[PATCH] D64713: [InstCombine] X *fast (C ? 1.0 : 0.0) -> C ? X : 0.0

Dávid Bolvanský via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Jul 29 07:37:21 PDT 2019


xbolva00 added a subscriber: lebedev.ri.
xbolva00 added a comment.

Do we miss int version of this? @spatel @lebedev.ri

int foo(int x, int y, bool b) {

  return x / (b  ? 1 : y);

}

We have sdiv x, (select b 1 y), x86-64:
cmov...
idiv...


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D64713/new/

https://reviews.llvm.org/D64713





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