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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 
8 // RUN: %clang_cc1 -verify -fopenmp-simd -x c++ -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck --check-prefix SIMD-ONLY0 %s
9 // RUN: %clang_cc1 -fopenmp-simd -x c++ -std=c++11 -triple x86_64-apple-darwin10 -emit-pch -o %t %s
10 // RUN: %clang_cc1 -fopenmp-simd -x c++ -triple x86_64-apple-darwin10 -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck --check-prefix SIMD-ONLY0 %s
11 // RUN: %clang_cc1 -verify -fopenmp-simd -x c++ -std=c++11 -DLAMBDA -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck --check-prefix SIMD-ONLY0 %s
12 // RUN: %clang_cc1 -verify -fopenmp-simd -x c++ -fblocks -DBLOCKS -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck --check-prefix SIMD-ONLY0 %s
13 // RUN: %clang_cc1 -verify -fopenmp-simd -x c++ -std=c++11 -DARRAY -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck --check-prefix SIMD-ONLY0 %s
14 // SIMD-ONLY0-NOT: {{__kmpc|__tgt}}
15 // expected-no-diagnostics
16 
17 #ifndef ARRAY
18 #ifndef HEADER
19 #define HEADER
20 
21 template <class T>
22 struct S {
23   T f;
SS24   S(T a) : f(a) {}
SS25   S() : f() {}
operator TS26   operator T() { return T(); }
~SS27   ~S() {}
28 };
29 
30 volatile double g;
31 
32 // CHECK-DAG: [[KMP_TASK_T_TY:%.+]] = type { i8*, i32 (i32, i8*)*, i32, %union{{.+}}, %union{{.+}}, i64, i64, i64, i32, i8* }
33 // CHECK-DAG: [[S_DOUBLE_TY:%.+]] = type { double }
34 // CHECK-DAG: [[CAP_MAIN_TY:%.+]] = type { i8 }
35 // CHECK-DAG: [[PRIVATES_MAIN_TY:%.+]] = type {{.?}}{ [2 x [[S_DOUBLE_TY]]], [[S_DOUBLE_TY]], i32, [2 x i32]
36 // CHECK-DAG: [[KMP_TASK_MAIN_TY:%.+]] = type { [[KMP_TASK_T_TY]], [[PRIVATES_MAIN_TY]] }
37 // CHECK-DAG: [[S_INT_TY:%.+]] = type { i32 }
38 // CHECK-DAG: [[CAP_TMAIN_TY:%.+]] = type { i8 }
39 // CHECK-DAG: [[PRIVATES_TMAIN_TY:%.+]] = type { i32, [2 x i32], [2 x [[S_INT_TY]]], [[S_INT_TY]], [104 x i8] }
40 // CHECK-DAG: [[KMP_TASK_TMAIN_TY:%.+]] = type { [[KMP_TASK_T_TY]], [{{[0-9]+}} x i8], [[PRIVATES_TMAIN_TY]] }
41 template <typename T>
tmain()42 T tmain() {
43   S<T> test;
44   T t_var __attribute__((aligned(128))) = T();
45   T vec[] = {1, 2};
46   S<T> s_arr[] = {1, 2};
47   S<T> var(3);
48 #pragma omp parallel master taskloop private(t_var, vec, s_arr, s_arr, var, var)
49   for (int i = 0; i < 10; ++i) {
50     vec[0] = t_var;
51     s_arr[0] = var;
52   }
53   return T();
54 }
55 
main()56 int main() {
57   static int sivar;
58 #ifdef LAMBDA
59   // LAMBDA: [[G:@.+]] = global double
60   // LAMBDA-LABEL: @main
61   // LAMBDA: call{{( x86_thiscallcc)?}} void [[OUTER_LAMBDA:@.+]](
62   [&]() {
63   // LAMBDA: define{{.*}} internal{{.*}} void [[OUTER_LAMBDA]](
