xref: /llvm-project/clang/test/OpenMP/target_parallel_for_private_messages.cpp (revision 95c23e72da98ecb84c562ca0fb8e23f7c6ceefa1)
1 // RUN: %clang_cc1 -verify -fopenmp %s
2 
3 // RUN: %clang_cc1 -verify -fopenmp-simd %s
4 
5 void foo() {
6 }
7 
8 bool foobool(int argc) {
9   return argc;
10 }
11 
12 struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
13 extern S1 a;
14 class S2 {
15   mutable int a;
16 
17 public:
18   S2() : a(0) {}
19 };
20 const S2 b;
21 const S2 ba[5];
22 class S3 {
23   int a;
24 
25 public:
26   S3() : a(0) {}
27 };
28 const S3 ca[5];
29 class S4 {
30   int a;
31   S4(); // expected-note {{implicitly declared private here}}
32 
33 public:
34   S4(int v) : a(v) {
35 #pragma omp target parallel for private(a) private(this->a)
36     for (int k = 0; k < v; ++k)
37       ++this->a;
38   }
39 };
40 class S5 {
41   int a;
42   S5() : a(0) {} // expected-note {{implicitly declared private here}}
43 
44 public:
45   S5(int v) : a(v) {}
46   S5 &operator=(S5 &s) {
47 #pragma omp target parallel for private(a) private(this->a) private(s.a) // expected-error {{expected variable name or data member of current class}}
48     for (int k = 0; k < s.a; ++k) // expected-warning {{Non-trivial type 'S5' is mapped, only trivial types are guaranteed to be mapped correctly}}
49       ++s.a;
50     return *this;
51   }
52 };
53 
54 template <typename T>
55 class S6 {
56 public:
57   T a;
58 
59   S6() : a(0) {}
60   S6(T v) : a(v) {
61 #pragma omp target parallel for private(a) private(this->a)
62     for (int k = 0; k < v; ++k)
63       ++this->a;
64   }
65   S6 &operator=(S6 &s) {
66 #pragma omp target parallel for private(a) private(this->a) private(s.a) // expected-error {{expected variable name or data member of current class}}
67     for (int k = 0; k < s.a; ++k)
68       ++s.a;
69     return *this;
70   }
71 };
72 
73 template <typename T>
74 class S7 : public T {
75   T a;
76   S7() : a(0) {}
77 
78 public:
79   S7(T v) : a(v) {
80 #pragma omp target parallel for private(a) private(this->a) private(T::a)
81     for (int k = 0; k < a.a; ++k)
82       ++this->a.a;
83   }
84   S7 &operator=(S7 &s) {
85 #pragma omp target parallel for private(a) private(this->a) private(s.a) private(s.T::a) // expected-error 2 {{expected variable name or data member of current class}}
86     for (int k = 0; k < s.a.a; ++k)
87       ++s.a.a;
88     return *this;
89   }
90 };
91 
92 S3 h;
93 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
94 
95 template <class I, class C>
96 int foomain(I argc, C **argv) {
97   I e(4);
98   I g(5);
99   int i;
100   int &j = i;
101 #pragma omp target parallel for private // expected-error {{expected '(' after 'private'}}
102   for (int k = 0; k < argc; ++k)
103     ++k;
104 #pragma omp target parallel for private( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
105   for (int k = 0; k < argc; ++k)
106     ++k;
107 #pragma omp target parallel for private() // expected-error {{expected expression}}
108   for (int k = 0; k < argc; ++k)
109     ++k;
110 #pragma omp target parallel for private(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
111   for (int k = 0; k < argc; ++k)
112     ++k;
113 #pragma omp target parallel for private(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
114   for (int k = 0; k < argc; ++k)
115     ++k;
116 #pragma omp target parallel for private(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
117   for (int k = 0; k < argc; ++k)
118     ++k;
119 #pragma omp target parallel for private(argc)
120   for (int k = 0; k < argc; ++k)
121     ++k;
122 #pragma omp target parallel for private(S1) // expected-error {{'S1' does not refer to a value}}
123   for (int k = 0; k < argc; ++k)
124     ++k;
125 #pragma omp target parallel for private(a, b) // expected-error {{private variable with incomplete type 'S1'}}
126   for (int k = 0; k < argc; ++k)
127     ++k;
