[PATCH] D23927: GVN-hoist: invalidate MD cache (PR29144)

[Sebastian Pop via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL279907: GVN-hoist: invalidate MD cache (PR29144) (authored by spop).

Changed prior to commit:
  https://reviews.llvm.org/D23927?vs=69385&id=69463#toc

Repository:
  rL LLVM

https://reviews.llvm.org/D23927

Files:
  llvm/trunk/lib/Transforms/Scalar/GVNHoist.cpp

Index: llvm/trunk/lib/Transforms/Scalar/GVNHoist.cpp
===================================================================
--- llvm/trunk/lib/Transforms/Scalar/GVNHoist.cpp
+++ llvm/trunk/lib/Transforms/Scalar/GVNHoist.cpp
@@ -846,6 +846,8 @@
           Repl->intersectOptionalDataWith(I);
           combineKnownMetadata(Repl, I);
           I->replaceAllUsesWith(Repl);
+          // Also invalidate the Alias Analysis cache.
+          MD->removeInstruction(I);
           I->eraseFromParent();
         }
 


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