Sanjay Patel 15bff18c6f [SimplifyLibCalls] don't drop fast-math-flags on trig reflection folds (retry r339608) ...

Even though this code is below a function called optimizeFloatingPointLibCall(),
we apparently can't guarantee that we're dealing with FPMathOperators, so bail
out immediately if that's not true.

llvm-svn: 339618

2018-08-13 21:49:19 +00:00

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