1 // RUN: %clang_cc1 -verify -fopenmp=libiomp5 -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck %s
2 // RUN: %clang_cc1 -fopenmp=libiomp5 -x c++ -std=c++11 -triple x86_64-unknown-unknown -emit-pch -o %t %s
3 // RUN: %clang_cc1 -fopenmp=libiomp5 -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=libiomp5 -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=libiomp5 -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 { i{{[0-9]+}}*, [2 x i{{[0-9]+}}]*, [2 x [[S_FLOAT_TY]]]*, [[S_FLOAT_TY]]* }
23 // CHECK: [[S_INT_TY:%.+]] = type { i{{[0-9]+}} }
24 // CHECK: [[CAP_TMAIN_TY:%.+]] = type { i{{[0-9]+}}*, [2 x i{{[0-9]+}}]*, [2 x [[S_INT_TY]]]*, [[S_INT_TY]]* }
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 for private(t_var, vec, s_arr, s_arr, var, var)
34   for (int i = 0; i < 2; ++i) {
35     vec[i] = t_var;
36     s_arr[i] = var;
37   }
38   return T();
39 }
40 
41 int main() {
42 #ifdef LAMBDA
43   // LAMBDA: [[G:@.+]] = global double
44   // LAMBDA-LABEL: @main
45   // LAMBDA: call{{( x86_thiscallcc)?}} void [[OUTER_LAMBDA:@.+]](
46   [&]() {
47   // LAMBDA: define{{.*}} internal{{.*}} void [[OUTER_LAMBDA]](
48   // LAMBDA: call void {{.+}} @__kmpc_fork_call({{.+}}, i32 1, {{.+}}* [[OMP_REGION:@.+]] to {{.+}}, i8* %{{.+}})
49 #pragma omp parallel
50 #pragma omp for private(g)
51   for (int i = 0; i < 2; ++i) {
52     // LAMBDA: define{{.*}} internal{{.*}} void [[OMP_REGION]](i32* %{{.+}}, i32* %{{.+}}, %{{.+}}* [[ARG:%.+]])
53     // LAMBDA: [[G_PRIVATE_ADDR:%.+]] = alloca double,
54     // LAMBDA: store %{{.+}}* [[ARG]], %{{.+}}** [[ARG_REF:%.+]],
55     g = 1;
56     // LAMBDA: call void @__kmpc_for_static_init_4(
57     // LAMBDA: store volatile double 1.0{{.+}}, double* [[G_PRIVATE_ADDR]],
58     // LAMBDA: [[G_PRIVATE_ADDR_REF:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* [[ARG:%.+]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
59     // LAMBDA: store double* [[G_PRIVATE_ADDR]], double** [[G_PRIVATE_ADDR_REF]]
60     // LAMBDA: call{{( x86_thiscallcc)?}} void [[INNER_LAMBDA:@.+]](%{{.+}}* [[ARG]])
61     // LAMBDA: call void @__kmpc_for_static_fini(
62     [&]() {
63       // LAMBDA: define {{.+}} void [[INNER_LAMBDA]](%{{.+}}* [[ARG_PTR:%.+]])
64       // LAMBDA: store %{{.+}}* [[ARG_PTR]], %{{.+}}** [[ARG_PTR_REF:%.+]],
65       g = 2;
66       // LAMBDA: [[ARG_PTR:%.+]] = load %{{.+}}*, %{{.+}}** [[ARG_PTR_REF]]
67       // LAMBDA: [[G_PTR_REF:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* [[ARG_PTR]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
68       // LAMBDA: [[G_REF:%.+]] = load double*, double** [[G_PTR_REF]]
69       // LAMBDA: store volatile double 2.0{{.+}}, double* [[G_REF]]
70     }();
71   }
72   }();
73   return 0;
74 #elif defined(BLOCKS)
75   // BLOCKS: [[G:@.+]] = global double
76   // BLOCKS-LABEL: @main
77   // BLOCKS: call void {{%.+}}(i8
78   ^{
79   // BLOCKS: define{{.*}} internal{{.*}} void {{.+}}(i8*
