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;
20   S(T a) : f(a) {}
21   S() : f() {}
22   operator T() { return T(); }
23   ~S() {}
24 };
25 
26 volatile double g;
27 volatile double &g1 = g;
28 
29 // CHECK: [[S_FLOAT_TY:%.+]] = type { float }
30 // CHECK: [[S_INT_TY:%.+]] = type { i{{[0-9]+}} }
31 template <typename T>
32 T tmain() {
33   S<T> test;
34   T t_var = T();
35   T vec[] = {1, 2};
36   S<T> s_arr[] = {1, 2};
37   S<T> &var = test;
38 #pragma omp parallel
39 #pragma omp for private(t_var, vec, s_arr, s_arr, var, var)
40   for (int i = 0; i < 2; ++i) {
41     vec[i] = t_var;
42     s_arr[i] = var;
43   }
44   return T();
45 }
46 
47 int main() {
48   static int svar;
49 #ifdef LAMBDA
50   // LAMBDA: [[G:@.+]] = {{(dso_local )?}}global double
51   // LAMBDA-LABEL: @main
52   // LAMBDA: call{{.*}} void [[OUTER_LAMBDA:@.+]](
53   [&]() {
54   static float sfvar;
55   // LAMBDA: define{{.*}} internal{{.*}} void [[OUTER_LAMBDA]](
56   // LAMBDA: call {{.*}}void {{.+}} @__kmpc_fork_call({{.+}}, i32 0, {{.+}}* [[OMP_REGION:@.+]] to {{.+}})
57 #pragma omp parallel
58 #pragma omp for private(g, g1, svar, sfvar)
59   for (int i = 0; i < 2; ++i) {
60     // LAMBDA: define{{.*}} internal{{.*}} void [[OMP_REGION]](i32* noalias %{{.+}}, i32* noalias %{{.+}})
61     // LAMBDA: [[G_PRIVATE_ADDR:%.+]] = alloca double,
62     // LAMBDA: [[G1_PRIVATE_ADDR:%.+]] = alloca double,
63     // LAMBDA: [[G1_PRIVATE_REF:%.+]] = alloca double*,
64     // LAMBDA: [[SVAR_PRIVATE_ADDR:%.+]] = alloca i{{[0-9]+}},
65     // LAMBDA: [[SFVAR_PRIVATE_ADDR:%.+]] = alloca float,
66     g = 1;
67     g1 = 1;
68     svar = 3;
69     sfvar = 4.0;
70     // LAMBDA: call {{.*}}void @__kmpc_for_static_init_4(
71     // LAMBDA: store double 1.0{{.+}}, double* [[G_PRIVATE_ADDR]],
72     // LAMBDA: [[G1_PRIVATE_ADDR:%.+]] = load double*, double** [[G1_PRIVATE_REF]],
73     // LAMBDA: store volatile double 1.0{{.+}}, double* [[G1_PRIVATE_ADDR]],
74     // LAMBDA: store i{{[0-9]+}} 3, i{{[0-9]+}}* [[SVAR_PRIVATE_ADDR]],
75     // LAMBDA: store float 4.0{{.+}}, float* [[SFVAR_PRIVATE_ADDR]],
76     // LAMBDA: [[G_PRIVATE_ADDR_REF:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* [[ARG:%.+]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
77     // LAMBDA: store double* [[G_PRIVATE_ADDR]], double** [[G_PRIVATE_ADDR_REF]]
78     // LAMBDA: [[G1_PRIVATE_ADDR_REF:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* [[ARG:%.+]], i{{[0-9]+}} 0, i{{[0-9]+}} 1
79     // LAMBDA: [[G1_PRIVATE_ADDR:%.+]] = load double*, double** [[G1_PRIVATE_REF]],
80     // LAMBDA: store double* [[G1_PRIVATE_ADDR]], double** [[G1_PRIVATE_ADDR_REF]]
81     // LAMBDA: [[SVAR_PRIVATE_ADDR_REF:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* [[ARG:%.+]], i{{[0-9]+}} 0, i{{[0-9]+}} 2
