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 
28 // CHECK: [[S_FLOAT_TY:%.+]] = type { float }
29 // CHECK: [[S_INT_TY:%.+]] = type { i{{[0-9]+}} }
30 template <typename T>
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 single private(t_var, vec, s_arr, s_arr, var, var)
39   {
40     vec[0] = t_var;
41     s_arr[0] = var;
42   }
43   return T();
44 }
45 
46 int main() {
47   static int sivar;
48 #ifdef LAMBDA
49   // LAMBDA: [[G:@.+]] = {{(dso_local )?}}global double
50   // LAMBDA-LABEL: @main
51   // LAMBDA: call{{.*}} void [[OUTER_LAMBDA:@.+]](
52   [&]() {
53   // LAMBDA: define{{.*}} internal{{.*}} void [[OUTER_LAMBDA]](
54   // LAMBDA: call {{.*}}void {{.+}} @__kmpc_fork_call({{.+}}, i32 0, {{.+}}* [[OMP_REGION:@.+]] to {{.+}})
55 #pragma omp parallel
56 #pragma omp single private(g, sivar)
57   {
58     // LAMBDA: define{{.*}} internal{{.*}} void [[OMP_REGION]](i32* noalias %{{.+}}, i32* noalias %{{.+}})
59     // LAMBDA: [[G_PRIVATE_ADDR:%.+]] = alloca double,
60     // LAMBDA: [[SIVAR_PRIVATE_ADDR:%.+]] = alloca i{{[0-9]+}},
61     g = 1;
62     sivar = 101;
63     // LAMBDA: call {{.*}}i32 @__kmpc_single(
64     // LAMBDA: store double 1.0{{.+}}, double* [[G_PRIVATE_ADDR]],
65     // LAMBDA: store i{{[0-9]+}} 101, i{{[0-9]+}}* [[SIVAR_PRIVATE_ADDR]],
66     // LAMBDA: [[G_PRIVATE_ADDR_REF:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* [[ARG:%.+]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
67     // LAMBDA: store double* [[G_PRIVATE_ADDR]], double** [[G_PRIVATE_ADDR_REF]]
68     // LAMBDA: [[SIVAR_PRIVATE_ADDR_REF:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* [[ARG:%.+]], i{{[0-9]+}} 0, i{{[0-9]+}} 1
69     // LAMBDA: store i{{[0-9]+}}* [[SIVAR_PRIVATE_ADDR]], i{{[0-9]+}}** [[SIVAR_PRIVATE_ADDR_REF]]
70     // LAMBDA: call{{.*}} void [[INNER_LAMBDA:@.+]](%{{.+}}* {{[^,]*}} [[ARG]])
71     // LAMBDA: call {{.*}}void @__kmpc_end_single(
72     [&]() {
73       // LAMBDA: define {{.+}} void [[INNER_LAMBDA]](%{{.+}}* {{[^,]*}} [[ARG_PTR:%.+]])
74       // LAMBDA: store %{{.+}}* [[ARG_PTR]], %{{.+}}** [[ARG_PTR_REF:%.+]],
75       g = 2;
76       sivar = 211;
77       // LAMBDA: [[ARG_PTR:%.+]] = load %{{.+}}*, %{{.+}}** [[ARG_PTR_REF]]
78       // LAMBDA: [[G_PTR_REF:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* [[ARG_PTR]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
79       // LAMBDA: [[G_REF:%.+]] = load double*, double** [[G_PTR_REF]]
80       // LAMBDA: store double 2.0{{.+}}, double* [[G_REF]]
81       // LAMBDA: [[SIVAR_PTR_REF:%.+]] = getelementptr inbounds %{{.+}}, %{{.+}}* [[ARG_PTR]], i{{[0-9]+}} 0, i{{[0-9]+}} 1
82       // LAMBDA: [[SIVAR_REF:%.+]] = load i{{[0-9]+}}*, i{{[0-9]+}}** [[SIVAR_PTR_REF]]
83       // LAMBDA: store i{{[0-9]+}} 211, i{{[0-9]+}}* [[SIVAR_REF]]
