1 // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --function-signature --include-generated-funcs --replace-function-regex "__omp_offloading_[0-9a-z]+_[0-9a-z]+"
2 // Test target codegen - host bc file has to be created first.
3 // RUN: %clang_cc1 -verify -fopenmp -fopenmp-cuda-mode -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm-bc %s -o %t-ppc-host.bc
4 // RUN: %clang_cc1 -verify -fopenmp -fopenmp-cuda-mode -x c++ -triple nvptx64-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host.bc -o - -disable-llvm-optzns | FileCheck %s --check-prefix CHECK1
5 // RUN: %clang_cc1 -verify -fopenmp -fopenmp-cuda-mode -x c++ -triple i386-unknown-unknown -fopenmp-targets=nvptx-nvidia-cuda -emit-llvm-bc %s -o %t-x86-host.bc
6 // RUN: %clang_cc1 -verify -fopenmp -fopenmp-cuda-mode -x c++ -triple nvptx-unknown-unknown -fopenmp-targets=nvptx-nvidia-cuda -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-x86-host.bc -o - -disable-llvm-optzns | FileCheck %s --check-prefix CHECK2
7 // RUN: %clang_cc1 -verify -fopenmp -fopenmp-cuda-mode -fexceptions -fcxx-exceptions -x c++ -triple nvptx-unknown-unknown -fopenmp-targets=nvptx-nvidia-cuda -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-x86-host.bc -o - -disable-llvm-optzns | FileCheck %s --check-prefix CHECK3
8 
9 // expected-no-diagnostics
10 #ifndef HEADER
11 #define HEADER
12 
13 void work();
14 
15 void use() {
16       #pragma omp parallel
17       work();
18 }
19 
20 int main() {
21       #pragma omp target parallel
22       {  use(); }
23         #pragma omp target
24         {  use(); }
25 }
26 
27 #endif
28 // CHECK1-LABEL: define {{[^@]+}}@{{__omp_offloading_[0-9a-z]+_[0-9a-z]+}}_main_l21
29 // CHECK1-SAME: () #[[ATTR0:[0-9]+]] {
30 // CHECK1-NEXT:  entry:
31 // CHECK1-NEXT:    [[CAPTURED_VARS_ADDRS:%.*]] = alloca [0 x i8*], align 8
32 // CHECK1-NEXT:    [[NVPTX_NUM_THREADS:%.*]] = call i32 @llvm.nvvm.read.ptx.sreg.ntid.x()
33 // CHECK1-NEXT:    call void @__kmpc_spmd_kernel_init(i32 [[NVPTX_NUM_THREADS]], i16 1)
34 // CHECK1-NEXT:    call void @__kmpc_data_sharing_init_stack_spmd()
35 // CHECK1-NEXT:    br label [[DOTEXECUTE:%.*]]
36 // CHECK1:       .execute:
37 // CHECK1-NEXT:    [[TMP0:%.*]] = call i32 @__kmpc_global_thread_num(%struct.ident_t* @[[GLOB1:[0-9]+]])
38 // CHECK1-NEXT:    [[TMP1:%.*]] = bitcast [0 x i8*]* [[CAPTURED_VARS_ADDRS]] to i8**
39 // CHECK1-NEXT:    call void @__kmpc_parallel_51(%struct.ident_t* @[[GLOB1]], i32 [[TMP0]], i32 1, i32 -1, i32 -1, i8* bitcast (void (i32*, i32*)* @__omp_outlined__ to i8*), i8* null, i8** [[TMP1]], i64 0)
40 // CHECK1-NEXT:    br label [[DOTOMP_DEINIT:%.*]]
41 // CHECK1:       .omp.deinit:
42 // CHECK1-NEXT:    call void @__kmpc_spmd_kernel_deinit_v2(i16 1)
43 // CHECK1-NEXT:    br label [[DOTEXIT:%.*]]
44 // CHECK1:       .exit:
45 // CHECK1-NEXT:    ret void
46 //
47 //
48 // CHECK1-LABEL: define {{[^@]+}}@__omp_outlined__
49 // CHECK1-SAME: (i32* noalias [[DOTGLOBAL_TID_:%.*]], i32* noalias [[DOTBOUND_TID_:%.*]]) #[[ATTR0]] {
50 // CHECK1-NEXT:  entry:
51 // CHECK1-NEXT:    [[DOTGLOBAL_TID__ADDR:%.*]] = alloca i32*, align 8