82     // LAMBDA: store i{{[0-9]+}}* [[SVAR_PRIVATE_ADDR]], i{{[0-9]+}}** [[SVAR_PRIVATE_ADDR_REF]]
83     // LAMBDA: [[SFVAR_PRIVATE_ADDR_REF:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* [[ARG:%.+]], i{{[0-9]+}} 0, i{{[0-9]+}} 3
84     // LAMBDA: store float* [[SFVAR_PRIVATE_ADDR]], float** [[SFVAR_PRIVATE_ADDR_REF]]
85     // LAMBDA: call{{.*}} void [[INNER_LAMBDA:@.+]](%{{.+}}* {{[^,]*}} [[ARG]])
86     // LAMBDA: call {{.*}}void @__kmpc_for_static_fini(
87     [&]() {
88       // LAMBDA: define {{.+}} void [[INNER_LAMBDA]](%{{.+}}* {{[^,]*}} [[ARG_PTR:%.+]])
89       // LAMBDA: store %{{.+}}* [[ARG_PTR]], %{{.+}}** [[ARG_PTR_REF:%.+]],
90       g = 2;
91       g1 = 2;
92       svar = 4;
93       sfvar = 8.0;
94       // LAMBDA: [[ARG_PTR:%.+]] = load %{{.+}}*, %{{.+}}** [[ARG_PTR_REF]]
95       // LAMBDA: [[G_PTR_REF:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* [[ARG_PTR]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
96       // LAMBDA: [[G_REF:%.+]] = load double*, double** [[G_PTR_REF]]
97       // LAMBDA: store double 2.0{{.+}}, double* [[G_REF]]
98       // LAMBDA: [[G1_PTR_REF:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* [[ARG_PTR]], i{{[0-9]+}} 0, i{{[0-9]+}} 1
99       // LAMBDA: [[G1_REF:%.+]] = load double*, double** [[G1_PTR_REF]]
100       // LAMBDA: store double 2.0{{.+}}, double* [[G1_REF]]
101       // LAMBDA: [[SVAR_PTR_REF:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* [[ARG_PTR]], i{{[0-9]+}} 0, i{{[0-9]+}} 2
102       // LAMBDA: [[SVAR_REF:%.+]] = load i{{[0-9]+}}*, i{{[0-9]+}}** [[SVAR_PTR_REF]]
103       // LAMBDA: store i{{[0-9]+}} 4, i{{[0-9]+}}* [[SVAR_REF]]
104       // LAMBDA: [[SFVAR_PTR_REF:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* [[ARG_PTR]], i{{[0-9]+}} 0, i{{[0-9]+}} 3
105       // LAMBDA: [[SFVAR_REF:%.+]] = load float*, float** [[SFVAR_PTR_REF]]
106       // LAMBDA: store float 8.0{{.+}}, float* [[SFVAR_REF]]
107     }();
108   }
109   }();
110   return 0;
111 #elif defined(BLOCKS)
112   // BLOCKS: [[G:@.+]] = {{(dso_local )?}}global double
113   // BLOCKS: [[SVAR:@.+]] = internal global i{{[0-9]+}} 0,
114   // BLOCKS: [[SFVAR:@.+]] = internal global float 0.000000e+00,
115   // BLOCKS-LABEL: @main
116   // BLOCKS: call {{.*}}void {{%.+}}(i8
117   ^{
118   static float sfvar;
119   // BLOCKS: define{{.*}} internal{{.*}} void {{.+}}(i8*
120   // BLOCKS: call {{.*}}void {{.+}} @__kmpc_fork_call({{.+}}, i32 0, {{.+}}* [[OMP_REGION:@.+]] to {{.+}})
121 #pragma omp parallel
122 #pragma omp for private(g, g1, svar, sfvar)
123   for (int i = 0; i < 2; ++i) {
124     // BLOCKS: define{{.*}} internal{{.*}} void [[OMP_REGION]](i32* noalias %{{.+}}, i32* noalias %{{.+}})