64   // LAMBDA: [[RES:%.+]] = call i8* @__kmpc_omp_task_alloc(%{{[^ ]+}} @{{[^,]+}}, i32 %{{[^,]+}}, i32 1, i64 96, i64 1, i32 (i32, i8*)* bitcast (i32 (i32, %{{[^*]+}}*)* [[TASK_ENTRY:@[^ ]+]] to i32 (i32, i8*)*))
65 // LAMBDA: [[PRIVATES:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* %{{.+}}, i{{.+}} 0, i{{.+}} 1
66 // LAMBDA: call void @__kmpc_taskloop(%{{.+}}* @{{.+}}, i32 %{{.+}}, i8* [[RES]], i32 1, i64* %{{.+}}, i64* %{{.+}}, i64 %{{.+}}, i32 1, i32 0, i64 0, i8* null)
67 // LAMBDA: ret
68 #pragma omp parallel master taskloop private(g, sivar)
69   for (int i = 0; i < 10; ++i) {
70     // LAMBDA: define {{.+}} void [[INNER_LAMBDA:@.+]](%{{.+}}* {{[^,]*}} [[ARG_PTR:%.+]])
71     // LAMBDA: store %{{.+}}* [[ARG_PTR]], %{{.+}}** [[ARG_PTR_REF:%.+]],
72     // LAMBDA: [[ARG_PTR:%.+]] = load %{{.+}}*, %{{.+}}** [[ARG_PTR_REF]]
73     // LAMBDA: [[G_PTR_REF:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* [[ARG_PTR]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
74     // LAMBDA: [[G_REF:%.+]] = load double*, double** [[G_PTR_REF]]
75     // LAMBDA: store double 2.0{{.+}}, double* [[G_REF]]
76     // LAMBDA: [[SIVAR_PTR_REF:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* [[ARG_PTR]], i{{[0-9]+}} 0, i{{[0-9]+}} 1
77     // LAMBDA: [[SIVAR_REF:%.+]] = load i{{[0-9]+}}*, i{{[0-9]+}}** [[SIVAR_PTR_REF]]
78     // LAMBDA: store i{{[0-9]+}} 3, i{{[0-9]+}}* [[SIVAR_REF]]
79 
80     // LAMBDA: define internal i32 [[TASK_ENTRY]](i32 %0, %{{.+}}* noalias %1)
81     g = 1;
82     sivar = 2;
83     // LAMBDA: store double 1.0{{.+}}, double* %{{.+}},
84     // LAMBDA: store i{{[0-9]+}} 2, i{{[0-9]+}}* %{{.+}},
85     // LAMBDA: call void [[INNER_LAMBDA]](%
86     // LAMBDA: ret
87     [&]() {
88       g = 2;
89       sivar = 3;
90     }();
91   }
92   }();
93   return 0;
94 #elif defined(BLOCKS)
95   // BLOCKS: [[G:@.+]] = global double
96   // BLOCKS-LABEL: @main
97   // BLOCKS: call void {{%.+}}(i8
98   ^{
99   // BLOCKS: define{{.*}} internal{{.*}} void {{.+}}(i8*
100   // BLOCKS: [[RES:%.+]] = call i8* @__kmpc_omp_task_alloc(%{{[^ ]+}} @{{[^,]+}}, i32 %{{[^,]+}}, i32 1, i64 96, i64 1, i32 (i32, i8*)* bitcast (i32 (i32, %{{[^*]+}}*)* [[TASK_ENTRY:@[^ ]+]] to i32 (i32, i8*)*))
101   // BLOCKS: [[PRIVATES:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* %{{.+}}, i{{.+}} 0, i{{.+}} 1
102   // BLOCKS: call void @__kmpc_taskloop(%{{.+}}* @{{.+}}, i32 %{{.+}}, i8* [[RES]], i32 1, i64* %{{.+}}, i64* %{{.+}}, i64 %{{.+}}, i32 1, i32 0, i64 0, i8* null)
103   // BLOCKS: ret
104 #pragma omp parallel master taskloop private(g, sivar)
105   for (int i = 0; i < 10; ++i) {
106     // BLOCKS: define {{.+}} void {{@.+}}(i8*
107     // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
108     // BLOCKS: store double 2.0{{.+}}, double*
109     // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
110     // BLOCKS-NOT: [[SIVAR]]{{[[^:word:]]}}
