| ; RUN: llc -mtriple=amdgcn-amd- -mcpu=gfx803 -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,GFX8 %s | 
 | ; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx803 -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,GFX8 %s | 
 |  | 
 | ; GCN-LABEL: {{^}}system_monotonic: | 
 | ; GCN-NOT:   s_waitcnt vmcnt(0){{$}} | 
 | ; GCN:       flat_atomic_swap v[{{[0-9]+}}:{{[0-9]+}}], v{{[0-9]+}}{{$}} | 
 | ; GCN-NOT:   s_waitcnt vmcnt(0){{$}} | 
 | ; GCN-NOT:   buffer_wbinvl1_vol | 
 | define amdgpu_kernel void @system_monotonic( | 
 |     i32* %out, i32 %in) { | 
 | entry: | 
 |   %val = atomicrmw volatile xchg i32* %out, i32 %in monotonic | 
 |   ret void | 
 | } | 
 |  | 
 | ; GCN-LABEL: {{^}}system_acquire: | 
 | ; GCN-NOT:    s_waitcnt vmcnt(0){{$}} | 
 | ; GCN:        flat_atomic_swap v[{{[0-9]+}}:{{[0-9]+}}], v{{[0-9]+}}{{$}} | 
 | ; GCN-NEXT:   s_waitcnt vmcnt(0){{$}} | 
 | ; GFX8-NEXT:  buffer_wbinvl1_vol | 
 | define amdgpu_kernel void @system_acquire( | 
 |     i32* %out, i32 %in) { | 
 | entry: | 
 |   %val = atomicrmw volatile xchg i32* %out, i32 %in acquire | 
 |   ret void | 
 | } | 
 |  | 
 | ; GCN-LABEL: {{^}}system_release: | 
 | ; GCN:        s_waitcnt vmcnt(0){{$}} | 
 | ; GCN-NEXT:   flat_atomic_swap v[{{[0-9]+}}:{{[0-9]+}}], v{{[0-9]+}}{{$}} | 
 | ; GCN-NOT:    s_waitcnt vmcnt(0){{$}} | 
 | ; GCN-NOT:    buffer_wbinvl1_vol | 
 | define amdgpu_kernel void @system_release( | 
 |     i32* %out, i32 %in) { | 
 | entry: | 
 |   %val = atomicrmw volatile xchg i32* %out, i32 %in release | 
 |   ret void | 
 | } | 
 |  | 
 | ; GCN-LABEL: {{^}}system_acq_rel: | 
 | ; GCN:         s_waitcnt vmcnt(0){{$}} | 
 | ; GCN-NEXT:    flat_atomic_swap v[{{[0-9]+}}:{{[0-9]+}}], v{{[0-9]+}}{{$}} | 
 | ; GCN-NEXT:    s_waitcnt vmcnt(0){{$}} | 
 | ; GFX8-NEXT:   buffer_wbinvl1_vol | 
 | define amdgpu_kernel void @system_acq_rel( | 
 |     i32* %out, i32 %in) { | 
 | entry: | 
 |   %val = atomicrmw volatile xchg i32* %out, i32 %in acq_rel | 
 |   ret void | 
 | } | 
 |  | 
 | ; GCN-LABEL: {{^}}system_seq_cst: | 
 | ; GCN:        s_waitcnt vmcnt(0){{$}} | 
 | ; GCN-NEXT:   flat_atomic_swap v[{{[0-9]+}}:{{[0-9]+}}], v{{[0-9]+}}{{$}} | 
 | ; GCN-NEXT:   s_waitcnt vmcnt(0){{$}} | 
 | ; GFX8-NEXT:  buffer_wbinvl1_vol | 
 | define amdgpu_kernel void @system_seq_cst( | 
 |     i32* %out, i32 %in) { | 
 | entry: | 
