| ; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 < %s | FileCheck -check-prefix=GCN %s |
| |
| ; Make sure flat_scratch_init is set |
| |
| ; GCN-LABEL: {{^}}stack_object_addrspacecast_in_kernel_no_calls: |
| ; GCN: .amdhsa_user_sgpr_flat_scratch_init 1 |
| define amdgpu_kernel void @stack_object_addrspacecast_in_kernel_no_calls() { |
| %alloca = alloca i32, addrspace(5) |
| %cast = addrspacecast i32 addrspace(5)* %alloca to i32* |
| store volatile i32 0, i32* %cast |
| ret void |
| } |
| |
| ; TODO: Could optimize out in this case |
| ; GCN-LABEL: {{^}}stack_object_in_kernel_no_calls: |
| ; GCN: .amdhsa_user_sgpr_flat_scratch_init 1 |
| define amdgpu_kernel void @stack_object_in_kernel_no_calls() { |
| %alloca = alloca i32, addrspace(5) |
| store volatile i32 0, i32 addrspace(5)* %alloca |
| ret void |
| } |
| |
| ; GCN-LABEL: {{^}}kernel_no_calls_no_stack: |
| ; GCN: .amdhsa_user_sgpr_flat_scratch_init 0 |
| define amdgpu_kernel void @kernel_no_calls_no_stack() { |
| ret void |
| } |