[PATCH] D45736: [SimplifyLibcalls] Replace locked IO with unlocked IO

[Dávid Bolvanský via Phabricator via llvm-commits]

xbolva00 added a comment.

In https://reviews.llvm.org/D45736#1070442, @efriedma wrote:

> That should work, as far as I know; maybe we aren't adding the right nocapture markings to the fwrite() call?


Currently there is:

  case LibFunc_fwrite:
    Changed |= setDoesNotThrow(F);
    Changed |= setDoesNotCapture(F, 0);
    Changed |= setDoesNotCapture(F, 3);
    // FIXME: readonly #1?
    return Changed;


Repository:
  rL LLVM

https://reviews.llvm.org/D45736