125     // BLOCKS: [[G_PRIVATE_ADDR:%.+]] = alloca double,
126     // BLOCKS: [[SVAR_PRIVATE_ADDR:%.+]] = alloca i{{[0-9]+}},
127     // BLOCKS: [[SFVAR_PRIVATE_ADDR:%.+]] = alloca float,
128     g = 1;
129     g1 = 1;
130     svar = 2;
131     sfvar = 3.0;
132     // BLOCKS: call {{.*}}void @__kmpc_for_static_init_4(
133     // BLOCKS: store double 1.0{{.+}}, double* [[G_PRIVATE_ADDR]],
134     // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
135     // BLOCKS: store i{{[0-9]+}} 2, i{{[0-9]+}}* [[SVAR_PRIVATE_ADDR]],
136     // BLOCKS-NOT: [[SVAR]]{{[[^:word:]]}}
137     // BLOCKS: store float 3.0{{.+}}, float* [[SFVAR_PRIVATE_ADDR]],
138     // BLOCKS-NOT: [[SFVAR]]{{[[^:word:]]}}
139     // BLOCKS: double* [[G_PRIVATE_ADDR]]
140     // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
141     // BLOCKS: i{{[0-9]+}}* [[SVAR_PRIVATE_ADDR]]
142     // BLOCKS-NOT: [[SVAR]]{{[[^:word:]]}}
143     // BLOCKS: float* [[SFVAR_PRIVATE_ADDR]]
144     // BLOCKS-NOT: [[SFVAR]]{{[[^:word:]]}}
145     // BLOCKS: call {{.*}}void {{%.+}}(i8
146     // BLOCKS: call {{.*}}void @__kmpc_for_static_fini(
147     ^{
148       // BLOCKS: define {{.+}} void {{@.+}}(i8*
149       g = 2;
150       g1 = 2;
151       svar = 4;
152       sfvar = 9.0;
153       // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
154       // BLOCKS: store double 2.0{{.+}}, double*
155       // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
156       // BLOCKS-NOT: [[SVAR]]{{[[^:word:]]}}
157       // BLOCKS: store i{{[0-9]+}} 4, i{{[0-9]+}}*
158       // BLOCKS-NOT: [[SVAR]]{{[[^:word:]]}}
159       // BLOCKS-NOT: [[SFVAR]]{{[[^:word:]]}}
160       // BLOCKS: store float 9.0{{.+}}, float*
161       // BLOCKS-NOT: [[SFVAR]]{{[[^:word:]]}}
162       // BLOCKS: ret
163     }();
164   }
165   }();
166   return 0;
167 #else
168   S<float> test;
169   int t_var = 0;
170   int vec[] = {1, 2};
171   S<float> s_arr[] = {1, 2};
172   S<float> &var = test;
173 #pragma omp parallel
174 #pragma omp for private(t_var, vec, s_arr, s_arr, var, var, svar)
175   for (int i = 0; i < 2; ++i) {
176     vec[i] = t_var;
177     s_arr[i] = var;
178   }
179   int i;
180 #pragma omp parallel
181 #pragma omp for private(i)
182   for (i = 0; i < 2; ++i) {
183     ;
184   }
185   return tmain<int>();
186 #endif
187 }
188 
189 // CHECK: define{{.*}} i{{[0-9]+}} @main()
190 // CHECK: [[TEST:%.+]] = alloca [[S_FLOAT_TY]],
191 // CHECK: call {{.*}} [[S_FLOAT_TY_DEF_CONSTR:@.+]]([[S_FLOAT_TY]]* {{[^,]*}} [[TEST]])
192 // 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
193 // CHECK: = call i{{.+}} [[TMAIN_INT:@.+]]()
194 // CHECK: call void [[S_FLOAT_TY_DESTR:@.+]]([[S_FLOAT_TY]]*
195 // CHECK: ret
196 //
