150   AMDGPUFunctionArgInfo AI;  in fixedABILayout()  local
151   AI.PrivateSegmentBuffer  in fixedABILayout()
153   AI.DispatchPtr = ArgDescriptor::createRegister(AMDGPU::SGPR4_SGPR5);  in fixedABILayout()
154   AI.QueuePtr = ArgDescriptor::createRegister(AMDGPU::SGPR6_SGPR7);  in fixedABILayout()
158   AI.ImplicitArgPtr = ArgDescriptor::createRegister(AMDGPU::SGPR8_SGPR9);  in fixedABILayout()
159   AI.DispatchID = ArgDescriptor::createRegister(AMDGPU::SGPR10_SGPR11);  in fixedABILayout()
162   AI.WorkGroupIDX = ArgDescriptor::createRegister(AMDGPU::SGPR12);  in fixedABILayout()
163   AI.WorkGroupIDY = ArgDescriptor::createRegister(AMDGPU::SGPR13);  in fixedABILayout()
164   AI.WorkGroupIDZ = ArgDescriptor::createRegister(AMDGPU::SGPR14);  in fixedABILayout()
167   AI.WorkItemIDX = ArgDescriptor::createRegister(AMDGPU::VGPR31, Mask);  in fixedABILayout()
168   AI.WorkItemIDY = ArgDescriptor::createRegister(AMDGPU::VGPR31, Mask << 10);  in fixedABILayout()
169   AI.WorkItemIDZ = ArgDescriptor::createRegister(AMDGPU::VGPR31, Mask << 20);  in fixedABILayout()
170   return AI;  in fixedABILayout()