[PATCH] D53157: Teach the IRBuilder about constrained fadd and friends

[Cameron McInally via Phabricator via cfe-commits]

cameron.mcinally added a comment.

Digressing a bit, but has anyone given thought to how this implementation will play out with libraries? When running with traps enabled, libraries must be compiled for trap-safety. E.g. optimizations on a lib's code could introduce a NaN or cause a trap that does not exist in the code itself.

I'm wondering if the speed penalty for trap-safe code will be a problem with the general Clang population that does not care about traps...


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https://reviews.llvm.org/D53157