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
31 #pragma omp for reduction(+:fp) // expected-warning {{variable 'fp' is uninitialized when used here}}
32 for (int i = 0; i < 10; ++i)
33 ;
34 }
35
foo()36 void foo() {
37 }
38
foobool(int argc)39 bool foobool(int argc) {
40 return argc;
41 }
42
foobar(int & ref)43 void foobar(int &ref) {
44 #pragma omp parallel
45 #pragma omp for reduction(+:ref)
46 for (int i = 0; i < 10; ++i)
47 foo();
48 }
49
50 struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
51 extern S1 a;
52 class S2 {
53 mutable int a;
operator +(const S2 & arg)54 S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}
55
56 public:
S2()57 S2() : a(0) {}
S2(S2 & s2)58 S2(S2 &s2) : a(s2.a) {}
59 static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
60 static const float S2sc; // expected-note 2 {{'S2sc' declared here}}
61 };
62 const float S2::S2sc = 0;
63 S2 b; // expected-note 3 {{'b' defined here}}
64 const S2 ba[5]; // expected-note 2 {{'ba' defined here}}
65 class S3 {
66 int a;
67
68 public:
S3()69 S3() : a(0) {}
S3(const S3 & s3)70 S3(const S3 &s3) : a(s3.a) {}
operator +(const S3 & arg1)71 S3 operator+(const S3 &arg1) { return arg1; }
72 };
operator +(const S3 & arg1,const S3 & arg2)73 int operator+(const S3 &arg1, const S3 &arg2) { return 5; }
74 S3 c; // expected-note 3 {{'c' defined here}}
75 const S3 ca[5]; // expected-note 2 {{'ca' defined here}}
76 extern const int f; // expected-note 4 {{'f' declared here}}
77 class S4 {
78 int a;
79 S4(); // expected-note {{implicitly declared private here}}
80 S4(const S4 &s4);
operator +(const S4 & arg)81 S4 &operator+(const S4 &arg) { return (*this); }
82
83 public:
S4(int v)84 S4(int v) : a(v) {}
85 };
operator &=(S4 & arg1,S4 & arg2)86 S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
87 class S5 {
88 int a;
S5()89 S5() : a(0) {} // expected-note {{implicitly declared private here}}
S5(const S5 & s5)90 S5(const S5 &s5) : a(s5.a) {}
91 S5 &operator+(const S5 &arg);
92
93 public:
S5(int v)94 S5(int v) : a(v) {}
95 };
96 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}}
97 #if __cplusplus >= 201103L // C++11 or later
98 // expected-note@-2 3 {{candidate function (the implicit move assignment operator) not viable: no known conversion from 'int' to 'S6' for 1st argument}}
99 #endif
100 int a;
101
102 public:
S6()103 S6() : a(6) {}
operator int()104 operator int() { return 6; }
105 } o;
106
107 S3 h, k;
108 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
109
110 char *get();
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
124 #pragma omp for reduction // expected-error {{expected '(' after 'reduction'}}
125 for (int i = 0; i < 10; ++i)
126 foo();
127 #pragma omp parallel
128 #pragma omp for reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp for' are ignored}}
129 for (int i = 0; i < 10; ++i)
130 foo();
131 #pragma omp parallel
132 #pragma omp for reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
133 for (int i = 0; i < 10; ++i)
134 foo();
135 #pragma omp parallel
136 #pragma omp for reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
137 for (int i = 0; i < 10; ++i)
138 foo();
139 #pragma omp parallel
140 #pragma omp for reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
141 for (int i = 0; i < 10; ++i)
142 foo();
143 #pragma omp parallel
144 #pragma omp for reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
145 for (int i = 0; i < 10; ++i)
146 foo();
147 #pragma omp parallel
148 #pragma omp for reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
149 for (int i = 0; i < 10; ++i)
150 foo();
151 #pragma omp parallel
152 #pragma omp for reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
153 for (int i = 0; i < 10; ++i)
154 foo();
155 #pragma omp parallel
156 #pragma omp for reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
157 for (int i = 0; i < 10; ++i)
158 foo();
159 #pragma omp parallel
160 #pragma omp for reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name}}
161 for (int i = 0; i < 10; ++i)
162 foo();
163 #pragma omp parallel
164 #pragma omp for 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'}}
165 for (int i = 0; i < 10; ++i)
166 foo();
167 #pragma omp parallel
168 #pragma omp for reduction(&& : argc)
169 for (int i = 0; i < 10; ++i)
170 foo();
171 #pragma omp parallel
172 #pragma omp for reduction(^ : T) // expected-error {{'T' does not refer to a value}}
173 for (int i = 0; i < 10; ++i)
174 foo();
175 #pragma omp parallel
176 #pragma omp for 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'}}
177 for (int i = 0; i < 10; ++i)
178 foo();
179 #pragma omp parallel
180 #pragma omp for reduction(min : z, 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}}
181 for (int i = 0; i < 10; ++i)
182 foo();
183 #pragma omp parallel