111     // BLOCKS: store i{{[0-9]+}} 4, i{{[0-9]+}}*
112     // BLOCKS-NOT: [[SIVAR]]{{[[^:word:]]}}
113     // BLOCKS: ret
114 
115     // BLOCKS: define internal i32 [[TASK_ENTRY]](i32 %0, %{{.+}}* noalias %1)
116     g = 1;
117     sivar = 3;
118     // BLOCKS: store double 1.0{{.+}}, double* %{{.+}},
119     // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
120     // BLOCKS: store i{{[0-9]+}} 3, i{{[0-9]+}}* %{{.+}},
121     // BLOCKS-NOT: [[SIVAR]]{{[[^:word:]]}}
122     // BLOCKS: call void {{%.+}}(i8
123     ^{
124       g = 2;
125       sivar = 4;
126     }();
127   }
128   }();
129   return 0;
130 #else
131   S<double> test;
132   int t_var = 0;
133   int vec[] = {1, 2};
134   S<double> s_arr[] = {1, 2};
135   S<double> var(3);
136 #pragma omp parallel master taskloop private(var, t_var, s_arr, vec, s_arr, var, sivar)
137   for (int i = 0; i < 10; ++i) {
138     vec[0] = t_var;
139     s_arr[0] = var;
140     sivar = 8;
141   }
142 #pragma omp task
143   g+=1;
144   return tmain<int>();
145 #endif
146 }
147 
148 // CHECK: define i{{[0-9]+}} @main()
149 // CHECK: [[TEST:%.+]] = alloca [[S_DOUBLE_TY]],
150 // CHECK: [[T_VAR_ADDR:%.+]] = alloca i32,
151 // CHECK: [[VEC_ADDR:%.+]] = alloca [2 x i32],
152 // CHECK: [[S_ARR_ADDR:%.+]] = alloca [2 x [[S_DOUBLE_TY]]],
153 // CHECK: [[VAR_ADDR:%.+]] = alloca [[S_DOUBLE_TY]],
154 
155 // CHECK: call {{.*}} [[S_DOUBLE_TY_DEF_CONSTR:@.+]]([[S_DOUBLE_TY]]* {{[^,]*}} [[TEST]])
156 
157 // CHECK:       [[RES:%.+]] = call {{.*}}i32 @__kmpc_master(
158 // CHECK-NEXT:  [[IS_MASTER:%.+]] = icmp ne i32 [[RES]], 0
159 // CHECK-NEXT:  br i1 [[IS_MASTER]], label {{%?}}[[THEN:.+]], label {{%?}}[[EXIT:.+]]
160 // CHECK:       [[THEN]]
161 // Do not store original variables in capture struct.
162 // CHECK-NOT: getelementptr inbounds [[CAP_MAIN_TY]],
163 
164 // Allocate task.
165 // Returns struct kmp_task_t {
166 //         [[KMP_TASK_T_TY]] task_data;
167 //         [[KMP_TASK_MAIN_TY]] privates;
168 //       };
169 // CHECK: [[RES:%.+]] = call i8* @__kmpc_omp_task_alloc([[LOC:%.+]], i32 [[GTID:%.+]], i32 9, i64 120, i64 1, i32 (i32, i8*)* bitcast (i32 (i32, [[KMP_TASK_MAIN_TY]]*)* [[TASK_ENTRY:@[^ ]+]] to i32 (i32, i8*)*))
170 // CHECK: [[RES_KMP_TASK:%.+]] = bitcast i8* [[RES]] to [[KMP_TASK_MAIN_TY]]*
171 
172 // CHECK: [[TASK:%.+]] = getelementptr inbounds [[KMP_TASK_MAIN_TY]], [[KMP_TASK_MAIN_TY]]* [[RES_KMP_TASK]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
173 // Initialize kmp_task_t->privates with default values (no init for simple types, default constructors for classes).
174 // Also copy address of private copy to the corresponding shareds reference.
175 // CHECK: [[PRIVATES:%.+]] = getelementptr inbounds [[KMP_TASK_MAIN_TY]], [[KMP_TASK_MAIN_TY]]* [[RES_KMP_TASK]], i{{[0-9]+}} 0, i{{[0-9]+}} 1
176 
177 // Constructors for s_arr and var.
