diff options
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/Utils/LoopUtils.cpp | 3 | ||||
| -rw-r--r-- | llvm/lib/Transforms/Vectorize/LoopVectorize.cpp | 2 |
2 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/Utils/LoopUtils.cpp b/llvm/lib/Transforms/Utils/LoopUtils.cpp index 3c522786641..f2015c6389b 100644 --- a/llvm/lib/Transforms/Utils/LoopUtils.cpp +++ b/llvm/lib/Transforms/Utils/LoopUtils.cpp @@ -565,7 +565,8 @@ bool RecurrenceDescriptor::isFirstOrderRecurrence( auto *I = Phi->user_back(); if (I->isCast() && (I->getParent() == Phi->getParent()) && I->hasOneUse() && DT->dominates(Previous, I->user_back())) { - SinkAfter[I] = Previous; + if (!DT->dominates(Previous, I)) // Otherwise we're good w/o sinking. + SinkAfter[I] = Previous; return true; } } diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp index 5c640542e9a..adde81984c2 100644 --- a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp +++ b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp @@ -7655,7 +7655,7 @@ void LoopVectorizationPlanner::executePlan(InnerLoopVectorizer &ILV) { // 2. Copy and widen instructions from the old loop into the new loop. // Move instructions to handle first-order recurrences. - DenseMap<Instruction *, Instruction *> SinkAfter = Legal->getSinkAfter(); + DenseMap<Instruction *, Instruction *> &SinkAfter = Legal->getSinkAfter(); for (auto &Entry : SinkAfter) { Entry.first->removeFromParent(); Entry.first->insertAfter(Entry.second); |
