[VPlan] Silence static analyzer dyn_cast null dereference warning. NFCI.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@372502 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Vectorize/VPlanHCFGTransforms.cpp b/lib/Transforms/Vectorize/VPlanHCFGTransforms.cpp
index 7ed7d21b6caa88b971aacc5f908ca66e666c5de4..b22d3190d654ccc099c57be52019be2b56ab772a 100644 (file)
--- a/lib/Transforms/Vectorize/VPlanHCFGTransforms.cpp
+++ b/lib/Transforms/Vectorize/VPlanHCFGTransforms.cpp
@@ -21,7 +21,7 @@ void VPlanHCFGTransforms::VPInstructionsToVPRecipes(
     LoopVectorizationLegality::InductionList *Inductions,
     SmallPtrSetImpl<Instruction *> &DeadInstructions) {
 
-  VPRegionBlock *TopRegion = dyn_cast<VPRegionBlock>(Plan->getEntry());
+  auto *TopRegion = cast<VPRegionBlock>(Plan->getEntry());
   ReversePostOrderTraversal<VPBlockBase *> RPOT(TopRegion->getEntry());
 
   // Condition bit VPValues get deleted during transformation to VPRecipes.