 |   %val = atomicrmw volatile xchg i32* %out, i32 %in seq_cst | 
 |   ret void | 
 | } | 
 |  | 
 | ; GCN-LABEL: {{^}}singlethread_monotonic: | 
 | ; GCN-NOT:   s_waitcnt vmcnt(0){{$}} | 
 | ; GCN:       flat_atomic_swap v[{{[0-9]+}}:{{[0-9]+}}], v{{[0-9]+}}{{$}} | 
 | ; GCN-NOT:   s_waitcnt vmcnt(0){{$}} | 
 | ; GCN-NOT:   buffer_wbinvl1_vol | 
 | define amdgpu_kernel void @singlethread_monotonic( | 
 |     i32* %out, i32 %in) { | 
 | entry: | 
 |   %val = atomicrmw volatile xchg i32* %out, i32 %in syncscope("singlethread") monotonic | 
 |   ret void | 
 | } | 
 |  | 
 | ; GCN-LABEL: {{^}}singlethread_acquire: | 
 | ; GCN-NOT:   s_waitcnt vmcnt(0){{$}} | 
 | ; GCN:       flat_atomic_swap v[{{[0-9]+}}:{{[0-9]+}}], v{{[0-9]+}}{{$}} | 
 | ; GCN-NOT:   s_waitcnt vmcnt(0){{$}} | 
 | ; GCN-NOT:   buffer_wbinvl1_vol | 
 | define amdgpu_kernel void @singlethread_acquire( | 
 |     i32* %out, i32 %in) { | 
 | entry: | 
 |   %val = atomicrmw volatile xchg i32* %out, i32 %in syncscope("singlethread") acquire | 
 |   ret void | 
 | } | 
 |  | 
 | ; GCN-LABEL: {{^}}singlethread_release: | 
 | ; GCN-NOT:   s_waitcnt vmcnt(0){{$}} | 
 | ; GCN:       flat_atomic_swap v[{{[0-9]+}}:{{[0-9]+}}], v{{[0-9]+}}{{$}} | 
 | ; GCN-NOT:   s_waitcnt vmcnt(0){{$}} | 
 | ; GCN-NOT:   buffer_wbinvl1_vol | 
 | define amdgpu_kernel void @singlethread_release( | 
 |     i32* %out, i32 %in) { | 
 | entry: | 
 |   %val = atomicrmw volatile xchg i32* %out, i32 %in syncscope("singlethread") release | 
 |   ret void | 
 | } | 
 |  | 
 | ; GCN-LABEL: {{^}}singlethread_acq_rel: | 
 | ; GCN-NOT:   s_waitcnt vmcnt(0){{$}} | 
 | ; GCN:       flat_atomic_swap v[{{[0-9]+}}:{{[0-9]+}}], v{{[0-9]+}}{{$}} | 
 | ; GCN-NOT:   s_waitcnt vmcnt(0){{$}} | 
 | ; GCN-NOT:   buffer_wbinvl1_vol | 
 | define amdgpu_kernel void @singlethread_acq_rel( | 
 |     i32* %out, i32 %in) { | 
 | entry: | 
 |   %val = atomicrmw volatile xchg i32* %out, i32 %in syncscope("singlethread") acq_rel | 
 |   ret void | 
 | } | 
 |  | 
 | ; GCN-LABEL: {{^}}singlethread_seq_cst: | 
 | ; GCN-NOT:   s_waitcnt vmcnt(0){{$}} | 
 | ; GCN:       flat_atomic_swap v[{{[0-9]+}}:{{[0-9]+}}], v{{[0-9]+}}{{$}} | 
 | ; GCN-NOT:   s_waitcnt vmcnt(0){{$}} | 
 | ; GCN-NOT:   buffer_wbinvl1_vol | 
 | define amdgpu_kernel void @singlethread_seq_cst( | 
 |     i32* %out, i32 %in) { | 
 | entry: | 
