[PATCH] D13994: [SimplifyLibCalls] Optimization for pow(x, n) where n is some constant

[Mandeep Singh Grang via llvm-commits]

mgrang updated this revision to Diff 40724.
mgrang added a comment.

http://reviews.llvm.org/D14466 provides a variable (bool unsafeFPMath) to check for -fast-math. Made use of this in the check for fast-math.
Also updated comment for fast-math check.

Changed if (InnerChain[Exp] != nullptr) ==> if (InnerChain[Exp])


http://reviews.llvm.org/D13994

Files:
  lib/Transforms/Utils/SimplifyLibCalls.cpp
  test/Transforms/InstCombine/pow-4.ll

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