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Refine fix to PR10499, no functionality change

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- Put expensive checking after simple one



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176060 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael Liao 2013-02-25 23:16:36 +00:00
parent 5e6e15caa7
commit d09318f901
1 changed files with 1 additions and 1 deletions
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2
lib/Target/X86/X86ISelLowering.cpp
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@ -5344,7 +5344,7 @@ X86TargetLowering::LowerBUILD_VECTOR(SDValue Op, SelectionDAG &DAG) const {
// Vectors containing all ones can be matched by pcmpeqd on 128-bit width
// vectors or broken into v4i32 operations on 256-bit vectors. AVX2 can use
// vpcmpeqd on 256-bit vectors.
if (ISD::isBuildVectorAllOnes(Op.getNode()) && Subtarget->hasSSE2()) {
if (Subtarget->hasSSE2() && ISD::isBuildVectorAllOnes(Op.getNode())) {
if (VT == MVT::v4i32 || (VT == MVT::v8i32 && Subtarget->hasInt256()))
return Op;