[PATCH] D13076: [InstCombine] transform masking off of an FP sign bit into a fabs() intrinsic call (PR24886)

David Majnemer via llvm-commits llvm-commits at lists.llvm.org
Tue Sep 22 15:51:55 PDT 2015

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If we will canonicalize away from bitmath, can we please teach `computeKnownBitsFromOperator` how to reason about `llvm.fabs`?  Otherwise, this might be a pessimization.


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