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Several tail call tests apparently rely upon this being "adjusts stack" instead

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of "has calls". That's probably wrong, but it needs further
investigation. Revert to the original behavior until this is settled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103824 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2010-05-14 21:58:35 +00:00
parent e97dda4fc5
commit f84d60b649
1 changed files with 1 additions and 1 deletions
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2
lib/Target/X86/X86RegisterInfo.cpp
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@ -898,7 +898,7 @@ void X86RegisterInfo::emitPrologue(MachineFunction &MF) const {
if (Is64Bit && !Fn->hasFnAttr(Attribute::NoRedZone) &&
!needsStackRealignment(MF) &&
!MFI->hasVarSizedObjects() && // No dynamic alloca.
!MFI->hasCalls() && // No calls.
!MFI->adjustsStack() && // No calls.
!Subtarget->isTargetWin64()) { // Win64 has no Red Zone
uint64_t MinSize = X86FI->getCalleeSavedFrameSize();
if (HasFP) MinSize += SlotSize;