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Fix unused variable warning; NFC 

TailCallReturnAddrDelta is used only in an assert, so put it under
defined(NDEBUG).

llvm-svn: 272760
This commit is contained in:
Sanjoy Das 2016-06-15 06:53:59 +00:00
parent b277a425c4
commit 3f59c0c3ab
1 changed files with 2 additions and 0 deletions
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2
llvm/lib/Target/X86/X86FrameLowering.cpp
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@ -1773,10 +1773,12 @@ X86FrameLowering::getFrameIndexReferenceFromSP(const MachineFunction &MF,
const TargetFrameLowering *TFI = MF.getSubtarget().getFrameLowering();
if (!AllowSPAdjustment && !TFI->hasReservedCallFrame(MF))
return None;
#ifndef NDEBUG
// We don't handle tail calls, and shouldn't be seeing them either.
int TailCallReturnAddrDelta =
MF.getInfo<X86MachineFunctionInfo>()->getTCReturnAddrDelta();
assert(!(TailCallReturnAddrDelta < 0) && "we don't handle this case!");
#endif
// Fill in FrameReg output argument.
FrameReg = TRI->getStackRegister();