atomic_load_add.ll
2.02 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
; RUN: llc -march=amdgcn -amdgpu-atomic-optimizations=false -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,SICIVI,FUNC %s
; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -amdgpu-atomic-optimizations=false -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,SICIVI,FUNC %s
; RUN: llc -march=amdgcn -mcpu=gfx900 -amdgpu-atomic-optimizations=false -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,GFX9,FUNC %s
; RUN: llc -march=r600 -mcpu=redwood -amdgpu-atomic-optimizations=false < %s | FileCheck -check-prefixes=R600,FUNC %s
; FUNC-LABEL: {{^}}atomic_add_local:
; SICIVI: s_mov_b32 m0
; GFX9-NOT: m0
; R600: LDS_ADD *
; GCN: ds_add_u32
define amdgpu_kernel void @atomic_add_local(i32 addrspace(3)* %local) {
%unused = atomicrmw volatile add i32 addrspace(3)* %local, i32 5 seq_cst
ret void
}
; FUNC-LABEL: {{^}}atomic_add_local_const_offset:
; SICIVI: s_mov_b32 m0
; GFX9-NOT: m0
; R600: LDS_ADD *
; GCN: ds_add_u32 v{{[0-9]+}}, v{{[0-9]+}} offset:16
define amdgpu_kernel void @atomic_add_local_const_offset(i32 addrspace(3)* %local) {
%gep = getelementptr i32, i32 addrspace(3)* %local, i32 4
%val = atomicrmw volatile add i32 addrspace(3)* %gep, i32 5 seq_cst
ret void
}
; FUNC-LABEL: {{^}}atomic_add_ret_local:
; SICIVI: s_mov_b32 m0
; GFX9-NOT: m0
; R600: LDS_ADD_RET *
; GCN: ds_add_rtn_u32
define amdgpu_kernel void @atomic_add_ret_local(i32 addrspace(1)* %out, i32 addrspace(3)* %local) {
%val = atomicrmw volatile add i32 addrspace(3)* %local, i32 5 seq_cst
store i32 %val, i32 addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}atomic_add_ret_local_const_offset:
; SICIVI: s_mov_b32 m0
; GFX9-NOT: m0
; R600: LDS_ADD_RET *
; GCN: ds_add_rtn_u32 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}} offset:20
define amdgpu_kernel void @atomic_add_ret_local_const_offset(i32 addrspace(1)* %out, i32 addrspace(3)* %local) {
%gep = getelementptr i32, i32 addrspace(3)* %local, i32 5
%val = atomicrmw volatile add i32 addrspace(3)* %gep, i32 5 seq_cst
store i32 %val, i32 addrspace(1)* %out
ret void
}