[llvm-commits] [llvm] r158220 - /llvm/trunk/lib/Target/X86/X86ISelLowering.cpp

[Manman Ren]

Author: mren
Date: Fri Jun  8 13:58:26 2012
New Revision: 158220

URL: http://llvm.org/viewvc/llvm-project?rev=158220&view=rev
Log:
Enable optimization for integer ABS on X86 if Subtarget has CMOV.

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=158220&r1=158219&r2=158220&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Fri Jun  8 13:58:26 2012
@@ -14548,9 +14548,11 @@
   if (DCI.isBeforeLegalizeOps())
     return SDValue();
 
-  SDValue RV = performIntegerAbsCombine(N, DAG);
-  if (RV.getNode())
-    return RV;
+  if (Subtarget->hasCMov()) {
+    SDValue RV = performIntegerAbsCombine(N, DAG);
+    if (RV.getNode())
+      return RV;
+  }
 
   // Try forming BMI if it is available.
   if (!Subtarget->hasBMI())