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Fix PR15800. Do not try to vectorize vectors and structs.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179960 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nadav Rotem
2013-04-20 22:29:43 +00:00
parent f7af1987dd
commit 4f38e16b89
2 changed files with 24 additions and 1 deletions
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11
lib/Transforms/Vectorize/SLPVectorizer.cpp
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@ -157,7 +157,8 @@ unsigned SLPVectorizer::collectStores(BasicBlock *BB, BoUpSLP &R) {
continue;
// Check that the pointer points to scalars.
if (SI->getValueOperand()->getType()->isAggregateType())
Type *Ty = SI->getValueOperand()->getType();
if (Ty->isAggregateType() || Ty->isVectorTy())
return 0;
// Find the base of the GEP.
@ -180,6 +181,14 @@ bool SLPVectorizer::tryToVectorizePair(Value *A, Value *B, BoUpSLP &R) {
bool SLPVectorizer::tryToVectorizeList(ArrayRef<Value *> VL, BoUpSLP &R) {
DEBUG(dbgs()<<"SLP: Vectorizing a list of length = " << VL.size() << ".\n");
// Check that all of the parts are scalar.
for (int i = 0, e = VL.size(); i < e; ++i) {
Type *Ty = VL[i]->getType();
if (Ty->isAggregateType() || Ty->isVectorTy())
return 0;
}
int Cost = R.getTreeCost(VL);
int ExtrCost = R.getScalarizationCost(VL);
DEBUG(dbgs()<<"SLP: Cost of pair:" << Cost <<