Sanjay Patel 3d6c10dcf3 [SimplifyLibCalls] avoid converting pow() to powi() with no FMF ...

powi() is not a standard math library function; it is specified
with non-strict semantics in the LangRef. We currently require
'afn' to do this transform when it needs a sqrt(), so I just
extended that requirement to the whole-number exponent too.

This bug was introduced with:
b17754bcaa
...where we deferred expansion of pow() to later passes.

2022-07-19 12:26:53 -04:00

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