184 #pragma omp for reduction(max : qa[1])
185 for (int i = 0; i < 10; ++i)
186 foo();
187 #pragma omp parallel
188 #pragma omp for reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
189 for (int i = 0; i < 10; ++i)
190 foo();
191 #pragma omp parallel
192 #pragma omp for reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
193 for (int i = 0; i < 10; ++i)
194 foo();
195 #pragma omp parallel
196 #pragma omp for 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}}
197 for (int i = 0; i < 10; ++i)
198 foo();
199 #pragma omp parallel
200 #pragma omp for reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
201 for (int i = 0; i < 10; ++i)
202 foo();
203 #pragma omp parallel
204 #pragma omp for reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
205 for (int i = 0; i < 10; ++i)
206 foo();
207 #pragma omp parallel
208 #pragma omp for reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
209 for (int i = 0; i < 10; ++i)
210 foo();
211 #pragma omp parallel
212 #pragma omp for reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
213 for (int i = 0; i < 10; ++i)
214 foo();
215 #pragma omp parallel
216 #pragma omp for reduction(+ : o) // expected-error 2 {{no viable overloaded '='}}
217 for (int i = 0; i < 10; ++i)
218 foo();
219 #pragma omp parallel
220 #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}}
221 for (int i = 0; i < 10; ++i)
222 foo();
223 #pragma omp parallel private(k)
224 #pragma omp for reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
225 for (int i = 0; i < 10; ++i)
226 foo();
227 #pragma omp parallel
228 #pragma omp for reduction(+ : p), reduction(+ : p) // expected-error 2 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 2 {{previously referenced here}}
229 for (int i = 0; i < 10; ++i)
230 foo();
231 #pragma omp parallel
232 #pragma omp for reduction(+ : r) // expected-error 2 {{const-qualified variable cannot be reduction}}
233 for (int i = 0; i < 10; ++i)
234 foo();
235 #pragma omp parallel shared(i)
236 #pragma omp parallel reduction(min : i)
237 #pragma omp for reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
238 for (int i = 0; i < 10; ++i)
239 foo();
240 #pragma omp parallel private(fl) // expected-note 2 {{defined as private}}
241 #pragma omp for reduction(+ : fl) // expected-error 2 {{reduction variable must be shared}}
242 for (int i = 0; i < 10; ++i)
243 foo();
244 #pragma omp parallel private(qa)
245 #pragma omp for reduction(+ : qa[1], get()[0]) // expected-error {{expected variable name as a base of the array subscript}}
246 for (int i = 0; i < 10; ++i)
247 foo();
248 #pragma omp parallel shared(qa)
249 #pragma omp for reduction(+ : qa[1], qa[0])
250 for (int i = 0; i < 10; ++i)
251 foo();
252 #pragma omp parallel reduction(* : fl) // expected-note 2 {{defined as reduction}}
253 #pragma omp for reduction(+ : fl) // expected-error 2 {{reduction variable must be shared}}
254 for (int i = 0; i < 10; ++i)
255 foo();
256
257 return T();
258 }
259
260 namespace A {
261 double x;
262 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
263 }
264 namespace B {
265 using A::x;
266 }
267
main(int argc,char ** argv)268 int main(int argc, char **argv) {
269 const int d = 5; // expected-note 2 {{'d' defined here}}
270 const int da[5] = {0}; // expected-note {{'da' defined here}}
271 int qa[5] = {0};
272 S4 e(4);
273 S5 g(5);
274 int i, z;
275 int &j = i; // expected-note 2 {{'j' defined here}}
276 S3 &p = k; // expected-note 2 {{'p' defined here}}
277 const int &r = da[i]; // expected-note {{'r' defined here}}
278 int &q = qa[i]; // expected-note {{'q' defined here}}
279 float fl;
280 #pragma omp parallel
281 #pragma omp for reduction // expected-error {{expected '(' after 'reduction'}}
282 for (int i = 0; i < 10; ++i)
283 foo();
284 #pragma omp parallel
285 #pragma omp for reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp for' are ignored}}
286 for (int i = 0; i < 10; ++i)
287 foo();
288 #pragma omp parallel
289 #pragma omp for reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
290 for (int i = 0; i < 10; ++i)
291 foo();
292 #pragma omp parallel
293 #pragma omp for reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
294 for (int i = 0; i < 10; ++i)
295 foo();
296 #pragma omp parallel
297 #pragma omp for reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
298 for (int i = 0; i < 10; ++i)
299 foo();
300 #pragma omp parallel
301 #pragma omp for reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
302 for (int i = 0; i < 10; ++i)
303 foo();
304 #pragma omp parallel
305 #pragma omp for reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
306 for (int i = 0; i < 10; ++i)
307 foo();
308 #pragma omp parallel
309 #pragma omp for 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'}}
310 for (int i = 0; i < 10; ++i)
311 foo();