52 // CHECK1-NEXT:    [[DOTBOUND_TID__ADDR:%.*]] = alloca i32*, align 8
53 // CHECK1-NEXT:    store i32* [[DOTGLOBAL_TID_]], i32** [[DOTGLOBAL_TID__ADDR]], align 8
54 // CHECK1-NEXT:    store i32* [[DOTBOUND_TID_]], i32** [[DOTBOUND_TID__ADDR]], align 8
55 // CHECK1-NEXT:    call void @_Z3usev() #[[ATTR7:[0-9]+]]
56 // CHECK1-NEXT:    ret void
57 //
58 //
59 // CHECK1-LABEL: define {{[^@]+}}@_Z3usev
60 // CHECK1-SAME: () #[[ATTR2:[0-9]+]] {
61 // CHECK1-NEXT:  entry:
62 // CHECK1-NEXT:    [[CAPTURED_VARS_ADDRS:%.*]] = alloca [0 x i8*], align 8
63 // CHECK1-NEXT:    [[TMP0:%.*]] = call i32 @__kmpc_global_thread_num(%struct.ident_t* @[[GLOB1]])
64 // CHECK1-NEXT:    [[TMP1:%.*]] = bitcast [0 x i8*]* [[CAPTURED_VARS_ADDRS]] to i8**
65 // CHECK1-NEXT:    call void @__kmpc_parallel_51(%struct.ident_t* @[[GLOB1]], i32 [[TMP0]], i32 1, i32 -1, i32 -1, i8* bitcast (void (i32*, i32*)* @__omp_outlined__1 to i8*), i8* null, i8** [[TMP1]], i64 0)
66 // CHECK1-NEXT:    ret void
67 //
68 //
69 // CHECK1-LABEL: define {{[^@]+}}@__omp_outlined__1
70 // CHECK1-SAME: (i32* noalias [[DOTGLOBAL_TID_:%.*]], i32* noalias [[DOTBOUND_TID_:%.*]]) #[[ATTR0]] {
71 // CHECK1-NEXT:  entry:
72 // CHECK1-NEXT:    [[DOTGLOBAL_TID__ADDR:%.*]] = alloca i32*, align 8
73 // CHECK1-NEXT:    [[DOTBOUND_TID__ADDR:%.*]] = alloca i32*, align 8
74 // CHECK1-NEXT:    store i32* [[DOTGLOBAL_TID_]], i32** [[DOTGLOBAL_TID__ADDR]], align 8
75 // CHECK1-NEXT:    store i32* [[DOTBOUND_TID_]], i32** [[DOTBOUND_TID__ADDR]], align 8
76 // CHECK1-NEXT:    call void @_Z4workv() #[[ATTR7]]
77 // CHECK1-NEXT:    ret void
78 //
79 //
80 // CHECK1-LABEL: define {{[^@]+}}@{{__omp_offloading_[0-9a-z]+_[0-9a-z]+}}_main_l23_worker
81 // CHECK1-SAME: () #[[ATTR5:[0-9]+]] {
82 // CHECK1-NEXT:  entry:
83 // CHECK1-NEXT:    [[WORK_FN:%.*]] = alloca i8*, align 8
84 // CHECK1-NEXT:    [[EXEC_STATUS:%.*]] = alloca i8, align 1
85 // CHECK1-NEXT:    store i8* null, i8** [[WORK_FN]], align 8
86 // CHECK1-NEXT:    store i8 0, i8* [[EXEC_STATUS]], align 1
87 // CHECK1-NEXT:    br label [[DOTAWAIT_WORK:%.*]]
88 // CHECK1:       .await.work:
89 // CHECK1-NEXT:    call void @__kmpc_barrier_simple_spmd(%struct.ident_t* null, i32 0)
90 // CHECK1-NEXT:    [[TMP0:%.*]] = call i1 @__kmpc_kernel_parallel(i8** [[WORK_FN]])
91 // CHECK1-NEXT:    [[TMP1:%.*]] = zext i1 [[TMP0]] to i8
92 // CHECK1-NEXT:    store i8 [[TMP1]], i8* [[EXEC_STATUS]], align 1
93 // CHECK1-NEXT:    [[TMP2:%.*]] = load i8*, i8** [[WORK_FN]], align 8
94 // CHECK1-NEXT:    [[SHOULD_TERMINATE:%.*]] = icmp eq i8* [[TMP2]], null
95 // CHECK1-NEXT:    br i1 [[SHOULD_TERMINATE]], label [[DOTEXIT:%.*]], label [[DOTSELECT_WORKERS:%.*]]
96 // CHECK1:       .select.workers:
97 // CHECK1-NEXT:    [[TMP3:%.*]] = load i8, i8* [[EXEC_STATUS]], align 1
98 // CHECK1-NEXT:    [[IS_ACTIVE:%.*]] = icmp ne i8 [[TMP3]], 0
99 // CHECK1-NEXT:    br i1 [[IS_ACTIVE]], label [[DOTEXECUTE_PARALLEL:%.*]], label [[DOTBARRIER_PARALLEL:%.*]]
100 // CHECK1:       .execute.parallel:
101 // CHECK1-NEXT:    [[TMP4:%.*]] = call i32 @__kmpc_global_thread_num(%struct.ident_t* @[[GLOB2:[0-9]+]])
102 // CHECK1-NEXT:    [[TMP5:%.*]] = bitcast i8* [[TMP2]] to void (i16, i32)*
