[PATCH] D14400: [SimplifyLibCalls] Tranform log(pow(x, y)) -> y*log(x)

[Davide Italiano via llvm-commits]

davide created this revision.
davide added reviewers: majnemer, scanon, escha, resistor.
davide added a subscriber: llvm-commits.

This also applies to log2, log10.

http://reviews.llvm.org/D14400

Files:
  include/llvm/Transforms/Utils/SimplifyLibCalls.h
  lib/Transforms/Utils/SimplifyLibCalls.cpp
  test/Transforms/InstCombine/log-pow-nofastmath.ll
  test/Transforms/InstCombine/log-pow.ll

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