1 // RUN: %clang_cc1 -verify -fopenmp=libiomp5 -ferror-limit 100 -o - %s
2
foo()3 void foo() {
4 }
5
foobool(int argc)6 bool foobool(int argc) {
7 return argc;
8 }
9
10 struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
11 extern S1 a;
12 class S2 {
13 mutable int a;
operator +=(const S2 & arg)14 S2 &operator+=(const S2 &arg) { return (*this); }
15
16 public:
S2()17 S2() : a(0) {}
S2(S2 & s2)18 S2(S2 &s2) : a(s2.a) {}
19 static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
20 static const float S2sc;
21 };
22 const float S2::S2sc = 0; // expected-note 2 {{'S2sc' defined here}}
23 S2 b; // expected-note 2 {{'b' defined here}}
24 const S2 ba[5]; // expected-note 2 {{'ba' defined here}}
25 class S3 {
26 int a;
27
28 public:
S3()29 S3() : a(0) {}
S3(const S3 & s3)30 S3(const S3 &s3) : a(s3.a) {}
operator +=(const S3 & arg1)31 S3 operator+=(const S3 &arg1) { return arg1; }
32 };
operator +=(const S3 & arg1,const S3 & arg2)33 int operator+=(const S3 &arg1, const S3 &arg2) { return 5; }
34 S3 c; // expected-note 2 {{'c' defined here}}
35 const S3 ca[5]; // expected-note 2 {{'ca' defined here}}
36 extern const int f; // expected-note 4 {{'f' declared here}}
37 class S4 { // expected-note {{'S4' declared here}}
38 int a;
39 S4();
40 S4(const S4 &s4);
operator +=(const S4 & arg)41 S4 &operator+=(const S4 &arg) { return (*this); }
42
43 public:
S4(int v)44 S4(int v) : a(v) {}
45 };
operator &=(S4 & arg1,S4 & arg2)46 S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
47 class S5 {
48 int a;
S5()49 S5() : a(0) {}
S5(const S5 & s5)50 S5(const S5 &s5) : a(s5.a) {}
51 S5 &operator+=(const S5 &arg);
52
53 public:
S5(int v)54 S5(int v) : a(v) {}
55 };
56 class S6 {
57 int a;
58
59 public:
S6()60 S6() : a(6) {}
operator int()61 operator int() { return 6; }
62 } o; // expected-note 2 {{'o' defined here}}
63
64 S3 h, k;
65 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
66
67 template <class T> // expected-note {{declared here}}
tmain(T argc)68 T tmain(T argc) { // expected-note 2 {{'argc' defined here}}
69 const T d = T(); // expected-note 4 {{'d' defined here}}
70 const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}
71 T qa[5] = {T()};
72 T i;
73 T &j = i; // expected-note 4 {{'j' defined here}}
74 S3 &p = k; // expected-note 2 {{'p' defined here}}
75 const T &r = da[(int)i]; // expected-note 2 {{'r' defined here}}
76 T &q = qa[(int)i]; // expected-note 2 {{'q' defined here}}
77 T fl; // expected-note {{'fl' defined here}}
78 #pragma omp parallel
79 #pragma omp for reduction // expected-error {{expected '(' after 'reduction'}}
80 for (int i = 0; i < 10; ++i)
81 foo();
82 #pragma omp parallel
83 #pragma omp for reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp for' are ignored}}
84 for (int i = 0; i < 10; ++i)
85 foo();
86 #pragma omp parallel
87 #pragma omp for reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
88 for (int i = 0; i < 10; ++i)
89 foo();
90 #pragma omp parallel
91 #pragma omp for reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
92 for (int i = 0; i < 10; ++i)
93 foo();
94 #pragma omp parallel
95 #pragma omp for reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
96 for (int i = 0; i < 10; ++i)
97 foo();
98 #pragma omp parallel
99 #pragma omp for reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
100 for (int i = 0; i < 10; ++i)
101 foo();
102 #pragma omp parallel
103 #pragma omp for reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
104 for (int i = 0; i < 10; ++i)
105 foo();
106 #pragma omp parallel
107 #pragma omp for reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{variable of type 'float' is not valid for specified reduction operation}}