103 // CHECK1-NEXT:    call void [[TMP5]](i16 0, i32 [[TMP4]])
104 // CHECK1-NEXT:    br label [[DOTTERMINATE_PARALLEL:%.*]]
105 // CHECK1:       .terminate.parallel:
106 // CHECK1-NEXT:    call void @__kmpc_kernel_end_parallel()
107 // CHECK1-NEXT:    br label [[DOTBARRIER_PARALLEL]]
108 // CHECK1:       .barrier.parallel:
109 // CHECK1-NEXT:    call void @__kmpc_barrier_simple_spmd(%struct.ident_t* null, i32 0)
110 // CHECK1-NEXT:    br label [[DOTAWAIT_WORK]]
111 // CHECK1:       .exit:
112 // CHECK1-NEXT:    ret void
113 //
114 //
115 // CHECK1-LABEL: define {{[^@]+}}@{{__omp_offloading_[0-9a-z]+_[0-9a-z]+}}_main_l23
116 // CHECK1-SAME: () #[[ATTR0]] {
117 // CHECK1-NEXT:  entry:
118 // CHECK1-NEXT:    [[NVPTX_TID:%.*]] = call i32 @llvm.nvvm.read.ptx.sreg.tid.x()
119 // CHECK1-NEXT:    [[NVPTX_NUM_THREADS:%.*]] = call i32 @llvm.nvvm.read.ptx.sreg.ntid.x()
120 // CHECK1-NEXT:    [[NVPTX_WARP_SIZE:%.*]] = call i32 @llvm.nvvm.read.ptx.sreg.warpsize()
121 // CHECK1-NEXT:    [[THREAD_LIMIT:%.*]] = sub nuw i32 [[NVPTX_NUM_THREADS]], [[NVPTX_WARP_SIZE]]
122 // CHECK1-NEXT:    [[TMP0:%.*]] = icmp ult i32 [[NVPTX_TID]], [[THREAD_LIMIT]]
123 // CHECK1-NEXT:    br i1 [[TMP0]], label [[DOTWORKER:%.*]], label [[DOTMASTERCHECK:%.*]]
124 // CHECK1:       .worker:
125 // CHECK1-NEXT:    call void @{{__omp_offloading_[0-9a-z]+_[0-9a-z]+}}_main_l23_worker() #[[ATTR4:[0-9]+]]
126 // CHECK1-NEXT:    br label [[DOTEXIT:%.*]]
127 // CHECK1:       .mastercheck:
128 // CHECK1-NEXT:    [[NVPTX_TID1:%.*]] = call i32 @llvm.nvvm.read.ptx.sreg.tid.x()
129 // CHECK1-NEXT:    [[NVPTX_NUM_THREADS2:%.*]] = call i32 @llvm.nvvm.read.ptx.sreg.ntid.x()
130 // CHECK1-NEXT:    [[NVPTX_WARP_SIZE3:%.*]] = call i32 @llvm.nvvm.read.ptx.sreg.warpsize()
131 // CHECK1-NEXT:    [[TMP1:%.*]] = sub nuw i32 [[NVPTX_WARP_SIZE3]], 1
132 // CHECK1-NEXT:    [[TMP2:%.*]] = sub nuw i32 [[NVPTX_NUM_THREADS2]], 1
133 // CHECK1-NEXT:    [[TMP3:%.*]] = xor i32 [[TMP1]], -1
134 // CHECK1-NEXT:    [[MASTER_TID:%.*]] = and i32 [[TMP2]], [[TMP3]]
135 // CHECK1-NEXT:    [[TMP4:%.*]] = icmp eq i32 [[NVPTX_TID1]], [[MASTER_TID]]
136 // CHECK1-NEXT:    br i1 [[TMP4]], label [[DOTMASTER:%.*]], label [[DOTEXIT]]
137 // CHECK1:       .master:
138 // CHECK1-NEXT:    [[NVPTX_NUM_THREADS4:%.*]] = call i32 @llvm.nvvm.read.ptx.sreg.ntid.x()
139 // CHECK1-NEXT:    [[NVPTX_WARP_SIZE5:%.*]] = call i32 @llvm.nvvm.read.ptx.sreg.warpsize()
140 // CHECK1-NEXT:    [[THREAD_LIMIT6:%.*]] = sub nuw i32 [[NVPTX_NUM_THREADS4]], [[NVPTX_WARP_SIZE5]]
141 // CHECK1-NEXT:    call void @__kmpc_kernel_init(i32 [[THREAD_LIMIT6]], i16 1)
142 // CHECK1-NEXT:    call void @__kmpc_data_sharing_init_stack()
143 // CHECK1-NEXT:    call void @_Z3usev() #[[ATTR7]]
144 // CHECK1-NEXT:    br label [[DOTTERMINATION_NOTIFIER:%.*]]
145 // CHECK1:       .termination.notifier:
146 // CHECK1-NEXT:    call void @__kmpc_kernel_deinit(i16 1)
147 // CHECK1-NEXT:    call void @__kmpc_barrier_simple_spmd(%struct.ident_t* null, i32 0)
148 // CHECK1-NEXT:    br label [[DOTEXIT]]
149 // CHECK1:       .exit:
150 // CHECK1-NEXT:    ret void
151 //
152 //
