[PATCH] D19391: transform masking off of an FP sign bit into a fabs...but only if it's legal!

[Sanjay Patel via llvm-commits]

spatel added a comment.

Note also that the SDNode definitions for 'FABS' and friends is unfortunately vague:
"Perform various unary floating point operations. These are inspired by libm."


http://reviews.llvm.org/D19391