[PATCH] D129537: [X86][DAGISel] Don't widen shuffle element with AVX512
LuoYuanke via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Jul 25 07:08:08 PDT 2022
LuoYuanke added inline comments.
================
Comment at: llvm/test/CodeGen/X86/haddsub-undef.ll:1053
+; AVX512-SLOW: # %bb.0:
+; AVX512-SLOW-NEXT: vmovshdup {{.*#+}} xmm2 = xmm0[1,1,3,3]
+; AVX512-SLOW-NEXT: vaddps %xmm0, %xmm2, %xmm0
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This looks a regression, I'll take a look at it.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D129537/new/
https://reviews.llvm.org/D129537
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