrinsic) {
// Store the stack protector onto the stack.
SDValue Result = DAG.getStore(getRoot(), getCurDebugLoc(), Src, FIN,
PseudoSourceValue::getFixedStack(FI),
PseudoSourceValue::getStackObject(FI),
0, true);
setValue(&I, Result);
DAG.setRoot(Result);

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@ -466,8 +466,8 @@ void StackSlotColoring::RewriteInstruction(MachineInstr *MI, int OldFI,
// Update the memory references. This changes the MachineMemOperands
// directly. They may be in use by multiple instructions, however all
// instructions using OldFI are being rewritten to use NewFI.
const Value *OldSV = PseudoSourceValue::getFixedStack(OldFI);
const Value *NewSV = PseudoSourceValue::getFixedStack(NewFI);
const Value *OldSV = PseudoSourceValue::getStackObject(OldFI);
const Value *NewSV = PseudoSourceValue::getStackObject(NewFI);
for (MachineInstr::mmo_iterator I = MI->memoperands_begin(),
E = MI->memoperands_end(); I != E; ++I)
if ((*I)->getValue() == OldSV)

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@ -187,7 +187,7 @@ TargetInstrInfo::foldMemoryOperand(MachineFunction &MF,
const MachineFrameInfo &MFI = *MF.getFrameInfo();
assert(MFI.getObjectOffset(FrameIndex) != -1);
MachineMemOperand *MMO =
MF.getMachineMemOperand(PseudoSourceValue::getFixedStack(FrameIndex),
MF.getMachineMemOperand(PseudoSourceValue::getStackObject(FrameIndex),
Flags, /*Offset=*/0,
MFI.getObjectSize(FrameIndex),
MFI.getObjectAlignment(FrameIndex));

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@ -671,7 +671,7 @@ storeRegToStackSlot(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
MachineFrameInfo &MFI = *MF.getFrameInfo();
MachineMemOperand *MMO =
MF.getMachineMemOperand(PseudoSourceValue::getFixedStack(FI),
MF.getMachineMemOperand(PseudoSourceValue::getStackObject(FI),
MachineMemOperand::MOStore, 0,
MFI.getObjectSize(FI),
MFI.getObjectAlignment(FI));
@ -709,7 +709,7 @@ loadRegFromStackSlot(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
MachineFrameInfo &MFI = *MF.getFrameInfo();
MachineMemOperand *MMO =
MF.getMachineMemOperand(PseudoSourceValue::getFixedStack(FI),
MF.getMachineMemOperand(PseudoSourceValue::getStackObject(FI),
MachineMemOperand::MOLoad, 0,
MFI.getObjectSize(FI),
MFI.getObjectAlignment(FI));

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@ -309,7 +309,7 @@ MSP430TargetLowering::LowerCCCArguments(SDValue Chain,
//from this parameter
SDValue FIN = DAG.getFrameIndex(FI, MVT::i16);
InVals.push_back(DAG.getLoad(VA.getLocVT(), dl, Chain, FIN,
PseudoSourceValue::getFixedStack(FI), 0));
PseudoSourceValue::getStackObject(FI), 0));
}
}

