1 // RUN: %clang_cc1 -verify -fopenmp -x c++ -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck %s
2 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-apple-darwin10 -emit-pch -o %t %s
3 // RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-apple-darwin10 -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
4 // RUN: %clang_cc1 -verify -fopenmp -x c++ -std=c++11 -DLAMBDA -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck -check-prefix=LAMBDA %s
5 // RUN: %clang_cc1 -verify -fopenmp -x c++ -fblocks -DBLOCKS -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck -check-prefix=BLOCKS %s
6 // RUN: %clang_cc1 -verify -fopenmp -x c++ -std=c++11 -DARRAY -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck -check-prefix=ARRAY %s
7 // expected-no-diagnostics
8 // REQUIRES: x86-registered-target
9 // It doesn't pass on win32. Investigating.
10 // REQUIRES: shell
11 
12 #ifndef ARRAY
13 #ifndef HEADER
14 #define HEADER
15 
16 template <class T>
17 struct S {
18   T f;
19   S(T a) : f(a) {}
20   S() : f() {}
21   operator T() { return T(); }
22   ~S() {}
23 };
24 
25 volatile double g;
26 
27 // CHECK-DAG: [[KMP_TASK_T_TY:%.+]] = type { i8*, i32 (i32, i8*)*, i32, i32 (i32, i8*)*, i64, i64, i64, i32 }
28 // CHECK-DAG: [[S_DOUBLE_TY:%.+]] = type { double }
29 // CHECK-DAG: [[CAP_MAIN_TY:%.+]] = type { i8 }
30 // CHECK-DAG: [[PRIVATES_MAIN_TY:%.+]] = type {{.?}}{ [2 x [[S_DOUBLE_TY]]], [[S_DOUBLE_TY]], i32, [2 x i32]
31 // CHECK-DAG: [[KMP_TASK_MAIN_TY:%.+]] = type { [[KMP_TASK_T_TY]], [[PRIVATES_MAIN_TY]] }
32 // CHECK-DAG: [[S_INT_TY:%.+]] = type { i32 }
33 // CHECK-DAG: [[CAP_TMAIN_TY:%.+]] = type { i8 }
34 // CHECK-DAG: [[PRIVATES_TMAIN_TY:%.+]] = type { i32, [2 x i32], [2 x [[S_INT_TY]]], [[S_INT_TY]], [104 x i8] }
35 // CHECK-DAG: [[KMP_TASK_TMAIN_TY:%.+]] = type { [[KMP_TASK_T_TY]], [{{[0-9]+}} x i8], [[PRIVATES_TMAIN_TY]] }
36 template <typename T>
37 T tmain() {
38   S<T> test;
39   T t_var __attribute__((aligned(128))) = T();
40   T vec[] = {1, 2};
41   S<T> s_arr[] = {1, 2};
42   S<T> var(3);
43 #pragma omp taskloop simd private(t_var, vec, s_arr, s_arr, var, var)
44   for (int i = 0; i < 10; ++i) {
45     vec[0] = t_var;
46     s_arr[0] = var;
47   }
48   return T();
49 }
50 
51 int main() {
52   static int sivar;
53 #ifdef LAMBDA
54   // LAMBDA: [[G:@.+]] = global double
55   // LAMBDA-LABEL: @main
56   // LAMBDA: call{{( x86_thiscallcc)?}} void [[OUTER_LAMBDA:@.+]](
57   [&]() {
58   // LAMBDA: define{{.*}} internal{{.*}} void [[OUTER_LAMBDA]](
59   // LAMBDA: [[RES:%.+]] = call i8* @__kmpc_omp_task_alloc(%{{[^ ]+}} @{{[^,]+}}, i32 %{{[^,]+}}, i32 1, i64 80, i64 1, i32 (i32, i8*)* bitcast (i32 (i32, %{{[^*]+}}*)* [[TASK_ENTRY:@[^ ]+]] to i32 (i32, i8*)*))
60 // LAMBDA: [[PRIVATES:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* %{{.+}}, i{{.+}} 0, i{{.+}} 1
61 // LAMBDA: call void @__kmpc_taskloop(%{{.+}}* @{{.+}}, i32 %{{.+}}, i8* [[RES]], i32 1, i64* %{{.+}}, i64* %{{.+}}, i64 %{{.+}}, i32 0, i32 0, i64 0, i8* null)
62 // LAMBDA: ret
63 #pragma omp taskloop simd private(g, sivar)
64   for (int i = 0; i < 10; ++i) {
65     // LAMBDA: define {{.+}} void [[INNER_LAMBDA:@.+]](%{{.+}}* [[ARG_PTR:%.+]])
66     // LAMBDA: store %{{.+}}* [[ARG_PTR]], %{{.+}}** [[ARG_PTR_REF:%.+]],
67     // LAMBDA: [[ARG_PTR:%.+]] = load %{{.+}}*, %{{.+}}** [[ARG_PTR_REF]]
68     // LAMBDA: [[G_PTR_REF:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* [[ARG_PTR]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
