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| author | Jakub Staszak <kubastaszak@gmail.com> | 2012-10-30 00:01:57 +0000 |
|---|---|---|
| committer | Jakub Staszak <kubastaszak@gmail.com> | 2012-10-30 00:01:57 +0000 |
| commit | a3d8e9974a3f5dcda92fd0754a45178a52f412a3 (patch) | |
| tree | 7bf17633272b84f40d82c6888699ebebbca348e2 /llvm/lib/Target/X86/X86ISelLowering.cpp | |
| parent | f7cc29519aca8128d39f55c5cb9349cd463043d8 (diff) | |
| download | bcm5719-llvm-a3d8e9974a3f5dcda92fd0754a45178a52f412a3.tar.gz bcm5719-llvm-a3d8e9974a3f5dcda92fd0754a45178a52f412a3.zip | |
Re-commit r166971. I reverted it to quickly, when buildbots didn't have a chance
to test it with chapni's fix (-mattr=+avx).
llvm-svn: 166985
Diffstat (limited to 'llvm/lib/Target/X86/X86ISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 29ba59c7a74..4b6ab745828 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -6438,17 +6438,17 @@ LowerVECTOR_SHUFFLE_128v4(ShuffleVectorSDNode *SVOp, SelectionDAG &DAG) { } static bool MayFoldVectorLoad(SDValue V) { - if (V.hasOneUse() && V.getOpcode() == ISD::BITCAST) + while (V.hasOneUse() && V.getOpcode() == ISD::BITCAST) V = V.getOperand(0); + if (V.hasOneUse() && V.getOpcode() == ISD::SCALAR_TO_VECTOR) V = V.getOperand(0); if (V.hasOneUse() && V.getOpcode() == ISD::BUILD_VECTOR && V.getNumOperands() == 2 && V.getOperand(1).getOpcode() == ISD::UNDEF) // BUILD_VECTOR (load), undef V = V.getOperand(0); - if (MayFoldLoad(V)) - return true; - return false; + + return MayFoldLoad(V); } // FIXME: the version above should always be used. Since there's |
