RPCS3/llvm
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm.git synced 2024-12-14 07:31:53 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

GVN-hoist: invalidate MD cache (PR29144)

Browse Source 
Without invalidating the entries in the MD cache we would try to access instructions
that were removed in previous iterations of hoisting.

Differential Revision: https://reviews.llvm.org/D23927

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@279907 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Sebastian Pop 2016-08-27 02:48:41 +00:00
parent 529dc06de0
commit fab5bb8a6c
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
lib/Transforms/Scalar/GVNHoist.cpp
View File

@ -846,6 +846,8 @@ private:
Repl->intersectOptionalDataWith(I); Repl->intersectOptionalDataWith(I);
combineKnownMetadata(Repl, I); combineKnownMetadata(Repl, I);
I->replaceAllUsesWith(Repl); I->replaceAllUsesWith(Repl);
// Also invalidate the Alias Analysis cache.
MD->removeInstruction(I);
I->eraseFromParent(); I->eraseFromParent();
} }