69     // LAMBDA: [[G_REF:%.+]] = load double*, double** [[G_PTR_REF]]
70     // LAMBDA: store double 2.0{{.+}}, double* [[G_REF]]
71     // LAMBDA: [[SIVAR_PTR_REF:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* [[ARG_PTR]], i{{[0-9]+}} 0, i{{[0-9]+}} 1
72     // LAMBDA: [[SIVAR_REF:%.+]] = load i{{[0-9]+}}*, i{{[0-9]+}}** [[SIVAR_PTR_REF]]
73     // LAMBDA: store i{{[0-9]+}} 3, i{{[0-9]+}}* [[SIVAR_REF]]
74 
75     // LAMBDA: define internal i32 [[TASK_ENTRY]](i32, %{{.+}}* noalias)
76     g = 1;
77     sivar = 2;
78     // LAMBDA: store double 1.0{{.+}}, double* %{{.+}},
79     // LAMBDA: store i{{[0-9]+}} 2, i{{[0-9]+}}* %{{.+}},
80     // LAMBDA: call void [[INNER_LAMBDA]](%
81     // LAMBDA: ret
82     [&]() {
83       g = 2;
84       sivar = 3;
85     }();
86   }
87   }();
88   return 0;
89 #elif defined(BLOCKS)
90   // BLOCKS: [[G:@.+]] = global double
91   // BLOCKS-LABEL: @main
92   // BLOCKS: call void {{%.+}}(i8
93   ^{
94   // BLOCKS: define{{.*}} internal{{.*}} void {{.+}}(i8*
95   // BLOCKS: [[RES:%.+]] = call i8* @__kmpc_omp_task_alloc(%{{[^ ]+}} @{{[^,]+}}, i32 %{{[^,]+}}, i32 1, i64 80, i64 1, i32 (i32, i8*)* bitcast (i32 (i32, %{{[^*]+}}*)* [[TASK_ENTRY:@[^ ]+]] to i32 (i32, i8*)*))
96   // BLOCKS: [[PRIVATES:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* %{{.+}}, i{{.+}} 0, i{{.+}} 1
97   // BLOCKS: call void @__kmpc_taskloop(%{{.+}}* @{{.+}}, i32 %{{.+}}, i8* [[RES]], i32 1, i64* %{{.+}}, i64* %{{.+}}, i64 %{{.+}}, i32 0, i32 0, i64 0, i8* null)
98   // BLOCKS: ret
99 #pragma omp taskloop simd private(g, sivar)
100   for (int i = 0; i < 10; ++i) {
101     // BLOCKS: define {{.+}} void {{@.+}}(i8*
102     // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
103     // BLOCKS: store double 2.0{{.+}}, double*
104     // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
105     // BLOCKS-NOT: [[SIVAR]]{{[[^:word:]]}}
106     // BLOCKS: store i{{[0-9]+}} 4, i{{[0-9]+}}*
107     // BLOCKS-NOT: [[SIVAR]]{{[[^:word:]]}}
108     // BLOCKS: ret
109 
110     // BLOCKS: define internal i32 [[TASK_ENTRY]](i32, %{{.+}}* noalias)
111     g = 1;
112     sivar = 3;
113     // BLOCKS: store double 1.0{{.+}}, double* %{{.+}},
114     // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
115     // BLOCKS: store i{{[0-9]+}} 3, i{{[0-9]+}}* %{{.+}},
116     // BLOCKS-NOT: [[SIVAR]]{{[[^:word:]]}}
117     // BLOCKS: call void {{%.+}}(i8
118     ^{
119       g = 2;
120       sivar = 4;
121     }();
122   }
123   }();
124   return 0;
125 #else
126   S<double> test;
127   int t_var = 0;
128   int vec[] = {1, 2};
129   S<double> s_arr[] = {1, 2};
130   S<double> var(3);
131 #pragma omp taskloop simd private(var, t_var, s_arr, vec, s_arr, var, sivar)
132   for (int i = 0; i < 10; ++i) {
133     vec[0] = t_var;
134     s_arr[0] = var;
135     sivar = 8;
136   }
137 #pragma omp task
138   g+=1;
139   return tmain<int>();
140 #endif
141 }
142 
143 // CHECK: define i{{[0-9]+}} @main()
144 // CHECK: [[TEST:%.+]] = alloca [[S_DOUBLE_TY]],
145 // CHECK: [[T_VAR_ADDR:%.+]] = alloca i32,
146 // CHECK: [[VEC_ADDR:%.+]] = alloca [2 x i32],
147 // CHECK: [[S_ARR_ADDR:%.+]] = alloca [2 x [[S_DOUBLE_TY]]],
148 // CHECK: [[VAR_ADDR:%.+]] = alloca [[S_DOUBLE_TY]],
149 // CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[LOC:%.+]])
150 
151 // CHECK: call {{.*}} [[S_DOUBLE_TY_DEF_CONSTR:@.+]]([[S_DOUBLE_TY]]* [[TEST]])
152 
153 // Do not store original variables in capture struct.
