[PATCH] D28874: [AMDGPU] Add VGPR copies post regalloc fix pass
Matt Arsenault via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Jan 19 10:31:28 PST 2017
arsenm added a comment.
Why is this necessary? I've been trying to avoid this. This isn't a question for only copies, any of the generic instructions need to be usually considered VALU. With exec writes as scheduling barriers, I don't think this should be needed
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