[llvm] r272760 - Fix unused variable warning; NFC

[Sanjoy Das via llvm-commits]

Author: sanjoy
Date: Wed Jun 15 01:53:59 2016
New Revision: 272760

URL: http://llvm.org/viewvc/llvm-project?rev=272760&view=rev
Log:
Fix unused variable warning; NFC

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

Modified:
    llvm/trunk/lib/Target/X86/X86FrameLowering.cpp

Modified: llvm/trunk/lib/Target/X86/X86FrameLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86FrameLowering.cpp?rev=272760&r1=272759&r2=272760&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86FrameLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86FrameLowering.cpp Wed Jun 15 01:53:59 2016
@@ -1773,10 +1773,12 @@ X86FrameLowering::getFrameIndexReference
   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();