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Move some more hooks to TargetFrameInfo 

llvm-svn: 119904
This commit is contained in:
Anton Korobeynikov 2010-11-20 15:59:32 +00:00
parent f6fb58a216
commit 4687778398
18 changed files with 201 additions and 192 deletions
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10
llvm/include/llvm/Target/TargetFrameInfo.h
View File

@ -137,6 +137,16 @@ public:
/// on entry to all functions. Note that LabelID is ignored (assumed to be
/// the beginning of the function.)
virtual void getInitialFrameState(std::vector<MachineMove> &Moves) const;
/// getFrameIndexOffset - Returns the displacement from the frame register to
/// the stack frame of the specified index.
virtual int getFrameIndexOffset(const MachineFunction &MF, int FI) const;
/// getFrameIndexReference - This method should return the base register
/// and offset used to reference a frame index location. The offset is
/// returned directly, and the base register is returned via FrameReg.
virtual int getFrameIndexReference(const MachineFunction &MF, int FI,
unsigned &FrameReg) const;
};
} // End llvm namespace

16
llvm/include/llvm/Target/TargetRegisterInfo.h
View File

@ -730,22 +730,6 @@ public:
/// for values allocated in the current stack frame.
virtual unsigned getFrameRegister(const MachineFunction &MF) const = 0;
/// getFrameIndexOffset - Returns the displacement from the frame register to
/// the stack frame of the specified index.
virtual int getFrameIndexOffset(const MachineFunction &MF, int FI) const;
/// getFrameIndexReference - This method should return the base register
/// and offset used to reference a frame index location. The offset is
/// returned directly, and the base register is returned via FrameReg.
virtual int getFrameIndexReference(const MachineFunction &MF, int FI,
unsigned &FrameReg) const {
// By default, assume all frame indices are referenced via whatever
// getFrameRegister() says. The target can override this if it's doing
// something different.
FrameReg = getFrameRegister(MF);
return getFrameIndexOffset(MF, FI);
}
/// getRARegister - This method should return the register where the return
/// address can be found.
virtual unsigned getRARegister() const = 0;

4
llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
View File

@ -594,8 +594,8 @@ void DwarfDebug::addSourceLine(DIE *Die, DINameSpace NS) {
void DwarfDebug::addVariableAddress(DbgVariable *&DV, DIE *Die, int64_t FI) {
MachineLocation Location;
unsigned FrameReg;
const TargetRegisterInfo *RI = Asm->TM.getRegisterInfo();
int Offset = RI->getFrameIndexReference(*Asm->MF, FI, FrameReg);
const TargetFrameInfo *TFI = Asm->TM.getFrameInfo();
int Offset = TFI->getFrameIndexReference(*Asm->MF, FI, FrameReg);
Location.set(FrameReg, Offset);
if (DV->variableHasComplexAddress())

6
llvm/lib/CodeGen/GCStrategy.cpp
View File

@ -373,12 +373,12 @@ void MachineCodeAnalysis::FindSafePoints(MachineFunction &MF) {
}
void MachineCodeAnalysis::FindStackOffsets(MachineFunction &MF) {
const TargetRegisterInfo *TRI = TM->getRegisterInfo();
assert(TRI && "TargetRegisterInfo not available!");
const TargetFrameInfo *TFI = TM->getFrameInfo();
assert(TFI && "TargetRegisterInfo not available!");
for (GCFunctionInfo::roots_iterator RI = FI->roots_begin(),
RE = FI->roots_end(); RI != RE; ++RI)
RI->StackOffset = TRI->getFrameIndexOffset(MF, RI->Num);
RI->StackOffset = TFI->getFrameIndexOffset(MF, RI->Num);
}
bool MachineCodeAnalysis::runOnMachineFunction(MachineFunction &MF) {

