[PATCH] D66071: [X86] Teach lowerV4I32Shuffle to only use broadcasts if the mask has more than one undef element. Prioritize shifts over broadcast in lowerV8I16Shuffle.
Craig Topper via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Sat Aug 17 15:20:01 PDT 2019
craig.topper updated this revision to Diff 215757.
craig.topper added a comment.
Rebase
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D66071/new/
https://reviews.llvm.org/D66071
Files:
llvm/lib/Target/X86/X86ISelLowering.cpp
llvm/test/CodeGen/X86/avg.ll
llvm/test/CodeGen/X86/avx512-shuffles/partial_permute.ll
llvm/test/CodeGen/X86/insertelement-shuffle.ll
llvm/test/CodeGen/X86/shuffle-vs-trunc-512.ll
llvm/test/CodeGen/X86/sse41.ll
llvm/test/CodeGen/X86/vector-reduce-add.ll
llvm/test/CodeGen/X86/vector-shuffle-128-v4.ll
llvm/test/CodeGen/X86/vector-shuffle-128-v8.ll
llvm/test/CodeGen/X86/vector-shuffle-512-v16.ll
llvm/test/CodeGen/X86/vector-shuffle-combining.ll
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