[PATCH] D129537: [X86][DAGISel] Combine select vXi64 with AVX512 target
LuoYuanke via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Jul 20 01:48:45 PDT 2022
LuoYuanke added inline comments.
================
Comment at: llvm/test/CodeGen/X86/avx512-shuffles/shuffle-blend.ll:94
; CHECK-NEXT: vpaddb %xmm1, %xmm0, %xmm2
-; CHECK-NEXT: vpsubb %xmm1, %xmm0, %xmm0
-; CHECK-NEXT: vpblendw {{.*#+}} xmm0 = xmm0[0],xmm2[1,2,3,4,5,6,7]
+; CHECK-NEXT: movw $3, %ax
+; CHECK-NEXT: kmovd %eax, %k1
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For this case not sure if it is worse than left side code (previous code).
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D129537/new/
https://reviews.llvm.org/D129537
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