commit 2ae2f592484cb2df6e7f9eaabc48daef75ddb380
author Simon Pilgrim <llvm-dev@redking.me.uk> Mon Oct 21 17:15:49 2019 +0000
committer Simon Pilgrim <llvm-dev@redking.me.uk> Mon Oct 21 17:15:49 2019 +0000
tree 8a072da8263f2b9209125c96814d2ff3c6e885fe
parent c4c5944aa91fa4bec6456398e9a0ee7ec2649fd4

GVNHoist - silence static analyzer dyn_cast<> null dereference warning in hasEHOrLoadsOnPath call. NFCI.

The static analyzer is warning about a potential null dereference, but we should be able to use cast<> directly and if not assert will fire for us.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@375429 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/Scalar/GVNHoist.cpp

diff --git a/lib/Transforms/Scalar/GVNHoist.cpp b/lib/Transforms/Scalar/GVNHoist.cpp
index 1f01ba2..c87e414 100644
--- a/lib/Transforms/Scalar/GVNHoist.cpp
+++ b/lib/Transforms/Scalar/GVNHoist.cpp
@@ -539,7 +539,7 @@
 
     // Check for unsafe hoistings due to side effects.
     if (K == InsKind::Store) {
-      if (hasEHOrLoadsOnPath(NewPt, dyn_cast<MemoryDef>(U), NBBsOnAllPaths))
+      if (hasEHOrLoadsOnPath(NewPt, cast<MemoryDef>(U), NBBsOnAllPaths))
         return false;
     } else if (hasEHOnPath(NewBB, OldBB, NBBsOnAllPaths))
       return false;