OSDN Git Service

DAG: Fold fma (fneg x), K, y -> fma x, -K, y
authorMatt Arsenault <Matthew.Arsenault@amd.com>
Fri, 27 Oct 2017 09:06:07 +0000 (09:06 +0000)
committerMatt Arsenault <Matthew.Arsenault@amd.com>
Fri, 27 Oct 2017 09:06:07 +0000 (09:06 +0000)
commitaa108d865d3062361edbe9c662af43accd8456d8
tree2df5a44e6424eefc71eb3b0c4b64f6c0b1634d0c
parentf8e00e2dc29429bf81f0e437c7e96750f05d62f5
DAG: Fold fma (fneg x), K, y -> fma x, -K, y

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@316753 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/SelectionDAG/DAGCombiner.cpp
test/CodeGen/AMDGPU/fma-combine.ll
test/CodeGen/AMDGPU/fmuladd.f16.ll
test/CodeGen/AMDGPU/fmuladd.f32.ll