llvm-project/llvm/test/CodeGen/AMDGPU/memory-legalizer-atomic-fence.ll

; RUN: llc -mtriple=amdgcn-amd- -mcpu=gfx600 -verify-machineinstrs < %s | FileCheck -check-prefix=FUNC -check-prefix=GCN -check-prefix=GFX6 %s
; RUN: llc -mtriple=amdgcn-amd- -mcpu=gfx803 -verify-machineinstrs < %s | FileCheck -check-prefix=FUNC -check-prefix=GCN -check-prefix=GFX8 %s
; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx803 -verify-machineinstrs < %s | FileCheck -check-prefix=FUNC -check-prefix=GCN -check-prefix=GFX8 %s

; FUNC-LABEL: {{^}}system_acquire
; GCN:        BB#0
; GCN-NOT:    ATOMIC_FENCE
; GFX6:       s_waitcnt vmcnt(0){{$}}
; GFX6-NEXT:  buffer_wbinvl1{{$}}
; GFX8:       s_waitcnt vmcnt(0){{$}}
; GFX8-NEXT:  buffer_wbinvl1_vol{{$}}
; GCN:        s_endpgm
define amdgpu_kernel void @system_acquire() {
entry:
  fence acquire
  ret void
}

; FUNC-LABEL: {{^}}system_release
; GCN:        BB#0
; GCN-NOT:    ATOMIC_FENCE
; GCN:        s_waitcnt vmcnt(0){{$}}
; GCN:        s_endpgm
define amdgpu_kernel void @system_release() {
entry:
  fence release
  ret void
}

; FUNC-LABEL: {{^}}system_acq_rel
; GCN:        BB#0
; GCN-NOT:    ATOMIC_FENCE
; GCN:        s_waitcnt vmcnt(0){{$}}
; GFX6:       buffer_wbinvl1{{$}}
; GFX8:       buffer_wbinvl1_vol{{$}}
; GCN:        s_endpgm
define amdgpu_kernel void @system_acq_rel() {
entry:
  fence acq_rel
  ret void
}

; FUNC-LABEL: {{^}}system_seq_cst
; GCN:        BB#0
; GCN-NOT:    ATOMIC_FENCE
; GCN:        s_waitcnt vmcnt(0){{$}}
; GFX6:       buffer_wbinvl1{{$}}
; GFX8:       buffer_wbinvl1_vol{{$}}
; GCN:        s_endpgm
define amdgpu_kernel void @system_seq_cst() {
entry:
  fence seq_cst
  ret void
}

; FUNC-LABEL: {{^}}singlethread_acquire
; GCN:        BB#0
; GCN-NOT:    ATOMIC_FENCE
; GCN:        s_endpgm
define amdgpu_kernel void @singlethread_acquire() {
entry:
  fence syncscope("singlethread") acquire
  ret void
}

; FUNC-LABEL: {{^}}singlethread_release
; GCN:        BB#0
; GCN-NOT:    ATOMIC_FENCE
; GCN:        s_endpgm
define amdgpu_kernel void @singlethread_release() {
entry:
  fence syncscope("singlethread") release
  ret void
}

; FUNC-LABEL: {{^}}singlethread_acq_rel
; GCN:        BB#0
; GCN-NOT:    ATOMIC_FENCE
; GCN:        s_endpgm
define amdgpu_kernel void @singlethread_acq_rel() {
entry:
  fence syncscope("singlethread") acq_rel
  ret void
}

; FUNC-LABEL: {{^}}singlethread_seq_cst
; GCN:        BB#0
; GCN-NOT:    ATOMIC_FENCE
; GCN:        s_endpgm
define amdgpu_kernel void @singlethread_seq_cst() {
entry:
  fence syncscope("singlethread") seq_cst
  ret void
}

; FUNC-LABEL: {{^}}agent_acquire
; GCN:        BB#0
; GCN-NOT:    ATOMIC_FENCE
; GFX6:       s_waitcnt vmcnt(0){{$}}
; GFX6-NEXT:  buffer_wbinvl1{{$}}
; GFX8:       s_waitcnt vmcnt(0){{$}}
; GFX8-NEXT:  buffer_wbinvl1_vol{{$}}
; GCN:        s_endpgm
define amdgpu_kernel void @agent_acquire() {
entry:
  fence syncscope("agent") acquire
  ret void
}