80   // BLOCKS: call void {{.+}} @__kmpc_fork_call({{.+}}, i32 1, {{.+}}* [[OMP_REGION:@.+]] to {{.+}}, i8* {{.+}})
81 #pragma omp parallel
82 #pragma omp for private(g)
83   for (int i = 0; i < 2; ++i) {
84     // BLOCKS: define{{.*}} internal{{.*}} void [[OMP_REGION]](i32* %{{.+}}, i32* %{{.+}}, %{{.+}}* [[ARG:%.+]])
85     // BLOCKS: [[G_PRIVATE_ADDR:%.+]] = alloca double,
86     // BLOCKS: store %{{.+}}* [[ARG]], %{{.+}}** [[ARG_REF:%.+]],
87     g = 1;
88     // BLOCKS: call void @__kmpc_for_static_init_4(
89     // BLOCKS: store volatile double 1.0{{.+}}, double* [[G_PRIVATE_ADDR]],
90     // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
91     // BLOCKS: double* [[G_PRIVATE_ADDR]]
92     // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
93     // BLOCKS: call void {{%.+}}(i8
94     // BLOCKS: call void @__kmpc_for_static_fini(
95     ^{
96       // BLOCKS: define {{.+}} void {{@.+}}(i8*
97       g = 2;
98       // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
99       // BLOCKS: store volatile double 2.0{{.+}}, double*
100       // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
101       // BLOCKS: ret
102     }();
103   }
104   }();
105   return 0;
106 #else
107   S<float> test;
108   int t_var = 0;
109   int vec[] = {1, 2};
110   S<float> s_arr[] = {1, 2};
111   S<float> var(3);
112 #pragma omp parallel
113 #pragma omp for private(t_var, vec, s_arr, s_arr, var, var)
114   for (int i = 0; i < 2; ++i) {
115     vec[i] = t_var;
116     s_arr[i] = var;
117   }
118   int i;
119 #pragma omp parallel
120 #pragma omp for private(i)
121   for (i = 0; i < 2; ++i) {
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-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: call void @__kmpc_for_static_init_4(
154 // CHECK: call void @__kmpc_for_static_fini(
155 // CHECK-DAG: call void [[S_FLOAT_TY_DESTR]]([[S_FLOAT_TY]]* [[VAR_PRIV]])
156 // CHECK-DAG: call void [[S_FLOAT_TY_DESTR]]([[S_FLOAT_TY]]*
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: [[T_VAR_PRIV:%.+]] = alloca i{{[0-9]+}},
168 // CHECK: [[VEC_PRIV:%.+]] = alloca [2 x i{{[0-9]+}}],
169 // CHECK: [[S_ARR_PRIV:%.+]] = alloca [2 x [[S_INT_TY]]],
170 // CHECK-NOT: alloca [2 x [[S_INT_TY]]],
171 // CHECK: [[VAR_PRIV:%.+]] = alloca [[S_INT_TY]],
172 // CHECK-NOT: alloca [[S_INT_TY]],
173 // CHECK: store i{{[0-9]+}}* [[GTID_ADDR]], i{{[0-9]+}}** [[GTID_ADDR_REF:%.+]]
174 // CHECK-NOT: [[T_VAR_PRIV]]
175 // CHECK-NOT: [[VEC_PRIV]]
176 // CHECK: {{.+}}:
177 // CHECK: [[S_ARR_PRIV_ITEM:%.+]] = phi [[S_INT_TY]]*
178 // CHECK: call {{.*}} [[S_INT_TY_DEF_CONSTR]]([[S_INT_TY]]* [[S_ARR_PRIV_ITEM]])
179 // CHECK-NOT: [[T_VAR_PRIV]]
180 // CHECK-NOT: [[VEC_PRIV]]
181 // CHECK: call {{.*}} [[S_INT_TY_DEF_CONSTR]]([[S_INT_TY]]* [[VAR_PRIV]])
182 // CHECK: call void @__kmpc_for_static_init_4(
183 // CHECK: call void @__kmpc_for_static_fini(
184 // CHECK-DAG: call void [[S_INT_TY_DESTR]]([[S_INT_TY]]* [[VAR_PRIV]])
185 // CHECK-DAG: call void [[S_INT_TY_DESTR]]([[S_INT_TY]]*
186 // CHECK: ret void
187 #endif
188 
189