1 // RUN: %clang_cc1 -verify -fopenmp %s
2 
3 void foo() {
4 }
5 
6 bool foobool(int argc) {
7   return argc;
8 }
9 
10 struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
11 extern S1 a;
12 class S2 {
13   mutable int a;
14 
15 public:
16   S2() : a(0) {}
17   S2(const S2 &s2) : a(s2.a) {}
18   static float S2s;
19   static const float S2sc;
20 };
21 const float S2::S2sc = 0;
22 const S2 b;
23 const S2 ba[5];
24 class S3 {
25   int a;
26   S3 &operator=(const S3 &s3);
27 
28 public:
29   S3() : a(0) {} // expected-note 2 {{candidate constructor not viable: requires 0 arguments, but 1 was provided}}
30   S3(S3 &s3) : a(s3.a) {} // expected-note 2 {{candidate constructor not viable: 1st argument ('const S3') would lose const qualifier}}
31 };
32 const S3 c;
33 const S3 ca[5];
34 extern const int f;
35 class S4 {
36   int a;
37   S4();
38   S4(const S4 &s4); // expected-note 2 {{implicitly declared private here}}
39 
40 public:
41   S4(int v) : a(v) {}
42 };
43 class S5 {
44   int a;
45   S5(const S5 &s5) : a(s5.a) {} // expected-note 4 {{implicitly declared private here}}
46 
47 public:
48   S5() : a(0) {}
49   S5(int v) : a(v) {}
50 };
51 class S6 {
52   int a;
53   S6() : a(0) {}
54 
55 public:
56   S6(const S6 &s6) : a(s6.a) {}
57   S6(int v) : a(v) {}
58 };
59 
60 S3 h;
61 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
62 
63 template <class I, class C>
64 int foomain(int argc, char **argv) {
65   I e(4);
66   C g(5);
67   int i;
68   int &j = i; // expected-note {{'j' defined here}}
69 #pragma omp parallel
70 #pragma omp for firstprivate // expected-error {{expected '(' after 'firstprivate'}}
71   for (int k = 0; k < argc; ++k)
72     ++k;
73 #pragma omp parallel
74 #pragma omp for firstprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
75   for (int k = 0; k < argc; ++k)
76     ++k;
77 #pragma omp parallel
78 #pragma omp for firstprivate() // expected-error {{expected expression}}
79   for (int k = 0; k < argc; ++k)
80     ++k;
81 #pragma omp parallel
82 #pragma omp for firstprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
83   for (int k = 0; k < argc; ++k)
84     ++k;
85 #pragma omp parallel
86 #pragma omp for firstprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
87   for (int k = 0; k < argc; ++k)
88     ++k;
89 #pragma omp parallel
90 #pragma omp for firstprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
91   for (int k = 0; k < argc; ++k)
92     ++k;
93 #pragma omp parallel
94 #pragma omp for firstprivate(argc)
95   for (int k = 0; k < argc; ++k)
96     ++k;
97 #pragma omp parallel
98 #pragma omp for firstprivate(S1) // expected-error {{'S1' does not refer to a value}}
99   for (int k = 0; k < argc; ++k)
100     ++k;
101 #pragma omp parallel
102 #pragma omp for firstprivate(a, b) // expected-error {{firstprivate variable with incomplete type 'S1'}}
103   for (int k = 0; k < argc; ++k)
104     ++k;
105 #pragma omp parallel
106 #pragma omp for firstprivate(argv[1]) // expected-error {{expected variable name}}
107   for (int k = 0; k < argc; ++k)
108     ++k;
109 #pragma omp parallel
110 #pragma omp for firstprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
111   for (int k = 0; k < argc; ++k)
112     ++k;
113 #pragma omp parallel
114 #pragma omp for firstprivate(h) // expected-error {{threadprivate or thread local variable cannot be firstprivate}}
115   for (int k = 0; k < argc; ++k)
116     ++k;
117 #pragma omp parallel
118 #pragma omp for linear(i) // expected-error {{unexpected OpenMP clause 'linear' in directive '#pragma omp for'}}
119   for (int k = 0; k < argc; ++k)
120     ++k;
121 #pragma omp parallel
122   {
123     int v = 0;