178 // a_arr;
179 // CHECK: [[PRIVATE_S_ARR_REF:%.+]] = getelementptr inbounds [[PRIVATES_MAIN_TY]], [[PRIVATES_MAIN_TY]]* [[PRIVATES]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
180 // CHECK: getelementptr inbounds [2 x [[S_DOUBLE_TY]]], [2 x [[S_DOUBLE_TY]]]* [[PRIVATE_S_ARR_REF]], i{{.+}} 0, i{{.+}} 0
181 // CHECK: getelementptr inbounds [[S_DOUBLE_TY]], [[S_DOUBLE_TY]]* %{{.+}}, i{{.+}} 2
182 // CHECK: call void [[S_DOUBLE_TY_DEF_CONSTR]]([[S_DOUBLE_TY]]* {{[^,]*}} [[S_ARR_CUR:%.+]])
183 // CHECK: getelementptr inbounds [[S_DOUBLE_TY]], [[S_DOUBLE_TY]]* [[S_ARR_CUR]], i{{.+}} 1
184 // CHECK: icmp eq
185 // CHECK: br i1
186 
187 // var;
188 // CHECK: [[PRIVATE_VAR_REF:%.+]] = getelementptr inbounds [[PRIVATES_MAIN_TY]], [[PRIVATES_MAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 1
189 // CHECK: call void [[S_DOUBLE_TY_DEF_CONSTR]]([[S_DOUBLE_TY]]* {{[^,]*}} [[PRIVATE_VAR_REF:%.+]])
190 
191 // Provide pointer to destructor function, which will destroy private variables at the end of the task.
192 // CHECK: [[DESTRUCTORS_REF:%.+]] = getelementptr inbounds [[KMP_TASK_T_TY]], [[KMP_TASK_T_TY]]* [[TASK]], i{{.+}} 0, i{{.+}} 3
193 // CHECK: [[DESTRUCTORS_PTR:%.+]] = bitcast %union{{.+}}* [[DESTRUCTORS_REF]] to i32 (i32, i8*)**
194 // CHECK: store i32 (i32, i8*)* bitcast (i32 (i32, [[KMP_TASK_MAIN_TY]]*)* [[DESTRUCTORS:@.+]] to i32 (i32, i8*)*), i32 (i32, i8*)** [[DESTRUCTORS_PTR]],
195 
196 // Start task.
197 // CHECK: call void @__kmpc_taskloop([[LOC]], i32 [[GTID]], i8* [[RES]], i32 1, i64* %{{.+}}, i64* %{{.+}}, i64 %{{.+}}, i32 1, i32 0, i64 0, i8* bitcast (void ([[KMP_TASK_MAIN_TY]]*, [[KMP_TASK_MAIN_TY]]*, i32)* [[MAIN_DUP:@.+]] to i8*))
198 // CHECK:  call {{.*}}void @__kmpc_end_master(
199 // CHECK-NEXT:  br label {{%?}}[[EXIT]]
200 // CHECK:       [[EXIT]]
201 
202 // No destructors must be called for private copies of s_arr and var.
203 // CHECK-NOT: getelementptr inbounds [[PRIVATES_MAIN_TY]], [[PRIVATES_MAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 2
204 // CHECK-NOT: getelementptr inbounds [[PRIVATES_MAIN_TY]], [[PRIVATES_MAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 3
205 //
206 
207 // CHECK: define internal void [[PRIVATES_MAP_FN:@.+]]([[PRIVATES_MAIN_TY]]* noalias %0, [[S_DOUBLE_TY]]** noalias %1, i32** noalias %2, [2 x [[S_DOUBLE_TY]]]** noalias %3, [2 x i32]** noalias %4, i32** noalias %5)
208 // CHECK: [[PRIVATES:%.+]] = load [[PRIVATES_MAIN_TY]]*, [[PRIVATES_MAIN_TY]]**
209 // CHECK: [[PRIV_S_VAR:%.+]] = getelementptr inbounds [[PRIVATES_MAIN_TY]], [[PRIVATES_MAIN_TY]]* [[PRIVATES]], i32 0, i32 0
210 // CHECK: [[ARG3:%.+]] = load [2 x [[S_DOUBLE_TY]]]**, [2 x [[S_DOUBLE_TY]]]*** %{{.+}},
211 // CHECK: store [2 x [[S_DOUBLE_TY]]]* [[PRIV_S_VAR]], [2 x [[S_DOUBLE_TY]]]** [[ARG3]],