154 // CHECK-NOT: getelementptr inbounds [[CAP_MAIN_TY]],
155 
156 // Allocate task.
157 // Returns struct kmp_task_t {
158 //         [[KMP_TASK_T_TY]] task_data;
159 //         [[KMP_TASK_MAIN_TY]] privates;
160 //       };
161 // CHECK: [[RES:%.+]] = call i8* @__kmpc_omp_task_alloc([[LOC]], i32 [[GTID]], i32 9, i64 104, i64 1, i32 (i32, i8*)* bitcast (i32 (i32, [[KMP_TASK_MAIN_TY]]*)* [[TASK_ENTRY:@[^ ]+]] to i32 (i32, i8*)*))
162 // CHECK: [[RES_KMP_TASK:%.+]] = bitcast i8* [[RES]] to [[KMP_TASK_MAIN_TY]]*
163 
164 // CHECK: [[TASK:%.+]] = getelementptr inbounds [[KMP_TASK_MAIN_TY]], [[KMP_TASK_MAIN_TY]]* [[RES_KMP_TASK]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
165 // Initialize kmp_task_t->privates with default values (no init for simple types, default constructors for classes).
166 // Also copy address of private copy to the corresponding shareds reference.
167 // CHECK: [[PRIVATES:%.+]] = getelementptr inbounds [[KMP_TASK_MAIN_TY]], [[KMP_TASK_MAIN_TY]]* [[RES_KMP_TASK]], i{{[0-9]+}} 0, i{{[0-9]+}} 1
168 
169 // Constructors for s_arr and var.
170 // a_arr;
171 // CHECK: [[PRIVATE_S_ARR_REF:%.+]] = getelementptr inbounds [[PRIVATES_MAIN_TY]], [[PRIVATES_MAIN_TY]]* [[PRIVATES]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
172 // CHECK: getelementptr inbounds [2 x [[S_DOUBLE_TY]]], [2 x [[S_DOUBLE_TY]]]* [[PRIVATE_S_ARR_REF]], i{{.+}} 0, i{{.+}} 0
173 // CHECK: getelementptr inbounds [[S_DOUBLE_TY]], [[S_DOUBLE_TY]]* %{{.+}}, i{{.+}} 2
174 // CHECK: call void [[S_DOUBLE_TY_DEF_CONSTR]]([[S_DOUBLE_TY]]* [[S_ARR_CUR:%.+]])
175 // CHECK: getelementptr inbounds [[S_DOUBLE_TY]], [[S_DOUBLE_TY]]* [[S_ARR_CUR]], i{{.+}} 1
176 // CHECK: icmp eq
177 // CHECK: br i1
178 
179 // var;
180 // CHECK: [[PRIVATE_VAR_REF:%.+]] = getelementptr inbounds [[PRIVATES_MAIN_TY]], [[PRIVATES_MAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 1
181 // CHECK: call void [[S_DOUBLE_TY_DEF_CONSTR]]([[S_DOUBLE_TY]]* [[PRIVATE_VAR_REF:%.+]])
182 
183 // Provide pointer to destructor function, which will destroy private variables at the end of the task.
184 // CHECK: [[DESTRUCTORS_REF:%.+]] = getelementptr inbounds [[KMP_TASK_T_TY]], [[KMP_TASK_T_TY]]* [[TASK]], i{{.+}} 0, i{{.+}} 3
185 // CHECK: store i32 (i32, i8*)* bitcast (i32 (i32, [[KMP_TASK_MAIN_TY]]*)* [[DESTRUCTORS:@.+]] to i32 (i32, i8*)*), i32 (i32, i8*)** [[DESTRUCTORS_REF]],
186 
187 // Start task.
188 // CHECK: call void @__kmpc_taskloop([[LOC]], i32 [[GTID]], i8* [[RES]], i32 1, i64* %{{.+}}, i64* %{{.+}}, i64 %{{.+}}, i32 0, i32 0, i64 0, i8* bitcast (void ([[KMP_TASK_MAIN_TY]]*, [[KMP_TASK_MAIN_TY]]*, i32)* [[MAIN_DUP:@.+]] to i8*))
189 // CHECK: call i32 @__kmpc_omp_task([[LOC]], i32 [[GTID]], i8*
190 
191 // CHECK: = call i{{.+}} [[TMAIN_INT:@.+]]()
192 
193 // No destructors must be called for private copies of s_arr and var.