96
llvm/lib/Target/ARM/ARMBaseRegisterInfo.cpp
View File

@ -15,6 +15,7 @@
#include "ARMAddressingModes.h"
#include "ARMBaseInstrInfo.h"
#include "ARMBaseRegisterInfo.h"
#include "ARMFrameInfo.h"
#include "ARMInstrInfo.h"
#include "ARMMachineFunctionInfo.h"
#include "ARMSubtarget.h"
@ -924,97 +925,6 @@ ARMBaseRegisterInfo::getFrameRegister(const MachineFunction &MF) const {
return ARM::SP;
}
// Provide a base+offset reference to an FI slot for debug info. It's the
// same as what we use for resolving the code-gen references for now.
// FIXME: This can go wrong when references are SP-relative and simple call
// frames aren't used.
int
ARMBaseRegisterInfo::getFrameIndexReference(const MachineFunction &MF, int FI,
unsigned &FrameReg) const {
return ResolveFrameIndexReference(MF, FI, FrameReg, 0);
}
int
ARMBaseRegisterInfo::ResolveFrameIndexReference(const MachineFunction &MF,
int FI,
unsigned &FrameReg,
int SPAdj) const {
const MachineFrameInfo *MFI = MF.getFrameInfo();
const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
const ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
int Offset = MFI->getObjectOffset(FI) + MFI->getStackSize();
int FPOffset = Offset - AFI->getFramePtrSpillOffset();
bool isFixed = MFI->isFixedObjectIndex(FI);
FrameReg = ARM::SP;
Offset += SPAdj;
if (AFI->isGPRCalleeSavedArea1Frame(FI))
return Offset - AFI->getGPRCalleeSavedArea1Offset();
else if (AFI->isGPRCalleeSavedArea2Frame(FI))
return Offset - AFI->getGPRCalleeSavedArea2Offset();
else if (AFI->isDPRCalleeSavedAreaFrame(FI))
return Offset - AFI->getDPRCalleeSavedAreaOffset();
// When dynamically realigning the stack, use the frame pointer for
// parameters, and the stack/base pointer for locals.
if (needsStackRealignment(MF)) {
assert (TFI->hasFP(MF) && "dynamic stack realignment without a FP!");
if (isFixed) {
FrameReg = getFrameRegister(MF);
Offset = FPOffset;
} else if (MFI->hasVarSizedObjects()) {
assert(hasBasePointer(MF) &&
"VLAs and dynamic stack alignment, but missing base pointer!");
FrameReg = BasePtr;
}
return Offset;
}
// If there is a frame pointer, use it when we can.
if (TFI->hasFP(MF) && AFI->hasStackFrame()) {
// Use frame pointer to reference fixed objects. Use it for locals if
// there are VLAs (and thus the SP isn't reliable as a base).
if (isFixed || (MFI->hasVarSizedObjects() && !hasBasePointer(MF))) {
FrameReg = getFrameRegister(MF);
return FPOffset;
} else if (MFI->hasVarSizedObjects()) {
assert(hasBasePointer(MF) && "missing base pointer!");
// Try to use the frame pointer if we can, else use the base pointer
// since it's available. This is handy for the emergency spill slot, in
// particular.
if (AFI->isThumb2Function()) {
if (FPOffset >= -255 && FPOffset < 0) {
FrameReg = getFrameRegister(MF);
return FPOffset;
}
} else
FrameReg = BasePtr;
} else if (AFI->isThumb2Function()) {
// In Thumb2 mode, the negative offset is very limited. Try to avoid
// out of range references.
if (FPOffset >= -255 && FPOffset < 0) {
FrameReg = getFrameRegister(MF);
return FPOffset;
}
} else if (Offset > (FPOffset < 0 ? -FPOffset : FPOffset)) {
// Otherwise, use SP or FP, whichever is closer to the stack slot.
FrameReg = getFrameRegister(MF);
return FPOffset;
}
}
// Use the base pointer if we have one.
if (hasBasePointer(MF))
FrameReg = BasePtr;
return Offset;
}
int
ARMBaseRegisterInfo::getFrameIndexOffset(const MachineFunction &MF,
int FI) const {
unsigned FrameReg;
return getFrameIndexReference(MF, FI, FrameReg);
}
unsigned ARMBaseRegisterInfo::getEHExceptionRegister() const {
llvm_unreachable("What is the exception register");
return 0;
@ -1560,6 +1470,8 @@ ARMBaseRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
MachineInstr &MI = *II;
MachineBasicBlock &MBB = *MI.getParent();
MachineFunction &MF = *MBB.getParent();
const ARMFrameInfo *TFI =
static_cast<const ARMFrameInfo*>(MF.getTarget().getFrameInfo());
ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
assert(!AFI->isThumb1OnlyFunction() &&
"This eliminateFrameIndex does not support Thumb1!");
@ -1572,7 +1484,7 @@ ARMBaseRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
int FrameIndex = MI.getOperand(i).getIndex();
unsigned FrameReg;
int Offset = ResolveFrameIndexReference(MF, FrameIndex, FrameReg, SPAdj);
int Offset = TFI->ResolveFrameIndexReference(MF, FrameIndex, FrameReg, SPAdj);
// Special handling of dbg_value instructions.
if (MI.isDebugValue()) {