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@ -2235,7 +2235,7 @@ StoreTailCallArgumentsToStackSlot(SelectionDAG &DAG,
int FI = TailCallArgs[i].FrameIdx;
// Store relative to framepointer.
MemOpChains.push_back(DAG.getStore(Chain, dl, Arg, FIN,
PseudoSourceValue::getFixedStack(FI),
PseudoSourceValue::getStackObject(FI),
0));
}
}
@ -2261,7 +2261,7 @@ static SDValue EmitTailCallStoreFPAndRetAddr(SelectionDAG &DAG,
EVT VT = isPPC64 ? MVT::i64 : MVT::i32;
SDValue NewRetAddrFrIdx = DAG.getFrameIndex(NewRetAddr, VT);
Chain = DAG.getStore(Chain, dl, OldRetAddr, NewRetAddrFrIdx,
PseudoSourceValue::getFixedStack(NewRetAddr), 0);
PseudoSourceValue::getStackObject(NewRetAddr), 0);
// When using the 32/64-bit SVR4 ABI there is no need to move the FP stack
// slot as the FP is never overwritten.
@ -2271,7 +2271,7 @@ static SDValue EmitTailCallStoreFPAndRetAddr(SelectionDAG &DAG,
int NewFPIdx = MF.getFrameInfo()->CreateFixedObject(SlotSize, NewFPLoc);
SDValue NewFramePtrIdx = DAG.getFrameIndex(NewFPIdx, VT);
Chain = DAG.getStore(Chain, dl, OldFP, NewFramePtrIdx,
PseudoSourceValue::getFixedStack(NewFPIdx), 0);
PseudoSourceValue::getStackObject(NewFPIdx), 0);
}
}
return Chain;
@ -3388,7 +3388,7 @@ SDValue PPCTargetLowering::LowerSINT_TO_FP(SDValue Op, SelectionDAG &DAG) {
// STD the extended value into the stack slot.
MachineMemOperand *MMO =
MF.getMachineMemOperand(PseudoSourceValue::getFixedStack(FrameIdx),
MF.getMachineMemOperand(PseudoSourceValue::getStackObject(FrameIdx),
MachineMemOperand::MOStore, 0, 8, 8);
SDValue Ops[] = { DAG.getEntryNode(), Ext64, FIdx };
SDValue Store =

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@ -322,7 +322,7 @@ SystemZTargetLowering::LowerCCCArguments(SDValue Chain,
// from this parameter
SDValue FIN = DAG.getFrameIndex(FI, getPointerTy());
ArgValue = DAG.getLoad(LocVT, dl, Chain, FIN,
PseudoSourceValue::getFixedStack(FI), 0);
PseudoSourceValue::getStackObject(FI), 0);
}
// If this is an 8/16/32-bit value, it is really passed promoted to 64

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@ -115,7 +115,7 @@ addFrameReference(const MachineInstrBuilder &MIB, int FI, int Offset = 0) {
if (TID.mayStore())
Flags |= MachineMemOperand::MOStore;
MachineMemOperand *MMO =
MF.getMachineMemOperand(PseudoSourceValue::getFixedStack(FI),
MF.getMachineMemOperand(PseudoSourceValue::getStackObject(FI),
Flags, Offset,
MFI.getObjectSize(FI),
MFI.getObjectAlignment(FI));

