| ; RUN: llc -mcpu=gfx906 -o - < %s | FileCheck --check-prefix=CHECK %s |
| target triple = "amdgcn-amd-amdhsa" |
| |
| ; Check the group segment has size 4, not zero. |
| ; CHECK: .amdhsa_kernel __device_start |
| ; CHECK: .amdhsa_group_segment_fixed_size 4 |
| ; CHECK: .end_amdhsa_kernel |
| |
| @global_barrier_state = hidden addrspace(3) global i32 undef, align 4 |
| |
| define i32 @rw() #0 { |
| entry: |
| %0 = atomicrmw add i32 addrspace(3)* @global_barrier_state, i32 1 acq_rel, align 4 |
| ret i32 %0 |
| } |
| |
| define amdgpu_kernel void @__device_start() { |
| entry: |
| %0 = call i32 @rw() |
| ret void |
| } |
| |
| attributes #0 = { noinline } |
