[AArch64] Add patterns matching (fabs (fsub x y)) to (fabd x y)
authorJohn Brawn <john.brawn@arm.com>
Wed, 4 Apr 2018 10:12:53 +0000 (10:12 +0000)
committerJohn Brawn <john.brawn@arm.com>
Wed, 4 Apr 2018 10:12:53 +0000 (10:12 +0000)
commit21d9b33d62772c58267cc0aa725e35ac9a4661db
tree69182b737dd3fe85abed6b44c92f5649b7ebac96
parent4d2740c6edc588796bc7ab4be66e73afd9aa8c4b
[AArch64] Add patterns matching (fabs (fsub x y)) to (fabd x y)

Differential Revision: https://reviews.llvm.org/D44573

llvm-svn: 329163
llvm/lib/Target/AArch64/AArch64InstrInfo.td
llvm/test/CodeGen/AArch64/arm64-vabs.ll
llvm/test/CodeGen/AArch64/fp16_intrinsic_scalar_2op.ll
llvm/test/CodeGen/AArch64/fp16_intrinsic_vector_2op.ll