[PATCH] D67874: Prefer AVX512 memcpy when applicable

[Craig Topper via Phabricator via llvm-commits]

craig.topper added inline comments.


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Comment at: llvm/test/CodeGen/X86/memset-nonzero.ll:512
+; AVX512F-zmm-NEXT:  vpbroadcastd    %eax, %zmm0
+; AVX512-ymm-NEXT:   vmovdqu %ymm0, 96(%rdi)
+; AVX512-ymm-NEXT:   vmovdqu %ymm0, 64(%rdi)
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davezarzycki wrote:
> craig.topper wrote:
> > This doesn't look like it was generated by the update_llc_test_checks script.
> How so? I tried running update_llc_test_checks against the test and nothing changed.
I've never seen the script mix prefixes like this. As far as I know it always creates a block with the same prefix separated by a blank line from the other prefixes.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D67874/new/

https://reviews.llvm.org/D67874