 |   %val = atomicrmw volatile xchg i32* %out, i32 %in syncscope("singlethread") seq_cst | 
 |   ret void | 
 | } | 
 |  | 
 | ; GCN-LABEL: {{^}}agent_monotonic: | 
 | ; GCN-NOT:   s_waitcnt vmcnt(0){{$}} | 
 | ; GCN:       flat_atomic_swap v[{{[0-9]+}}:{{[0-9]+}}], v{{[0-9]+}}{{$}} | 
 | ; GCN-NOT:   s_waitcnt vmcnt(0){{$}} | 
 | ; GCN-NOT:   buffer_wbinvl1_vol | 
 | define amdgpu_kernel void @agent_monotonic( | 
 |     i32* %out, i32 %in) { | 
 | entry: | 
 |   %val = atomicrmw volatile xchg i32* %out, i32 %in syncscope("agent") monotonic | 
 |   ret void | 
 | } | 
 |  | 
 | ; GCN-LABEL: {{^}}agent_acquire: | 
 | ; GCN-NOT:    s_waitcnt vmcnt(0){{$}} | 
 | ; GCN:        flat_atomic_swap v[{{[0-9]+}}:{{[0-9]+}}], v{{[0-9]+}}{{$}} | 
 | ; GCN-NEXT:   s_waitcnt vmcnt(0){{$}} | 
 | ; GFX8-NEXT:  buffer_wbinvl1_vol | 
 | define amdgpu_kernel void @agent_acquire( | 
 |     i32* %out, i32 %in) { | 
 | entry: | 
 |   %val = atomicrmw volatile xchg i32* %out, i32 %in syncscope("agent") acquire | 
 |   ret void | 
 | } | 
 |  | 
 | ; GCN-LABEL: {{^}}agent_release: | 
 | ; GCN:        s_waitcnt vmcnt(0){{$}} | 
 | ; GCN-NEXT:   flat_atomic_swap v[{{[0-9]+}}:{{[0-9]+}}], v{{[0-9]+}}{{$}} | 
 | ; GCN-NOT:    s_waitcnt vmcnt(0){{$}} | 
 | ; GCN-NOT:    buffer_wbinvl1_vol | 
 | define amdgpu_kernel void @agent_release( | 
 |     i32* %out, i32 %in) { | 
 | entry: | 
 |   %val = atomicrmw volatile xchg i32* %out, i32 %in syncscope("agent") release | 
 |   ret void | 
 | } | 
 |  | 
 | ; GCN-LABEL: {{^}}agent_acq_rel: | 
 | ; GCN:        s_waitcnt vmcnt(0){{$}} | 
 | ; GCN-NEXT:   flat_atomic_swap v[{{[0-9]+}}:{{[0-9]+}}], v{{[0-9]+}}{{$}} | 
 | ; GCN-NEXT:   s_waitcnt vmcnt(0){{$}} | 
 | ; GFX8-NEXT:  buffer_wbinvl1_vol | 
 | define amdgpu_kernel void @agent_acq_rel( | 
 |     i32* %out, i32 %in) { | 
 | entry: | 
 |   %val = atomicrmw volatile xchg i32* %out, i32 %in syncscope("agent") acq_rel | 
 |   ret void | 
 | } | 
 |  | 
 | ; GCN-LABEL: {{^}}agent_seq_cst: | 
 | ; GCN:        s_waitcnt vmcnt(0){{$}} | 
 | ; GCN-NEXT:   flat_atomic_swap v[{{[0-9]+}}:{{[0-9]+}}], v{{[0-9]+}}{{$}} | 
 | ; GCN-NEXT:   s_waitcnt vmcnt(0){{$}} | 
 | ; GFX8-NEXT:  buffer_wbinvl1_vol | 
 | define amdgpu_kernel void @agent_seq_cst( | 
 |     i32* %out, i32 %in) { | 
 | entry: | 
 |   %val = atomicrmw volatile xchg i32* %out, i32 %in syncscope("agent") seq_cst | 