194 // CHECK-NOT: getelementptr inbounds [[PRIVATES_MAIN_TY]], [[PRIVATES_MAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 2
195 // CHECK-NOT: getelementptr inbounds [[PRIVATES_MAIN_TY]], [[PRIVATES_MAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 3
196 // CHECK: call void [[S_DOUBLE_TY_DESTR:@.+]]([[S_DOUBLE_TY]]*
197 // CHECK-NOT: getelementptr inbounds [[PRIVATES_MAIN_TY]], [[PRIVATES_MAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 2
198 // CHECK-NOT: getelementptr inbounds [[PRIVATES_MAIN_TY]], [[PRIVATES_MAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 3
199 // CHECK: ret
200 //
201 
202 // CHECK: define internal void [[PRIVATES_MAP_FN:@.+]]([[PRIVATES_MAIN_TY]]* noalias, [[S_DOUBLE_TY]]** noalias, i32** noalias, [2 x [[S_DOUBLE_TY]]]** noalias, [2 x i32]** noalias, i32** noalias)
203 // CHECK: [[PRIVATES:%.+]] = load [[PRIVATES_MAIN_TY]]*, [[PRIVATES_MAIN_TY]]**
204 // CHECK: [[PRIV_S_VAR:%.+]] = getelementptr inbounds [[PRIVATES_MAIN_TY]], [[PRIVATES_MAIN_TY]]* [[PRIVATES]], i32 0, i32 0
205 // CHECK: [[ARG3:%.+]] = load [2 x [[S_DOUBLE_TY]]]**, [2 x [[S_DOUBLE_TY]]]*** %{{.+}},
206 // CHECK: store [2 x [[S_DOUBLE_TY]]]* [[PRIV_S_VAR]], [2 x [[S_DOUBLE_TY]]]** [[ARG3]],
207 // CHECK: [[PRIV_VAR:%.+]] = getelementptr inbounds [[PRIVATES_MAIN_TY]], [[PRIVATES_MAIN_TY]]* [[PRIVATES]], i32 0, i32 1
208 // CHECK: [[ARG1:%.+]] = load [[S_DOUBLE_TY]]**, [[S_DOUBLE_TY]]*** {{.+}},
209 // CHECK: store [[S_DOUBLE_TY]]* [[PRIV_VAR]], [[S_DOUBLE_TY]]** [[ARG1]],
210 // CHECK: [[PRIV_T_VAR:%.+]] = getelementptr inbounds [[PRIVATES_MAIN_TY]], [[PRIVATES_MAIN_TY]]* [[PRIVATES]], i32 0, i32 2
211 // CHECK: [[ARG2:%.+]] = load i32**, i32*** %{{.+}},
212 // CHECK: store i32* [[PRIV_T_VAR]], i32** [[ARG2]],
213 // CHECK: [[PRIV_VEC:%.+]] = getelementptr inbounds [[PRIVATES_MAIN_TY]], [[PRIVATES_MAIN_TY]]* [[PRIVATES]], i32 0, i32 3
214 // CHECK: [[ARG4:%.+]] = load [2 x i32]**, [2 x i32]*** %{{.+}},
215 // CHECK: store [2 x i32]* [[PRIV_VEC]], [2 x i32]** [[ARG4]],
216 // CHECK: ret void
217 
218 // CHECK: define internal i32 [[TASK_ENTRY]](i32, [[KMP_TASK_MAIN_TY]]* noalias)
219 
220 // CHECK: [[PRIV_VAR_ADDR:%.+]] = alloca [[S_DOUBLE_TY]]*,
221 // CHECK: [[PRIV_T_VAR_ADDR:%.+]] = alloca i32*,
222 // CHECK: [[PRIV_S_ARR_ADDR:%.+]] = alloca [2 x [[S_DOUBLE_TY]]]*,
223 // CHECK: [[PRIV_VEC_ADDR:%.+]] = alloca [2 x i32]*,
224 // CHECK: [[PRIV_SIVAR_ADDR:%.+]] = alloca i32*,
225 // CHECK: store void (i8*, ...)* bitcast (void ([[PRIVATES_MAIN_TY]]*, [[S_DOUBLE_TY]]**, i32**, [2 x [[S_DOUBLE_TY]]]**, [2 x i32]**, i32**)* [[PRIVATES_MAP_FN]] to void (i8*, ...)*), void (i8*, ...)** [[MAP_FN_ADDR:%.+]],
226 // CHECK: [[MAP_FN:%.+]] = load void (i8*, ...)*, void (i8*, ...)** [[MAP_FN_ADDR]],
227 // CHECK: call void (i8*, ...) [[MAP_FN]](i8* %{{.+}}, [[S_DOUBLE_TY]]** [[PRIV_VAR_ADDR]], i32** [[PRIV_T_VAR_ADDR]], [2 x [[S_DOUBLE_TY]]]** [[PRIV_S_ARR_ADDR]], [2 x i32]** [[PRIV_VEC_ADDR]], i32** [[PRIV_SIVAR_ADDR]])
228 // CHECK: [[PRIV_VAR:%.+]] = load [[S_DOUBLE_TY]]*, [[S_DOUBLE_TY]]** [[PRIV_VAR_ADDR]],
229 // CHECK: [[PRIV_T_VAR:%.+]] = load i32*, i32** [[PRIV_T_VAR_ADDR]],
230 // CHECK: [[PRIV_S_ARR:%.+]] = load [2 x [[S_DOUBLE_TY]]]*, [2 x [[S_DOUBLE_TY]]]** [[PRIV_S_ARR_ADDR]],
231 // CHECK: [[PRIV_VEC:%.+]] = load [2 x i32]*, [2 x i32]** [[PRIV_VEC_ADDR]],
232 // CHECK: [[PRIV_SIVAR:%.+]] = load i32*, i32** [[PRIV_SIVAR_ADDR]],
233 
234 // Privates actually are used.
