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Comment fix

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@259990 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Simon Pilgrim 2016-02-06 14:21:49 +00:00
parent 5e04a0b30d
commit bb25a33a5d
1 changed files with 1 additions and 1 deletions
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lib/Target/X86/X86ISelLowering.cpp
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@ -10652,7 +10652,7 @@ static SDValue lowerVectorShuffleWithUndefHalf(SDLoc DL, MVT VT, SDValue V1,
DAG.getIntPtrConstant(HalfNumElts, DL));
}
// If the shuffle only uses the lower halves of the input operands,
// If the shuffle only uses two of the four halves of the input operands,
// then extract them and perform the 'half' shuffle at half width.
// e.g. vector_shuffle <X, X, X, X, u, u, u, u> or <X, X, u, u>
int HalfIdx1 = -1, HalfIdx2 = -1;