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 // REQUIRES: x86-registered-target
8 #ifndef HEADER
9 #define HEADER
10 
11 template <class T>
12 struct S {
13   T f;
14   S(T a) : f(a) {}
15   S() : f() {}
16   operator T() { return T(); }
17   ~S() {}
18 };
19 
20 volatile double g;
21 
22 // CHECK: [[S_FLOAT_TY:%.+]] = type { float }
23 // CHECK: [[CAP_MAIN_TY:%.+]] = type { i8 }
24 // CHECK: [[S_INT_TY:%.+]] = type { i{{[0-9]+}} }
25 // CHECK: [[CAP_TMAIN_TY:%.+]] = type { i8 }
26 template <typename T>
27 T tmain() {
28   S<T> test;
29   T t_var = T();
30   T vec[] = {1, 2};
31   S<T> s_arr[] = {1, 2};
32   S<T> var(3);
33 #pragma omp parallel
34 #pragma omp sections private(t_var, vec, s_arr, s_arr, var, var)
35   {
36     vec[0] = t_var;
37 #pragma omp section
38     s_arr[0] = var;
39   }
40   return T();
41 }
42 
43 int main() {
44 #ifdef LAMBDA
45   // LAMBDA: [[G:@.+]] = global double
46   // LAMBDA-LABEL: @main
47   // LAMBDA: call{{.*}} void [[OUTER_LAMBDA:@.+]](
48   [&]() {
49   // LAMBDA: define{{.*}} internal{{.*}} void [[OUTER_LAMBDA]](
50   // LAMBDA: call {{.*}}void {{.+}} @__kmpc_fork_call({{.+}}, i32 1, {{.+}}* [[OMP_REGION:@.+]] to {{.+}}, i8* %{{.+}})
51 #pragma omp parallel
52 #pragma omp sections private(g)
53   {
54     // LAMBDA: define{{.*}} internal{{.*}} void [[OMP_REGION]](i32* %{{.+}}, i32* %{{.+}}, %{{.+}}* [[ARG:%.+]])
55     // LAMBDA: [[G_PRIVATE_ADDR:%.+]] = alloca double,
56     // LAMBDA: store %{{.+}}* [[ARG]], %{{.+}}** [[ARG_REF:%.+]],
57     g = 1;
58     // LAMBDA: call {{.*}}void @__kmpc_for_static_init_4(
59     // LAMBDA: store volatile double 1.0{{.+}}, double* [[G_PRIVATE_ADDR]],
60     // LAMBDA: [[G_PRIVATE_ADDR_REF:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* [[ARG:%.+]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
61     // LAMBDA: store double* [[G_PRIVATE_ADDR]], double** [[G_PRIVATE_ADDR_REF]]
62     // LAMBDA: call{{.*}} void [[INNER_LAMBDA:@.+]](%{{.+}}* [[ARG]])
63     // LAMBDA: call {{.*}}void @__kmpc_for_static_fini(
64 #pragma omp section
65     [&]() {
66       // LAMBDA: define {{.+}} void [[INNER_LAMBDA]](%{{.+}}* [[ARG_PTR:%.+]])
67       // LAMBDA: store %{{.+}}* [[ARG_PTR]], %{{.+}}** [[ARG_PTR_REF:%.+]],
68       g = 2;
69       // LAMBDA: [[ARG_PTR:%.+]] = load %{{.+}}*, %{{.+}}** [[ARG_PTR_REF]]
70       // LAMBDA: [[G_PTR_REF:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* [[ARG_PTR]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
71       // LAMBDA: [[G_REF:%.+]] = load double*, double** [[G_PTR_REF]]
