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Check if in set on insertion instead of separately

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189179 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matt Arsenault 2013-08-24 19:55:38 +00:00
parent f86778a848
commit ecc52e0c5b
1 changed files with 3 additions and 7 deletions
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10
lib/Transforms/Vectorize/SLPVectorizer.cpp
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@ -1161,13 +1161,11 @@ Value *BoUpSLP::vectorizeTree(TreeEntry *E) {
ValueList Operands;
BasicBlock *IBB = PH->getIncomingBlock(i);
if (VisitedBBs.count(IBB)) {
if (!VisitedBBs.insert(IBB)) {
NewPhi->addIncoming(NewPhi->getIncomingValueForBlock(IBB), IBB);
continue;
}
VisitedBBs.insert(IBB);
// Prepare the operand vector.
for (unsigned j = 0; j < E->Scalars.size(); ++j)
Operands.push_back(cast<PHINode>(E->Scalars[j])->
@ -1851,9 +1849,8 @@ bool SLPVectorizer::vectorizeChainsInBlock(BasicBlock *BB, BoUpSLP &R) {
break;
// We may go through BB multiple times so skip the one we have checked.
if (VisitedInstrs.count(instr))
if (!VisitedInstrs.insert(instr))
continue;
VisitedInstrs.insert(instr);
// Stop constructing the list when you reach a different type.
if (Incoming.size() && P->getType() != Incoming[0]->getType()) {
@ -1879,9 +1876,8 @@ bool SLPVectorizer::vectorizeChainsInBlock(BasicBlock *BB, BoUpSLP &R) {
for (BasicBlock::iterator it = BB->begin(), e = BB->end(); it != e; it++) {
// We may go through BB multiple times so skip the one we have checked.
if (VisitedInstrs.count(it))
if (!VisitedInstrs.insert(it))
continue;
VisitedInstrs.insert(it);
if (isa<DbgInfoIntrinsic>(it))
continue;