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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.

llvm-svn: 103824
This commit is contained in:
Bill Wendling 2010-05-14 21:58:35 +00:00
parent 295d11f215
commit 8a2afec7c1
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;