153 // CHECK2-LABEL: define {{[^@]+}}@{{__omp_offloading_[0-9a-z]+_[0-9a-z]+}}_main_l21
154 // CHECK2-SAME: () #[[ATTR0:[0-9]+]] {
155 // CHECK2-NEXT:  entry:
156 // CHECK2-NEXT:    [[CAPTURED_VARS_ADDRS:%.*]] = alloca [0 x i8*], align 4
157 // CHECK2-NEXT:    [[NVPTX_NUM_THREADS:%.*]] = call i32 @llvm.nvvm.read.ptx.sreg.ntid.x()
158 // CHECK2-NEXT:    call void @__kmpc_spmd_kernel_init(i32 [[NVPTX_NUM_THREADS]], i16 1)
159 // CHECK2-NEXT:    call void @__kmpc_data_sharing_init_stack_spmd()
160 // CHECK2-NEXT:    br label [[DOTEXECUTE:%.*]]
161 // CHECK2:       .execute:
162 // CHECK2-NEXT:    [[TMP0:%.*]] = call i32 @__kmpc_global_thread_num(%struct.ident_t* @[[GLOB1:[0-9]+]])
163 // CHECK2-NEXT:    [[TMP1:%.*]] = bitcast [0 x i8*]* [[CAPTURED_VARS_ADDRS]] to i8**
164 // CHECK2-NEXT:    call void @__kmpc_parallel_51(%struct.ident_t* @[[GLOB1]], i32 [[TMP0]], i32 1, i32 -1, i32 -1, i8* bitcast (void (i32*, i32*)* @__omp_outlined__ to i8*), i8* null, i8** [[TMP1]], i32 0)
165 // CHECK2-NEXT:    br label [[DOTOMP_DEINIT:%.*]]
166 // CHECK2:       .omp.deinit:
167 // CHECK2-NEXT:    call void @__kmpc_spmd_kernel_deinit_v2(i16 1)
168 // CHECK2-NEXT:    br label [[DOTEXIT:%.*]]
169 // CHECK2:       .exit:
170 // CHECK2-NEXT:    ret void
171 //
172 //
173 // CHECK2-LABEL: define {{[^@]+}}@__omp_outlined__
174 // CHECK2-SAME: (i32* noalias [[DOTGLOBAL_TID_:%.*]], i32* noalias [[DOTBOUND_TID_:%.*]]) #[[ATTR0]] {
175 // CHECK2-NEXT:  entry:
176 // CHECK2-NEXT:    [[DOTGLOBAL_TID__ADDR:%.*]] = alloca i32*, align 4
177 // CHECK2-NEXT:    [[DOTBOUND_TID__ADDR:%.*]] = alloca i32*, align 4
178 // CHECK2-NEXT:    store i32* [[DOTGLOBAL_TID_]], i32** [[DOTGLOBAL_TID__ADDR]], align 4
179 // CHECK2-NEXT:    store i32* [[DOTBOUND_TID_]], i32** [[DOTBOUND_TID__ADDR]], align 4
180 // CHECK2-NEXT:    call void @_Z3usev() #[[ATTR7:[0-9]+]]
181 // CHECK2-NEXT:    ret void
182 //
183 //
184 // CHECK2-LABEL: define {{[^@]+}}@_Z3usev
185 // CHECK2-SAME: () #[[ATTR2:[0-9]+]] {
186 // CHECK2-NEXT:  entry:
187 // CHECK2-NEXT:    [[CAPTURED_VARS_ADDRS:%.*]] = alloca [0 x i8*], align 4
188 // CHECK2-NEXT:    [[TMP0:%.*]] = call i32 @__kmpc_global_thread_num(%struct.ident_t* @[[GLOB1]])
189 // CHECK2-NEXT:    [[TMP1:%.*]] = bitcast [0 x i8*]* [[CAPTURED_VARS_ADDRS]] to i8**
190 // CHECK2-NEXT:    call void @__kmpc_parallel_51(%struct.ident_t* @[[GLOB1]], i32 [[TMP0]], i32 1, i32 -1, i32 -1, i8* bitcast (void (i32*, i32*)* @__omp_outlined__1 to i8*), i8* null, i8** [[TMP1]], i32 0)
191 // CHECK2-NEXT:    ret void
192 //
193 //
194 // CHECK2-LABEL: define {{[^@]+}}@__omp_outlined__1
195 // CHECK2-SAME: (i32* noalias [[DOTGLOBAL_TID_:%.*]], i32* noalias [[DOTBOUND_TID_:%.*]]) #[[ATTR0]] {
196 // CHECK2-NEXT:  entry:
197 // CHECK2-NEXT:    [[DOTGLOBAL_TID__ADDR:%.*]] = alloca i32*, align 4
198 // CHECK2-NEXT:    [[DOTBOUND_TID__ADDR:%.*]] = alloca i32*, align 4
199 // CHECK2-NEXT:    store i32* [[DOTGLOBAL_TID_]], i32** [[DOTGLOBAL_TID__ADDR]], align 4
200 // CHECK2-NEXT:    store i32* [[DOTBOUND_TID_]], i32** [[DOTBOUND_TID__ADDR]], align 4
201 // CHECK2-NEXT:    call void @_Z4workv() #[[ATTR7]]
202 // CHECK2-NEXT:    ret void
203 //
204 //
