[llvm-commits] CVS: llvm/lib/Target/X86/X86ISelLowering.cpp

[Evan Cheng]

Changes in directory llvm/lib/Target/X86:

X86ISelLowering.cpp updated: 1.209 -> 1.210
---
Log message:

Better way to check for vararg.


---
Diffs of the changes:  (+2 -1)

 X86ISelLowering.cpp |    3 ++-
 1 files changed, 2 insertions(+), 1 deletion(-)


Index: llvm/lib/Target/X86/X86ISelLowering.cpp
diff -u llvm/lib/Target/X86/X86ISelLowering.cpp:1.209 llvm/lib/Target/X86/X86ISelLowering.cpp:1.210
--- llvm/lib/Target/X86/X86ISelLowering.cpp:1.209	Tue May 23 16:06:34 2006
+++ llvm/lib/Target/X86/X86ISelLowering.cpp	Tue May 23 16:08:24 2006
@@ -497,7 +497,8 @@
 
   // If the function takes variable number of arguments, make a frame index for
   // the start of the first vararg value... for expansion of llvm.va_start.
-  if (MF.getFunction()->isVarArg())
+  bool isVarArg = cast<ConstantSDNode>(Op.getOperand(2))->getValue() != 0;
+  if (isVarArg)
     VarArgsFrameIndex = MFI->CreateFixedObject(1, ArgOffset);
   ReturnAddrIndex = 0;     // No return address slot generated yet.
   BytesToPopOnReturn = 0;  // Callee pops nothing.