[GVNHoist] Preserve AAResults.

Resolves PR38906, PR40898.
2019-11-12 14:07:32 -08:00 · 2019-11-12 14:07:32 -08:00 · 4ae74cc99f
parent 335ac2eb66
commit 4ae74cc99f
1 changed files with 1 additions and 0 deletions
--- a/llvm/lib/Transforms/Scalar/GVNHoist.cpp
+++ b/llvm/lib/Transforms/Scalar/GVNHoist.cpp
@ -1168,6 +1168,7 @@ public:
    AU.addPreserved<DominatorTreeWrapperPass>();
    AU.addPreserved<MemorySSAWrapperPass>();
    AU.addPreserved<GlobalsAAWrapperPass>();
+    AU.addPreserved<AAResultsWrapperPass>();
  }
 };