From dd45bc25acd6dbe4e1067dc8e0ace81995f10f91 Mon Sep 17 00:00:00 2001
From: Arnold Schwaighofer <arnold.schwaighofer@gmail.com>
Date: Thu, 11 Sep 2008 20:28:43 +0000
Subject: When tailcallopt is enabled all fastcc calls must have an aligned
 argument stack size. Add a test case.

llvm-svn: 56119
---
 llvm/lib/Target/X86/X86ISelLowering.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'llvm/lib')

diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index ea9201ca497..010d813a41c 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -1488,7 +1488,7 @@ SDValue X86TargetLowering::LowerCALL(SDValue Op, SelectionDAG &DAG) {
   
   // Get a count of how many bytes are to be pushed on the stack.
   unsigned NumBytes = CCInfo.getNextStackOffset();
-  if (IsTailCall)
+  if (PerformTailCallOpt && CC == CallingConv::Fast)
     NumBytes = GetAlignedArgumentStackSize(NumBytes, DAG);
 
   int FPDiff = 0;
-- 
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