[PATCH] D129537: [X86][DAGISel] Don't widen shuffle element with AVX512
Simon Pilgrim via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Jul 20 06:13:43 PDT 2022
RKSimon added inline comments.
================
Comment at: llvm/test/CodeGen/X86/avx512-shuffles/shuffle-blend.ll:169
+; AVX512BW-NEXT: vpsubb %xmm1, %xmm0, %xmm2 {%k1}
+; AVX512BW-NEXT: vmovdqa %xmm2, %xmm0
+; AVX512BW-NEXT: ret{{[l|q]}}
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regression? you might need to improve the 128-bit limit logic to account for vXi16 specifically
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D129537/new/
https://reviews.llvm.org/D129537
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