[PATCH] D47143: [InstrSimplify, NewGVN] Add option to ignore metadata when simplifying.
Florian Hahn via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Jul 24 09:41:59 PDT 2018
fhahn added a reviewer: efriedma.
fhahn added a comment.
ping. This introduces a way to prevent InstructionSimplify from using metadata when simplifying for NewGVN. This fixes a correctness problem, where we currently make a simplification based on metadata of the leader, which not necessarily is available for all instructions in a congruence class. Any feedback on the general approach would be great.
https://reviews.llvm.org/D47143
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