205 // CHECK2-LABEL: define {{[^@]+}}@{{__omp_offloading_[0-9a-z]+_[0-9a-z]+}}_main_l23_worker
206 // CHECK2-SAME: () #[[ATTR5:[0-9]+]] {
207 // CHECK2-NEXT:  entry:
208 // CHECK2-NEXT:    [[WORK_FN:%.*]] = alloca i8*, align 4
209 // CHECK2-NEXT:    [[EXEC_STATUS:%.*]] = alloca i8, align 1
210 // CHECK2-NEXT:    store i8* null, i8** [[WORK_FN]], align 4
211 // CHECK2-NEXT:    store i8 0, i8* [[EXEC_STATUS]], align 1
212 // CHECK2-NEXT:    br label [[DOTAWAIT_WORK:%.*]]
213 // CHECK2:       .await.work:
214 // CHECK2-NEXT:    call void @__kmpc_barrier_simple_spmd(%struct.ident_t* null, i32 0)
215 // CHECK2-NEXT:    [[TMP0:%.*]] = call i1 @__kmpc_kernel_parallel(i8** [[WORK_FN]])
216 // CHECK2-NEXT:    [[TMP1:%.*]] = zext i1 [[TMP0]] to i8
217 // CHECK2-NEXT:    store i8 [[TMP1]], i8* [[EXEC_STATUS]], align 1
218 // CHECK2-NEXT:    [[TMP2:%.*]] = load i8*, i8** [[WORK_FN]], align 4
219 // CHECK2-NEXT:    [[SHOULD_TERMINATE:%.*]] = icmp eq i8* [[TMP2]], null
220 // CHECK2-NEXT:    br i1 [[SHOULD_TERMINATE]], label [[DOTEXIT:%.*]], label [[DOTSELECT_WORKERS:%.*]]
221 // CHECK2:       .select.workers:
222 // CHECK2-NEXT:    [[TMP3:%.*]] = load i8, i8* [[EXEC_STATUS]], align 1
223 // CHECK2-NEXT:    [[IS_ACTIVE:%.*]] = icmp ne i8 [[TMP3]], 0
224 // CHECK2-NEXT:    br i1 [[IS_ACTIVE]], label [[DOTEXECUTE_PARALLEL:%.*]], label [[DOTBARRIER_PARALLEL:%.*]]
225 // CHECK2:       .execute.parallel:
226 // CHECK2-NEXT:    [[TMP4:%.*]] = call i32 @__kmpc_global_thread_num(%struct.ident_t* @[[GLOB2:[0-9]+]])
227 // CHECK2-NEXT:    [[TMP5:%.*]] = bitcast i8* [[TMP2]] to void (i16, i32)*
228 // CHECK2-NEXT:    call void [[TMP5]](i16 0, i32 [[TMP4]])
229 // CHECK2-NEXT:    br label [[DOTTERMINATE_PARALLEL:%.*]]
230 // CHECK2:       .terminate.parallel:
231 // CHECK2-NEXT:    call void @__kmpc_kernel_end_parallel()
232 // CHECK2-NEXT:    br label [[DOTBARRIER_PARALLEL]]
233 // CHECK2:       .barrier.parallel:
234 // CHECK2-NEXT:    call void @__kmpc_barrier_simple_spmd(%struct.ident_t* null, i32 0)
235 // CHECK2-NEXT:    br label [[DOTAWAIT_WORK]]
236 // CHECK2:       .exit:
237 // CHECK2-NEXT:    ret void
238 //
239 //
240 // CHECK2-LABEL: define {{[^@]+}}@{{__omp_offloading_[0-9a-z]+_[0-9a-z]+}}_main_l23
241 // CHECK2-SAME: () #[[ATTR0]] {
242 // CHECK2-NEXT:  entry:
243 // CHECK2-NEXT:    [[NVPTX_TID:%.*]] = call i32 @llvm.nvvm.read.ptx.sreg.tid.x()
244 // CHECK2-NEXT:    [[NVPTX_NUM_THREADS:%.*]] = call i32 @llvm.nvvm.read.ptx.sreg.ntid.x()
245 // CHECK2-NEXT:    [[NVPTX_WARP_SIZE:%.*]] = call i32 @llvm.nvvm.read.ptx.sreg.warpsize()
246 // CHECK2-NEXT:    [[THREAD_LIMIT:%.*]] = sub nuw i32 [[NVPTX_NUM_THREADS]], [[NVPTX_WARP_SIZE]]
247 // CHECK2-NEXT:    [[TMP0:%.*]] = icmp ult i32 [[NVPTX_TID]], [[THREAD_LIMIT]]
248 // CHECK2-NEXT:    br i1 [[TMP0]], label [[DOTWORKER:%.*]], label [[DOTMASTERCHECK:%.*]]
249 // CHECK2:       .worker:
250 // CHECK2-NEXT:    call void @{{__omp_offloading_[0-9a-z]+_[0-9a-z]+}}_main_l23_worker() #[[ATTR4:[0-9]+]]
251 // CHECK2-NEXT:    br label [[DOTEXIT:%.*]]
252 // CHECK2:       .mastercheck:
253 // CHECK2-NEXT:    [[NVPTX_TID1:%.*]] = call i32 @llvm.nvvm.read.ptx.sreg.tid.x()
