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 
7 // RUN: %clang_cc1 -verify -fopenmp-simd -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck --check-prefix SIMD-ONLY0 %s
8 // RUN: %clang_cc1 -fopenmp-simd -x c++ -std=c++11 -triple x86_64-unknown-unknown -emit-pch -o %t %s
9 // RUN: %clang_cc1 -fopenmp-simd -x c++ -triple x86_64-unknown-unknown -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck --check-prefix SIMD-ONLY0 %s
10 // RUN: %clang_cc1 -verify -fopenmp-simd -x c++ -std=c++11 -DLAMBDA -triple %itanium_abi_triple -emit-llvm %s -o - | FileCheck --check-prefix SIMD-ONLY0 %s
11 // RUN: %clang_cc1 -verify -fopenmp-simd -x c++ -fblocks -DBLOCKS -triple %itanium_abi_triple -emit-llvm %s -o - | FileCheck --check-prefix SIMD-ONLY0 %s
12 // SIMD-ONLY0-NOT: {{__kmpc|__tgt}}
13 // expected-no-diagnostics
14 #ifndef HEADER
15 #define HEADER
16 
17 template <class T>
18 struct S {
19   T f;
SS20   S(T a) : f(a) {}
SS21   S() : f() {}
operator TS22   operator T() { return T(); }
~SS23   ~S() {}
24 };
25 
26 volatile double g;
27 
28 // CHECK: [[S_FLOAT_TY:%.+]] = type { float }
29 // CHECK: [[S_INT_TY:%.+]] = type { i{{[0-9]+}} }
30 template <typename T>
tmain()31 T tmain() {
32   S<T> test;
33   T t_var = T();
34   T vec[] = {1, 2};
35   S<T> s_arr[] = {1, 2};
36   S<T> var(3);
37 #pragma omp parallel
38 #pragma omp sections private(t_var, vec, s_arr, s_arr, var, var)
39   {
40     vec[0] = t_var;
41 #pragma omp section
42     s_arr[0] = var;
43   }
44   return T();
45 }
46 
main()47 int main() {
48   static int sivar;
49 #ifdef LAMBDA
50   // LAMBDA: [[G:@.+]] = {{(dso_local )?}}global double
51   // LAMBDA-LABEL: @main
52   // LAMBDA: call{{.*}} void [[OUTER_LAMBDA:@.+]](
53   [&]() {
54   // LAMBDA: define{{.*}} internal{{.*}} void [[OUTER_LAMBDA]](
55   // LAMBDA: call {{.*}}void {{.+}} @__kmpc_fork_call({{.+}}, i32 0, {{.+}}* [[OMP_REGION:@.+]] to {{.+}})
56 #pragma omp parallel
57 #pragma omp sections private(g, sivar)
58   {
59     // LAMBDA: define{{.*}} internal{{.*}} void [[OMP_REGION]](i32* noalias %{{.+}}, i32* noalias %{{.+}})
60     // LAMBDA: [[G_PRIVATE_ADDR:%.+]] = alloca double,
61     // LAMBDA: [[SIVAR_PRIVATE_ADDR:%.+]] = alloca i{{[0-9]+}},
62     {
63       g = 1;
64       sivar = 11;
65     }
66     // LAMBDA: call {{.*}}void @__kmpc_for_static_init_4(
67     // LAMBDA: store double 1.0{{.+}}, double* [[G_PRIVATE_ADDR]],
68     // LAMBDA: store i{{[0-9]+}} 11, i{{[0-9]+}}* [[SIVAR_PRIVATE_ADDR]],
69     // LAMBDA: [[G_PRIVATE_ADDR_REF:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* [[ARG:%.+]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
70     // LAMBDA: store double* [[G_PRIVATE_ADDR]], double** [[G_PRIVATE_ADDR_REF]]
71     // LAMBDA: [[SIVAR_PRIVATE_ADDR_REF:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* [[ARG:%.+]], i{{[0-9]+}} 0, i{{[0-9]+}} 1
72     // LAMBDA: store i{{[0-9]+}}* [[SIVAR_PRIVATE_ADDR]], i{{[0-9]+}}** [[SIVAR_PRIVATE_ADDR_REF]]
73     // LAMBDA: call{{.*}} void [[INNER_LAMBDA:@.+]](%{{.+}}* [[ARG]])
74     // LAMBDA: call {{.*}}void @__kmpc_for_static_fini(
75 #pragma omp section
76     [&]() {
77       // LAMBDA: define {{.+}} void [[INNER_LAMBDA]](%{{.+}}* [[ARG_PTR:%.+]])
78       // LAMBDA: store %{{.+}}* [[ARG_PTR]], %{{.+}}** [[ARG_PTR_REF:%.+]],
79       g = 2;
80       sivar = 22;
