1 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -ferror-limit 150 -o - %s -Wuninitialized
2 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
3 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
4 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -ferror-limit 150 -o - %s -Wuninitialized
5 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
6 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
7 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -ferror-limit 150 -o - %s -Wuninitialized
8 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
9 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
10 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -ferror-limit 150 -o - %s -Wuninitialized
11 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
12 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
13
14 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -ferror-limit 150 -o - %s -Wuninitialized
15 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
16 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
17 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -ferror-limit 150 -o - %s -Wuninitialized
18 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
19 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
20 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -ferror-limit 150 -o - %s -Wuninitialized
21 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
22 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
23 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -ferror-limit 150 -o - %s -Wuninitialized
24 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
25 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
26
27 extern int omp_default_mem_alloc;
xxx(int argc)28 void xxx(int argc) {
29 int fp; // expected-note {{initialize the variable 'fp' to silence this warning}}
30 #pragma omp parallel masked reduction(+:fp) // expected-warning {{variable 'fp' is uninitialized when used here}}
31 {
32 for (int i = 0; i < 10; ++i)
33 ;
34 }
35 }
36
foo()37 void foo() {
38 }
39
foobool(int argc)40 bool foobool(int argc) {
41 return argc;
42 }
43
foobar(int & ref)44 void foobar(int &ref) {
45 #pragma omp parallel masked reduction(+:ref)
46 {
47 foo();
48 }
49 }
50
51 struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
52 extern S1 a;
53 class S2 {
54 mutable int a;
operator +(const S2 & arg)55 S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}
56
57 public:
S2()58 S2() : a(0) {}
S2(S2 & s2)59 S2(S2 &s2) : a(s2.a) {}
60 static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
61 static const float S2sc; // expected-note 2 {{'S2sc' declared here}}
62 };
63 const float S2::S2sc = 0;
64 S2 b; // expected-note 3 {{'b' defined here}}
65 const S2 ba[5]; // expected-note 2 {{'ba' defined here}}
66 class S3 {
67 int a;
68
69 public:
70 int b;
S3()71 S3() : a(0) {}
S3(const S3 & s3)72 S3(const S3 &s3) : a(s3.a) {}
operator +(const S3 & arg1)73 S3 operator+(const S3 &arg1) { return arg1; }
74 };
operator +(const S3 & arg1,const S3 & arg2)75 int operator+(const S3 &arg1, const S3 &arg2) { return 5; }
76 S3 c; // expected-note 3 {{'c' defined here}}
77 const S3 ca[5]; // expected-note 2 {{'ca' defined here}}
78 extern const int f; // expected-note 4 {{'f' declared here}}
79 class S4 {
80 int a;
81 S4(); // expected-note {{implicitly declared private here}}
82 S4(const S4 &s4);
operator +(const S4 & arg)83 S4 &operator+(const S4 &arg) { return (*this); }
84
85 public:
S4(int v)86 S4(int v) : a(v) {}
87 };
operator &=(S4 & arg1,S4 & arg2)88 S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
89 class S5 {
90 int a;
S5()91 S5() : a(0) {} // expected-note {{implicitly declared private here}}
S5(const S5 & s5)92 S5(const S5 &s5) : a(s5.a) {}
93 S5 &operator+(const S5 &arg);
94
95 public:
S5(int v)96 S5(int v) : a(v) {}
97 };
98 class S6 { // expected-note 3 {{candidate function (the implicit copy assignment operator) not viable: no known conversion from 'int' to 'const S6' for 1st argument}}
99 #if __cplusplus >= 201103L // C++11 or later
100 // expected-note@-2 3 {{candidate function (the implicit move assignment operator) not viable}}
101 #endif
102 int a;
103
104 public:
S6()105 S6() : a(6) {}
operator int()106 operator int() { return 6; }
107 } o;
108
109 S3 h, k;
110 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
111
112 template <class T> // expected-note {{declared here}}
tmain(T argc)113 T tmain(T argc) {
114 const T d = T(); // expected-note 4 {{'d' defined here}}
115 const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}
116 T qa[5] = {T()};
117 T i, z;
118 T &j = i; // expected-note 4 {{'j' defined here}}
119 S3 &p = k; // expected-note 2 {{'p' defined here}}
120 const T &r = da[(int)i]; // expected-note 2 {{'r' defined here}}
121 T &q = qa[(int)i]; // expected-note 2 {{'q' defined here}}
122 T fl;
123 #pragma omp parallel masked reduction // expected-error {{expected '(' after 'reduction'}}
124 {
125 foo();
126 }
127 #pragma omp parallel masked reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp parallel masked' are ignored}}
128 {
129 foo();
130 }
131 #pragma omp parallel masked reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
132 {
