diff options
| -rw-r--r-- | llvm/lib/Transforms/Vectorize/LoopVectorize.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp index 478174f8251..4f67aa1f322 100644 --- a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp +++ b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp @@ -2697,6 +2697,7 @@ void InnerLoopVectorizer::emitSCEVChecks(Loop *L, BasicBlock *Bypass) { assert(!Cost->foldTailByMasking() && "Cannot SCEV check stride or overflow when folding tail"); + // Create a new block containing the stride check. BB->setName("vector.scevcheck"); auto *NewBB = BB->splitBasicBlock(BB->getTerminator(), "vector.ph"); @@ -2729,7 +2730,9 @@ void InnerLoopVectorizer::emitMemRuntimeChecks(Loop *L, BasicBlock *Bypass) { if (!MemRuntimeCheck) return; - assert(!Cost->foldTailByMasking() && "Cannot check memory when folding tail"); + assert(!BB->getParent()->hasOptSize() && + "Cannot emit memory checks when optimizing for size"); + // Create a new block containing the memory check. BB->setName("vector.memcheck"); auto *NewBB = BB->splitBasicBlock(BB->getTerminator(), "vector.ph"); |
