1 // RUN: %clang_cc1 -verify -fopenmp -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck %s
2 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-unknown-unknown -emit-pch -o %t %s
3 // RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-unknown-unknown -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 %itanium_abi_triple -emit-llvm %s -o - | FileCheck -check-prefix=LAMBDA %s
5 // RUN: %clang_cc1 -verify -fopenmp -x c++ -fblocks -DBLOCKS -triple %itanium_abi_triple -emit-llvm %s -o - | FileCheck -check-prefix=BLOCKS %s
6 // expected-no-diagnostics
7 #ifndef HEADER
8 #define HEADER
9 
10 template <class T>
11 struct S {
12   T f;
13   S(T a) : f(a) {}
14   S() : f() {}
15   operator T() { return T(); }
16   ~S() {}
17 };
18 
19 volatile double g;
20 
21 // CHECK: [[S_FLOAT_TY:%.+]] = type { float }
22 // CHECK: [[CAP_MAIN_TY:%.+]] = type { i8 }
23 // CHECK: [[S_INT_TY:%.+]] = type { i{{[0-9]+}} }
24 // CHECK: [[CAP_TMAIN_TY:%.+]] = type { i8 }
25 template <typename T>
26 T tmain() {
27   S<T> test;
28   T t_var = T();
29   T vec[] = {1, 2};
30   S<T> s_arr[] = {1, 2};
31   S<T> var(3);
32 #pragma omp parallel
33 #pragma omp sections private(t_var, vec, s_arr, s_arr, var, var)
34   {
35     vec[0] = t_var;
36 #pragma omp section
37     s_arr[0] = var;
38   }
39   return T();
40 }
41 
42 int main() {
43 #ifdef LAMBDA
44   // LAMBDA: [[G:@.+]] = global double
45   // LAMBDA-LABEL: @main
46   // LAMBDA: call{{.*}} void [[OUTER_LAMBDA:@.+]](
47   [&]() {
48   // LAMBDA: define{{.*}} internal{{.*}} void [[OUTER_LAMBDA]](
49   // LAMBDA: call {{.*}}void {{.+}} @__kmpc_fork_call({{.+}}, i32 1, {{.+}}* [[OMP_REGION:@.+]] to {{.+}}, i8* %{{.+}})
50 #pragma omp parallel
51 #pragma omp sections private(g)
52   {
53     // LAMBDA: define{{.*}} internal{{.*}} void [[OMP_REGION]](i32* %{{.+}}, i32* %{{.+}}, %{{.+}}* [[ARG:%.+]])
54     // LAMBDA: [[G_PRIVATE_ADDR:%.+]] = alloca double,
55     // LAMBDA: store %{{.+}}* [[ARG]], %{{.+}}** [[ARG_REF:%.+]],
56     g = 1;
57     // LAMBDA: call {{.*}}void @__kmpc_for_static_init_4(
58     // LAMBDA: store volatile double 1.0{{.+}}, double* [[G_PRIVATE_ADDR]],
59     // LAMBDA: [[G_PRIVATE_ADDR_REF:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* [[ARG:%.+]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
60     // LAMBDA: store double* [[G_PRIVATE_ADDR]], double** [[G_PRIVATE_ADDR_REF]]
61     // LAMBDA: call{{.*}} void [[INNER_LAMBDA:@.+]](%{{.+}}* [[ARG]])
62     // LAMBDA: call {{.*}}void @__kmpc_for_static_fini(
63 #pragma omp section
64     [&]() {
65       // LAMBDA: define {{.+}} void [[INNER_LAMBDA]](%{{.+}}* [[ARG_PTR:%.+]])
66       // LAMBDA: store %{{.+}}* [[ARG_PTR]], %{{.+}}** [[ARG_PTR_REF:%.+]],
67       g = 2;
68       // LAMBDA: [[ARG_PTR:%.+]] = load %{{.+}}*, %{{.+}}** [[ARG_PTR_REF]]
