[PATCH] D74167: AMDGPU/GlobalISel: Look through casts when legalizing vector indexing
Matt Arsenault via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Feb 6 14:16:49 PST 2020
arsenm created this revision.
arsenm added reviewers: kerbowa, nhaehnle.
Herald added subscribers: Petar.Avramovic, arphaman, hiraditya, t-tye, tpr, dstuttard, rovka, yaxunl, wdng, jvesely, kzhuravl.
Herald added a project: LLVM.
We were failing to find constants that were casted. I feel like the
artifact combiner should have folded the constant in the trunc before
the custom lowering, but that doesn't happen.
https://reviews.llvm.org/D74167
Files:
llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-extract-vector-elt.mir
llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-insert-vector-elt.mir
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