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fix for null VectorizedValue assertion in the SLP Vectorizer (in function vectorizeTree()). radar://16064178

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201501 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Gerolf Hoflehner
2014-02-17 03:06:16 +00:00
parent 62cb90e8c6
commit 3bc859466b
2 changed files with 69 additions and 2 deletions
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6
lib/Transforms/Vectorize/SLPVectorizer.cpp
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@ -779,7 +779,8 @@ void BoUpSLP::buildTree_rec(ArrayRef<Value *> VL, unsigned Depth) {
// Check for terminator values (e.g. invoke).
for (unsigned j = 0; j < VL.size(); ++j)
for (unsigned i = 0, e = PH->getNumIncomingValues(); i < e; ++i) {
TerminatorInst *Term = dyn_cast<TerminatorInst>(cast<PHINode>(VL[j])->getIncomingValue(i));
TerminatorInst *Term = dyn_cast<TerminatorInst>(
cast<PHINode>(VL[j])->getIncomingValueForBlock(PH->getIncomingBlock(i)));
if (Term) {
DEBUG(dbgs() << "SLP: Need to swizzle PHINodes (TerminatorInst use).\n");
newTreeEntry(VL, false);
@ -794,7 +795,8 @@ void BoUpSLP::buildTree_rec(ArrayRef<Value *> VL, unsigned Depth) {
ValueList Operands;
// Prepare the operand vector.
for (unsigned j = 0; j < VL.size(); ++j)
Operands.push_back(cast<PHINode>(VL[j])->getIncomingValue(i));
Operands.push_back(cast<PHINode>(VL[j])->getIncomingValueForBlock(
PH->getIncomingBlock(i)));
buildTree_rec(Operands, Depth + 1);
}