235 // CHECK-DAG: [[PRIV_VAR]]
236 // CHECK-DAG: [[PRIV_T_VAR]]
237 // CHECK-DAG: [[PRIV_S_ARR]]
238 // CHECK-DAG: [[PRIV_VEC]]
239 // CHECK_DAG: [[PRIV_SIVAR]]
240 
241 // CHECK: ret
242 
243 // CHECK: define internal void [[MAIN_DUP]]([[KMP_TASK_MAIN_TY]]*, [[KMP_TASK_MAIN_TY]]*, i32)
244 // CHECK: getelementptr inbounds [[KMP_TASK_MAIN_TY]], [[KMP_TASK_MAIN_TY]]* %{{.+}}, i32 0, i32 1
245 // CHECK: getelementptr inbounds [[PRIVATES_MAIN_TY]], [[PRIVATES_MAIN_TY]]* %{{.+}}, i32 0, i32 0
246 // CHECK: getelementptr inbounds [2 x [[S_DOUBLE_TY]]], [2 x [[S_DOUBLE_TY]]]* %{{.+}}, i32 0, i32 0
247 // CHECK: getelementptr inbounds [[S_DOUBLE_TY]], [[S_DOUBLE_TY]]* %{{.+}}, i64 2
248 // CHECK: br label %
249 
250 // CHECK: phi [[S_DOUBLE_TY]]*
251 // CHECK: call {{.*}} [[S_DOUBLE_TY_DEF_CONSTR]]([[S_DOUBLE_TY]]*
252 // CHECK: getelementptr inbounds [[S_DOUBLE_TY]], [[S_DOUBLE_TY]]* %{{.+}}, i64 1
253 // CHECK: icmp eq [[S_DOUBLE_TY]]* %
254 // CHECK: br i1 %
255 
256 // CHECK: getelementptr inbounds [[PRIVATES_MAIN_TY]], [[PRIVATES_MAIN_TY]]* %{{.+}}, i32 0, i32 1
257 // CHECK: call {{.*}} [[S_DOUBLE_TY_DEF_CONSTR]]([[S_DOUBLE_TY]]*
258 // CHECK: ret void
259 
260 // CHECK: define internal i32 [[DESTRUCTORS]](i32, [[KMP_TASK_MAIN_TY]]* noalias)
261 // CHECK: [[PRIVATES:%.+]] = getelementptr inbounds [[KMP_TASK_MAIN_TY]], [[KMP_TASK_MAIN_TY]]* [[RES_KMP_TASK:%.+]], i{{[0-9]+}} 0, i{{[0-9]+}} 1
262 // CHECK: [[PRIVATE_S_ARR_REF:%.+]] = getelementptr inbounds [[PRIVATES_MAIN_TY]], [[PRIVATES_MAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 0
263 // CHECK: [[PRIVATE_VAR_REF:%.+]] = getelementptr inbounds [[PRIVATES_MAIN_TY]], [[PRIVATES_MAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 1
264 // CHECK: call void [[S_DOUBLE_TY_DESTR]]([[S_DOUBLE_TY]]* [[PRIVATE_VAR_REF]])
265 // CHECK: getelementptr inbounds [2 x [[S_DOUBLE_TY]]], [2 x [[S_DOUBLE_TY]]]* [[PRIVATE_S_ARR_REF]], i{{.+}} 0, i{{.+}} 0
266 // CHECK: getelementptr inbounds [[S_DOUBLE_TY]], [[S_DOUBLE_TY]]* %{{.+}}, i{{.+}} 2
267 // CHECK: [[PRIVATE_S_ARR_ELEM_REF:%.+]] = getelementptr inbounds [[S_DOUBLE_TY]], [[S_DOUBLE_TY]]* %{{.+}}, i{{.+}} -1
268 // CHECK: call void [[S_DOUBLE_TY_DESTR]]([[S_DOUBLE_TY]]* [[PRIVATE_S_ARR_ELEM_REF]])
269 // CHECK: icmp eq
270 // CHECK: br i1
271 // CHECK: ret i32
272 
273 // CHECK: define {{.*}} i{{[0-9]+}} [[TMAIN_INT]]()
274 // CHECK: [[TEST:%.+]] = alloca [[S_INT_TY]],
275 // CHECK: [[T_VAR_ADDR:%.+]] = alloca i32,
276 // CHECK: [[VEC_ADDR:%.+]] = alloca [2 x i32],
277 // CHECK: [[S_ARR_ADDR:%.+]] = alloca [2 x [[S_INT_TY]]],
278 // CHECK: [[VAR_ADDR:%.+]] = alloca [[S_INT_TY]],
279 // CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[LOC:%.+]])
280 
281 // CHECK: call {{.*}} [[S_INT_TY_DEF_CONSTR:@.+]]([[S_INT_TY]]* [[TEST]])
282 
283 // Do not store original variables in capture struct.
