llvm/llvm/test/CodeGen/AMDGPU/waitcnt-flat.ll

; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=kaveri < %s | FileCheck -enable-var-scope -check-prefix=GCN %s
; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=fiji -mattr=-flat-for-global < %s | FileCheck -enable-var-scope -check-prefix=GCN %s
; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=gfx900 < %s | FileCheck -enable-var-scope -check-prefixes=GCN,GFX9 %s

; If flat_store_dword and flat_load_dword use different registers for the data
; operand, this test is not broken.  It just means it is no longer testing
; for the original bug.

; GCN: {{^}}test:
; XGCN: flat_store_dword v[{{[0-9]+:[0-9]+}}], [[DATA:v[0-9]+]]
; XGCN: s_waitcnt vmcnt(0) lgkmcnt(0)
; XGCN: flat_load_dword [[DATA]], v[{{[0-9]+:[0-9]+}}]
define amdgpu_kernel void @test(ptr %out, i32 %in) {
  store volatile i32 0, ptr %out
  %val = load volatile i32, ptr %out
  ret void
}

; Make sure lgkmcnt isn't used for global_ addrspace(5)* instructions
; GCN-LABEL: {{^}}test_waitcnt_type_flat_global:
; GFX9: global_load_dword [[LD:v[0-9]+]]
; GFX9-NEXT: s_waitcnt vmcnt(0){{$}}
; GFX9-NEXT: ds_write_b32 [[LD]]
define amdgpu_kernel void @test_waitcnt_type_flat_global(ptr addrspace(1) %in) {
  %val = load volatile i32, ptr addrspace(1) %in
  store volatile i32 %val, ptr addrspace(3) undef
  ret void
}