312 #pragma omp parallel
313 #pragma omp for reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
314 for (int i = 0; i < 10; ++i)
315 foo();
316 #pragma omp parallel
317 #pragma omp for reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
318 for (int i = 0; i < 10; ++i)
319 foo();
320 #pragma omp parallel
321 #pragma omp for reduction(~ : argc) // expected-error {{expected unqualified-id}}
322 for (int i = 0; i < 10; ++i)
323 foo();
324 #pragma omp parallel
325 #pragma omp for 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 '('}}
326 for (int i = 0; i < 10; ++i)
327 foo();
328 #pragma omp parallel
329 #pragma omp for reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
330 for (int i = 0; i < 10; ++i)
331 foo();
332 #pragma omp parallel
333 #pragma omp for 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'}}
334 for (int i = 0; i < 10; ++i)
335 foo();
336 #pragma omp parallel
337 #pragma omp for 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}}
338 for (int i = 0; i < 10; ++i)
339 foo();
340 #pragma omp parallel
341 #pragma omp for reduction(max : argv[1], z)
342 for (int i = 0; i < 10; ++i)
343 foo();
344 #pragma omp parallel
345 #pragma omp for reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
346 for (int i = 0; i < 10; ++i)
347 foo();
348 #pragma omp parallel
349 #pragma omp for reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
350 for (int i = 0; i < 10; ++i)
351 foo();
352 #pragma omp parallel
353 #pragma omp for reduction(- : da) // expected-error {{const-qualified variable cannot be reduction}} omp52-warning {{minus(-) operator for reductions is deprecated; use + or user defined reduction instead}}
354 for (int i = 0; i < 10; ++i)
355 foo();
356 #pragma omp parallel
357 #pragma omp for reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
358 for (int i = 0; i < 10; ++i)
359 foo();
360 #pragma omp parallel
361 #pragma omp for reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
362 for (int i = 0; i < 10; ++i)
363 foo();
364 #pragma omp parallel
365 #pragma omp for reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
366 for (int i = 0; i < 10; ++i)
367 foo();
368 #pragma omp parallel
369 #pragma omp for 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')}}
370 for (int i = 0; i < 10; ++i)
371 foo();
372 #pragma omp parallel
373 #pragma omp for reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
374 for (int i = 0; i < 10; ++i)
375 foo();
376 #pragma omp parallel
377 #pragma omp for reduction(+ : B::x, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
378 for (int i = 0; i < 10; ++i)
379 foo();
380 #pragma omp parallel
381 #pragma omp for reduction(+ : o) // expected-error {{no viable overloaded '='}}
382 for (int i = 0; i < 10; ++i)
383 foo();
384 #pragma omp parallel
385 #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}}
386 for (int i = 0; i < 10; ++i)
387 foo();
388 #pragma omp parallel private(k)
389 #pragma omp for reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
390 for (int i = 0; i < 10; ++i)
391 foo();
392 #pragma omp parallel
393 #pragma omp for reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}}
394 for (int i = 0; i < 10; ++i)
395 foo();
396 #pragma omp parallel
397 #pragma omp for reduction(+ : r) // expected-error {{const-qualified variable cannot be reduction}}
398 for (int i = 0; i < 10; ++i)
399 foo();
400 #pragma omp parallel shared(i)
401 #pragma omp parallel reduction(min : i)
402 #pragma omp for reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
403 for (int i = 0; i < 10; ++i)
404 foo();
405 #pragma omp parallel private(fl) // expected-note {{defined as private}}
406 #pragma omp for reduction(+ : fl) // expected-error {{reduction variable must be shared}}
407 for (int i = 0; i < 10; ++i)
408 foo();
409 #pragma omp parallel private(argv)
410 #pragma omp for reduction(+ : argv[1], get()[0]) // expected-error {{expected variable name as a base of the array subscript}} expected-error {{invalid operands to binary expression ('char *' and 'char *')}}
411 for (int i = 0; i < 10; ++i)
412 foo();
413 #pragma omp parallel shared(qa)
414 #pragma omp for reduction(+ : qa[1], qa[0])
415 for (int i = 0; i < 10; ++i)
416 foo();
417 #pragma omp parallel reduction(* : fl) // expected-note {{defined as reduction}}
418 #pragma omp for reduction(+ : fl) // expected-error {{reduction variable must be shared}}
419 for (int i = 0; i < 10; ++i)
420 foo();
421 static int m=0;
422 #pragma omp for reduction(+:m)
423 for (int i = 0; i < 10; ++i)
424 m++;
425 #pragma omp for reduction(task, +:m) // omp45-error 2 {{expected expression}} omp45-warning {{missing ':' after reduction identifier - ignoring}}
426 for (int i = 0; i < 10; ++i)
427 m++;
428
429 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}}
430 }
431