5
llvm/lib/Target/ARM/ARMBaseRegisterInfo.h
View File

@ -161,11 +161,6 @@ public:
unsigned getRARegister() const;
unsigned getFrameRegister(const MachineFunction &MF) const;
unsigned getBaseRegister() const { return BasePtr; }
int getFrameIndexReference(const MachineFunction &MF, int FI,
unsigned &FrameReg) const;
int ResolveFrameIndexReference(const MachineFunction &MF, int FI,
unsigned &FrameReg, int SPAdj) const;
int getFrameIndexOffset(const MachineFunction &MF, int FI) const;
// Exception handling queries.
unsigned getEHExceptionRegister() const;

90
llvm/lib/Target/ARM/ARMFrameInfo.cpp
View File

@ -383,3 +383,93 @@ void ARMFrameInfo::emitEpilogue(MachineFunction &MF,
if (VARegSaveSize)
emitSPUpdate(isARM, MBB, MBBI, dl, TII, VARegSaveSize);
}
// Provide a base+offset reference to an FI slot for debug info. It's the
// same as what we use for resolving the code-gen references for now.
// FIXME: This can go wrong when references are SP-relative and simple call
// frames aren't used.
int
ARMFrameInfo::getFrameIndexReference(const MachineFunction &MF, int FI,
unsigned &FrameReg) const {
return ResolveFrameIndexReference(MF, FI, FrameReg, 0);
}
int
ARMFrameInfo::ResolveFrameIndexReference(const MachineFunction &MF,
int FI,
unsigned &FrameReg,
int SPAdj) const {
const MachineFrameInfo *MFI = MF.getFrameInfo();
const ARMBaseRegisterInfo *RegInfo =
static_cast<const ARMBaseRegisterInfo*>(MF.getTarget().getRegisterInfo());
const ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
int Offset = MFI->getObjectOffset(FI) + MFI->getStackSize();
int FPOffset = Offset - AFI->getFramePtrSpillOffset();
bool isFixed = MFI->isFixedObjectIndex(FI);
FrameReg = ARM::SP;
Offset += SPAdj;
if (AFI->isGPRCalleeSavedArea1Frame(FI))
return Offset - AFI->getGPRCalleeSavedArea1Offset();
else if (AFI->isGPRCalleeSavedArea2Frame(FI))
return Offset - AFI->getGPRCalleeSavedArea2Offset();
else if (AFI->isDPRCalleeSavedAreaFrame(FI))
return Offset - AFI->getDPRCalleeSavedAreaOffset();
// When dynamically realigning the stack, use the frame pointer for
// parameters, and the stack/base pointer for locals.
if (RegInfo->needsStackRealignment(MF)) {
assert (hasFP(MF) && "dynamic stack realignment without a FP!");
if (isFixed) {
FrameReg = RegInfo->getFrameRegister(MF);
Offset = FPOffset;
} else if (MFI->hasVarSizedObjects()) {
assert(RegInfo->hasBasePointer(MF) &&
"VLAs and dynamic stack alignment, but missing base pointer!");
FrameReg = RegInfo->getBaseRegister();
}
return Offset;
}
// If there is a frame pointer, use it when we can.
if (hasFP(MF) && AFI->hasStackFrame()) {
// Use frame pointer to reference fixed objects. Use it for locals if
// there are VLAs (and thus the SP isn't reliable as a base).
if (isFixed || (MFI->hasVarSizedObjects() && !RegInfo->hasBasePointer(MF))) {
FrameReg = RegInfo->getFrameRegister(MF);
return FPOffset;
} else if (MFI->hasVarSizedObjects()) {
assert(RegInfo->hasBasePointer(MF) && "missing base pointer!");
// Try to use the frame pointer if we can, else use the base pointer
// since it's available. This is handy for the emergency spill slot, in
// particular.
if (AFI->isThumb2Function()) {
if (FPOffset >= -255 && FPOffset < 0) {
FrameReg = RegInfo->getFrameRegister(MF);
return FPOffset;
}
} else
FrameReg = RegInfo->getBaseRegister();
} else if (AFI->isThumb2Function()) {
// In Thumb2 mode, the negative offset is very limited. Try to avoid
// out of range references.
if (FPOffset >= -255 && FPOffset < 0) {
FrameReg = RegInfo->getFrameRegister(MF);
return FPOffset;
}
} else if (Offset > (FPOffset < 0 ? -FPOffset : FPOffset)) {
// Otherwise, use SP or FP, whichever is closer to the stack slot.
FrameReg = RegInfo->getFrameRegister(MF);
return FPOffset;
}
}
// Use the base pointer if we have one.
if (RegInfo->hasBasePointer(MF))
FrameReg = RegInfo->getBaseRegister();
return Offset;
}
int ARMFrameInfo::getFrameIndexOffset(const MachineFunction &MF, int FI) const {
unsigned FrameReg;
return getFrameIndexReference(MF, FI, FrameReg);
}