197 // CHECK: define internal void [[MAIN_MICROTASK]](i{{[0-9]+}}* noalias [[GTID_ADDR:%.+]], i{{[0-9]+}}* noalias %{{.+}})
198 // CHECK: [[T_VAR_PRIV:%.+]] = alloca i{{[0-9]+}},
199 // CHECK: [[VEC_PRIV:%.+]] = alloca [2 x i{{[0-9]+}}],
200 // CHECK: [[S_ARR_PRIV:%.+]] = alloca [2 x [[S_FLOAT_TY]]],
201 // CHECK-NOT: alloca [2 x [[S_FLOAT_TY]]],
202 // CHECK: [[VAR_PRIV:%.+]] = alloca [[S_FLOAT_TY]],
203 // CHECK-NOT: alloca [[S_FLOAT_TY]],
204 // CHECK: [[S_VAR_PRIV:%.+]] = alloca i{{[0-9]+}},
205 // CHECK: store i{{[0-9]+}}* [[GTID_ADDR]], i{{[0-9]+}}** [[GTID_ADDR_REF:%.+]]
206 // CHECK-NOT: [[T_VAR_PRIV]]
207 // CHECK-NOT: [[VEC_PRIV]]
208 // CHECK: {{.+}}:
209 // CHECK: [[S_ARR_PRIV_ITEM:%.+]] = phi [[S_FLOAT_TY]]*
210 // CHECK: call {{.*}} [[S_FLOAT_TY_DEF_CONSTR]]([[S_FLOAT_TY]]* {{[^,]*}} [[S_ARR_PRIV_ITEM]])
211 // CHECK-NOT: [[T_VAR_PRIV]]
212 // CHECK-NOT: [[VEC_PRIV]]
213 // CHECK: call {{.*}} [[S_FLOAT_TY_DEF_CONSTR]]([[S_FLOAT_TY]]* {{[^,]*}} [[VAR_PRIV]])
214 // CHECK: call void @__kmpc_for_static_init_4(
215 // CHECK: call void @__kmpc_for_static_fini(
216 // CHECK-DAG: call void [[S_FLOAT_TY_DESTR]]([[S_FLOAT_TY]]* {{[^,]*}} [[VAR_PRIV]])
217 // CHECK-DAG: call void [[S_FLOAT_TY_DESTR]]([[S_FLOAT_TY]]*
218 // CHECK: ret void
219 
220 // CHECK: define {{.*}} i{{[0-9]+}} [[TMAIN_INT]]()
221 // CHECK: [[TEST:%.+]] = alloca [[S_INT_TY]],
222 // CHECK: call {{.*}} [[S_INT_TY_DEF_CONSTR:@.+]]([[S_INT_TY]]* {{[^,]*}} [[TEST]])
223 // 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
224 // CHECK: call void [[S_INT_TY_DESTR:@.+]]([[S_INT_TY]]*
225 // CHECK: ret
226 //
227 // CHECK: define internal void [[TMAIN_MICROTASK]](i{{[0-9]+}}* noalias [[GTID_ADDR:%.+]], i{{[0-9]+}}* noalias %{{.+}})
228 // CHECK: [[T_VAR_PRIV:%.+]] = alloca i{{[0-9]+}},
229 // CHECK: [[VEC_PRIV:%.+]] = alloca [2 x i{{[0-9]+}}],
230 // CHECK: [[S_ARR_PRIV:%.+]] = alloca [2 x [[S_INT_TY]]],
231 // CHECK-NOT: alloca [2 x [[S_INT_TY]]],
232 // CHECK: [[VAR_PRIV:%.+]] = alloca [[S_INT_TY]],
233 // CHECK-NOT: alloca [[S_INT_TY]],
234 // CHECK: store i{{[0-9]+}}* [[GTID_ADDR]], i{{[0-9]+}}** [[GTID_ADDR_REF:%.+]]
235 // CHECK-NOT: [[T_VAR_PRIV]]
236 // CHECK-NOT: [[VEC_PRIV]]
237 // CHECK: {{.+}}:
238 // CHECK: [[S_ARR_PRIV_ITEM:%.+]] = phi [[S_INT_TY]]*
239 // CHECK: call {{.*}} [[S_INT_TY_DEF_CONSTR]]([[S_INT_TY]]* {{[^,]*}} [[S_ARR_PRIV_ITEM]])
240 // CHECK-NOT: [[T_VAR_PRIV]]
241 // CHECK-NOT: [[VEC_PRIV]]
242 // CHECK: call {{.*}} [[S_INT_TY_DEF_CONSTR]]([[S_INT_TY]]* {{[^,]*}} [[VAR_PRIV]])
243 // CHECK: call void @__kmpc_for_static_init_4(
244 // CHECK: call void @__kmpc_for_static_fini(
245 // CHECK-DAG: call void [[S_INT_TY_DESTR]]([[S_INT_TY]]* {{[^,]*}} [[VAR_PRIV]])
246 // CHECK-DAG: call void [[S_INT_TY_DESTR]]([[S_INT_TY]]*
247 // CHECK: ret void
248 #endif
249 
250