[PATCH] D41283: [InstCombine] Missed optimization in math expression: tan(a) * cos(a) == sin(a)

[Dmitry Venikov via Phabricator via llvm-commits]

Quolyk updated this revision to Diff 129401.
Quolyk added a comment.

This needs to be merged first, because it introduces m_LibFunc match, that would be useful for other optimizations.


https://reviews.llvm.org/D41283

Files:
  include/llvm/IR/PatternMatch.h
  lib/Transforms/InstCombine/InstCombineMulDivRem.cpp
  test/Transforms/InstCombine/fmul-tan-cos.ll

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