[llvm-commits] [llvm] r94617 - /llvm/trunk/lib/Target/X86/X86FastISel.cpp

Evan Cheng evan.cheng at apple.com
Tue Jan 26 15:28:40 PST 2010


Author: evancheng
Date: Tue Jan 26 17:28:40 2010
New Revision: 94617

URL: http://llvm.org/viewvc/llvm-project?rev=94617&view=rev
Log:
Ignore 'forced' tailcall opt in fastisel mode.

Modified:
    llvm/trunk/lib/Target/X86/X86FastISel.cpp

Modified: llvm/trunk/lib/Target/X86/X86FastISel.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86FastISel.cpp?rev=94617&r1=94616&r2=94617&view=diff

==============================================================================
--- llvm/trunk/lib/Target/X86/X86FastISel.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86FastISel.cpp Tue Jan 26 17:28:40 2010
@@ -1243,11 +1243,6 @@
       CC != CallingConv::X86_FastCall)
     return false;
 
-  // fastcc with -tailcallopt is intended to provide a guaranteed
-  // tail call optimization. Fastisel doesn't know how to do that.
-  if (X86::IsEligibleForTailCallOpt(CC))
-    return false;
-
   // Let SDISel handle vararg functions.
   const PointerType *PT = cast<PointerType>(CS.getCalledValue()->getType());
   const FunctionType *FTy = cast<FunctionType>(PT->getElementType());





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