284 // CHECK-NOT: getelementptr inbounds [[CAP_TMAIN_TY]],
285 
286 // Allocate task.
287 // Returns struct kmp_task_t {
288 //         [[KMP_TASK_T_TY]] task_data;
289 //         [[KMP_TASK_TMAIN_TY]] privates;
290 //       };
291 // CHECK: [[RES:%.+]] = call i8* @__kmpc_omp_task_alloc([[LOC]], i32 [[GTID]], i32 9, i64 256, i64 1, i32 (i32, i8*)* bitcast (i32 (i32, [[KMP_TASK_TMAIN_TY]]*)* [[TASK_ENTRY:@[^ ]+]] to i32 (i32, i8*)*))
292 // CHECK: [[RES_KMP_TASK:%.+]] = bitcast i8* [[RES]] to [[KMP_TASK_TMAIN_TY]]*
293 
294 // CHECK: [[TASK:%.+]] = getelementptr inbounds [[KMP_TASK_TMAIN_TY]], [[KMP_TASK_TMAIN_TY]]* [[RES_KMP_TASK]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
295 
296 // Initialize kmp_task_t->privates with default values (no init for simple types, default constructors for classes).
297 // CHECK: [[PRIVATES:%.+]] = getelementptr inbounds [[KMP_TASK_TMAIN_TY]], [[KMP_TASK_TMAIN_TY]]* [[RES_KMP_TASK]], i{{[0-9]+}} 0, i{{[0-9]+}} 2
298 
299 // Constructors for s_arr and var.
300 // a_arr;
301 // CHECK: [[PRIVATE_S_ARR_REF:%.+]] = getelementptr inbounds [[PRIVATES_TMAIN_TY]], [[PRIVATES_TMAIN_TY]]* [[PRIVATES]], i{{[0-9]+}} 0, i{{[0-9]+}} 2
302 // CHECK: getelementptr inbounds [2 x [[S_INT_TY]]], [2 x [[S_INT_TY]]]* [[PRIVATE_S_ARR_REF]], i{{.+}} 0, i{{.+}} 0
303 // CHECK: getelementptr inbounds [[S_INT_TY]], [[S_INT_TY]]* %{{.+}}, i{{.+}} 2
304 // CHECK: call void [[S_INT_TY_DEF_CONSTR]]([[S_INT_TY]]* [[S_ARR_CUR:%.+]])
305 // CHECK: getelementptr inbounds [[S_INT_TY]], [[S_INT_TY]]* [[S_ARR_CUR]], i{{.+}} 1
306 // CHECK: icmp eq
307 // CHECK: br i1
308 
309 // var;
310 // CHECK: [[PRIVATE_VAR_REF:%.+]] = getelementptr inbounds [[PRIVATES_TMAIN_TY]], [[PRIVATES_TMAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 3
311 // CHECK: call void [[S_INT_TY_DEF_CONSTR]]([[S_INT_TY]]* [[PRIVATE_VAR_REF:%.+]])
312 
313 // Provide pointer to destructor function, which will destroy private variables at the end of the task.
314 // CHECK: [[DESTRUCTORS_REF:%.+]] = getelementptr inbounds [[KMP_TASK_T_TY]], [[KMP_TASK_T_TY]]* [[TASK]], i{{.+}} 0, i{{.+}} 3
315 // CHECK: store i32 (i32, i8*)* bitcast (i32 (i32, [[KMP_TASK_TMAIN_TY]]*)* [[DESTRUCTORS:@.+]] to i32 (i32, i8*)*), i32 (i32, i8*)** [[DESTRUCTORS_REF]],
316 
317 // Start task.
318 // CHECK: call void @__kmpc_taskloop([[LOC]], i32 [[GTID]], i8* [[RES]], i32 1, i64* %{{.+}}, i64* %{{.+}}, i64 %{{.+}}, i32 0, i32 0, i64 0, i8* bitcast (void ([[KMP_TASK_TMAIN_TY]]*, [[KMP_TASK_TMAIN_TY]]*, i32)* [[TMAIN_DUP:@.+]] to i8*))
319 
320 // No destructors must be called for private copies of s_arr and var.
