xref: /llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.workitem.id.ll (revision b1bcb7ca460fcd317bbc8309e14c8761bf8394e0)
1; RUN: sed 's/CODE_OBJECT_VERSION/400/g' %s | opt -S -mtriple=amdgcn-amd-amdhsa -passes=amdgpu-attributor -o %t.v4.ll
2; RUN: sed 's/CODE_OBJECT_VERSION/600/g' %s | opt -S -mtriple=amdgcn-amd-amdhsa -passes=amdgpu-attributor -o %t.v6.ll
3; RUN: llc -global-isel -mtriple=amdgcn-unknown-amdhsa -verify-machineinstrs < %t.v4.ll | FileCheck --check-prefixes=ALL,HSA,UNPACKED %s
4; RUN: llc -global-isel -mtriple=amdgcn-unknown-amdhsa -verify-machineinstrs < %t.v4.ll | FileCheck --check-prefixes=ALL,HSA,UNPACKED %s
5; RUN: llc -global-isel -mtriple=amdgcn-- -mcpu=hawaii -mattr=+flat-for-global -verify-machineinstrs < %t.v4.ll | FileCheck --check-prefixes=ALL,MESA,UNPACKED %s
6; RUN: llc -global-isel -mtriple=amdgcn-- -mcpu=tonga -mattr=+flat-for-global -verify-machineinstrs < %t.v4.ll | FileCheck --check-prefixes=ALL,MESA,UNPACKED %s
7; RUN: llc -global-isel -mtriple=amdgcn-unknown-mesa3d -mattr=+flat-for-global -mcpu=hawaii -verify-machineinstrs < %t.v4.ll | FileCheck -check-prefixes=ALL,MESA3D,UNPACKED %s
8; RUN: llc -global-isel -mtriple=amdgcn-unknown-mesa3d -mcpu=tonga -verify-machineinstrs < %t.v4.ll | FileCheck -check-prefixes=ALL,MESA3D,UNPACKED %s
9; RUN: llc -global-isel -mtriple=amdgcn-unknown-amdhsa -mcpu=gfx90a -verify-machineinstrs < %t.v4.ll | FileCheck -check-prefixes=ALL,PACKED-TID %s
10; RUN: llc -global-isel -mtriple=amdgcn-unknown-amdhsa -mcpu=gfx1100 -verify-machineinstrs -amdgpu-enable-vopd=0 < %t.v4.ll | FileCheck -check-prefixes=ALL,PACKED-TID %s
11; RUN: llc -global-isel -mtriple=amdgcn-unknown-amdhsa --amdhsa-code-object-version=6 -mcpu=gfx11-generic -verify-machineinstrs -amdgpu-enable-vopd=0 < %t.v6.ll | FileCheck -check-prefixes=ALL,PACKED-TID %s
12
13declare i32 @llvm.amdgcn.workitem.id.x() #0
14declare i32 @llvm.amdgcn.workitem.id.y() #0
15declare i32 @llvm.amdgcn.workitem.id.z() #0
16
17; MESA: .section .AMDGPU.config
18; MESA: .long 47180
19; MESA-NEXT: .long 132{{$}}
20
21; ALL-LABEL: {{^}}test_workitem_id_x:
22; MESA3D: enable_vgpr_workitem_id = 0
23
24; ALL-NOT: v0
25; ALL: {{buffer|flat|global}}_store_{{dword|b32}} {{.*}}v0
26
27; PACKED-TID: .amdhsa_system_vgpr_workitem_id 0
28define amdgpu_kernel void @test_workitem_id_x(ptr addrspace(1) %out) #1 {
29  %id = call i32 @llvm.amdgcn.workitem.id.x()
30  store i32 %id, ptr addrspace(1) %out
31  ret void
32}
33
34; MESA: .section .AMDGPU.config
35; MESA: .long 47180
36; MESA-NEXT: .long 2180{{$}}
37
38; ALL-LABEL: {{^}}test_workitem_id_y:
39; MESA3D: enable_vgpr_workitem_id = 1
40; MESA3D-NOT: v1
41; MESA3D: {{buffer|flat}}_store_dword {{.*}}v1
42
43; PACKED-TID: v_bfe_u32 [[ID:v[0-9]+]], v0, 10, 10
44; PACKED-TID: {{buffer|flat|global}}_store_{{dword|b32}} {{.*}}[[ID]]
45; PACKED-TID: .amdhsa_system_vgpr_workitem_id 1