 |   ret void | 
 | } | 
 |  | 
 | ; GCN-LABEL: {{^}}workgroup_monotonic: | 
 | ; GCN-NOT:   s_waitcnt vmcnt(0){{$}} | 
 | ; GCN:       flat_atomic_swap v[{{[0-9]+}}:{{[0-9]+}}], v{{[0-9]+}}{{$}} | 
 | ; GCN-NOT:   s_waitcnt vmcnt(0){{$}} | 
 | ; GCN-NOT:   buffer_wbinvl1_vol | 
 | define amdgpu_kernel void @workgroup_monotonic( | 
 |     i32* %out, i32 %in) { | 
 | entry: | 
 |   %val = atomicrmw volatile xchg i32* %out, i32 %in syncscope("workgroup") monotonic | 
 |   ret void | 
 | } | 
 |  | 
 | ; GCN-LABEL: {{^}}workgroup_acquire: | 
 | ; GCN-NOT:    s_waitcnt vmcnt(0){{$}} | 
 | ; GCN:        flat_atomic_swap v[{{[0-9]+}}:{{[0-9]+}}], v{{[0-9]+}}{{$}} | 
 | ; GFX8-NOT:   s_waitcnt vmcnt(0){{$}} | 
 | ; GFX8-NOT:   buffer_wbinvl1_vol | 
 | define amdgpu_kernel void @workgroup_acquire( | 
 |     i32* %out, i32 %in) { | 
 | entry: | 
 |   %val = atomicrmw volatile xchg i32* %out, i32 %in syncscope("workgroup") acquire | 
 |   ret void | 
 | } | 
 |  | 
 | ; GCN-LABEL: {{^}}workgroup_release: | 
 | ; GFX8-NOT:   s_waitcnt vmcnt(0){{$}} | 
 | ; GCN:        flat_atomic_swap v[{{[0-9]+}}:{{[0-9]+}}], v{{[0-9]+}}{{$}} | 
 | ; GCN-NOT:    s_waitcnt vmcnt(0){{$}} | 
 | ; GCN-NOT:    buffer_wbinvl1_vol | 
 | define amdgpu_kernel void @workgroup_release( | 
 |     i32* %out, i32 %in) { | 
 | entry: | 
 |   %val = atomicrmw volatile xchg i32* %out, i32 %in syncscope("workgroup") release | 
 |   ret void | 
 | } | 
 |  | 
 | ; GCN-LABEL: {{^}}workgroup_acq_rel: | 
 | ; GFX8-NOT:   s_waitcnt vmcnt(0){{$}} | 
 | ; GCN:        flat_atomic_swap v[{{[0-9]+}}:{{[0-9]+}}], v{{[0-9]+}}{{$}} | 
 | ; GFX8-NOT:   s_waitcnt vmcnt(0){{$}} | 
 | ; GFX8-NOT:   buffer_wbinvl1_vol | 
 | define amdgpu_kernel void @workgroup_acq_rel( | 
 |     i32* %out, i32 %in) { | 
 | entry: | 
 |   %val = atomicrmw volatile xchg i32* %out, i32 %in syncscope("workgroup") acq_rel | 
 |   ret void | 
 | } | 
 |  | 
 | ; GCN-LABEL: {{^}}workgroup_seq_cst: | 
 | ; GFX8-NOT:   s_waitcnt vmcnt(0){{$}} | 
 | ; GCN:        flat_atomic_swap v[{{[0-9]+}}:{{[0-9]+}}], v{{[0-9]+}}{{$}} | 
 | ; GCN-NOT:    s_waitcnt vmcnt(0){{$}} | 
 | ; GFX8-NOT:   buffer_wbinvl1_vol | 
 | define amdgpu_kernel void @workgroup_seq_cst( | 
 |     i32* %out, i32 %in) { | 
 | entry: | 
 |   %val = atomicrmw volatile xchg i32* %out, i32 %in syncscope("workgroup") seq_cst | 