133 foo();
134 }
135 #pragma omp parallel masked reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
136 {
137 foo();
138 }
139 #pragma omp parallel masked reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
140 {
141 foo();
142 }
143 #pragma omp parallel masked reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
144 {
145 foo();
146 }
147 #pragma omp parallel masked reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
148 {
149 foo();
150 }
151 #pragma omp parallel masked reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
152 {
153 foo();
154 }
155 #pragma omp parallel masked reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
156 {
157 foo();
158 }
159 #pragma omp parallel masked reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}}
160 {
161 foo();
162 }
163 #pragma omp parallel masked reduction(foo : argc) //omp45-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}} omp45-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}} omp50-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}} omp50-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}} omp52-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}} omp52-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}} omp60-error {{incorrect reduction identifier, expected one of '+', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}} omp60-error {{incorrect reduction identifier, expected one of '+', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}}
164 {
165 foo();
166 }
167 #pragma omp parallel masked reduction(&& : argc) allocate , allocate(, allocate(omp_default , allocate(omp_default_mem_alloc, allocate(omp_default_mem_alloc:, allocate(omp_default_mem_alloc: argc, allocate(omp_default_mem_alloc: argv), allocate(argv) // expected-error {{expected '(' after 'allocate'}} expected-error 2 {{expected expression}} expected-error 2 {{expected ')'}} expected-error {{use of undeclared identifier 'omp_default'}} expected-note 2 {{to match this '('}}
168 {
169 foo();
170 }
171 #pragma omp parallel masked reduction(^ : T) // expected-error {{'T' does not refer to a value}}
172 {
173 foo();
174 }
175 #pragma omp parallel masked reduction(+ : z, a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 3 {{const-qualified variable cannot be reduction}} expected-error 2 {{'operator+' is a private member of 'S2'}}
176 {
177 foo();
178 }
179 #pragma omp parallel masked reduction(min : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 4 {{arguments of OpenMP clause 'reduction' for 'min' or 'max' must be of arithmetic type}} expected-error 3 {{const-qualified variable cannot be reduction}}
180 {
181 foo();
182 }
183 #pragma omp parallel masked reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
184 {
185 foo();
186 }
187 #pragma omp parallel masked reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
188 {
189 foo();
190 }
191 #pragma omp parallel masked reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
192 {
193 foo();
194 }
195 #pragma omp parallel masked reduction(- : da) // expected-error 2 {{const-qualified variable cannot be reduction}} omp52-warning 3 {{minus(-) operator for reductions is deprecated; use + or user defined reduction instead}}
196 {
197 foo();
198 }
199 #pragma omp parallel masked reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
200 {
201 foo();
202 }
203 #pragma omp parallel masked reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
204 {
205 foo();
206 }
207 #pragma omp parallel masked reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
208 {
209 foo();
210 }
211 #pragma omp parallel masked reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
212 {
213 foo();
214 }
215 #pragma omp parallel masked reduction(+ : o) // expected-error 2 {{no viable overloaded '='}}
216 {
217 foo();
218 }
219 #pragma omp parallel masked private(i), reduction(+ : j), reduction(+ : q) // expected-error 4 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
220 {
221 foo();
222 }
223 #pragma omp parallel private(k)
224 #pragma omp parallel masked reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
225 {
226 foo();
227 }
228 #pragma omp parallel masked reduction(+ : p), reduction(+ : p) // expected-error 2 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 2 {{previously referenced here}}
229 {
230 foo();
231 }
232 #pragma omp parallel masked reduction(+ : r) // expected-error 2 {{const-qualified variable cannot be reduction}}
233 {
234 foo();
235 }
236 #pragma omp parallel shared(i)
237 #pragma omp parallel reduction(min : i)
238 #pragma omp parallel masked reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
239 {
240 foo();
241 }
242 #pragma omp parallel private(fl)
243 #pragma omp parallel masked reduction(+ : fl)
244 {
245 foo();
246 }
247 #pragma omp parallel reduction(* : fl)
248 #pragma omp parallel masked reduction(+ : fl)
249 {
250 foo();
251 }
252
253 return T();
254 }
255
256 namespace A {
257 double x;
258 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
259 }
260 namespace B {
261 using A::x;
262 }
263
main(int argc,char ** argv)264 int main(int argc, char **argv) {
265 const int d = 5; // expected-note 2 {{'d' defined here}}
266 const int da[5] = {0}; // expected-note {{'da' defined here}}
