diff options
Diffstat (limited to 'llvm/lib/Transforms/Vectorize/LoopVectorize.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Vectorize/LoopVectorize.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp index 802f38e13da..3c693f5d5ee 100644 --- a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp +++ b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp @@ -3276,7 +3276,7 @@ void InnerLoopVectorizer::truncateToMinimalBitwidths() { SI->getOperand(1), VectorType::get(ScalarTruncatedTy, Elements1)); NewI = B.CreateShuffleVector(O0, O1, SI->getMask()); - } else if (isa<LoadInst>(I)) { + } else if (isa<LoadInst>(I) || isa<PHINode>(I)) { // Don't do anything with the operands, just extend the result. continue; } else if (auto *IE = dyn_cast<InsertElementInst>(I)) { @@ -3291,7 +3291,8 @@ void InnerLoopVectorizer::truncateToMinimalBitwidths() { EE->getOperand(0), VectorType::get(ScalarTruncatedTy, Elements)); NewI = B.CreateExtractElement(O0, EE->getOperand(2)); } else { - llvm_unreachable("Unhandled instruction type!"); + // If we don't know what to do, be conservative and don't do anything. + continue; } // Lastly, extend the result. |