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@ -1373,7 +1373,7 @@ X86TargetLowering::LowerMemArgument(SDValue Chain,
if (Flags.isByVal())
return FIN;
return DAG.getLoad(ValVT, dl, Chain, FIN,
PseudoSourceValue::getFixedStack(FI), 0);
PseudoSourceValue::getStackObject(FI), 0);
}
SDValue
@ -1562,7 +1562,7 @@ X86TargetLowering::LowerFormalArguments(SDValue Chain,
SDValue Val = DAG.getCopyFromReg(Chain, dl, VReg, MVT::i64);
SDValue Store =
DAG.getStore(Val.getValue(1), dl, Val, FIN,
PseudoSourceValue::getFixedStack(RegSaveFrameIndex),
PseudoSourceValue::getStackObject(RegSaveFrameIndex),
Offset);
MemOps.push_back(Store);
Offset += 8;
@ -1673,7 +1673,7 @@ EmitTailCallStoreRetAddr(SelectionDAG & DAG, MachineFunction &MF,
EVT VT = Is64Bit ? MVT::i64 : MVT::i32;
SDValue NewRetAddrFrIdx = DAG.getFrameIndex(NewReturnAddrFI, VT);
Chain = DAG.getStore(Chain, dl, RetAddrFrIdx, NewRetAddrFrIdx,
PseudoSourceValue::getFixedStack(NewReturnAddrFI), 0);
PseudoSourceValue::getStackObject(NewReturnAddrFI), 0);
return Chain;
}
@ -1767,7 +1767,7 @@ X86TargetLowering::LowerCall(SDValue Chain, SDValue Callee,
SDValue SpillSlot = DAG.CreateStackTemporary(VA.getValVT());
int FI = cast<FrameIndexSDNode>(SpillSlot)->getIndex();
Chain = DAG.getStore(Chain, dl, Arg, SpillSlot,
PseudoSourceValue::getFixedStack(FI), 0);
PseudoSourceValue::getStackObject(FI), 0);
Arg = SpillSlot;
break;
}
@ -1900,7 +1900,7 @@ X86TargetLowering::LowerCall(SDValue Chain, SDValue Callee,
// Store relative to framepointer.
MemOpChains2.push_back(
DAG.getStore(ArgChain, dl, Arg, FIN,
PseudoSourceValue::getFixedStack(FI), 0));
PseudoSourceValue::getStackObject(FI), 0));
}
}
}
@ -4868,7 +4868,7 @@ SDValue X86TargetLowering::LowerSINT_TO_FP(SDValue Op, SelectionDAG &DAG) {
SDValue StackSlot = DAG.getFrameIndex(SSFI, getPointerTy());
SDValue Chain = DAG.getStore(DAG.getEntryNode(), dl, Op.getOperand(0),
StackSlot,
PseudoSourceValue::getFixedStack(SSFI), 0);
PseudoSourceValue::getStackObject(SSFI), 0);
return BuildFILD(Op, SrcVT, Chain, StackSlot, DAG);
}
@ -4909,7 +4909,7 @@ SDValue X86TargetLowering::BuildFILD(SDValue Op, EVT SrcVT, SDValue Chain,
Ops.push_back(InFlag);
Chain = DAG.getNode(X86ISD::FST, dl, Tys, &Ops[0], Ops.size());
Result = DAG.getLoad(Op.getValueType(), dl, Chain, StackSlot,
PseudoSourceValue::getFixedStack(SSFI), 0);
PseudoSourceValue::getStackObject(SSFI), 0);
}
return Result;
@ -5124,7 +5124,7 @@ FP_TO_INTHelper(SDValue Op, SelectionDAG &DAG, bool IsSigned) {
if (isScalarFPTypeInSSEReg(Op.getOperand(0).getValueType())) {
assert(DstTy == MVT::i64 && "Invalid FP_TO_SINT to lower!");
Chain = DAG.getStore(Chain, dl, Value, StackSlot,
PseudoSourceValue::getFixedStack(SSFI), 0);
PseudoSourceValue::getStackObject(SSFI), 0);
SDVTList Tys = DAG.getVTList(Op.getOperand(0).getValueType(), MVT::Other);
SDValue Ops[] = {
Chain, StackSlot, DAG.getValueType(Op.getOperand(0).getValueType())
@ -7754,7 +7754,7 @@ X86TargetLowering::EmitVAStartSaveXMMRegsWithCustomInserter(
int64_t Offset = (i - 3) * 16 + VarArgsFPOffset;
MachineMemOperand *MMO =
F->getMachineMemOperand(
PseudoSourceValue::getFixedStack(RegSaveFrameIndex),
PseudoSourceValue::getStackObject(RegSaveFrameIndex),
MachineMemOperand::MOStore, Offset,
/*Size=*/16, /*Align=*/16);
BuildMI(XMMSaveMBB, DL, TII->get(X86::MOVAPSmr))

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@ -144,7 +144,7 @@ addFrameReference(const MachineInstrBuilder &MIB, int FI, int Offset = 0) {
if (TID.mayStore())
Flags |= MachineMemOperand::MOStore;
MachineMemOperand *MMO =
MF.getMachineMemOperand(PseudoSourceValue::getFixedStack(FI),
MF.getMachineMemOperand(PseudoSourceValue::getStackObject(FI),
Flags, Offset,
MFI.getObjectSize(FI),
MFI.getObjectAlignment(FI));