108 for (int i = 0; i < 10; ++i)
109 foo();
110 #pragma omp parallel
111 #pragma omp for reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{variable of type 'float' is not valid for specified reduction operation}}
112 for (int i = 0; i < 10; ++i)
113 foo();
114 #pragma omp parallel
115 #pragma omp for reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name}}
116 for (int i = 0; i < 10; ++i)
117 foo();
118 #pragma omp parallel
119 #pragma omp for reduction(foo : argc) //expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}}
120 for (int i = 0; i < 10; ++i)
121 foo();
122 #pragma omp parallel
123 #pragma omp for reduction(&& : argc)
124 for (int i = 0; i < 10; ++i)
125 foo();
126 #pragma omp parallel
127 #pragma omp for reduction(^ : T) // expected-error {{'T' does not refer to a value}}
128 for (int i = 0; i < 10; ++i)
129 foo();
130 #pragma omp parallel
131 #pragma omp for reduction(+ : a, b, c, d, f) // expected-error {{reduction variable with incomplete type 'S1'}} expected-error 3 {{const-qualified variable cannot be reduction}}
132 for (int i = 0; i < 10; ++i)
133 foo();
134 #pragma omp parallel
135 #pragma omp for reduction(min : a, b, c, d, f) // expected-error {{reduction variable with incomplete type 'S1'}} expected-error 2 {{arguments of OpenMP clause 'reduction' for 'min' or 'max' must be of arithmetic type}} expected-error 3 {{const-qualified variable cannot be reduction}}
136 for (int i = 0; i < 10; ++i)
137 foo();
138 #pragma omp parallel
139 #pragma omp for reduction(max : qa[1]) // expected-error 2 {{expected variable name}}
140 for (int i = 0; i < 10; ++i)
141 foo();
142 #pragma omp parallel
143 #pragma omp for reduction(+ : ba) // expected-error {{a reduction variable with array type 'const S2 [5]'}}
144 for (int i = 0; i < 10; ++i)
145 foo();
146 #pragma omp parallel
147 #pragma omp for reduction(* : ca) // expected-error {{a reduction variable with array type 'const S3 [5]'}}
148 for (int i = 0; i < 10; ++i)
149 foo();
150 #pragma omp parallel
151 #pragma omp for reduction(- : da) // expected-error {{a reduction variable with array type 'const int [5]'}} expected-error {{a reduction variable with array type 'const float [5]'}}
152 for (int i = 0; i < 10; ++i)
153 foo();
154 #pragma omp parallel
155 #pragma omp for reduction(^ : fl) // expected-error {{variable of type 'float' is not valid for specified reduction operation}}
156 for (int i = 0; i < 10; ++i)
157 foo();
158 #pragma omp parallel
159 #pragma omp for reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
160 for (int i = 0; i < 10; ++i)
161 foo();
162 #pragma omp parallel
163 #pragma omp for reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
164 for (int i = 0; i < 10; ++i)
165 foo();
166 #pragma omp parallel
167 #pragma omp for reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
168 for (int i = 0; i < 10; ++i)
169 foo();
170 #pragma omp parallel
171 #pragma omp for reduction(+ : o) // expected-error {{variable of type 'class S6' is not valid for specified reduction operation}}
172 for (int i = 0; i < 10; ++i)
173 foo();
174 #pragma omp parallel
175 #pragma omp for private(i), reduction(+ : j), reduction(+ : q) // expected-error 4 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
176 for (int i = 0; i < 10; ++i)
177 foo();
178 #pragma omp parallel private(k)
179 #pragma omp for reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
180 for (int i = 0; i < 10; ++i)
181 foo();
182 #pragma omp parallel
183 #pragma omp for reduction(+ : p), reduction(+ : p) // expected-error 3 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 3 {{previously referenced here}}
184 for (int i = 0; i < 10; ++i)
185 foo();
