[PATCH] D64099: [InstCombine] pow(C,x) -> exp2(log2(C)*x)

[Dávid Bolvanský via Phabricator via llvm-commits]

xbolva00 updated this revision to Diff 207781.
xbolva00 added a comment.

Fold log2 "manually".


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D64099/new/

https://reviews.llvm.org/D64099

Files:
  lib/Transforms/Utils/SimplifyLibCalls.cpp
  test/Transforms/InstCombine/pow-exp.ll
  test/Transforms/InstCombine/pow_fp_int.ll

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