Philip Reames cf0a978e1f [InstCombine] Extend saturating idempotent atomicrmw transform to FP ...

I'm assuming that the nan propogation logic for InstructonSimplify's handling of fadd and fsub is correct, and applying the same to atomicrmw.

Differential Revision: https://reviews.llvm.org/D58836

llvm-svn: 355222

2019-03-01 19:50:36 +00:00

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