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| author | Manman Ren <mren@apple.com> | 2012-06-08 18:58:26 +0000 |
|---|---|---|
| committer | Manman Ren <mren@apple.com> | 2012-06-08 18:58:26 +0000 |
| commit | 6bc2d27073115f552daa9e7ede8fafc8167c1695 (patch) | |
| tree | 78faa8cda6ab9a9978d70e28cac3f113ae11fc48 | |
| parent | 528b14c5d9bc5b55fedba858b67487dacd23820c (diff) | |
| download | bcm5719-llvm-6bc2d27073115f552daa9e7ede8fafc8167c1695.tar.gz bcm5719-llvm-6bc2d27073115f552daa9e7ede8fafc8167c1695.zip | |
Enable optimization for integer ABS on X86 if Subtarget has CMOV.
llvm-svn: 158220
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 99bb470c7aa..b27af484c19 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -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()) |
