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AMDGPU: Look for src mods before fp_extend
authorMatt Arsenault <Matthew.Arsenault@amd.com>
Fri, 13 Oct 2017 20:45:49 +0000 (20:45 +0000)
committerMatt Arsenault <Matthew.Arsenault@amd.com>
Fri, 13 Oct 2017 20:45:49 +0000 (20:45 +0000)
commitb1763ab78e42a3c21cb7f4327a41a34c7d932a90
tree7e4a23e4ab034ee94dfb474a3251e0cdfccd5ef7
parent5cd5b63d5e746c230a57216100f6de336546b54a
AMDGPU: Look for src mods before fp_extend

When selecting modifiers for mad_mix instructions,
look at fneg/fabs that occur before the conversion.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@315748 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp
test/CodeGen/AMDGPU/fpext-free.ll
test/CodeGen/AMDGPU/mad-mix.ll