69       // LAMBDA: [[G_PTR_REF:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* [[ARG_PTR]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
70       // LAMBDA: [[G_REF:%.+]] = load double*, double** [[G_PTR_REF]]
71       // LAMBDA: store volatile double 2.0{{.+}}, double* [[G_REF]]
72     }();
73   }
74   }();
75   return 0;
76 #elif defined(BLOCKS)
77   // BLOCKS: [[G:@.+]] = global double
78   // BLOCKS-LABEL: @main
79   // BLOCKS: call {{.*}}void {{%.+}}(i8
80   ^{
81   // BLOCKS: define{{.*}} internal{{.*}} void {{.+}}(i8*
82   // BLOCKS: call {{.*}}void {{.+}} @__kmpc_fork_call({{.+}}, i32 1, {{.+}}* [[OMP_REGION:@.+]] to {{.+}}, i8* {{.+}})
83 #pragma omp parallel
84 #pragma omp sections private(g)
85     {
86     // BLOCKS: define{{.*}} internal{{.*}} void [[OMP_REGION]](i32* %{{.+}}, i32* %{{.+}}, %{{.+}}* [[ARG:%.+]])
87     // BLOCKS: [[G_PRIVATE_ADDR:%.+]] = alloca double,
88     // BLOCKS: store %{{.+}}* [[ARG]], %{{.+}}** [[ARG_REF:%.+]],
89     g = 1;
90     // BLOCKS: call {{.*}}void @__kmpc_for_static_init_4(
91     // BLOCKS: store volatile double 1.0{{.+}}, double* [[G_PRIVATE_ADDR]],
92     // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
93     // BLOCKS: double* [[G_PRIVATE_ADDR]]
94     // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
95     // BLOCKS: call {{.*}}void {{%.+}}(i8
96     // BLOCKS: call {{.*}}void @__kmpc_for_static_fini(
97 #pragma omp section
98     ^{
99       // BLOCKS: define {{.+}} void {{@.+}}(i8*
100       g = 2;
101       // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
102       // BLOCKS: store volatile double 2.0{{.+}}, double*
103       // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
104       // BLOCKS: ret
105     }();
106   }
107   }();
108   return 0;
109 #else
110   S<float> test;
111   int t_var = 0;
112   int vec[] = {1, 2};
113   S<float> s_arr[] = {1, 2};
114   S<float> var(3);
115 #pragma omp parallel
116 #pragma omp sections private(t_var, vec, s_arr, s_arr, var, var)
117   {
118     {
119     vec[0] = t_var;
120     s_arr[0] = var;
121     }
122   }
123   return tmain<int>();
124 #endif
125 }
126 
127 // CHECK: define i{{[0-9]+}} @main()
128 // CHECK: [[TEST:%.+]] = alloca [[S_FLOAT_TY]],
129 // CHECK: call {{.*}} [[S_FLOAT_TY_DEF_CONSTR:@.+]]([[S_FLOAT_TY]]* [[TEST]])
130 // CHECK: %{{.+}} = bitcast [[CAP_MAIN_TY]]*
131 // CHECK: call void (%{{.+}}*, i{{[0-9]+}}, void (i{{[0-9]+}}*, i{{[0-9]+}}*, ...)*, ...) @__kmpc_fork_call(%{{.+}}* @{{.+}}, i{{[0-9]+}} 1, void (i{{[0-9]+}}*, i{{[0-9]+}}*, ...)* bitcast (void (i{{[0-9]+}}*, i{{[0-9]+}}*, [[CAP_MAIN_TY]]*)* [[MAIN_MICROTASK:@.+]] to void
132 // CHECK: = call i{{.+}} [[TMAIN_INT:@.+]]()
133 // CHECK: call void [[S_FLOAT_TY_DESTR:@.+]]([[S_FLOAT_TY]]*
134 // CHECK: ret
135 //
136 // CHECK: define internal void [[MAIN_MICROTASK]](i{{[0-9]+}}* [[GTID_ADDR:%.+]], i{{[0-9]+}}* %{{.+}}, [[CAP_MAIN_TY]]* %{{.+}})
137 // CHECK: [[T_VAR_PRIV:%.+]] = alloca i{{[0-9]+}},
