[PATCH] D115180: [X86] Enable v16i8/v32i8/v64i8 rotation on AVX512 targets

[LuoYuanke via Phabricator via llvm-commits]

LuoYuanke added inline comments.


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Comment at: llvm/lib/Target/X86/X86ISelLowering.cpp:29896
+      // See if we can perform this by widening to vXi16.
+      R = DAG.getNode(ISD::ZERO_EXTEND, DL, WideVT, R);
+      R = DAG.getNode(
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I notice in line 29981, it is aext(x). Is it SIGN_EXTEND?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D115180/new/

https://reviews.llvm.org/D115180