72       // LAMBDA: store volatile double 2.0{{.+}}, double* [[G_REF]]
73     }();
74   }
75   }();
76   return 0;
77 #elif defined(BLOCKS)
78   // BLOCKS: [[G:@.+]] = global double
79   // BLOCKS-LABEL: @main
80   // BLOCKS: call {{.*}}void {{%.+}}(i8
81   ^{
82   // BLOCKS: define{{.*}} internal{{.*}} void {{.+}}(i8*
83   // BLOCKS: call {{.*}}void {{.+}} @__kmpc_fork_call({{.+}}, i32 1, {{.+}}* [[OMP_REGION:@.+]] to {{.+}}, i8* {{.+}})
84 #pragma omp parallel
85 #pragma omp sections private(g)
86     {
87     // BLOCKS: define{{.*}} internal{{.*}} void [[OMP_REGION]](i32* %{{.+}}, i32* %{{.+}}, %{{.+}}* [[ARG:%.+]])
88     // BLOCKS: [[G_PRIVATE_ADDR:%.+]] = alloca double,
89     // BLOCKS: store %{{.+}}* [[ARG]], %{{.+}}** [[ARG_REF:%.+]],
90     g = 1;
91     // BLOCKS: call {{.*}}void @__kmpc_for_static_init_4(
92     // BLOCKS: store volatile double 1.0{{.+}}, double* [[G_PRIVATE_ADDR]],
93     // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
94     // BLOCKS: double* [[G_PRIVATE_ADDR]]
95     // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
96     // BLOCKS: call {{.*}}void {{%.+}}(i8
97     // BLOCKS: call {{.*}}void @__kmpc_for_static_fini(
98 #pragma omp section
99     ^{
100       // BLOCKS: define {{.+}} void {{@.+}}(i8*
101       g = 2;
102       // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
103       // BLOCKS: store volatile double 2.0{{.+}}, double*
104       // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
105       // BLOCKS: ret
106     }();
107   }
108   }();
109   return 0;
110 #else
111   S<float> test;
112   int t_var = 0;
113   int vec[] = {1, 2};
114   S<float> s_arr[] = {1, 2};
115   S<float> var(3);
116 #pragma omp parallel
117 #pragma omp sections private(t_var, vec, s_arr, s_arr, var, var)
118   {
119     {
120     vec[0] = t_var;
121     s_arr[0] = var;
122     }
123   }
124   return tmain<int>();
125 #endif
126 }
127 
128 // CHECK: define i{{[0-9]+}} @main()
129 // CHECK: [[TEST:%.+]] = alloca [[S_FLOAT_TY]],
130 // CHECK: call {{.*}} [[S_FLOAT_TY_DEF_CONSTR:@.+]]([[S_FLOAT_TY]]* [[TEST]])
131 // CHECK: %{{.+}} = bitcast [[CAP_MAIN_TY]]*
132 // 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
133 // CHECK: = call i{{.+}} [[TMAIN_INT:@.+]]()
134 // CHECK: call void [[S_FLOAT_TY_DESTR:@.+]]([[S_FLOAT_TY]]*
135 // CHECK: ret
136 //
137 // CHECK: define internal void [[MAIN_MICROTASK]](i{{[0-9]+}}* [[GTID_ADDR:%.+]], i{{[0-9]+}}* %{{.+}}, [[CAP_MAIN_TY]]* %{{.+}})
138 // CHECK: [[T_VAR_PRIV:%.+]] = alloca i{{[0-9]+}},
139 // CHECK: [[VEC_PRIV:%.+]] = alloca [2 x i{{[0-9]+}}],