254 // CHECK2-NEXT:    [[NVPTX_NUM_THREADS2:%.*]] = call i32 @llvm.nvvm.read.ptx.sreg.ntid.x()
255 // CHECK2-NEXT:    [[NVPTX_WARP_SIZE3:%.*]] = call i32 @llvm.nvvm.read.ptx.sreg.warpsize()
256 // CHECK2-NEXT:    [[TMP1:%.*]] = sub nuw i32 [[NVPTX_WARP_SIZE3]], 1
257 // CHECK2-NEXT:    [[TMP2:%.*]] = sub nuw i32 [[NVPTX_NUM_THREADS2]], 1
258 // CHECK2-NEXT:    [[TMP3:%.*]] = xor i32 [[TMP1]], -1
259 // CHECK2-NEXT:    [[MASTER_TID:%.*]] = and i32 [[TMP2]], [[TMP3]]
260 // CHECK2-NEXT:    [[TMP4:%.*]] = icmp eq i32 [[NVPTX_TID1]], [[MASTER_TID]]
261 // CHECK2-NEXT:    br i1 [[TMP4]], label [[DOTMASTER:%.*]], label [[DOTEXIT]]
262 // CHECK2:       .master:
263 // CHECK2-NEXT:    [[NVPTX_NUM_THREADS4:%.*]] = call i32 @llvm.nvvm.read.ptx.sreg.ntid.x()
264 // CHECK2-NEXT:    [[NVPTX_WARP_SIZE5:%.*]] = call i32 @llvm.nvvm.read.ptx.sreg.warpsize()
265 // CHECK2-NEXT:    [[THREAD_LIMIT6:%.*]] = sub nuw i32 [[NVPTX_NUM_THREADS4]], [[NVPTX_WARP_SIZE5]]
266 // CHECK2-NEXT:    call void @__kmpc_kernel_init(i32 [[THREAD_LIMIT6]], i16 1)
267 // CHECK2-NEXT:    call void @__kmpc_data_sharing_init_stack()
268 // CHECK2-NEXT:    call void @_Z3usev() #[[ATTR7]]
269 // CHECK2-NEXT:    br label [[DOTTERMINATION_NOTIFIER:%.*]]
270 // CHECK2:       .termination.notifier:
271 // CHECK2-NEXT:    call void @__kmpc_kernel_deinit(i16 1)
272 // CHECK2-NEXT:    call void @__kmpc_barrier_simple_spmd(%struct.ident_t* null, i32 0)
273 // CHECK2-NEXT:    br label [[DOTEXIT]]
274 // CHECK2:       .exit:
275 // CHECK2-NEXT:    ret void
276 //
277 //
278 // CHECK3-LABEL: define {{[^@]+}}@{{__omp_offloading_[0-9a-z]+_[0-9a-z]+}}_main_l21
279 // CHECK3-SAME: () #[[ATTR0:[0-9]+]] {
280 // CHECK3-NEXT:  entry:
281 // CHECK3-NEXT:    [[CAPTURED_VARS_ADDRS:%.*]] = alloca [0 x i8*], align 4
282 // CHECK3-NEXT:    [[NVPTX_NUM_THREADS:%.*]] = call i32 @llvm.nvvm.read.ptx.sreg.ntid.x()
283 // CHECK3-NEXT:    call void @__kmpc_spmd_kernel_init(i32 [[NVPTX_NUM_THREADS]], i16 1)
284 // CHECK3-NEXT:    call void @__kmpc_data_sharing_init_stack_spmd()
285 // CHECK3-NEXT:    br label [[DOTEXECUTE:%.*]]
286 // CHECK3:       .execute:
287 // CHECK3-NEXT:    [[TMP0:%.*]] = call i32 @__kmpc_global_thread_num(%struct.ident_t* @[[GLOB1:[0-9]+]])
288 // CHECK3-NEXT:    [[TMP1:%.*]] = bitcast [0 x i8*]* [[CAPTURED_VARS_ADDRS]] to i8**
289 // CHECK3-NEXT:    call void @__kmpc_parallel_51(%struct.ident_t* @[[GLOB1]], i32 [[TMP0]], i32 1, i32 -1, i32 -1, i8* bitcast (void (i32*, i32*)* @__omp_outlined__ to i8*), i8* null, i8** [[TMP1]], i32 0)
290 // CHECK3-NEXT:    br label [[DOTOMP_DEINIT:%.*]]
291 // CHECK3:       .omp.deinit:
292 // CHECK3-NEXT:    call void @__kmpc_spmd_kernel_deinit_v2(i16 1)
293 // CHECK3-NEXT:    br label [[DOTEXIT:%.*]]
294 // CHECK3:       .exit:
295 // CHECK3-NEXT:    ret void
296 //
297 //
298 // CHECK3-LABEL: define {{[^@]+}}@__omp_outlined__
299 // CHECK3-SAME: (i32* noalias [[DOTGLOBAL_TID_:%.*]], i32* noalias [[DOTBOUND_TID_:%.*]]) #[[ATTR0]] {
300 // CHECK3-NEXT:  entry:
301 // CHECK3-NEXT:    [[DOTGLOBAL_TID__ADDR:%.*]] = alloca i32*, align 4
302 // CHECK3-NEXT:    [[DOTBOUND_TID__ADDR:%.*]] = alloca i32*, align 4