186 #pragma omp parallel
187 #pragma omp for reduction(+ : r) // expected-error 2 {{const-qualified variable cannot be reduction}}
188 for (int i = 0; i < 10; ++i)
189 foo();
190 #pragma omp parallel shared(i)
191 #pragma omp parallel reduction(min : i)
192 #pragma omp for reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
193 for (int i = 0; i < 10; ++i)
194 foo();
195 #pragma omp parallel private(fl) // expected-note 2 {{defined as private}}
196 #pragma omp for reduction(+ : fl) // expected-error 2 {{reduction variable must be shared}}
197 for (int i = 0; i < 10; ++i)
198 foo();
199 #pragma omp parallel reduction(* : fl) // expected-note 2 {{defined as reduction}}
200 #pragma omp for reduction(+ : fl) // expected-error 2 {{reduction variable must be shared}}
201 for (int i = 0; i < 10; ++i)
202 foo();
203
204 return T();
205 }
206
main(int argc,char ** argv)207 int main(int argc, char **argv) {
208 const int d = 5; // expected-note 2 {{'d' defined here}}
209 const int da[5] = {0}; // expected-note {{'da' defined here}}
210 int qa[5] = {0};
211 S4 e(4); // expected-note {{'e' defined here}}
212 S5 g(5); // expected-note {{'g' defined here}}
213 int i;
214 int &j = i; // expected-note 2 {{'j' defined here}}
215 S3 &p = k; // expected-note 2 {{'p' defined here}}
216 const int &r = da[i]; // expected-note {{'r' defined here}}
217 int &q = qa[i]; // expected-note {{'q' defined here}}
218 float fl; // expected-note {{'fl' defined here}}
219 #pragma omp parallel
220 #pragma omp for reduction // expected-error {{expected '(' after 'reduction'}}
221 for (int i = 0; i < 10; ++i)
222 foo();
223 #pragma omp parallel
224 #pragma omp for reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp for' are ignored}}
225 for (int i = 0; i < 10; ++i)
226 foo();
227 #pragma omp parallel
228 #pragma omp for reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
229 for (int i = 0; i < 10; ++i)
230 foo();
231 #pragma omp parallel
232 #pragma omp for reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
233 for (int i = 0; i < 10; ++i)
234 foo();
235 #pragma omp parallel
236 #pragma omp for reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
237 for (int i = 0; i < 10; ++i)
238 foo();
239 #pragma omp parallel
240 #pragma omp for reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
241 for (int i = 0; i < 10; ++i)
242 foo();
243 #pragma omp parallel
244 #pragma omp for reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
245 for (int i = 0; i < 10; ++i)
246 foo();
247 #pragma omp parallel
248 #pragma omp for reduction(foo : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}}
249 for (int i = 0; i < 10; ++i)
250 foo();
251 #pragma omp parallel
252 #pragma omp for reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
253 for (int i = 0; i < 10; ++i)
254 foo();
255 #pragma omp parallel
256 #pragma omp for reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
257 for (int i = 0; i < 10; ++i)
258 foo();
259 #pragma omp parallel
260 #pragma omp for reduction(~ : argc) // expected-error {{expected unqualified-id}}
261 for (int i = 0; i < 10; ++i)
262 foo();
263 #pragma omp parallel
264 #pragma omp for reduction(&& : argc)
265 for (int i = 0; i < 10; ++i)
266 foo();
267 #pragma omp parallel
268 #pragma omp for reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
269 for (int i = 0; i < 10; ++i)
270 foo();
271 #pragma omp parallel
272 #pragma omp for reduction(+ : a, b, c, d, f) // expected-error {{reduction variable with incomplete type 'S1'}} expected-error 2 {{const-qualified variable cannot be reduction}}
273 for (int i = 0; i < 10; ++i)
274 foo();
275 #pragma omp parallel