 |   ret void | 
 | } | 
 |  | 
 | ; GCN-LABEL: {{^}}wavefront_monotonic: | 
 | ; GCN-NOT:   s_waitcnt vmcnt(0){{$}} | 
 | ; GCN:       flat_atomic_swap v[{{[0-9]+}}:{{[0-9]+}}], v{{[0-9]+}}{{$}} | 
 | ; GCN-NOT:   s_waitcnt vmcnt(0){{$}} | 
 | ; GCN-NOT:   buffer_wbinvl1_vol | 
 | define amdgpu_kernel void @wavefront_monotonic( | 
 |     i32* %out, i32 %in) { | 
 | entry: | 
 |   %val = atomicrmw volatile xchg i32* %out, i32 %in syncscope("wavefront") monotonic | 
 |   ret void | 
 | } | 
 |  | 
 | ; GCN-LABEL: {{^}}wavefront_acquire: | 
 | ; GCN-NOT:   s_waitcnt vmcnt(0){{$}} | 
 | ; GCN:       flat_atomic_swap v[{{[0-9]+}}:{{[0-9]+}}], v{{[0-9]+}}{{$}} | 
 | ; GCN-NOT:   s_waitcnt vmcnt(0){{$}} | 
 | ; GCN-NOT:   buffer_wbinvl1_vol | 
 | define amdgpu_kernel void @wavefront_acquire( | 
 |     i32* %out, i32 %in) { | 
 | entry: | 
 |   %val = atomicrmw volatile xchg i32* %out, i32 %in syncscope("wavefront") acquire | 
 |   ret void | 
 | } | 
 |  | 
 | ; GCN-LABEL: {{^}}wavefront_release: | 
 | ; GCN-NOT:   s_waitcnt vmcnt(0){{$}} | 
 | ; GCN:       flat_atomic_swap v[{{[0-9]+}}:{{[0-9]+}}], v{{[0-9]+}}{{$}} | 
 | ; GCN-NOT:   s_waitcnt vmcnt(0){{$}} | 
 | ; GCN-NOT:   buffer_wbinvl1_vol | 
 | define amdgpu_kernel void @wavefront_release( | 
 |     i32* %out, i32 %in) { | 
 | entry: | 
 |   %val = atomicrmw volatile xchg i32* %out, i32 %in syncscope("wavefront") release | 
 |   ret void | 
 | } | 
 |  | 
 | ; GCN-LABEL: {{^}}wavefront_acq_rel: | 
 | ; GCN-NOT:   s_waitcnt vmcnt(0){{$}} | 
 | ; GCN:       flat_atomic_swap v[{{[0-9]+}}:{{[0-9]+}}], v{{[0-9]+}}{{$}} | 
 | ; GCN-NOT:   s_waitcnt vmcnt(0){{$}} | 
 | ; GCN-NOT:   buffer_wbinvl1_vol | 
 | define amdgpu_kernel void @wavefront_acq_rel( | 
 |     i32* %out, i32 %in) { | 
 | entry: | 
 |   %val = atomicrmw volatile xchg i32* %out, i32 %in syncscope("wavefront") acq_rel | 
 |   ret void | 
 | } | 
 |  | 
 | ; GCN-LABEL: {{^}}wavefront_seq_cst: | 
 | ; GCN-NOT:   s_waitcnt vmcnt(0){{$}} | 
 | ; GCN:       flat_atomic_swap v[{{[0-9]+}}:{{[0-9]+}}], v{{[0-9]+}}{{$}} | 
 | ; GCN-NOT:   s_waitcnt vmcnt(0){{$}} | 
 | ; GCN-NOT:   buffer_wbinvl1_vol | 
 | define amdgpu_kernel void @wavefront_seq_cst( | 
 |     i32* %out, i32 %in) { | 
 | entry: | 
 |   %val = atomicrmw volatile xchg i32* %out, i32 %in syncscope("wavefront") seq_cst | 
 |   ret void | 
 | } |