6
llvm/lib/Target/ARM/ARMFrameInfo.h
View File

@ -38,6 +38,12 @@ public:
bool hasFP(const MachineFunction &MF) const;
bool hasReservedCallFrame(const MachineFunction &MF) const;
bool canSimplifyCallFramePseudos(const MachineFunction &MF) const;
int getFrameIndexReference(const MachineFunction &MF, int FI,
unsigned &FrameReg) const;
int ResolveFrameIndexReference(const MachineFunction &MF, int FI,
unsigned &FrameReg, int SPAdj) const;
int getFrameIndexOffset(const MachineFunction &MF, int FI) const;
};
} // End llvm namespace

21
llvm/lib/Target/SystemZ/SystemZFrameInfo.cpp
View File

@ -176,3 +176,24 @@ void SystemZFrameInfo::emitEpilogue(MachineFunction &MF,
MI.getOperand(i).ChangeToImmediate(Offset);
}
}
int SystemZFrameInfo::getFrameIndexOffset(const MachineFunction &MF,
int FI) const {
const MachineFrameInfo *MFI = MF.getFrameInfo();
const SystemZMachineFunctionInfo *SystemZMFI =
MF.getInfo<SystemZMachineFunctionInfo>();
int Offset = MFI->getObjectOffset(FI) + MFI->getOffsetAdjustment();
uint64_t StackSize = MFI->getStackSize();
// Fixed objects are really located in the "previous" frame.
if (FI < 0)
StackSize -= SystemZMFI->getCalleeSavedFrameSize();
Offset += StackSize - getOffsetOfLocalArea();
// Skip the register save area if we generated the stack frame.
if (StackSize || MFI->hasCalls())
Offset -= getOffsetOfLocalArea();
return Offset;
}

1
llvm/lib/Target/SystemZ/SystemZFrameInfo.h
View File

@ -37,6 +37,7 @@ public:
bool hasReservedCallFrame(const MachineFunction &MF) const { return true; }
bool hasFP(const MachineFunction &MF) const;
int getFrameIndexOffset(const MachineFunction &MF, int FI) const;
};
} // End llvm namespace