84     }();
85   }
86   }();
87   return 0;
88 #elif defined(BLOCKS)
89   // BLOCKS: [[G:@.+]] = {{(dso_local )?}}global double
90   // BLOCKS: [[SIVAR:@.+]] = internal global i{{[0-9]+}} 0,
91   // BLOCKS-LABEL: @main
92   // BLOCKS: call {{.*}}void {{%.+}}(i8
93   ^{
94   // BLOCKS: define{{.*}} internal{{.*}} void {{.+}}(i8*
95   // BLOCKS: call {{.*}}void {{.+}} @__kmpc_fork_call({{.+}}, i32 0, {{.+}}* [[OMP_REGION:@.+]] to {{.+}})
96 #pragma omp parallel
97 #pragma omp single private(g, sivar)
98   {
99     // BLOCKS: define{{.*}} internal{{.*}} void [[OMP_REGION]](i32* noalias %{{.+}}, i32* noalias %{{.+}})
100     // BLOCKS: [[G_PRIVATE_ADDR:%.+]] = alloca double,
101     // BLOCKS: [[SIVAR_PRIVATE_ADDR:%.+]] = alloca i{{[0-9]+}},
102     g = 1;
103     sivar = 101;
104     // BLOCKS: call {{.*}}i32 @__kmpc_single(
105     // BLOCKS: store double 1.0{{.+}}, double* [[G_PRIVATE_ADDR]],
106     // BLOCKS: store i{{[0-9]+}} 101, i{{[0-9]+}}* [[SIVAR_PRIVATE_ADDR]],
107     // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
108     // BLOCKS: double* [[G_PRIVATE_ADDR]]
109     // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
110     // BLOCKS-NOT: [[SIVAR]]{{[[^:word:]]}}
111     // BLOCKS: i{{[0-9]+}}* [[SIVAR_PRIVATE_ADDR]]
112     // BLOCKS-NOT: [[SIVAR]]{{[[^:word:]]}}
113     // BLOCKS: call {{.*}}void {{%.+}}(i8
114     // BLOCKS: call {{.*}}void @__kmpc_end_single(
115     ^{
116       // BLOCKS: define {{.+}} void {{@.+}}(i8*
117       g = 2;
118       sivar = 203;
119       // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
120       // BLOCKS: store double 2.0{{.+}}, double*
121       // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
122       // BLOCKS-NOT: [[SIVAR]]{{[[^:word:]]}}
123       // BLOCKS: store i{{[0-9]+}} 203, i{{[0-9]+}}*
124       // BLOCKS-NOT: [[SIVAR]]{{[[^:word:]]}}
125       // BLOCKS: ret
126     }();
127   }
128   }();
129   return 0;
130 #else
131   S<float> test;
132   int t_var = 0;
133   int vec[] = {1, 2};
134   S<float> s_arr[] = {1, 2};
135   S<float> var(3);
136 #pragma omp parallel
137 #pragma omp single private(t_var, vec, s_arr, s_arr, var, var, sivar)
138   {
139     vec[0] = t_var;
140     s_arr[0] = var;
141     sivar = 303;
142   }
143   return tmain<int>();
144 #endif
145 }
146 
147 // CHECK: define{{.*}} i{{[0-9]+}} @main()
148 // CHECK: [[TEST:%.+]] = alloca [[S_FLOAT_TY]],
149 // CHECK: call {{.*}} [[S_FLOAT_TY_DEF_CONSTR:@.+]]([[S_FLOAT_TY]]* {{[^,]*}} [[TEST]])
150 // 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
151 // CHECK: = call i{{.+}} [[TMAIN_INT:@.+]]()
152 // CHECK: call void [[S_FLOAT_TY_DESTR:@.+]]([[S_FLOAT_TY]]*
153 // CHECK: ret
154 //
155 // CHECK: define internal void [[MAIN_MICROTASK]](i{{[0-9]+}}* noalias [[GTID_ADDR:%.+]], i{{[0-9]+}}* noalias %{{.+}})