267 int qa[5] = {0};
268 S4 e(4);
269 S5 g(5);
270 int i, z;
271 int &j = i; // expected-note 2 {{'j' defined here}}
272 S3 &p = k; // expected-note 2 {{'p' defined here}}
273 const int &r = da[i]; // expected-note {{'r' defined here}}
274 int &q = qa[i]; // expected-note {{'q' defined here}}
275 float fl;
276 #pragma omp parallel masked reduction // expected-error {{expected '(' after 'reduction'}}
277 {
278 foo();
279 }
280 #pragma omp parallel masked reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp parallel masked' are ignored}}
281 {
282 foo();
283 }
284 #pragma omp parallel masked reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
285 {
286 foo();
287 }
288 #pragma omp parallel masked reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
289 {
290 foo();
291 }
292 #pragma omp parallel masked reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
293 {
294 foo();
295 }
296 #pragma omp parallel masked reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
297 {
298 foo();
299 }
300 #pragma omp parallel masked reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
301 {
302 foo();
303 }
304 #pragma omp parallel masked reduction(foo : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} omp45-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}} omp50-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}} omp52-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}} omp60-error {{incorrect reduction identifier, expected one of '+', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}}
305 {
306 foo();
307 }
308 #pragma omp parallel masked reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
309 {
310 foo();
311 }
312 #pragma omp parallel masked reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}}
313 {
314 foo();
315 }
316 #pragma omp parallel masked reduction(~ : argc) // expected-error {{expected unqualified-id}}
317 {
318 foo();
319 }
320 #pragma omp parallel masked reduction(&& : argc)
321 {
322 foo();
323 }
324 #pragma omp parallel masked reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
325 {
326 foo();
327 }
328 #pragma omp parallel masked reduction(+ : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 2 {{const-qualified variable cannot be reduction}} expected-error {{'operator+' is a private member of 'S2'}}
329 {
330 foo();
331 }
332 #pragma omp parallel masked reduction(min : a, b, c, d, f) // expected-error {{a reduction list item 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}}
333 {
334 foo();
335 }
336 #pragma omp parallel masked reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
337 {
338 foo();
339 }
340 #pragma omp parallel masked reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
341 {
342 foo();
343 }
344 #pragma omp parallel masked reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
345 {
346 foo();
347 }
348 #pragma omp parallel masked reduction(- : da) // expected-error {{const-qualified variable cannot be reduction}} omp52-warning {{minus(-) operator for reductions is deprecated; use + or user defined reduction instead}}
349 {
350 foo();
351 }
352 #pragma omp parallel masked reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
353 {
354 foo();
355 }
356 #pragma omp parallel masked reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
357 {
358 foo();
359 }
360 #pragma omp parallel masked reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
361 {
362 foo();
363 }
364 #pragma omp parallel masked reduction(& : e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}} expected-error {{invalid operands to binary expression ('S5' and 'S5')}}
365 {
366 foo();
367 }
368 #pragma omp parallel masked reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}
369 {
370 foo();
371 }
372 #pragma omp parallel masked reduction(+ : o, z) // expected-error {{no viable overloaded '='}}
373 {
374 foo();
375 }
376 #pragma omp parallel masked private(i), reduction(+ : j), reduction(+ : q) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
377 {
378 foo();
379 }
380 #pragma omp parallel private(k)
381 #pragma omp parallel masked reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
382 {
383 foo();
384 }
385 #pragma omp parallel masked reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}}
386 {
387 foo();
388 }
389 #pragma omp parallel masked reduction(+ : r) // expected-error {{const-qualified variable cannot be reduction}}
390 {
391 foo();
392 }
393 #pragma omp parallel shared(i)
394 #pragma omp parallel reduction(min : i)
395 #pragma omp parallel masked reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
396 {
397 foo();
398 }
399 #pragma omp parallel private(fl)
400 #pragma omp parallel masked reduction(+ : fl)
401 {
402 foo();
403 }
404 #pragma omp parallel reduction(* : fl)
405 #pragma omp parallel masked reduction(+ : fl)
406 {
407 foo();
408 }
409 static int m;
410 #pragma omp parallel masked reduction(+ : m) // OK
411 {
412 foo();
413 }
414 #pragma omp parallel masked reduction(task, + : m) // omp45-error 2 {{expected expression}} omp45-warning {{missing ':' after reduction identifier - ignoring}}
415 {
416 foo();
417 }
418
419 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}}
420 }
421