24
llvm/lib/Target/SystemZ/SystemZRegisterInfo.cpp
View File

@ -64,28 +64,6 @@ eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
MBB.erase(I);
}
int SystemZRegisterInfo::getFrameIndexOffset(const MachineFunction &MF,
int FI) const {
const TargetFrameInfo &TFI = *MF.getTarget().getFrameInfo();
const MachineFrameInfo *MFI = MF.getFrameInfo();
const SystemZMachineFunctionInfo *SystemZMFI =
MF.getInfo<SystemZMachineFunctionInfo>();
int Offset = MFI->getObjectOffset(FI) + MFI->getOffsetAdjustment();
uint64_t StackSize = MFI->getStackSize();
// Fixed objects are really located in the "previous" frame.
if (FI < 0)
StackSize -= SystemZMFI->getCalleeSavedFrameSize();
Offset += StackSize - TFI.getOffsetOfLocalArea();
// Skip the register save area if we generated the stack frame.
if (StackSize || MFI->hasCalls())
Offset -= TFI.getOffsetOfLocalArea();
return Offset;
}
void
SystemZRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
int SPAdj, RegScavenger *RS) const {
@ -113,7 +91,7 @@ SystemZRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
// Offset is a either 12-bit unsigned or 20-bit signed integer.
// FIXME: handle "too long" displacements.
int Offset =
getFrameIndexOffset(MF, FrameIndex) + MI.getOperand(i+1).getImm();
TFI->getFrameIndexOffset(MF, FrameIndex) + MI.getOperand(i+1).getImm();
// Check whether displacement is too long to fit into 12 bit zext field.
MI.setDesc(TII.getMemoryInstr(MI.getOpcode(), Offset));

2
llvm/lib/Target/SystemZ/SystemZRegisterInfo.h
View File

@ -34,8 +34,6 @@ struct SystemZRegisterInfo : public SystemZGenRegisterInfo {
BitVector getReservedRegs(const MachineFunction &MF) const;
int getFrameIndexOffset(const MachineFunction &MF, int FI) const;
void eliminateCallFramePseudoInstr(MachineFunction &MF,
MachineBasicBlock &MBB,
MachineBasicBlock::iterator I) const;

26
llvm/lib/Target/TargetFrameInfo.cpp
View File

@ -11,7 +11,12 @@
//
//===----------------------------------------------------------------------===//
#include "llvm/Codegen/MachineFrameInfo.h"
#include "llvm/Codegen/MachineFunction.h"
#include "llvm/Target/TargetFrameInfo.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetRegisterInfo.h"
#include <cstdlib>
using namespace llvm;
@ -24,3 +29,24 @@ void
TargetFrameInfo::getInitialFrameState(std::vector<MachineMove> &Moves) const {
// Default is to do nothing.
}
/// getFrameIndexOffset - Returns the displacement from the frame register to
/// the stack frame of the specified index. This is the default implementation
/// which is overridden for some targets.
int TargetFrameInfo::getFrameIndexOffset(const MachineFunction &MF,
int FI) const {
const MachineFrameInfo *MFI = MF.getFrameInfo();
return MFI->getObjectOffset(FI) + MFI->getStackSize() -
getOffsetOfLocalArea() + MFI->getOffsetAdjustment();
}
int TargetFrameInfo::getFrameIndexReference(const MachineFunction &MF, int FI,
unsigned &FrameReg) const {
const TargetRegisterInfo *RI = MF.getTarget().getRegisterInfo();
// By default, assume all frame indices are referenced via whatever
// getFrameRegister() says. The target can override this if it's doing
// something different.
FrameReg = RI->getFrameRegister(MF);
return getFrameIndexOffset(MF, FI);
}

11
llvm/lib/Target/TargetRegisterInfo.cpp
View File

@ -87,17 +87,6 @@ BitVector TargetRegisterInfo::getAllocatableSet(const MachineFunction &MF,
return Allocatable;
}
/// getFrameIndexOffset - Returns the displacement from the frame register to
/// the stack frame of the specified index. This is the default implementation
/// which is overridden for some targets.
int TargetRegisterInfo::getFrameIndexOffset(const MachineFunction &MF,
int FI) const {
const TargetFrameInfo &TFI = *MF.getTarget().getFrameInfo();
const MachineFrameInfo *MFI = MF.getFrameInfo();
return MFI->getObjectOffset(FI) + MFI->getStackSize() -
TFI.getOffsetOfLocalArea() + MFI->getOffsetAdjustment();
}
const TargetRegisterClass *
llvm::getCommonSubClass(const TargetRegisterClass *A,
const TargetRegisterClass *B) {

35
llvm/lib/Target/X86/X86FrameInfo.cpp
View File

@ -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
llvm/lib/Target/X86/X86FrameInfo.h
View File

@ -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
llvm/lib/Target/X86/X86RegisterInfo.cpp
View File

@ -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
llvm/lib/Target/X86/X86RegisterInfo.h
View File

@ -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;