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Move some more hooks to TargetFrameInfo

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119904 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov
2010-11-20 15:59:32 +00:00
parent 3ca136312a
commit 82f58740c7
18 changed files with 201 additions and 192 deletions
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35
lib/Target/X86/X86FrameInfo.cpp
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@@ -764,3 +764,38 @@ X86FrameInfo::getInitialFrameState(std::vector<MachineMove> &Moves) const {
MachineLocation CSSrc(RI->getRARegister());
Moves.push_back(MachineMove(0, CSDst, CSSrc));
}
int X86FrameInfo::getFrameIndexOffset(const MachineFunction &MF, int FI) const {
const X86RegisterInfo *RI =
static_cast<const X86RegisterInfo*>(MF.getTarget().getRegisterInfo());
const MachineFrameInfo *MFI = MF.getFrameInfo();
int Offset = MFI->getObjectOffset(FI) - getOffsetOfLocalArea();
uint64_t StackSize = MFI->getStackSize();
if (RI->needsStackRealignment(MF)) {
if (FI < 0) {
// Skip the saved EBP.
Offset += RI->getSlotSize();
} else {
unsigned Align = MFI->getObjectAlignment(FI);
assert((-(Offset + StackSize)) % Align == 0);
Align = 0;
return Offset + StackSize;
}
// FIXME: Support tail calls
} else {
if (!hasFP(MF))
return Offset + StackSize;
// Skip the saved EBP.
Offset += RI->getSlotSize();
// Skip the RETADDR move area
const X86MachineFunctionInfo *X86FI = MF.getInfo<X86MachineFunctionInfo>();
int TailCallReturnAddrDelta = X86FI->getTCReturnAddrDelta();
if (TailCallReturnAddrDelta < 0)
Offset -= TailCallReturnAddrDelta;
}
return Offset;
}

1
lib/Target/X86/X86FrameInfo.h
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@@ -44,6 +44,7 @@ public:
bool hasReservedCallFrame(const MachineFunction &MF) const;
void getInitialFrameState(std::vector<MachineMove> &Moves) const;
int getFrameIndexOffset(const MachineFunction &MF, int FI) const;
};
} // End llvm namespace

37
lib/Target/X86/X86RegisterInfo.cpp
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@@ -464,41 +464,6 @@ bool X86RegisterInfo::hasReservedSpillSlot(const MachineFunction &MF,
return false;
}
int
X86RegisterInfo::getFrameIndexOffset(const MachineFunction &MF, int FI) const {
const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
const MachineFrameInfo *MFI = MF.getFrameInfo();
int Offset = MFI->getObjectOffset(FI) - TFI->getOffsetOfLocalArea();
uint64_t StackSize = MFI->getStackSize();
if (needsStackRealignment(MF)) {
if (FI < 0) {
// Skip the saved EBP.
Offset += SlotSize;
} else {
unsigned Align = MFI->getObjectAlignment(FI);
assert((-(Offset + StackSize)) % Align == 0);
Align = 0;
return Offset + StackSize;
}
// FIXME: Support tail calls
} else {
if (!TFI->hasFP(MF))
return Offset + StackSize;
// Skip the saved EBP.
Offset += SlotSize;
// Skip the RETADDR move area
const X86MachineFunctionInfo *X86FI = MF.getInfo<X86MachineFunctionInfo>();
int TailCallReturnAddrDelta = X86FI->getTCReturnAddrDelta();
if (TailCallReturnAddrDelta < 0)
Offset -= TailCallReturnAddrDelta;
}
return Offset;
}
static unsigned getSUBriOpcode(unsigned is64Bit, int64_t Imm) {
if (is64Bit) {
if (isInt<8>(Imm))
@@ -631,7 +596,7 @@ X86RegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
const MachineFrameInfo *MFI = MF.getFrameInfo();
FIOffset = MFI->getObjectOffset(FrameIndex) - TFI->getOffsetOfLocalArea();
} else
FIOffset = getFrameIndexOffset(MF, FrameIndex);
FIOffset = TFI->getFrameIndexOffset(MF, FrameIndex);
if (MI.getOperand(i+3).isImm()) {
// Offset is a 32-bit integer.

2
lib/Target/X86/X86RegisterInfo.h
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@@ -135,8 +135,6 @@ public:
// FIXME: Move to FrameInfok
unsigned getSlotSize() const { return SlotSize; }
int getFrameIndexOffset(const MachineFunction &MF, int FI) const;
// Exception handling queries.
unsigned getEHExceptionRegister() const;
unsigned getEHHandlerRegister() const;