[LV] Assert that the executed plan contains selected VF & UF (NFC).

Add assertion to ensure the executed plan is valid for the selected VF
and UF.

1 files changed, 5 insertions, 0 deletions

diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
index 636306e..f194441 100644
--- a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
+++ b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -7611,6 +7611,11 @@ void LoopVectorizationPlanner::executePlan(ElementCount BestVF, unsigned BestUF,
                                            InnerLoopVectorizer &ILV,
                                            DominatorTree *DT,
                                            bool IsEpilogueVectorization) {
+  assert(BestVPlan.hasVF(BestVF) &&
+         "Trying to execute plan with unsupported VF");
+  assert(BestVPlan.hasUF(BestUF) &&
+         "Trying to execute plan with unsupported UF");
+
   LLVM_DEBUG(dbgs() << "Executing best plan with VF=" << BestVF << ", UF=" << BestUF
                     << '\n');