212 // CHECK: [[PRIV_VAR:%.+]] = getelementptr inbounds [[PRIVATES_MAIN_TY]], [[PRIVATES_MAIN_TY]]* [[PRIVATES]], i32 0, i32 1
213 // CHECK: [[ARG1:%.+]] = load [[S_DOUBLE_TY]]**, [[S_DOUBLE_TY]]*** {{.+}},
214 // CHECK: store [[S_DOUBLE_TY]]* [[PRIV_VAR]], [[S_DOUBLE_TY]]** [[ARG1]],
215 // CHECK: [[PRIV_T_VAR:%.+]] = getelementptr inbounds [[PRIVATES_MAIN_TY]], [[PRIVATES_MAIN_TY]]* [[PRIVATES]], i32 0, i32 2
216 // CHECK: [[ARG2:%.+]] = load i32**, i32*** %{{.+}},
217 // CHECK: store i32* [[PRIV_T_VAR]], i32** [[ARG2]],
218 // CHECK: [[PRIV_VEC:%.+]] = getelementptr inbounds [[PRIVATES_MAIN_TY]], [[PRIVATES_MAIN_TY]]* [[PRIVATES]], i32 0, i32 3
219 // CHECK: [[ARG4:%.+]] = load [2 x i32]**, [2 x i32]*** %{{.+}},
220 // CHECK: store [2 x i32]* [[PRIV_VEC]], [2 x i32]** [[ARG4]],
221 // CHECK: ret void
222 
223 // CHECK: define internal i32 [[TASK_ENTRY]](i32 %0, [[KMP_TASK_MAIN_TY]]* noalias %1)
224 
225 // CHECK: [[PRIV_VAR_ADDR:%.+]] = alloca [[S_DOUBLE_TY]]*,
226 // CHECK: [[PRIV_T_VAR_ADDR:%.+]] = alloca i32*,
227 // CHECK: [[PRIV_S_ARR_ADDR:%.+]] = alloca [2 x [[S_DOUBLE_TY]]]*,
228 // CHECK: [[PRIV_VEC_ADDR:%.+]] = alloca [2 x i32]*,
229 // CHECK: [[PRIV_SIVAR_ADDR:%.+]] = alloca i32*,
230 // 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:%.+]],
231 // CHECK: [[MAP_FN:%.+]] = load void (i8*, ...)*, void (i8*, ...)** [[MAP_FN_ADDR]],
232 // 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]])
233 // CHECK: [[PRIV_VAR:%.+]] = load [[S_DOUBLE_TY]]*, [[S_DOUBLE_TY]]** [[PRIV_VAR_ADDR]],
234 // CHECK: [[PRIV_T_VAR:%.+]] = load i32*, i32** [[PRIV_T_VAR_ADDR]],
235 // CHECK: [[PRIV_S_ARR:%.+]] = load [2 x [[S_DOUBLE_TY]]]*, [2 x [[S_DOUBLE_TY]]]** [[PRIV_S_ARR_ADDR]],
236 // CHECK: [[PRIV_VEC:%.+]] = load [2 x i32]*, [2 x i32]** [[PRIV_VEC_ADDR]],
237 // CHECK: [[PRIV_SIVAR:%.+]] = load i32*, i32** [[PRIV_SIVAR_ADDR]],
238 
239 // Privates actually are used.
240 // CHECK-DAG: [[PRIV_VAR]]
241 // CHECK-DAG: [[PRIV_T_VAR]]
242 // CHECK-DAG: [[PRIV_S_ARR]]
243 // CHECK-DAG: [[PRIV_VEC]]
244 // CHECK_DAG: [[PRIV_SIVAR]]
245 
246 // CHECK: ret
247 
248 // CHECK: define internal void [[MAIN_DUP]]([[KMP_TASK_MAIN_TY]]* %0, [[KMP_TASK_MAIN_TY]]* %1, i32 %2)
249 // CHECK: getelementptr inbounds [[KMP_TASK_MAIN_TY]], [[KMP_TASK_MAIN_TY]]* %{{.+}}, i32 0, i32 1
250 // CHECK: getelementptr inbounds [[PRIVATES_MAIN_TY]], [[PRIVATES_MAIN_TY]]* %{{.+}}, i32 0, i32 0
251 // CHECK: getelementptr inbounds [2 x [[S_DOUBLE_TY]]], [2 x [[S_DOUBLE_TY]]]* %{{.+}}, i32 0, i32 0
252 // CHECK: getelementptr inbounds [[S_DOUBLE_TY]], [[S_DOUBLE_TY]]* %{{.+}}, i64 2
253 // CHECK: br label %
254 
255 // CHECK: phi [[S_DOUBLE_TY]]*
256 // CHECK: call {{.*}} [[S_DOUBLE_TY_DEF_CONSTR]]([[S_DOUBLE_TY]]*
