sepavloff added a comment. In D104854#2957423 <https://reviews.llvm.org/D104854#2957423>, @spatel wrote:
> Is it intentional that we are not canonicalizing the intrinsic call back to > `fcmp uno` in the default FP environment? It is lowered to unordered comparison by default. Changing `llvm.isnan` to `fcmp uno` somewhere in IR would make it possible to optimize out the latter if fast-math mode is on. Preserving semantics of `isnan` when fast-math is in effect was one of the goals of this change. Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D104854/new/ https://reviews.llvm.org/D104854 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
