[llvm-commits] [llvm] r133824 - /llvm/trunk/lib/Target/X86/X86ISelLowering.cpp

[Chad Rosier]

Author: mcrosier
Date: Fri Jun 24 16:15:36 2011
New Revision: 133824

URL: http://llvm.org/viewvc/llvm-project?rev=133824&view=rev
Log:
Hoist simple check above more complex checking to avoid unnecessary 
overheads.  No functional change intended.

Modified:
    llvm/trunk/lib/Target/X86/X86ISelLowering.cpp

Modified: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelLowering.cpp?rev=133824&r1=133823&r2=133824&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Fri Jun 24 16:15:36 2011
@@ -2556,6 +2556,11 @@
   if (isCalleeStructRet || isCallerStructRet)
     return false;
 
+  // An stdcall caller is expected to clean up its arguments; the callee
+  // isn't going to do that.
+  if (!CCMatch && CallerCC==CallingConv::X86_StdCall)
+    return false;
+
   // Do not sibcall optimize vararg calls unless all arguments are passed via
   // registers.
   if (isVarArg && !Outs.empty()) {
@@ -2692,11 +2697,6 @@
     }
   }
 
-  // An stdcall caller is expected to clean up its arguments; the callee
-  // isn't going to do that.
-  if (!CCMatch && CallerCC==CallingConv::X86_StdCall)
-    return false;
-
   return true;
 }