257 // CHECK: getelementptr inbounds [[S_DOUBLE_TY]], [[S_DOUBLE_TY]]* %{{.+}}, i64 1
258 // CHECK: icmp eq [[S_DOUBLE_TY]]* %
259 // CHECK: br i1 %
260 
261 // CHECK: getelementptr inbounds [[PRIVATES_MAIN_TY]], [[PRIVATES_MAIN_TY]]* %{{.+}}, i32 0, i32 1
262 // CHECK: call {{.*}} [[S_DOUBLE_TY_DEF_CONSTR]]([[S_DOUBLE_TY]]*
263 // CHECK: ret void
264 
265 // CHECK: define internal i32 [[DESTRUCTORS]](i32 %0, [[KMP_TASK_MAIN_TY]]* noalias %1)
266 // CHECK: [[PRIVATES:%.+]] = getelementptr inbounds [[KMP_TASK_MAIN_TY]], [[KMP_TASK_MAIN_TY]]* [[RES_KMP_TASK:%.+]], i{{[0-9]+}} 0, i{{[0-9]+}} 1
267 // CHECK: [[PRIVATE_S_ARR_REF:%.+]] = getelementptr inbounds [[PRIVATES_MAIN_TY]], [[PRIVATES_MAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 0
268 // CHECK: [[PRIVATE_VAR_REF:%.+]] = getelementptr inbounds [[PRIVATES_MAIN_TY]], [[PRIVATES_MAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 1
269 // CHECK: call void @_ZN1SIdED1Ev([[S_DOUBLE_TY]]* {{[^,]*}} [[PRIVATE_VAR_REF]])
270 // CHECK: getelementptr inbounds [2 x [[S_DOUBLE_TY]]], [2 x [[S_DOUBLE_TY]]]* [[PRIVATE_S_ARR_REF]], i{{.+}} 0, i{{.+}} 0
271 // CHECK: getelementptr inbounds [[S_DOUBLE_TY]], [[S_DOUBLE_TY]]* %{{.+}}, i{{.+}} 2
272 // CHECK: [[PRIVATE_S_ARR_ELEM_REF:%.+]] = getelementptr inbounds [[S_DOUBLE_TY]], [[S_DOUBLE_TY]]* %{{.+}}, i{{.+}} -1
273 // CHECK: call void @_ZN1SIdED1Ev([[S_DOUBLE_TY]]* {{[^,]*}} [[PRIVATE_S_ARR_ELEM_REF]])
274 // CHECK: icmp eq
275 // CHECK: br i1
276 // CHECK: ret i32
277 
278 // CHECK: [[TEST:%.+]] = alloca [[S_INT_TY]],
279 // CHECK: [[T_VAR_ADDR:%.+]] = alloca i32,
280 // CHECK: [[VEC_ADDR:%.+]] = alloca [2 x i32],
281 // CHECK: [[S_ARR_ADDR:%.+]] = alloca [2 x [[S_INT_TY]]],
282 // CHECK: [[VAR_ADDR:%.+]] = alloca [[S_INT_TY]],
283 
284 // CHECK: call {{.*}} [[S_INT_TY_DEF_CONSTR:@.+]]([[S_INT_TY]]* {{[^,]*}} [[TEST]])
285 
286 // Do not store original variables in capture struct.
287 // CHECK-NOT: getelementptr inbounds [[CAP_TMAIN_TY]],
288 
289 // Allocate task.
290 // Returns struct kmp_task_t {
291 //         [[KMP_TASK_T_TY]] task_data;
292 //         [[KMP_TASK_TMAIN_TY]] privates;
293 //       };
294 // 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*)*))
295 // CHECK: [[RES_KMP_TASK:%.+]] = bitcast i8* [[RES]] to [[KMP_TASK_TMAIN_TY]]*
296 
297 // CHECK: [[TASK:%.+]] = getelementptr inbounds [[KMP_TASK_TMAIN_TY]], [[KMP_TASK_TMAIN_TY]]* [[RES_KMP_TASK]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
298 
299 // Initialize kmp_task_t->privates with default values (no init for simple types, default constructors for classes).
300 // CHECK: [[PRIVATES:%.+]] = getelementptr inbounds [[KMP_TASK_TMAIN_TY]], [[KMP_TASK_TMAIN_TY]]* [[RES_KMP_TASK]], i{{[0-9]+}} 0, i{{[0-9]+}} 2
301 
302 // Constructors for s_arr and var.
