[PATCH] D106879: GlobalISel: Fix infinite loop in legalization artifact combiner
Petar Avramovic via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Jul 28 08:09:32 PDT 2021
Petar.Avramovic updated this revision to Diff 362393.
Petar.Avramovic added a comment.
Herald added a subscriber: ormris.
Mark dead bit in DeadDefs and add mir test. MIR in last two tests is from just before artifact combiner. In one we can see dead def in unmerge, other has only dbg use.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D106879/new/
https://reviews.llvm.org/D106879
Files:
llvm/include/llvm/CodeGen/GlobalISel/LegalizationArtifactCombiner.h
llvm/test/CodeGen/AMDGPU/GlobalISel/bug-legalization-artifact-combiner-dead-def.ll
llvm/test/CodeGen/AMDGPU/GlobalISel/bug-legalization-artifact-combiner-dead-def.mir
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