81       // LAMBDA: [[ARG_PTR:%.+]] = load %{{.+}}*, %{{.+}}** [[ARG_PTR_REF]]
82 
83       // LAMBDA: [[G_PTR_REF:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* [[ARG_PTR]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
84       // LAMBDA: [[G_REF:%.+]] = load double*, double** [[G_PTR_REF]]
85       // LAMBDA: store double 2.0{{.+}}, double* [[G_REF]]
86 
87       // LAMBDA: [[SIVAR_PTR_REF:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* [[ARG_PTR]], i{{[0-9]+}} 0, i{{[0-9]+}} 1
88       // LAMBDA: [[SIVAR_REF:%.+]] = load i{{[0-9]+}}*, i{{[0-9]+}}** [[SIVAR_PTR_REF]]
89       // LAMBDA: store i{{[0-9]+}} 22, i{{[0-9]+}}* [[SIVAR_REF]]
90     }();
91   }
92   }();
93   return 0;
94 #elif defined(BLOCKS)
95   // BLOCKS: [[G:@.+]] = {{(dso_local )?}}global double
96   // BLOCKS-LABEL: @main
97   // BLOCKS: call {{.*}}void {{%.+}}(i8
98   ^{
99   // BLOCKS: define{{.*}} internal{{.*}} void {{.+}}(i8*
100   // BLOCKS: call {{.*}}void {{.+}} @__kmpc_fork_call({{.+}}, i32 0, {{.+}}* [[OMP_REGION:@.+]] to {{.+}})
101 #pragma omp parallel
102 #pragma omp sections private(g, sivar)
103     {
104     // BLOCKS: define{{.*}} internal{{.*}} void [[OMP_REGION]](i32* noalias %{{.+}}, i32* noalias %{{.+}})
105     // BLOCKS: [[G_PRIVATE_ADDR:%.+]] = alloca double,
106     // BLOCKS: [[SIVAR_PRIVATE_ADDR:%.+]] = alloca i{{[0-9]+}},
107     {
108       g = 1;
109       sivar = 111;
110     }
111     // BLOCKS: call {{.*}}void @__kmpc_for_static_init_4(
112     // BLOCKS: store double 1.0{{.+}}, double* [[G_PRIVATE_ADDR]],
113     // BLOCKS: store i{{[0-9]+}} 111, i{{[0-9]+}}* [[SIVAR_PRIVATE_ADDR]],
114     // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
115     // BLOCKS: double* [[G_PRIVATE_ADDR]]
116     // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
117     // BLOCKS-NOT: [[SIVAR]]{{[[^:word:]]}}
118     // BLOCKS: i{{[0-9]+}}* [[SIVAR_PRIVATE_ADDR]]
119     // BLOCKS-NOT: [[SIVAR]]{{[[^:word:]]}}
120     // BLOCKS: call {{.*}}void {{%.+}}(i8
121     // BLOCKS: call {{.*}}void @__kmpc_for_static_fini(
122 #pragma omp section
123     ^{
124       // BLOCKS: define {{.+}} void {{@.+}}(i8*
125       g = 2;
126       sivar = 222;
127       // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
128       // BLOCKS: store double 2.0{{.+}}, double*
129       // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
130       // BLOCKS-NOT: [[SIVAR]]{{[[^:word:]]}}
131       // BLOCKS: store i{{[0-9]+}} 222, i{{[0-9]+}}*
132       // BLOCKS-NOT: [[SIVAR]]{{[[^:word:]]}}
133       // BLOCKS: ret
134     }();
135   }
136   }();
137   return 0;
138 #else
139   S<float> test;
140   int t_var = 0;
141   int vec[] = {1, 2};
142   S<float> s_arr[] = {1, 2};
143   S<float> var(3);
144 #pragma omp parallel
145 #pragma omp sections private(t_var, vec, s_arr, s_arr, var, var, sivar)
146   {
147     {
148     vec[0] = t_var;
149     s_arr[0] = var;
150     sivar = 2;
151     }
152   }
153   return tmain<int>();
154 #endif
155 }
156 
157 // CHECK: define i{{[0-9]+}} @main()
158 // CHECK: [[TEST:%.+]] = alloca [[S_FLOAT_TY]],
159 // CHECK: call {{.*}} [[S_FLOAT_TY_DEF_CONSTR:@.+]]([[S_FLOAT_TY]]* [[TEST]])
160 // CHECK: call void (%{{.+}}*, i{{[0-9]+}}, void (i{{[0-9]+}}*, i{{[0-9]+}}*, ...)*, ...) @__kmpc_fork_call(%{{.+}}* @{{.+}}, i{{[0-9]+}} 0, void (i{{[0-9]+}}*, i{{[0-9]+}}*, ...)* bitcast (void (i{{[0-9]+}}*, i{{[0-9]+}}*)* [[MAIN_MICROTASK:@.+]] to void
