diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
index df6aac3..d74d14f 100644
--- a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
+++ b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -1200,7 +1200,7 @@
       // load/store. Collect recipe if its underlying instruction has
       // poison-generating flags.
       Instruction *Instr = CurRec->getUnderlyingInstr();
-      if (Instr && cast<Operator>(Instr)->hasPoisonGeneratingFlags())
+      if (Instr && Instr->hasPoisonGeneratingFlags())
         State.MayGeneratePoisonRecipes.insert(CurRec);
 
       // Add new definitions to the worklist.