124     int i;                      // expected-note {{variable with automatic storage duration is predetermined as private; perhaps you forget to enclose 'omp for' directive into a parallel or another task region?}}
125 #pragma omp for firstprivate(i) // expected-error {{private variable cannot be firstprivate}}
126     for (int k = 0; k < argc; ++k) {
127       i = k;
128       v += i;
129     }
130   }
131 #pragma omp parallel shared(i)
132 #pragma omp parallel private(i)
133 #pragma omp for firstprivate(j) // expected-error {{arguments of OpenMP clause 'firstprivate' cannot be of reference type}}
134   for (int k = 0; k < argc; ++k)
135     ++k;
136 #pragma omp parallel
137 #pragma omp for firstprivate(i)
138   for (int k = 0; k < argc; ++k)
139     ++k;
140 #pragma omp parallel
141 #pragma omp for lastprivate(g) firstprivate(g) // expected-error {{calling a private constructor of class 'S5'}}
142   for (i = 0; i < argc; ++i)
143     foo();
144 #pragma omp parallel private(i) // expected-note {{defined as private}}
145 #pragma omp for firstprivate(i) // expected-error {{firstprivate variable must be shared}}
146   for (i = 0; i < argc; ++i)
147     foo();
148 #pragma omp parallel reduction(+ : i) // expected-note {{defined as reduction}}
149 #pragma omp for firstprivate(i)       // expected-error {{firstprivate variable must be shared}}
150   for (i = 0; i < argc; ++i)
151     foo();
152   return 0;
153 }
154 
155 void bar(S4 a[2]) {
156 #pragma omp parallel
157 #pragma omp for firstprivate(a)
158   for (int i = 0; i < 2; ++i)
159     foo();
160 }
161 
162 namespace A {
163 double x;
164 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
165 }
166 namespace B {
167 using A::x;
168 }
169 
170 int main(int argc, char **argv) {
171   const int d = 5;
172   const int da[5] = {0};
173   S4 e(4);
174   S5 g(5);
175   S3 m;
176   S6 n(2);
177   int i;
178   int &j = i; // expected-note {{'j' defined here}}
179 #pragma omp parallel
180 #pragma omp for firstprivate // expected-error {{expected '(' after 'firstprivate'}}
181   for (i = 0; i < argc; ++i)
182     foo();
183 #pragma omp parallel
184 #pragma omp for firstprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
185   for (i = 0; i < argc; ++i)
186     foo();
187 #pragma omp parallel
188 #pragma omp for firstprivate() // expected-error {{expected expression}}
189   for (i = 0; i < argc; ++i)
190     foo();
191 #pragma omp parallel
192 #pragma omp for firstprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
193   for (i = 0; i < argc; ++i)
194     foo();
195 #pragma omp parallel
196 #pragma omp for firstprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
197   for (i = 0; i < argc; ++i)
198     foo();
199 #pragma omp parallel
200 #pragma omp for firstprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
201   for (i = 0; i < argc; ++i)
202     foo();
203 #pragma omp parallel
204 #pragma omp for firstprivate(argc)
205   for (i = 0; i < argc; ++i)
206     foo();
207 #pragma omp parallel
208 #pragma omp for firstprivate(S1) // expected-error {{'S1' does not refer to a value}}
209   for (i = 0; i < argc; ++i)
210     foo();
211 #pragma omp parallel
212 #pragma omp for firstprivate(a, b, c, d, f) // expected-error {{firstprivate variable with incomplete type 'S1'}} expected-error {{no matching constructor for initialization of 'S3'}}
213   for (i = 0; i < argc; ++i)
214     foo();
215 #pragma omp parallel
216 #pragma omp for firstprivate(argv[1]) // expected-error {{expected variable name}}
217   for (i = 0; i < argc; ++i)
218     foo();
219 #pragma omp parallel
220 #pragma omp for firstprivate(2 * 2) // expected-error {{expected variable name}}
221   for (i = 0; i < argc; ++i)
222     foo();
223 #pragma omp parallel
224 #pragma omp for firstprivate(ba) // OK
225   for (i = 0; i < argc; ++i)
226     foo();
227 #pragma omp parallel