128 #pragma omp target parallel for private(argv[1]) // expected-error {{expected variable name}}
129   for (int k = 0; k < argc; ++k)
130     ++k;
131 #pragma omp target parallel for private(e, g)
132   for (int k = 0; k < argc; ++k)
133     ++k;
134 #pragma omp target parallel for private(h) // expected-error {{threadprivate or thread local variable cannot be private}}
135   for (int k = 0; k < argc; ++k)
136     ++k;
137 #pragma omp parallel
138   {
139     int v = 0;
140     int i;
141 #pragma omp target parallel for private(i)
142     for (int k = 0; k < argc; ++k) {
143       i = k;
144       v += i;
145     }
146   }
147 #pragma omp parallel shared(i)
148 #pragma omp parallel private(i)
149 #pragma omp target parallel for private(j)
150   for (int k = 0; k < argc; ++k)
151     ++k;
152 #pragma omp target parallel for private(i)
153   for (int k = 0; k < argc; ++k)
154     ++k;
155   return 0;
156 }
157 
158 namespace A {
159 double x;
160 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
161 }
162 namespace B {
163 using A::x;
164 }
165 
166 int main(int argc, char **argv) {
167   S4 e(4);
168   S5 g(5);
169   S6<float> s6(0.0) , s6_0(1.0);
170   S7<S6<float> > s7(0.0) , s7_0(1.0);
171   int i;
172   int &j = i;
173 #pragma omp target parallel for private // expected-error {{expected '(' after 'private'}}
174   for (int k = 0; k < argc; ++k)
175     ++k;
176 #pragma omp target parallel for private( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
177   for (int k = 0; k < argc; ++k)
178     ++k;
179 #pragma omp target parallel for private() // expected-error {{expected expression}}
180   for (int k = 0; k < argc; ++k)
181     ++k;
182 #pragma omp target parallel for private(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
183   for (int k = 0; k < argc; ++k)
184     ++k;
185 #pragma omp target parallel for private(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
186   for (int k = 0; k < argc; ++k)
187     ++k;
188 #pragma omp target parallel for private(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
189   for (int k = 0; k < argc; ++k)
190     ++k;
191 #pragma omp target parallel for private(argc)
192   for (int k = 0; k < argc; ++k)
193     ++k;
194 #pragma omp target parallel for private(S1) // expected-error {{'S1' does not refer to a value}}
195   for (int k = 0; k < argc; ++k)
196     ++k;
197 #pragma omp target parallel for private(a, b) // expected-error {{private variable with incomplete type 'S1'}}
198   for (int k = 0; k < argc; ++k)
199     ++k;
200 #pragma omp target parallel for private(argv[1]) // expected-error {{expected variable name}}
201   for (int k = 0; k < argc; ++k)
202     ++k;
203 #pragma omp target parallel for private(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
204   for (int k = 0; k < argc; ++k)
205     ++k;
206 #pragma omp target parallel for private(h, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be private}}
207   for (int k = 0; k < argc; ++k)
208     ++k;
209 #pragma omp parallel
210   {
211     int i;
212 #pragma omp target parallel for private(i)
213     for (int k = 0; k < argc; ++k)
214       ++k;
215   }
216 #pragma omp parallel shared(i)
217 #pragma omp parallel private(i)
218 #pragma omp target parallel for private(j)
219   for (int k = 0; k < argc; ++k)
220     ++k;
221 #pragma omp target parallel for private(i)
222   for (int k = 0; k < argc; ++k)
223     ++k;
224   static int m;
225 #pragma omp target parallel for private(m)
226   for (int k = 0; k < argc; ++k)
227     m = k + 2;
228 
229   s6 = s6_0; // expected-note {{in instantiation of member function 'S6<float>::operator=' requested here}}
230   s7 = s7_0; // expected-note {{in instantiation of member function 'S7<S6<float> >::operator=' requested here}}
231   return foomain(argc, argv); // expected-note {{in instantiation of function template specialization 'foomain<int, char>' requested here}}
232 }
233 
234