46define amdgpu_kernel void @test_workitem_id_y(ptr addrspace(1) %out) #1 {
47  %id = call i32 @llvm.amdgcn.workitem.id.y()
48  store i32 %id, ptr addrspace(1) %out
49  ret void
50}
51
52; MESA: .section .AMDGPU.config
53; MESA: .long 47180
54; MESA-NEXT: .long 4228{{$}}
55
56; ALL-LABEL: {{^}}test_workitem_id_z:
57; MESA3D: enable_vgpr_workitem_id = 2
58; MESA3D-NOT: v2
59; MESA3D: {{buffer|flat}}_store_dword {{.*}}v2
60
61; PACKED-TID: v_bfe_u32 [[ID:v[0-9]+]], v0, 20, 10
62; PACKED-TID: {{buffer|flat|global}}_store_{{dword|b32}} {{.*}}[[ID]]
63; PACKED-TID: .amdhsa_system_vgpr_workitem_id 2
64define amdgpu_kernel void @test_workitem_id_z(ptr addrspace(1) %out) #1 {
65  %id = call i32 @llvm.amdgcn.workitem.id.z()
66  store i32 %id, ptr addrspace(1) %out
67  ret void
68}
69
70; ALL-LABEL: {{^}}test_workitem_id_x_usex2:
71; ALL-NOT: v0
72; ALL: {{flat|global}}_store_{{dword|b32}} v{{.*}}, v0
73; ALL-NOT: v0
74; ALL: {{flat|global}}_store_{{dword|b32}} v{{.*}}, v0
75define amdgpu_kernel void @test_workitem_id_x_usex2(ptr addrspace(1) %out) #1 {
76  %id0 = call i32 @llvm.amdgcn.workitem.id.x()
77  store volatile i32 %id0, ptr addrspace(1) %out
78
79  %id1 = call i32 @llvm.amdgcn.workitem.id.x()
80  store volatile i32 %id1, ptr addrspace(1) %out
81  ret void
82}
83
84; ALL-LABEL: {{^}}test_workitem_id_x_use_outside_entry:
85; ALL-NOT: v0
86; ALL: {{flat|global}}_store_{{dword|b32}}
87; ALL-NOT: v0
88; ALL: {{flat|global}}_store_{{dword|b32}} v{{.*}}, v0
89define amdgpu_kernel void @test_workitem_id_x_use_outside_entry(ptr addrspace(1) %out, i32 %arg) #1 {
90bb0:
91  store volatile i32 0, ptr addrspace(1) %out
92  %cond = icmp eq i32 %arg, 0
93  br i1 %cond, label %bb1, label %bb2
94
95bb1:
96  %id = call i32 @llvm.amdgcn.workitem.id.x()
97  store volatile i32 %id, ptr addrspace(1) %out
98  br label %bb2
99
100bb2:
101  ret void
102}
103
104; ALL-LABEL: {{^}}test_workitem_id_x_func:
105; ALL: s_waitcnt
106; HSA-NEXT: v_and_b32_e32 v2, 0x3ff, v31
107; MESA-NEXT: v_and_b32_e32 v2, 0x3ff, v31
108define void @test_workitem_id_x_func(ptr addrspace(1) %out) #1 {
109  %id = call i32 @llvm.amdgcn.workitem.id.x()
110  store i32 %id, ptr addrspace(1) %out
111  ret void
112}
113
114; ALL-LABEL: {{^}}test_workitem_id_y_func:
115; HSA: v_bfe_u32 v2, v31, 10, 10
116; MESA: v_bfe_u32 v2, v31, 10, 10
117define void @test_workitem_id_y_func(ptr addrspace(1) %out) #1 {
118  %id = call i32 @llvm.amdgcn.workitem.id.y()
119  store i32 %id, ptr addrspace(1) %out
120  ret void
121}
122
123; ALL-LABEL: {{^}}test_workitem_id_z_func:
124; HSA: v_bfe_u32 v2, v31, 20, 10
125; MESA: v_bfe_u32 v2, v31, 20, 10
126define void @test_workitem_id_z_func(ptr addrspace(1) %out) #1 {
127  %id = call i32 @llvm.amdgcn.workitem.id.z()
128  store i32 %id, ptr addrspace(1) %out
129  ret void
130}
131
132; FIXME: Should be able to avoid enabling in kernel inputs
133; FIXME: Packed tid should avoid the and