321 // CHECK-NOT: getelementptr inbounds [[PRIVATES_TMAIN_TY]], [[PRIVATES_TMAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 2
322 // CHECK-NOT: getelementptr inbounds [[PRIVATES_TMAIN_TY]], [[PRIVATES_TMAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 3
323 // CHECK: call void [[S_INT_TY_DESTR:@.+]]([[S_INT_TY]]*
324 // CHECK-NOT: getelementptr inbounds [[PRIVATES_TMAIN_TY]], [[PRIVATES_TMAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 2
325 // CHECK-NOT: getelementptr inbounds [[PRIVATES_TMAIN_TY]], [[PRIVATES_TMAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 3
326 // CHECK: ret
327 //
328 
329 // CHECK: define internal void [[PRIVATES_MAP_FN:@.+]]([[PRIVATES_TMAIN_TY]]* noalias, i32** noalias, [2 x i32]** noalias, [2 x [[S_INT_TY]]]** noalias, [[S_INT_TY]]** noalias)
330 // CHECK: [[PRIVATES:%.+]] = load [[PRIVATES_TMAIN_TY]]*, [[PRIVATES_TMAIN_TY]]**
331 // CHECK: [[PRIV_T_VAR:%.+]] = getelementptr inbounds [[PRIVATES_TMAIN_TY]], [[PRIVATES_TMAIN_TY]]* [[PRIVATES]], i32 0, i32 0
332 // CHECK: [[ARG1:%.+]] = load i32**, i32*** %{{.+}},
333 // CHECK: store i32* [[PRIV_T_VAR]], i32** [[ARG1]],
334 // CHECK: [[PRIV_VEC:%.+]] = getelementptr inbounds [[PRIVATES_TMAIN_TY]], [[PRIVATES_TMAIN_TY]]* [[PRIVATES]], i32 0, i32 1
335 // CHECK: [[ARG2:%.+]] = load [2 x i32]**, [2 x i32]*** %{{.+}},
336 // CHECK: store [2 x i32]* [[PRIV_VEC]], [2 x i32]** [[ARG2]],
337 // CHECK: [[PRIV_S_VAR:%.+]] = getelementptr inbounds [[PRIVATES_TMAIN_TY]], [[PRIVATES_TMAIN_TY]]* [[PRIVATES]], i32 0, i32 2
338 // CHECK: [[ARG3:%.+]] = load [2 x [[S_INT_TY]]]**, [2 x [[S_INT_TY]]]*** %{{.+}},
339 // CHECK: store [2 x [[S_INT_TY]]]* [[PRIV_S_VAR]], [2 x [[S_INT_TY]]]** [[ARG3]],
340 // CHECK: [[PRIV_VAR:%.+]] = getelementptr inbounds [[PRIVATES_TMAIN_TY]], [[PRIVATES_TMAIN_TY]]* [[PRIVATES]], i32 0, i32 3
341 // CHECK: [[ARG4:%.+]] = load [[S_INT_TY]]**, [[S_INT_TY]]*** {{.+}},
342 // CHECK: store [[S_INT_TY]]* [[PRIV_VAR]], [[S_INT_TY]]** [[ARG4]],
343 // CHECK: ret void
344 
345 // CHECK: define internal i32 [[TASK_ENTRY]](i32, [[KMP_TASK_TMAIN_TY]]* noalias)
346 
347 // CHECK: alloca i32*,
348 // CHECK-DAG: [[PRIV_T_VAR_ADDR:%.+]] = alloca i32*,
349 // CHECK-DAG: [[PRIV_VEC_ADDR:%.+]] = alloca [2 x i32]*,
350 // CHECK-DAG: [[PRIV_S_ARR_ADDR:%.+]] = alloca [2 x [[S_INT_TY]]]*,
351 // CHECK-DAG: [[PRIV_VAR_ADDR:%.+]] = alloca [[S_INT_TY]]*,
352 // CHECK: store void (i8*, ...)* bitcast (void ([[PRIVATES_TMAIN_TY]]*, i32**, [2 x i32]**, [2 x [[S_INT_TY]]]**, [[S_INT_TY]]**)* [[PRIVATES_MAP_FN]] to void (i8*, ...)*), void (i8*, ...)** [[MAP_FN_ADDR:%.+]],
353 // CHECK: [[MAP_FN:%.+]] = load void (i8*, ...)*, void (i8*, ...)** [[MAP_FN_ADDR]],
354 // CHECK: call void (i8*, ...) [[MAP_FN]](i8* %{{.+}}, i32** [[PRIV_T_VAR_ADDR]], [2 x i32]** [[PRIV_VEC_ADDR]], [2 x [[S_INT_TY]]]** [[PRIV_S_ARR_ADDR]], [[S_INT_TY]]** [[PRIV_VAR_ADDR]])
355 // CHECK: [[PRIV_T_VAR:%.+]] = load i32*, i32** [[PRIV_T_VAR_ADDR]],
356 // CHECK: [[PRIV_VEC:%.+]] = load [2 x i32]*, [2 x i32]** [[PRIV_VEC_ADDR]],
357 // CHECK: [[PRIV_S_ARR:%.+]] = load [2 x [[S_INT_TY]]]*, [2 x [[S_INT_TY]]]** [[PRIV_S_ARR_ADDR]],
358 // CHECK: [[PRIV_VAR:%.+]] = load [[S_INT_TY]]*, [[S_INT_TY]]** [[PRIV_VAR_ADDR]],
359 
360 // Privates actually are used.