156 // CHECK: [[T_VAR_PRIV:%.+]] = alloca i{{[0-9]+}},
157 // CHECK: [[VEC_PRIV:%.+]] = alloca [2 x i{{[0-9]+}}],
158 // CHECK: [[S_ARR_PRIV:%.+]] = alloca [2 x [[S_FLOAT_TY]]],
159 // CHECK-NOT: alloca [2 x [[S_FLOAT_TY]]],
160 // CHECK: [[VAR_PRIV:%.+]] = alloca [[S_FLOAT_TY]],
161 // CHECK-NOT: alloca [[S_FLOAT_TY]],
162 // CHECK: [[SIVAR_PRIV:%.+]] = alloca i{{[0-9]+}},
163 // CHECK: store i{{[0-9]+}}* [[GTID_ADDR]], i{{[0-9]+}}** [[GTID_ADDR_REF:%.+]]
164 // CHECK: call i32 @__kmpc_single(
165 // CHECK-NOT: [[T_VAR_PRIV]]
166 // CHECK-NOT: [[VEC_PRIV]]
167 // CHECK-NOT: [[SIVAR_PRIV]]
168 // CHECK: {{.+}}:
169 // CHECK: [[S_ARR_PRIV_ITEM:%.+]] = phi [[S_FLOAT_TY]]*
170 // CHECK: call {{.*}} [[S_FLOAT_TY_DEF_CONSTR]]([[S_FLOAT_TY]]* {{[^,]*}} [[S_ARR_PRIV_ITEM]])
171 // CHECK-NOT: [[T_VAR_PRIV]]
172 // CHECK-NOT: [[VEC_PRIV]]
173 // CHECK-NOT: [[SIVAR_PRIV]]
174 // CHECK: call {{.*}} [[S_FLOAT_TY_DEF_CONSTR]]([[S_FLOAT_TY]]* {{[^,]*}} [[VAR_PRIV]])
175 // CHECK-DAG: call void [[S_FLOAT_TY_DESTR]]([[S_FLOAT_TY]]* {{[^,]*}} [[VAR_PRIV]])
176 // CHECK-DAG: call void [[S_FLOAT_TY_DESTR]]([[S_FLOAT_TY]]*
177 // CHECK: call void @__kmpc_end_single(
178 // CHECK: ret void
179 
180 // CHECK: define {{.*}} i{{[0-9]+}} [[TMAIN_INT]]()
181 // CHECK: [[TEST:%.+]] = alloca [[S_INT_TY]],
182 // CHECK: call {{.*}} [[S_INT_TY_DEF_CONSTR:@.+]]([[S_INT_TY]]* {{[^,]*}} [[TEST]])
183 // 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
184 // CHECK: call void [[S_INT_TY_DESTR:@.+]]([[S_INT_TY]]*
185 // CHECK: ret
186 //
187 // CHECK: define internal void [[TMAIN_MICROTASK]](i{{[0-9]+}}* noalias [[GTID_ADDR:%.+]], i{{[0-9]+}}* noalias %{{.+}})
188 // CHECK: [[T_VAR_PRIV:%.+]] = alloca i{{[0-9]+}},
189 // CHECK: [[VEC_PRIV:%.+]] = alloca [2 x i{{[0-9]+}}],
190 // CHECK: [[S_ARR_PRIV:%.+]] = alloca [2 x [[S_INT_TY]]],
191 // CHECK-NOT: alloca [2 x [[S_INT_TY]]],
192 // CHECK: [[VAR_PRIV:%.+]] = alloca [[S_INT_TY]],
193 // CHECK-NOT: alloca [[S_INT_TY]],
194 // CHECK: store i{{[0-9]+}}* [[GTID_ADDR]], i{{[0-9]+}}** [[GTID_ADDR_REF:%.+]]
195 // CHECK: call i32 @__kmpc_single(
196 // CHECK-NOT: [[T_VAR_PRIV]]
197 // CHECK-NOT: [[VEC_PRIV]]
198 // CHECK: {{.+}}:
199 // CHECK: [[S_ARR_PRIV_ITEM:%.+]] = phi [[S_INT_TY]]*
200 // CHECK: call {{.*}} [[S_INT_TY_DEF_CONSTR]]([[S_INT_TY]]* {{[^,]*}} [[S_ARR_PRIV_ITEM]])
201 // CHECK-NOT: [[T_VAR_PRIV]]
202 // CHECK-NOT: [[VEC_PRIV]]
203 // CHECK: call {{.*}} [[S_INT_TY_DEF_CONSTR]]([[S_INT_TY]]* {{[^,]*}} [[VAR_PRIV]])
204 // CHECK-DAG: call void [[S_INT_TY_DESTR]]([[S_INT_TY]]* {{[^,]*}} [[VAR_PRIV]])
205 // CHECK-DAG: call void [[S_INT_TY_DESTR]]([[S_INT_TY]]*
206 // CHECK: call void @__kmpc_end_single(
207 // CHECK: ret void
208 #endif
209 
210