diff options
Diffstat (limited to 'llvm/lib/Transforms/Vectorize')
| -rw-r--r-- | llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp index 49fce1023ac..8cd948ee551 100644 --- a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp +++ b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp @@ -3355,6 +3355,7 @@ int BoUpSLP::getSpillCost() const { }); // Now find the sequence of instructions between PrevInst and Inst. + unsigned NumCalls = 0; BasicBlock::reverse_iterator InstIt = ++Inst->getIterator().getReverse(), PrevInstIt = PrevInst->getIterator().getReverse(); @@ -3367,16 +3368,19 @@ int BoUpSLP::getSpillCost() const { // Debug informations don't impact spill cost. if ((isa<CallInst>(&*PrevInstIt) && !isa<DbgInfoIntrinsic>(&*PrevInstIt)) && - &*PrevInstIt != PrevInst) { - SmallVector<Type*, 4> V; - for (auto *II : LiveValues) - V.push_back(VectorType::get(II->getType(), BundleWidth)); - Cost += TTI->getCostOfKeepingLiveOverCall(V); - } + &*PrevInstIt != PrevInst) + NumCalls++; ++PrevInstIt; } + if (NumCalls) { + SmallVector<Type*, 4> V; + for (auto *II : LiveValues) + V.push_back(VectorType::get(II->getType(), BundleWidth)); + Cost += NumCalls * TTI->getCostOfKeepingLiveOverCall(V); + } + PrevInst = Inst; } |
