[PATCH] D20583: AMDGPU: Fix inconsistent lowering of select of vectors
Matt Arsenault via llvm-commits
llvm-commits at lists.llvm.org
Tue May 24 11:33:53 PDT 2016
arsenm created this revision.
arsenm added a reviewer: tstellarAMD.
arsenm added a subscriber: llvm-commits.
Herald added subscribers: kzhuravl, arsenm.
f32 vectors would use a sequence of BFI instructions instead
of unrolled cmp + select. This was better in the case of a VALU
select with SGPR inputs, but we don't have a way of dealing with that
in the DAG.
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