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Remove BlackfinRegisterInfo::getFrameIndexOffset since it is the same as the

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default implementation.  Update comment on the default version, which made it
sound like most targets override it.  Currently only X86 and SystemZ override
this method.

llvm-svn: 82651
This commit is contained in:
Bob Wilson 2009-09-23 20:57:02 +00:00
parent 2967c534f7
commit e1bb126cbd
3 changed files with 1 additions and 10 deletions
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8
lib/Target/Blackfin/BlackfinRegisterInfo.cpp
View File

@ -451,14 +451,6 @@ unsigned BlackfinRegisterInfo::getFrameRegister(MachineFunction &MF) const {
return hasFP(MF) ? BF::FP : BF::SP;
}
int
BlackfinRegisterInfo::getFrameIndexOffset(MachineFunction &MF, int FI) const {
const TargetFrameInfo &TFI = *MF.getTarget().getFrameInfo();
MachineFrameInfo *MFI = MF.getFrameInfo();
return MFI->getObjectOffset(FI) + MFI->getStackSize() -
TFI.getOffsetOfLocalArea() + MFI->getOffsetAdjustment();
}
unsigned BlackfinRegisterInfo::getEHExceptionRegister() const {
llvm_unreachable("What is the exception register");
return 0;

1
lib/Target/Blackfin/BlackfinRegisterInfo.h
View File

@ -76,7 +76,6 @@ namespace llvm {
void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
unsigned getFrameRegister(MachineFunction &MF) const;
int getFrameIndexOffset(MachineFunction &MF, int FI) const;
unsigned getRARegister() const;
// Exception handling queries.

2
lib/Target/TargetRegisterInfo.cpp
View File

@ -85,7 +85,7 @@ BitVector TargetRegisterInfo::getAllocatableSet(MachineFunction &MF,
/// getFrameIndexOffset - Returns the displacement from the frame register to
/// the stack frame of the specified index. This is the default implementation
/// which is likely incorrect for the target.
/// which is overridden for some targets.
int TargetRegisterInfo::getFrameIndexOffset(MachineFunction &MF, int FI) const {
const TargetFrameInfo &TFI = *MF.getTarget().getFrameInfo();
MachineFrameInfo *MFI = MF.getFrameInfo();