134; ALL-LABEL: {{^}}test_reqd_workgroup_size_x_only:
135; MESA3D: enable_vgpr_workitem_id = 0
136
137; ALL-DAG: v_mov_b32_e32 [[ZERO:v[0-9]+]], 0{{$}}
138; UNPACKED-DAG: flat_store_dword v{{\[[0-9]+:[0-9]+\]}}, v0
139
140; PACKED: v_and_b32_e32 [[MASKED:v[0-9]+]], 0x3ff, v0
141; PACKED: flat_store_dword v{{\[[0-9]+:[0-9]+\]}}, [[MASKED]]
142
143; ALL: flat_store_{{dword|b32}} v{{\[[0-9]+:[0-9]+\]}}, [[ZERO]]
144; ALL: flat_store_{{dword|b32}} v{{\[[0-9]+:[0-9]+\]}}, [[ZERO]]
145define amdgpu_kernel void @test_reqd_workgroup_size_x_only(ptr %out) !reqd_work_group_size !0 {
146  %id.x = call i32 @llvm.amdgcn.workitem.id.x()
147  %id.y = call i32 @llvm.amdgcn.workitem.id.y()
148  %id.z = call i32 @llvm.amdgcn.workitem.id.z()
149  store volatile i32 %id.x, ptr %out
150  store volatile i32 %id.y, ptr %out
151  store volatile i32 %id.z, ptr %out
152  ret void
153}
154
155; ALL-LABEL: {{^}}test_reqd_workgroup_size_y_only:
156; MESA3D: enable_vgpr_workitem_id = 1
157
158; ALL: v_mov_b32_e32 [[ZERO:v[0-9]+]], 0{{$}}
159; ALL: flat_store_{{dword|b32}} v{{\[[0-9]+:[0-9]+\]}}, [[ZERO]]
160
161; UNPACKED: flat_store_dword v{{\[[0-9]+:[0-9]+\]}}, v1
162
163; PACKED: v_bfe_u32 [[MASKED:v[0-9]+]], v0, 10, 10
164; PACKED: flat_store_dword v{{\[[0-9]+:[0-9]+\]}}, [[MASKED]]
165
166; ALL: flat_store_{{dword|b32}} v{{\[[0-9]+:[0-9]+\]}}, [[ZERO]]
167define amdgpu_kernel void @test_reqd_workgroup_size_y_only(ptr %out) !reqd_work_group_size !1 {
168  %id.x = call i32 @llvm.amdgcn.workitem.id.x()
169  %id.y = call i32 @llvm.amdgcn.workitem.id.y()
170  %id.z = call i32 @llvm.amdgcn.workitem.id.z()
171  store volatile i32 %id.x, ptr %out
172  store volatile i32 %id.y, ptr %out
173  store volatile i32 %id.z, ptr %out
174  ret void
175}
176
177; ALL-LABEL: {{^}}test_reqd_workgroup_size_z_only:
178; MESA3D: enable_vgpr_workitem_id = 2
179
180; ALL: v_mov_b32_e32 [[ZERO:v[0-9]+]], 0{{$}}
181; ALL: flat_store_{{dword|b32}} v{{\[[0-9]+:[0-9]+\]}}, [[ZERO]]
182; ALL: flat_store_{{dword|b32}} v{{\[[0-9]+:[0-9]+\]}}, [[ZERO]]
183
184; UNPACKED: flat_store_dword v{{\[[0-9]+:[0-9]+\]}}, v2
185
186; PACKED: v_bfe_u32 [[MASKED:v[0-9]+]], v0, 10, 20
187; PACKED: flat_store_dword v{{\[[0-9]+:[0-9]+\]}}, [[MASKED]]
188define amdgpu_kernel void @test_reqd_workgroup_size_z_only(ptr %out) !reqd_work_group_size !2 {
189  %id.x = call i32 @llvm.amdgcn.workitem.id.x()
190  %id.y = call i32 @llvm.amdgcn.workitem.id.y()
191  %id.z = call i32 @llvm.amdgcn.workitem.id.z()
192  store volatile i32 %id.x, ptr %out
193  store volatile i32 %id.y, ptr %out
194  store volatile i32 %id.z, ptr %out
195  ret void
196}
197
198attributes #0 = { nounwind readnone }
199attributes #1 = { nounwind }
200
201!0 = !{i32 64, i32 1, i32 1}
202!1 = !{i32 1, i32 64, i32 1}
203!2 = !{i32 1, i32 1, i32 64}
204
205!llvm.module.flags = !{!99}
206!99 = !{i32 1, !"amdhsa_code_object_version", i32 CODE_OBJECT_VERSION}
207