[PATCH] D54882: [AMDGPU] Add sdwa support for ADD|SUB U64 decomposed Pseudos
Ron Lieberman via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Nov 27 14:42:59 PST 2018
ronlieb updated this revision to Diff 175587.
ronlieb added a comment.
latest approach: transform the pair of ADDs/SUBs into e32, and tighten up check on def/use from one ADD to the other.
MIR test still pending.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D54882/new/
https://reviews.llvm.org/D54882
Files:
lib/Target/AMDGPU/SIInstrInfo.cpp
lib/Target/AMDGPU/SIPeepholeSDWA.cpp
test/CodeGen/AMDGPU/sdwa-op64-test.ll
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