[PATCH] D149383: [SelectionDAG][WIP] Add support for evaluating SetCC based on knownbits

[Craig Topper via Phabricator via llvm-commits]

craig.topper added inline comments.


================
Comment at: llvm/test/CodeGen/X86/avx512-mask-op.ll:615
+; CHECK-NEXT:    movb $1, %al
+; CHECK-NEXT:    testb %al, %al
+; CHECK-NEXT:    retq
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goldstein.w.n wrote:
> Why do we emit any code here?
I'm guesting we started with a conditional branch and it got optimized out?


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D149383/new/

https://reviews.llvm.org/D149383