303 // CHECK3-NEXT:    store i32* [[DOTGLOBAL_TID_]], i32** [[DOTGLOBAL_TID__ADDR]], align 4
304 // CHECK3-NEXT:    store i32* [[DOTBOUND_TID_]], i32** [[DOTBOUND_TID__ADDR]], align 4
305 // CHECK3-NEXT:    call void @_Z3usev() #[[ATTR7:[0-9]+]]
306 // CHECK3-NEXT:    ret void
307 //
308 //
309 // CHECK3-LABEL: define {{[^@]+}}@_Z3usev
310 // CHECK3-SAME: () #[[ATTR2:[0-9]+]] {
311 // CHECK3-NEXT:  entry:
312 // CHECK3-NEXT:    [[CAPTURED_VARS_ADDRS:%.*]] = alloca [0 x i8*], align 4
313 // CHECK3-NEXT:    [[TMP0:%.*]] = call i32 @__kmpc_global_thread_num(%struct.ident_t* @[[GLOB1]])
314 // CHECK3-NEXT:    [[TMP1:%.*]] = bitcast [0 x i8*]* [[CAPTURED_VARS_ADDRS]] to i8**
315 // CHECK3-NEXT:    call void @__kmpc_parallel_51(%struct.ident_t* @[[GLOB1]], i32 [[TMP0]], i32 1, i32 -1, i32 -1, i8* bitcast (void (i32*, i32*)* @__omp_outlined__1 to i8*), i8* null, i8** [[TMP1]], i32 0)
316 // CHECK3-NEXT:    ret void
317 //
318 //
319 // CHECK3-LABEL: define {{[^@]+}}@__omp_outlined__1
320 // CHECK3-SAME: (i32* noalias [[DOTGLOBAL_TID_:%.*]], i32* noalias [[DOTBOUND_TID_:%.*]]) #[[ATTR0]] {
321 // CHECK3-NEXT:  entry:
322 // CHECK3-NEXT:    [[DOTGLOBAL_TID__ADDR:%.*]] = alloca i32*, align 4
323 // CHECK3-NEXT:    [[DOTBOUND_TID__ADDR:%.*]] = alloca i32*, align 4
324 // CHECK3-NEXT:    store i32* [[DOTGLOBAL_TID_]], i32** [[DOTGLOBAL_TID__ADDR]], align 4
325 // CHECK3-NEXT:    store i32* [[DOTBOUND_TID_]], i32** [[DOTBOUND_TID__ADDR]], align 4
326 // CHECK3-NEXT:    call void @_Z4workv() #[[ATTR7]]
327 // CHECK3-NEXT:    ret void
328 //
329 //
330 // CHECK3-LABEL: define {{[^@]+}}@{{__omp_offloading_[0-9a-z]+_[0-9a-z]+}}_main_l23_worker
331 // CHECK3-SAME: () #[[ATTR5:[0-9]+]] {
332 // CHECK3-NEXT:  entry:
333 // CHECK3-NEXT:    [[WORK_FN:%.*]] = alloca i8*, align 4
334 // CHECK3-NEXT:    [[EXEC_STATUS:%.*]] = alloca i8, align 1
335 // CHECK3-NEXT:    store i8* null, i8** [[WORK_FN]], align 4
336 // CHECK3-NEXT:    store i8 0, i8* [[EXEC_STATUS]], align 1
337 // CHECK3-NEXT:    br label [[DOTAWAIT_WORK:%.*]]
338 // CHECK3:       .await.work:
339 // CHECK3-NEXT:    call void @__kmpc_barrier_simple_spmd(%struct.ident_t* null, i32 0)
340 // CHECK3-NEXT:    [[TMP0:%.*]] = call i1 @__kmpc_kernel_parallel(i8** [[WORK_FN]])
341 // CHECK3-NEXT:    [[TMP1:%.*]] = zext i1 [[TMP0]] to i8
342 // CHECK3-NEXT:    store i8 [[TMP1]], i8* [[EXEC_STATUS]], align 1
343 // CHECK3-NEXT:    [[TMP2:%.*]] = load i8*, i8** [[WORK_FN]], align 4
344 // CHECK3-NEXT:    [[SHOULD_TERMINATE:%.*]] = icmp eq i8* [[TMP2]], null
345 // CHECK3-NEXT:    br i1 [[SHOULD_TERMINATE]], label [[DOTEXIT:%.*]], label [[DOTSELECT_WORKERS:%.*]]
346 // CHECK3:       .select.workers:
347 // CHECK3-NEXT:    [[TMP3:%.*]] = load i8, i8* [[EXEC_STATUS]], align 1
348 // CHECK3-NEXT:    [[IS_ACTIVE:%.*]] = icmp ne i8 [[TMP3]], 0
349 // CHECK3-NEXT:    br i1 [[IS_ACTIVE]], label [[DOTEXECUTE_PARALLEL:%.*]], label [[DOTBARRIER_PARALLEL:%.*]]
350 // CHECK3:       .execute.parallel:
351 // CHECK3-NEXT:    [[TMP4:%.*]] = call i32 @__kmpc_global_thread_num(%struct.ident_t* @[[GLOB2:[0-9]+]])