138 // CHECK: [[VEC_PRIV:%.+]] = alloca [2 x i{{[0-9]+}}],
139 // CHECK: [[S_ARR_PRIV:%.+]] = alloca [2 x [[S_FLOAT_TY]]],
140 // CHECK-NOT: alloca [2 x [[S_FLOAT_TY]]],
141 // CHECK: [[VAR_PRIV:%.+]] = alloca [[S_FLOAT_TY]],
142 // CHECK-NOT: alloca [[S_FLOAT_TY]],
143 // CHECK: store i{{[0-9]+}}* [[GTID_ADDR]], i{{[0-9]+}}** [[GTID_ADDR_REF:%.+]]
144 // CHECK: call i32 @__kmpc_single(
145 // CHECK-NOT: [[T_VAR_PRIV]]
146 // CHECK-NOT: [[VEC_PRIV]]
147 // CHECK: {{.+}}:
148 // CHECK: [[S_ARR_PRIV_ITEM:%.+]] = phi [[S_FLOAT_TY]]*
149 // CHECK: call {{.*}} [[S_FLOAT_TY_DEF_CONSTR]]([[S_FLOAT_TY]]* [[S_ARR_PRIV_ITEM]])
150 // CHECK-NOT: [[T_VAR_PRIV]]
151 // CHECK-NOT: [[VEC_PRIV]]
152 // CHECK: call {{.*}} [[S_FLOAT_TY_DEF_CONSTR]]([[S_FLOAT_TY]]* [[VAR_PRIV]])
153 // CHECK-DAG: call void [[S_FLOAT_TY_DESTR]]([[S_FLOAT_TY]]* [[VAR_PRIV]])
154 // CHECK-DAG: call void [[S_FLOAT_TY_DESTR]]([[S_FLOAT_TY]]*
155 // CHECK: call void @__kmpc_end_single(
156 // CHECK: ret void
157 
158 // CHECK: define {{.*}} i{{[0-9]+}} [[TMAIN_INT]]()
159 // CHECK: [[TEST:%.+]] = alloca [[S_INT_TY]],
160 // CHECK: call {{.*}} [[S_INT_TY_DEF_CONSTR:@.+]]([[S_INT_TY]]* [[TEST]])
161 // CHECK: call void (%{{.+}}*, i{{[0-9]+}}, void (i{{[0-9]+}}*, i{{[0-9]+}}*, ...)*, ...) @__kmpc_fork_call(%{{.+}}* @{{.+}}, i{{[0-9]+}} 1, void (i{{[0-9]+}}*, i{{[0-9]+}}*, ...)* bitcast (void (i{{[0-9]+}}*, i{{[0-9]+}}*, [[CAP_TMAIN_TY]]*)* [[TMAIN_MICROTASK:@.+]] to void
162 // CHECK: call void [[S_INT_TY_DESTR:@.+]]([[S_INT_TY]]*
163 // CHECK: ret
164 //
165 // CHECK: define internal void [[TMAIN_MICROTASK]](i{{[0-9]+}}* [[GTID_ADDR:%.+]], i{{[0-9]+}}* %{{.+}}, [[CAP_TMAIN_TY]]* %{{.+}})
166 // CHECK: alloca i32,
167 // CHECK: alloca i32,
168 // CHECK: alloca i32,
169 // CHECK: alloca i32,
170 // CHECK: alloca i32,
171 // CHECK: [[T_VAR_PRIV:%.+]] = alloca i{{[0-9]+}},
172 // CHECK: [[VEC_PRIV:%.+]] = alloca [2 x i{{[0-9]+}}],
173 // CHECK: [[S_ARR_PRIV:%.+]] = alloca [2 x [[S_INT_TY]]],
174 // CHECK-NOT: alloca [2 x [[S_INT_TY]]],
175 // CHECK: [[VAR_PRIV:%.+]] = alloca [[S_INT_TY]],
176 // CHECK-NOT: alloca [[S_INT_TY]],
177 // CHECK: store i{{[0-9]+}}* [[GTID_ADDR]], i{{[0-9]+}}** [[GTID_ADDR_REF:%.+]]
178 // CHECK-NOT: [[T_VAR_PRIV]]
179 // CHECK-NOT: [[VEC_PRIV]]
180 // CHECK: {{.+}}:
181 // CHECK: [[S_ARR_PRIV_ITEM:%.+]] = phi [[S_INT_TY]]*
182 // CHECK: call {{.*}} [[S_INT_TY_DEF_CONSTR]]([[S_INT_TY]]* [[S_ARR_PRIV_ITEM]])
183 // CHECK-NOT: [[T_VAR_PRIV]]
184 // CHECK-NOT: [[VEC_PRIV]]
185 // CHECK: call {{.*}} [[S_INT_TY_DEF_CONSTR]]([[S_INT_TY]]* [[VAR_PRIV]])
186 // CHECK: call void @__kmpc_for_static_init_4(
187 // CHECK: call void @__kmpc_for_static_fini(
188 // CHECK-DAG: call void [[S_INT_TY_DESTR]]([[S_INT_TY]]* [[VAR_PRIV]])
189 // CHECK-DAG: call void [[S_INT_TY_DESTR]]([[S_INT_TY]]*
190 // CHECK: ret void
191 #endif
192 
193