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Add comment.
author
Evan Cheng
<evan.cheng@apple.com>
Fri, 7 Dec 2007 21:30:01 +0000
(21:30 +0000)
committer
Evan Cheng
<evan.cheng@apple.com>
Fri, 7 Dec 2007 21:30:01 +0000
(21:30 +0000)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44686
91177308
-0d34-0410-b5e6-
96231b3b80d8
lib/Target/X86/X86ISelLowering.cpp
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diff --git
a/lib/Target/X86/X86ISelLowering.cpp
b/lib/Target/X86/X86ISelLowering.cpp
index 2653481418a15e9862d2bfce50f68e7f6916d7c0..c0001c0f974f3fa6c275dd7216ca73433663c061 100644
(file)
--- a/
lib/Target/X86/X86ISelLowering.cpp
+++ b/
lib/Target/X86/X86ISelLowering.cpp
@@
-2758,6
+2758,8
@@
static SDOperand CommuteVectorShuffle(SDOperand Op, SDOperand &V1,
return DAG.getNode(ISD::VECTOR_SHUFFLE, VT, V1, V2, Mask);
}
+/// CommuteVectorShuffleMask - Change values in a shuffle permute mask assuming
+/// the two vector operands have swapped position.
static
SDOperand CommuteVectorShuffleMask(SDOperand Mask, SelectionDAG &DAG) {
MVT::ValueType MaskVT = Mask.getValueType();