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-rw-r--r--contrib/llvm-project/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp6
1 files changed, 5 insertions, 1 deletions
diff --git a/contrib/llvm-project/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/contrib/llvm-project/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
index 46ff0994e04e..0fdcb8be59ac 100644
--- a/contrib/llvm-project/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
+++ b/contrib/llvm-project/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -9266,7 +9266,11 @@ VPlanPtr LoopVectorizationPlanner::buildVPlanWithVPRecipes(
VPBasicBlock *InsertBlock = PrevRecipe->getParent();
auto *Region = GetReplicateRegion(PrevRecipe);
if (Region)
- InsertBlock = cast<VPBasicBlock>(Region->getSingleSuccessor());
+ InsertBlock = dyn_cast<VPBasicBlock>(Region->getSingleSuccessor());
+ if (!InsertBlock) {
+ InsertBlock = new VPBasicBlock(Region->getName() + ".succ");
+ VPBlockUtils::insertBlockAfter(InsertBlock, Region);
+ }
if (Region || PrevRecipe->isPhi())
Builder.setInsertPoint(InsertBlock, InsertBlock->getFirstNonPhi());
else