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If a function has no stack frame at all, dynamic realignment isn't necessary.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86057 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Grosbach 2009-11-04 22:41:51 +00:00
parent c5848f4ced
commit 6db06a0866
1 changed files with 1 additions and 0 deletions
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lib/Target/ARM/ARMBaseRegisterInfo.cpp
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@ -514,6 +514,7 @@ needsStackRealignment(const MachineFunction &MF) const {
unsigned StackAlign = MF.getTarget().getFrameInfo()->getStackAlignment();
return (RealignStack &&
!AFI->isThumb1OnlyFunction() &&
AFI->hasStackFrame() &&
(MFI->getMaxAlignment() > StackAlign) &&
!MFI->hasVarSizedObjects());
}