[PATCH] D83789: [X86][SSE] Attempt to match OP(SHUFFLE(X,Y),SHUFFLE(X,Y)) -> SHUFFLE(HOP(X,Y))
Simon Pilgrim via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Jul 27 12:41:17 PDT 2020
RKSimon updated this revision to Diff 281024.
RKSimon added a comment.
simplify lane-crossing logic
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D83789/new/
https://reviews.llvm.org/D83789
Files:
llvm/lib/Target/X86/X86ISelLowering.cpp
llvm/test/CodeGen/X86/haddsub-3.ll
llvm/test/CodeGen/X86/haddsub-4.ll
llvm/test/CodeGen/X86/haddsub-shuf.ll
llvm/test/CodeGen/X86/haddsub-undef.ll
llvm/test/CodeGen/X86/vector-shuffle-256-v4.ll
llvm/test/CodeGen/X86/vector-shuffle-256-v8.ll
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