352 // CHECK3-NEXT:    [[TMP5:%.*]] = bitcast i8* [[TMP2]] to void (i16, i32)*
353 // CHECK3-NEXT:    call void [[TMP5]](i16 0, i32 [[TMP4]])
354 // CHECK3-NEXT:    br label [[DOTTERMINATE_PARALLEL:%.*]]
355 // CHECK3:       .terminate.parallel:
356 // CHECK3-NEXT:    call void @__kmpc_kernel_end_parallel()
357 // CHECK3-NEXT:    br label [[DOTBARRIER_PARALLEL]]
358 // CHECK3:       .barrier.parallel:
359 // CHECK3-NEXT:    call void @__kmpc_barrier_simple_spmd(%struct.ident_t* null, i32 0)
360 // CHECK3-NEXT:    br label [[DOTAWAIT_WORK]]
361 // CHECK3:       .exit:
362 // CHECK3-NEXT:    ret void
363 //
364 //
365 // CHECK3-LABEL: define {{[^@]+}}@{{__omp_offloading_[0-9a-z]+_[0-9a-z]+}}_main_l23
366 // CHECK3-SAME: () #[[ATTR0]] {
367 // CHECK3-NEXT:  entry:
368 // CHECK3-NEXT:    [[NVPTX_TID:%.*]] = call i32 @llvm.nvvm.read.ptx.sreg.tid.x()
369 // CHECK3-NEXT:    [[NVPTX_NUM_THREADS:%.*]] = call i32 @llvm.nvvm.read.ptx.sreg.ntid.x()
370 // CHECK3-NEXT:    [[NVPTX_WARP_SIZE:%.*]] = call i32 @llvm.nvvm.read.ptx.sreg.warpsize()
371 // CHECK3-NEXT:    [[THREAD_LIMIT:%.*]] = sub nuw i32 [[NVPTX_NUM_THREADS]], [[NVPTX_WARP_SIZE]]
372 // CHECK3-NEXT:    [[TMP0:%.*]] = icmp ult i32 [[NVPTX_TID]], [[THREAD_LIMIT]]
373 // CHECK3-NEXT:    br i1 [[TMP0]], label [[DOTWORKER:%.*]], label [[DOTMASTERCHECK:%.*]]
374 // CHECK3:       .worker:
375 // CHECK3-NEXT:    call void @{{__omp_offloading_[0-9a-z]+_[0-9a-z]+}}_main_l23_worker() #[[ATTR4:[0-9]+]]
376 // CHECK3-NEXT:    br label [[DOTEXIT:%.*]]
377 // CHECK3:       .mastercheck:
378 // CHECK3-NEXT:    [[NVPTX_TID1:%.*]] = call i32 @llvm.nvvm.read.ptx.sreg.tid.x()
379 // CHECK3-NEXT:    [[NVPTX_NUM_THREADS2:%.*]] = call i32 @llvm.nvvm.read.ptx.sreg.ntid.x()
380 // CHECK3-NEXT:    [[NVPTX_WARP_SIZE3:%.*]] = call i32 @llvm.nvvm.read.ptx.sreg.warpsize()
381 // CHECK3-NEXT:    [[TMP1:%.*]] = sub nuw i32 [[NVPTX_WARP_SIZE3]], 1
382 // CHECK3-NEXT:    [[TMP2:%.*]] = sub nuw i32 [[NVPTX_NUM_THREADS2]], 1
383 // CHECK3-NEXT:    [[TMP3:%.*]] = xor i32 [[TMP1]], -1
384 // CHECK3-NEXT:    [[MASTER_TID:%.*]] = and i32 [[TMP2]], [[TMP3]]
385 // CHECK3-NEXT:    [[TMP4:%.*]] = icmp eq i32 [[NVPTX_TID1]], [[MASTER_TID]]
386 // CHECK3-NEXT:    br i1 [[TMP4]], label [[DOTMASTER:%.*]], label [[DOTEXIT]]
387 // CHECK3:       .master:
388 // CHECK3-NEXT:    [[NVPTX_NUM_THREADS4:%.*]] = call i32 @llvm.nvvm.read.ptx.sreg.ntid.x()
389 // CHECK3-NEXT:    [[NVPTX_WARP_SIZE5:%.*]] = call i32 @llvm.nvvm.read.ptx.sreg.warpsize()
390 // CHECK3-NEXT:    [[THREAD_LIMIT6:%.*]] = sub nuw i32 [[NVPTX_NUM_THREADS4]], [[NVPTX_WARP_SIZE5]]
391 // CHECK3-NEXT:    call void @__kmpc_kernel_init(i32 [[THREAD_LIMIT6]], i16 1)
392 // CHECK3-NEXT:    call void @__kmpc_data_sharing_init_stack()
393 // CHECK3-NEXT:    call void @_Z3usev() #[[ATTR7]]
394 // CHECK3-NEXT:    br label [[DOTTERMINATION_NOTIFIER:%.*]]
395 // CHECK3:       .termination.notifier:
396 // CHECK3-NEXT:    call void @__kmpc_kernel_deinit(i16 1)
397 // CHECK3-NEXT:    call void @__kmpc_barrier_simple_spmd(%struct.ident_t* null, i32 0)
398 // CHECK3-NEXT:    br label [[DOTEXIT]]
399 // CHECK3:       .exit:
400 // CHECK3-NEXT:    ret void
401 //
402