303 // a_arr;
304 // CHECK: [[PRIVATE_S_ARR_REF:%.+]] = getelementptr inbounds [[PRIVATES_TMAIN_TY]], [[PRIVATES_TMAIN_TY]]* [[PRIVATES]], i{{[0-9]+}} 0, i{{[0-9]+}} 2
305 // CHECK: getelementptr inbounds [2 x [[S_INT_TY]]], [2 x [[S_INT_TY]]]* [[PRIVATE_S_ARR_REF]], i{{.+}} 0, i{{.+}} 0
306 // CHECK: getelementptr inbounds [[S_INT_TY]], [[S_INT_TY]]* %{{.+}}, i{{.+}} 2
307 // CHECK: call void [[S_INT_TY_DEF_CONSTR]]([[S_INT_TY]]* {{[^,]*}} [[S_ARR_CUR:%.+]])
308 // CHECK: getelementptr inbounds [[S_INT_TY]], [[S_INT_TY]]* [[S_ARR_CUR]], i{{.+}} 1
309 // CHECK: icmp eq
310 // CHECK: br i1
311 
312 // var;
313 // CHECK: [[PRIVATE_VAR_REF:%.+]] = getelementptr inbounds [[PRIVATES_TMAIN_TY]], [[PRIVATES_TMAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 3
314 // CHECK: call void [[S_INT_TY_DEF_CONSTR]]([[S_INT_TY]]* {{[^,]*}} [[PRIVATE_VAR_REF:%.+]])
315 
316 // Provide pointer to destructor function, which will destroy private variables at the end of the task.
317 // CHECK: [[DESTRUCTORS_REF:%.+]] = getelementptr inbounds [[KMP_TASK_T_TY]], [[KMP_TASK_T_TY]]* [[TASK]], i{{.+}} 0, i{{.+}} 3
318 // CHECK: [[DESTRUCTORS_PTR:%.+]] = bitcast %union{{.+}}* [[DESTRUCTORS_REF]] to i32 (i32, i8*)**
319 // CHECK: store i32 (i32, i8*)* bitcast (i32 (i32, [[KMP_TASK_TMAIN_TY]]*)* [[DESTRUCTORS:@.+]] to i32 (i32, i8*)*), i32 (i32, i8*)** [[DESTRUCTORS_PTR]],
320 
321 // Start task.
322 // CHECK: call void @__kmpc_taskloop([[LOC]], i32 [[GTID]], i8* [[RES]], i32 1, i64* %{{.+}}, i64* %{{.+}}, i64 %{{.+}}, i32 1, i32 0, i64 0, i8* bitcast (void ([[KMP_TASK_TMAIN_TY]]*, [[KMP_TASK_TMAIN_TY]]*, i32)* [[TMAIN_DUP:@.+]] to i8*))
323 
324 // No destructors must be called for private copies of s_arr and var.
325 // CHECK-NOT: getelementptr inbounds [[PRIVATES_TMAIN_TY]], [[PRIVATES_TMAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 2
326 // CHECK-NOT: getelementptr inbounds [[PRIVATES_TMAIN_TY]], [[PRIVATES_TMAIN_TY]]* [[PRIVATES]], i{{.+}} 0, i{{.+}} 3
327 //
328 
329 // CHECK: define internal void [[PRIVATES_MAP_FN:@.+]]([[PRIVATES_TMAIN_TY]]* noalias %0, i32** noalias %1, [2 x i32]** noalias %2, [2 x [[S_INT_TY]]]** noalias %3, [[S_INT_TY]]** noalias %4)
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 %0, [[KMP_TASK_TMAIN_TY]]* noalias %1)
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]]* %0, [[KMP_TASK_TMAIN_TY]]* %1, i32 %2)
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 %0, [[KMP_TASK_TMAIN_TY]]* noalias %1)
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 @_ZN1SIiED1Ev([[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 @_ZN1SIiED1Ev([[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;
StSt403   St() : a(0), b(0) {}
operator =St404   St &operator=(const St &) { return *this; };
~StSt405   ~St() {}
406 };
407 
array_func(int n,float a[n],St s[2])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 parallel master taskloop private(a, s)
414   for (int i = 0; i < 10; ++i)
415     ;
416 }
417 #endif
418 
419