[PATCH] D69497: [PowerPC] Fix MI peephole optimization for splats
Colin Samples via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Oct 30 08:53:02 PDT 2019
vddvss updated this revision to Diff 227116.
vddvss edited the summary of this revision.
vddvss added a comment.
Per @jsji's suggestion, this checks if the operands to `DefMI` are both the same virtual register, which enables optimization in more cases.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D69497/new/
https://reviews.llvm.org/D69497
Files:
llvm/lib/Target/PowerPC/PPCMIPeephole.cpp
llvm/test/CodeGen/PowerPC/mi-peephole-splat.ll
llvm/test/CodeGen/PowerPC/vector-constrained-fp-intrinsics.ll
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