; FUNC-LABEL: {{^}}agent_release
; GCN:        BB#0
; GCN-NOT:    ATOMIC_FENCE
; GCN:        s_waitcnt vmcnt(0){{$}}
; GCN:        s_endpgm
define amdgpu_kernel void @agent_release() {
entry:
  fence syncscope("agent") release
  ret void
}

; FUNC-LABEL: {{^}}agent_acq_rel
; GCN:        BB#0
; GCN-NOT:    ATOMIC_FENCE
; GCN:        s_waitcnt vmcnt(0){{$}}
; GFX6:       buffer_wbinvl1{{$}}
; GFX8:       buffer_wbinvl1_vol{{$}}
; GCN:        s_endpgm
define amdgpu_kernel void @agent_acq_rel() {
entry:
  fence syncscope("agent") acq_rel
  ret void
}

; FUNC-LABEL: {{^}}agent_seq_cst
; GCN:        BB#0
; GCN-NOT:    ATOMIC_FENCE
; GCN:        s_waitcnt vmcnt(0){{$}}
; GFX6:       buffer_wbinvl1{{$}}
; GFX8:       buffer_wbinvl1_vol{{$}}
; GCN:        s_endpgm
define amdgpu_kernel void @agent_seq_cst() {
entry:
  fence syncscope("agent") seq_cst
  ret void
}

; FUNC-LABEL: {{^}}workgroup_acquire
; GCN:        BB#0
; GCN-NOT:    ATOMIC_FENCE
; GCN:        s_endpgm
define amdgpu_kernel void @workgroup_acquire() {
entry:
  fence syncscope("workgroup") acquire
  ret void
}

; FUNC-LABEL: {{^}}workgroup_release
; GCN:        BB#0
; GCN-NOT:    ATOMIC_FENCE
; GCN:        s_endpgm
define amdgpu_kernel void @workgroup_release() {
entry:
  fence syncscope("workgroup") release
  ret void
}

; FUNC-LABEL: {{^}}workgroup_acq_rel
; GCN:        BB#0
; GCN-NOT:    ATOMIC_FENCE
; GCN:        s_endpgm
define amdgpu_kernel void @workgroup_acq_rel() {
entry:
  fence syncscope("workgroup") acq_rel
  ret void
}

; FUNC-LABEL: {{^}}workgroup_seq_cst
; GCN:        BB#0
; GCN-NOT:    ATOMIC_FENCE
; GCN:        s_endpgm
define amdgpu_kernel void @workgroup_seq_cst() {
entry:
  fence syncscope("workgroup") seq_cst
  ret void
}

; FUNC-LABEL: {{^}}wavefront_acquire
; GCN:        BB#0
; GCN-NOT:    ATOMIC_FENCE
; GCN:        s_endpgm
define amdgpu_kernel void @wavefront_acquire() {
entry:
  fence syncscope("wavefront") acquire
  ret void
}

; FUNC-LABEL: {{^}}wavefront_release
; GCN:        BB#0
; GCN-NOT:    ATOMIC_FENCE
; GCN:        s_endpgm
define amdgpu_kernel void @wavefront_release() {
entry:
  fence syncscope("wavefront") release
  ret void
}

; FUNC-LABEL: {{^}}wavefront_acq_rel
; GCN:        BB#0
; GCN-NOT:    ATOMIC_FENCE
; GCN:        s_endpgm
define amdgpu_kernel void @wavefront_acq_rel() {
entry:
  fence syncscope("wavefront") acq_rel
  ret void
}

; FUNC-LABEL: {{^}}wavefront_seq_cst
; GCN:        BB#0
; GCN-NOT:    ATOMIC_FENCE
; GCN:        s_endpgm
define amdgpu_kernel void @wavefront_seq_cst() {
entry:
  fence syncscope("wavefront") seq_cst
  ret void
}