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Remove some redundant checks.

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ARMFrameLowering::hasReservedCallFrame is already checking for variable
sized objects, so there's no point in checking it twice.

llvm-svn: 153109
This commit is contained in:
Bob Wilson 2012-03-20 19:28:22 +00:00
parent 73d8191b27
commit 4fb4d4c6e0
2 changed files with 2 additions and 3 deletions
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3
lib/Target/ARM/ARMBaseRegisterInfo.cpp
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@ -493,8 +493,7 @@ bool ARMBaseRegisterInfo::hasBasePointer(const MachineFunction &MF) const {
// When outgoing call frames are so large that we adjust the stack pointer
// around the call, we can no longer use the stack pointer to reach the
// emergency spill slot.
if (needsStackRealignment(MF) && (MFI->hasVarSizedObjects() ||
!TFI->hasReservedCallFrame(MF)))
if (needsStackRealignment(MF) && !TFI->hasReservedCallFrame(MF))
return true;
// Thumb has trouble with negative offsets from the FP. Thumb2 has a limited

2
lib/Target/ARM/ARMFrameLowering.cpp
View File

@ -501,7 +501,7 @@ ARMFrameLowering::ResolveFrameIndexReference(const MachineFunction &MF,
// SP can move around if there are allocas. We may also lose track of SP
// when emergency spilling inside a non-reserved call frame setup.
bool hasMovingSP = MFI->hasVarSizedObjects() || !hasReservedCallFrame(MF);
bool hasMovingSP = !hasReservedCallFrame(MF);
// When dynamically realigning the stack, use the frame pointer for
// parameters, and the stack/base pointer for locals.