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SLPVectorizer: Swap LHS and RHS. No functionality change. 

llvm-svn: 181684
This commit is contained in:
Nadav Rotem 2013-05-13 05:13:13 +00:00
parent 6f6f3b4baf
commit 33dcf0a70f
1 changed files with 4 additions and 4 deletions
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8
llvm/lib/Transforms/Vectorize/VecUtils.cpp
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@ -730,15 +730,15 @@ Value *BoUpSLP::vectorizeTree_rec(ArrayRef<Value *> VL, int VF) {
case Instruction::Xor: {
ValueList LHSVL, RHSVL;
for (int i = 0; i < VF; ++i) {
RHSVL.push_back(cast<Instruction>(VL[i])->getOperand(0));
LHSVL.push_back(cast<Instruction>(VL[i])->getOperand(1));
LHSVL.push_back(cast<Instruction>(VL[i])->getOperand(0));
RHSVL.push_back(cast<Instruction>(VL[i])->getOperand(1));
}
Value *RHS = vectorizeTree_rec(RHSVL, VF);
Value *LHS = vectorizeTree_rec(LHSVL, VF);
Value *RHS = vectorizeTree_rec(RHSVL, VF);
IRBuilder<> Builder(GetLastInstr(VL, VF));
BinaryOperator *BinOp = cast<BinaryOperator>(VL0);
Value *V = Builder.CreateBinOp(BinOp->getOpcode(), RHS,LHS);
Value *V = Builder.CreateBinOp(BinOp->getOpcode(), LHS,RHS);
for (int i = 0; i < VF; ++i)
VectorizedValues[VL[i]] = V;