276 #pragma omp for reduction(min : a, b, c, d, f) // expected-error {{reduction variable with incomplete type 'S1'}} expected-error 2 {{arguments of OpenMP clause 'reduction' for 'min' or 'max' must be of arithmetic type}} expected-error 2 {{const-qualified variable cannot be reduction}}
277 for (int i = 0; i < 10; ++i)
278 foo();
279 #pragma omp parallel
280 #pragma omp for reduction(max : argv[1]) // expected-error {{expected variable name}}
281 for (int i = 0; i < 10; ++i)
282 foo();
283 #pragma omp parallel
284 #pragma omp for reduction(+ : ba) // expected-error {{a reduction variable with array type 'const S2 [5]'}}
285 for (int i = 0; i < 10; ++i)
286 foo();
287 #pragma omp parallel
288 #pragma omp for reduction(* : ca) // expected-error {{a reduction variable with array type 'const S3 [5]'}}
289 for (int i = 0; i < 10; ++i)
290 foo();
291 #pragma omp parallel
292 #pragma omp for reduction(- : da) // expected-error {{a reduction variable with array type 'const int [5]'}}
293 for (int i = 0; i < 10; ++i)
294 foo();
295 #pragma omp parallel
296 #pragma omp for reduction(^ : fl) // expected-error {{variable of type 'float' is not valid for specified reduction operation}}
297 for (int i = 0; i < 10; ++i)
298 foo();
299 #pragma omp parallel
300 #pragma omp for reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
301 for (int i = 0; i < 10; ++i)
302 foo();
303 #pragma omp parallel
304 #pragma omp for reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
305 for (int i = 0; i < 10; ++i)
306 foo();
307 #pragma omp parallel
308 #pragma omp for reduction(& : e, g) // expected-error {{reduction variable must have an accessible, unambiguous default constructor}} expected-error {{variable of type 'S5' is not valid for specified reduction operation}}
309 for (int i = 0; i < 10; ++i)
310 foo();
311 #pragma omp parallel
312 #pragma omp for reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
313 for (int i = 0; i < 10; ++i)
314 foo();
315 #pragma omp parallel
316 #pragma omp for reduction(+ : o) // expected-error {{variable of type 'class S6' is not valid for specified reduction operation}}
317 for (int i = 0; i < 10; ++i)
318 foo();
319 #pragma omp parallel
320 #pragma omp for private(i), reduction(+ : j), reduction(+ : q) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
321 for (int i = 0; i < 10; ++i)
322 foo();
323 #pragma omp parallel private(k)
324 #pragma omp for reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
325 for (int i = 0; i < 10; ++i)
326 foo();
327 #pragma omp parallel
328 #pragma omp for reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}}
329 for (int i = 0; i < 10; ++i)
330 foo();
331 #pragma omp parallel
332 #pragma omp for reduction(+ : r) // expected-error {{const-qualified variable cannot be reduction}}
333 for (int i = 0; i < 10; ++i)
334 foo();
335 #pragma omp parallel shared(i)
336 #pragma omp parallel reduction(min : i)
337 #pragma omp for reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
338 for (int i = 0; i < 10; ++i)
339 foo();
340 #pragma omp parallel private(fl) // expected-note {{defined as private}}
341 #pragma omp for reduction(+ : fl) // expected-error {{reduction variable must be shared}}
342 for (int i = 0; i < 10; ++i)
343 foo();
344 #pragma omp parallel reduction(* : fl) // expected-note {{defined as reduction}}
345 #pragma omp for reduction(+ : fl) // expected-error {{reduction variable must be shared}}
346 for (int i = 0; i < 10; ++i)
347 foo();
348
349 return tmain(argc) + tmain(fl); // expected-note {{in instantiation of function template specialization 'tmain<int>' requested here}} expected-note {{in instantiation of function template specialization 'tmain<float>' requested here}}
350 }
351