[PATCH] D27932: InstSimplify: Eliminate fabs on known positive

[Matt Arsenault via Phabricator via llvm-commits]

arsenm updated this revision to Diff 83656.
arsenm added a comment.

Handle x * x case correctly


https://reviews.llvm.org/D27932

Files:
  include/llvm/Analysis/ValueTracking.h
  lib/Analysis/InstructionSimplify.cpp
  lib/Analysis/ValueTracking.cpp
  test/Transforms/InstCombine/fabs.ll
  test/Transforms/InstCombine/fast-math.ll
  test/Transforms/InstSimplify/floating-point-arithmetic.ll

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