commit 45d53b866e63dd4899c2ea691e3539da8dbb3909
author Manman Ren <mren@apple.com> Fri Jun 08 18:58:26 2012 +0000
committer Manman Ren <mren@apple.com> Fri Jun 08 18:58:26 2012 +0000
tree 122a2f943c2983445c02efc605d1aacfb9f26abf
parent 6620ccf5d8fd6214fd0fa5a47a412c9a69a73ec2

Enable optimization for integer ABS on X86 if Subtarget has CMOV.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158220 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/X86/X86ISelLowering.cpp

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 99bb470..b27af48 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -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())