[PATCH] D49273: [InstCombine] Expand the simplification of pow() into exp2()

[Evandro Menezes via Phabricator via llvm-commits]

evandro marked an inline comment as done.
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In D49273#1619685 <https://reviews.llvm.org/D49273#1619685>, @xbolva00 wrote:

> Hello, ldexp seems to be faster here. Did you try it?
>
> pow(2, e) to ldexp(1, e)


`ldexp()` restricts the exponent to integers, so only then is it potentially faster.

Will think about it.

Thank you.


Repository:
  rL LLVM

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https://reviews.llvm.org/D49273