228 #pragma omp for firstprivate(ca) // expected-error {{no matching constructor for initialization of 'S3'}}
229   for (i = 0; i < argc; ++i)
230     foo();
231 #pragma omp parallel
232 #pragma omp for firstprivate(da) // OK
233   for (i = 0; i < argc; ++i)
234     foo();
235   int xa;
236 #pragma omp parallel
237 #pragma omp for firstprivate(xa) // OK
238   for (i = 0; i < argc; ++i)
239     foo();
240 #pragma omp parallel
241 #pragma omp for firstprivate(S2::S2s) // OK
242   for (i = 0; i < argc; ++i)
243     foo();
244 #pragma omp parallel
245 #pragma omp for firstprivate(S2::S2sc) // OK
246   for (i = 0; i < argc; ++i)
247     foo();
248 #pragma omp parallel
249 #pragma omp for safelen(5) // expected-error {{unexpected OpenMP clause 'safelen' in directive '#pragma omp for'}}
250   for (i = 0; i < argc; ++i)
251     foo();
252 #pragma omp parallel
253 #pragma omp for firstprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
254   for (i = 0; i < argc; ++i)
255     foo();
256 #pragma omp parallel
257 #pragma omp for firstprivate(m) // OK
258   for (i = 0; i < argc; ++i)
259     foo();
260 #pragma omp parallel
261 #pragma omp for firstprivate(h) // expected-error {{threadprivate or thread local variable cannot be firstprivate}}
262   for (i = 0; i < argc; ++i)
263     foo();
264 #pragma omp parallel
265 #pragma omp for private(xa), firstprivate(xa) // expected-error {{private variable cannot be firstprivate}} expected-note {{defined as private}}
266   for (i = 0; i < argc; ++i)
267     foo();
268 #pragma omp parallel
269 #pragma omp for firstprivate(i) // expected-note {{defined as firstprivate}}
270   for (i = 0; i < argc; ++i)    // expected-error {{loop iteration variable in the associated loop of 'omp for' directive may not be firstprivate, predetermined as private}}
271     foo();
272 #pragma omp parallel shared(xa)
273 #pragma omp for firstprivate(xa) // OK: may be firstprivate
274   for (i = 0; i < argc; ++i)
275     foo();
276 #pragma omp parallel
277 #pragma omp for firstprivate(j) // expected-error {{arguments of OpenMP clause 'firstprivate' cannot be of reference type}}
278   for (i = 0; i < argc; ++i)
279     foo();
280 #pragma omp parallel
281 #pragma omp for lastprivate(g) firstprivate(g) // expected-error {{calling a private constructor of class 'S5'}}
282   for (i = 0; i < argc; ++i)
283     foo();
284 #pragma omp parallel
285 #pragma omp for lastprivate(n) firstprivate(n) // OK
286   for (i = 0; i < argc; ++i)
287     foo();
288 #pragma omp parallel
289   {
290     int v = 0;
291     int i;                      // expected-note {{variable with automatic storage duration is predetermined as private; perhaps you forget to enclose 'omp for' directive into a parallel or another task region?}}
292 #pragma omp for firstprivate(i) // expected-error {{private variable cannot be firstprivate}}
293     for (int k = 0; k < argc; ++k) {
294       i = k;
295       v += i;
296     }
297   }
298 #pragma omp parallel private(i) // expected-note {{defined as private}}
299 #pragma omp for firstprivate(i) // expected-error {{firstprivate variable must be shared}}
300   for (i = 0; i < argc; ++i)
301     foo();
302 #pragma omp parallel reduction(+ : i) // expected-note {{defined as reduction}}
303 #pragma omp for firstprivate(i)       // expected-error {{firstprivate variable must be shared}}
304   for (i = 0; i < argc; ++i)
305     foo();
306 #pragma omp parallel
307 #pragma omp for firstprivate(B::x) // expected-error {{threadprivate or thread local variable cannot be firstprivate}}
308   for (i = 0; i < argc; ++i)
309     foo();
310 
311   return foomain<S4, S5>(argc, argv); // expected-note {{in instantiation of function template specialization 'foomain<S4, S5>' requested here}}
312 }
313 
314