361 // CHECK-DAG: [[PRIV_VAR]]
362 // CHECK-DAG: [[PRIV_T_VAR]]
363 // CHECK-DAG: [[PRIV_S_ARR]]
364 // CHECK-DAG: [[PRIV_VEC]]
365 
366 // CHECK: ret
367 
368 // CHECK: define internal void [[TMAIN_DUP]]([[KMP_TASK_TMAIN_TY]]*, [[KMP_TASK_TMAIN_TY]]*, i32)
369 // CHECK: getelementptr inbounds [[KMP_TASK_TMAIN_TY]], [[KMP_TASK_TMAIN_TY]]* %{{.+}}, i32 0, i32 2
370 // CHECK: getelementptr inbounds [[PRIVATES_TMAIN_TY]], [[PRIVATES_TMAIN_TY]]* %{{.+}}, i32 0, i32 2
371 // CHECK: getelementptr inbounds [2 x [[S_INT_TY]]], [2 x [[S_INT_TY]]]* %{{.+}}, i32 0, i32 0
372 // CHECK: getelementptr inbounds [[S_INT_TY]], [[S_INT_TY]]* %{{.+}}, i64 2
373 // CHECK: br label %
374 
375 // CHECK: phi [[S_INT_TY]]*
376 // CHECK: call {{.*}} [[S_INT_TY_DEF_CONSTR]]([[S_INT_TY]]*
377 // CHECK: getelementptr inbounds [[S_INT_TY]], [[S_INT_TY]]* %{{.+}}, i64 1
378 // CHECK: icmp eq [[S_INT_TY]]* %
379 // CHECK: br i1 %
380 
381 // CHECK: getelementptr inbounds [[PRIVATES_TMAIN_TY]], [[PRIVATES_TMAIN_TY]]* %{{.+}}, i32 0, i32 3
382 // CHECK: call {{.*}} [[S_INT_TY_DEF_CONSTR]]([[S_INT_TY]]*
383 // CHECK: ret void
384 
385 // CHECK: define internal i32 [[DESTRUCTORS]](i32, [[KMP_TASK_TMAIN_TY]]* noalias)
386 // CHECK: [[PRIVATES:%.+]] = getelementptr inbounds [[KMP_TASK_TMAIN_TY]], [[KMP_TASK_TMAIN_TY]]* [[RES_KMP_TASK:%.+]], i{{[0-9]+}} 0, i{{[0-9]+}} 2
387 // CHECK: [[PRIVATE_S_ARR_REF:%.+]] = getelementptr inbounds [[PRIVATES_TMAIN_TY]], [[PRIVATES_TMAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 2
388 // CHECK: [[PRIVATE_VAR_REF:%.+]] = getelementptr inbounds [[PRIVATES_TMAIN_TY]], [[PRIVATES_TMAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 3
389 // CHECK: call void [[S_INT_TY_DESTR]]([[S_INT_TY]]* [[PRIVATE_VAR_REF]])
390 // CHECK: getelementptr inbounds [2 x [[S_INT_TY]]], [2 x [[S_INT_TY]]]* [[PRIVATE_S_ARR_REF]], i{{.+}} 0, i{{.+}} 0
391 // CHECK: getelementptr inbounds [[S_INT_TY]], [[S_INT_TY]]* %{{.+}}, i{{.+}} 2
392 // CHECK: [[PRIVATE_S_ARR_ELEM_REF:%.+]] = getelementptr inbounds [[S_INT_TY]], [[S_INT_TY]]* %{{.+}}, i{{.+}} -1
393 // CHECK: call void [[S_INT_TY_DESTR]]([[S_INT_TY]]* [[PRIVATE_S_ARR_ELEM_REF]])
394 // CHECK: icmp eq
395 // CHECK: br i1
396 // CHECK: ret i32
397 
398 #endif
399 #else
400 // ARRAY-LABEL: array_func
401 struct St {
402   int a, b;
403   St() : a(0), b(0) {}
404   St &operator=(const St &) { return *this; };
405   ~St() {}
406 };
407 
408 void array_func(int n, float a[n], St s[2]) {
409 // ARRAY: call i8* @__kmpc_omp_task_alloc(
410 // ARRAY: call void @__kmpc_taskloop(
411 // ARRAY: store float** %{{.+}}, float*** %{{.+}},
412 // ARRAY: store %struct.St** %{{.+}}, %struct.St*** %{{.+}},
413 #pragma omp taskloop simd private(a, s)
414   for (int i = 0; i < 10; ++i)
415     ;
416 }
417 #endif
418 
419