161 // CHECK: = call i{{.+}} [[TMAIN_INT:@.+]]()
162 // CHECK: call void [[S_FLOAT_TY_DESTR:@.+]]([[S_FLOAT_TY]]*
163 // CHECK: ret
164 //
165 // CHECK: define internal void [[MAIN_MICROTASK]](i{{[0-9]+}}* noalias [[GTID_ADDR:%.+]], i{{[0-9]+}}* noalias %{{.+}})
166 // CHECK: alloca i{{[0-9]+}},
167 // CHECK: alloca i{{[0-9]+}},
168 // CHECK: alloca i{{[0-9]+}},
169 // CHECK: alloca i{{[0-9]+}},
170 // CHECK: alloca i{{[0-9]+}},
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_FLOAT_TY]]],
174 // CHECK-NOT: alloca [2 x [[S_FLOAT_TY]]],
175 // CHECK: [[VAR_PRIV:%.+]] = alloca [[S_FLOAT_TY]],
176 // CHECK: [[SIVAR_PRIV:%.+]] = alloca i{{[0-9]+}},
177 // CHECK-NOT: alloca [[S_FLOAT_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-NOT: [[SIVAR_PRIV]]
182 // CHECK: {{.+}}:
183 // CHECK: [[S_ARR_PRIV_ITEM:%.+]] = phi [[S_FLOAT_TY]]*
184 // CHECK: call {{.*}} [[S_FLOAT_TY_DEF_CONSTR]]([[S_FLOAT_TY]]* [[S_ARR_PRIV_ITEM]])
185 // CHECK-NOT: [[T_VAR_PRIV]]
186 // CHECK-NOT: [[VEC_PRIV]]
187 // CHECK: call {{.*}} [[S_FLOAT_TY_DEF_CONSTR]]([[S_FLOAT_TY]]* [[VAR_PRIV]])
188 
189 // CHECK: call void @__kmpc_for_static_init_4(
190 // CHECK: call void @__kmpc_for_static_fini(
191 
192 // CHECK-DAG: call void [[S_FLOAT_TY_DESTR]]([[S_FLOAT_TY]]* [[VAR_PRIV]])
193 // CHECK-DAG: call void [[S_FLOAT_TY_DESTR]]([[S_FLOAT_TY]]*
194 // CHECK: call void @__kmpc_barrier(
195 // CHECK: ret void
196 
197 // CHECK: define {{.*}} i{{[0-9]+}} [[TMAIN_INT]]()
198 // CHECK: [[TEST:%.+]] = alloca [[S_INT_TY]],
199 // CHECK: call {{.*}} [[S_INT_TY_DEF_CONSTR:@.+]]([[S_INT_TY]]* [[TEST]])
200 // CHECK: call void (%{{.+}}*, i{{[0-9]+}}, void (i{{[0-9]+}}*, i{{[0-9]+}}*, ...)*, ...) @__kmpc_fork_call(%{{.+}}* @{{.+}}, i{{[0-9]+}} 0, void (i{{[0-9]+}}*, i{{[0-9]+}}*, ...)* bitcast (void (i{{[0-9]+}}*, i{{[0-9]+}}*)* [[TMAIN_MICROTASK:@.+]] to void
201 // CHECK: call void [[S_INT_TY_DESTR:@.+]]([[S_INT_TY]]*
202 // CHECK: ret
203 //
204 // CHECK: define internal void [[TMAIN_MICROTASK]](i{{[0-9]+}}* noalias [[GTID_ADDR:%.+]], i{{[0-9]+}}* noalias %{{.+}})
205 // CHECK: alloca i32,
206 // CHECK: alloca i32,
207 // CHECK: alloca i32,
208 // CHECK: alloca i32,
209 // CHECK: alloca i32,
210 // CHECK: [[T_VAR_PRIV:%.+]] = alloca i{{[0-9]+}},
211 // CHECK: [[VEC_PRIV:%.+]] = alloca [2 x i{{[0-9]+}}],
212 // CHECK: [[S_ARR_PRIV:%.+]] = alloca [2 x [[S_INT_TY]]],
213 // CHECK-NOT: alloca [2 x [[S_INT_TY]]],
214 // CHECK: [[VAR_PRIV:%.+]] = alloca [[S_INT_TY]],
215 // CHECK-NOT: alloca [[S_INT_TY]],
216 // CHECK: store i{{[0-9]+}}* [[GTID_ADDR]], i{{[0-9]+}}** [[GTID_ADDR_REF:%.+]]
217 // CHECK-NOT: [[T_VAR_PRIV]]
218 // CHECK-NOT: [[VEC_PRIV]]
219 // CHECK: {{.+}}:
220 // CHECK: [[S_ARR_PRIV_ITEM:%.+]] = phi [[S_INT_TY]]*
221 // CHECK: call {{.*}} [[S_INT_TY_DEF_CONSTR]]([[S_INT_TY]]* [[S_ARR_PRIV_ITEM]])
222 // CHECK-NOT: [[T_VAR_PRIV]]
223 // CHECK-NOT: [[VEC_PRIV]]
224 // CHECK: call {{.*}} [[S_INT_TY_DEF_CONSTR]]([[S_INT_TY]]* [[VAR_PRIV]])
225 // CHECK: call void @__kmpc_for_static_init_4(
226 // CHECK: call void @__kmpc_for_static_fini(
227 // CHECK-DAG: call void [[S_INT_TY_DESTR]]([[S_INT_TY]]* [[VAR_PRIV]])
228 // CHECK-DAG: call void [[S_INT_TY_DESTR]]([[S_INT_TY]]*
229 // CHECK: ret void
230 #endif
231 
232