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

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158220 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Manman Ren 2012-06-08 18:58:26 +00:00
parent 6620ccf5d8
commit 45d53b866e
1 changed files with 5 additions and 3 deletions
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8
lib/Target/X86/X86ISelLowering.cpp
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@ -14548,9 +14548,11 @@ static SDValue PerformXorCombine(SDNode *N, SelectionDAG &DAG,
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())