| ; 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 ptr 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 } |