140 // CHECK: [[S_ARR_PRIV:%.+]] = alloca [2 x [[S_FLOAT_TY]]],
141 // CHECK-NOT: alloca [2 x [[S_FLOAT_TY]]],
142 // CHECK: [[VAR_PRIV:%.+]] = alloca [[S_FLOAT_TY]],
143 // CHECK-NOT: alloca [[S_FLOAT_TY]],
144 // CHECK: store i{{[0-9]+}}* [[GTID_ADDR]], i{{[0-9]+}}** [[GTID_ADDR_REF:%.+]]
145 // CHECK: call i32 @__kmpc_single(
146 // CHECK-NOT: [[T_VAR_PRIV]]
147 // CHECK-NOT: [[VEC_PRIV]]
148 // CHECK: {{.+}}:
149 // CHECK: [[S_ARR_PRIV_ITEM:%.+]] = phi [[S_FLOAT_TY]]*
150 // CHECK: call {{.*}} [[S_FLOAT_TY_DEF_CONSTR]]([[S_FLOAT_TY]]* [[S_ARR_PRIV_ITEM]])
151 // CHECK-NOT: [[T_VAR_PRIV]]
152 // CHECK-NOT: [[VEC_PRIV]]
153 // CHECK: call {{.*}} [[S_FLOAT_TY_DEF_CONSTR]]([[S_FLOAT_TY]]* [[VAR_PRIV]])
154 // CHECK-DAG: call void [[S_FLOAT_TY_DESTR]]([[S_FLOAT_TY]]* [[VAR_PRIV]])
155 // CHECK-DAG: call void [[S_FLOAT_TY_DESTR]]([[S_FLOAT_TY]]*
156 // CHECK: call void @__kmpc_end_single(
157 // CHECK: ret void
158 
159 // CHECK: define {{.*}} i{{[0-9]+}} [[TMAIN_INT]]()
160 // CHECK: [[TEST:%.+]] = alloca [[S_INT_TY]],
161 // CHECK: call {{.*}} [[S_INT_TY_DEF_CONSTR:@.+]]([[S_INT_TY]]* [[TEST]])
162 // 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
163 // CHECK: call void [[S_INT_TY_DESTR:@.+]]([[S_INT_TY]]*
164 // CHECK: ret
165 //
166 // CHECK: define internal void [[TMAIN_MICROTASK]](i{{[0-9]+}}* [[GTID_ADDR:%.+]], i{{[0-9]+}}* %{{.+}}, [[CAP_TMAIN_TY]]* %{{.+}})
167 // CHECK: alloca i32,
168 // CHECK: alloca i32,
169 // CHECK: alloca i32,
170 // CHECK: alloca i32,
171 // CHECK: alloca i32,
172 // CHECK: [[T_VAR_PRIV:%.+]] = alloca i{{[0-9]+}},
173 // CHECK: [[VEC_PRIV:%.+]] = alloca [2 x i{{[0-9]+}}],
174 // CHECK: [[S_ARR_PRIV:%.+]] = alloca [2 x [[S_INT_TY]]],
175 // CHECK-NOT: alloca [2 x [[S_INT_TY]]],
176 // CHECK: [[VAR_PRIV:%.+]] = alloca [[S_INT_TY]],
177 // CHECK-NOT: alloca [[S_INT_TY]],
178 // CHECK: store i{{[0-9]+}}* [[GTID_ADDR]], i{{[0-9]+}}** [[GTID_ADDR_REF:%.+]]
179 // CHECK-NOT: [[T_VAR_PRIV]]
180 // CHECK-NOT: [[VEC_PRIV]]
181 // CHECK: {{.+}}:
182 // CHECK: [[S_ARR_PRIV_ITEM:%.+]] = phi [[S_INT_TY]]*
183 // CHECK: call {{.*}} [[S_INT_TY_DEF_CONSTR]]([[S_INT_TY]]* [[S_ARR_PRIV_ITEM]])
184 // CHECK-NOT: [[T_VAR_PRIV]]
185 // CHECK-NOT: [[VEC_PRIV]]
186 // CHECK: call {{.*}} [[S_INT_TY_DEF_CONSTR]]([[S_INT_TY]]* [[VAR_PRIV]])
187 // CHECK: call void @__kmpc_for_static_init_4(
188 // CHECK: call void @__kmpc_for_static_fini(
189 // CHECK-DAG: call void [[S_INT_TY_DESTR]]([[S_INT_TY]]* [[VAR_PRIV]])
190 // CHECK-DAG: call void [[S_INT_TY_DESTR]]([[S_INT_TY]]*
191 // CHECK: ret void
192 #endif
193 
194