1 // RUN: %clang_cc1 -verify -fopenmp=libiomp5 %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 simd reduction // expected-error {{expected '(' after 'reduction'}}
80   for (int i = 0; i < 10; ++i)
81     foo();
82 #pragma omp parallel
83 #pragma omp for simd reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp for simd' are ignored}}
84   for (int i = 0; i < 10; ++i)
85     foo();
86 #pragma omp parallel
87 #pragma omp for simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd reduction(&& : argc)
124   for (int i = 0; i < 10; ++i)
125     foo();
126 #pragma omp parallel
127 #pragma omp for simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd reduction // expected-error {{expected '(' after 'reduction'}}
221   for (int i = 0; i < 10; ++i)
222     foo();
223 #pragma omp parallel
224 #pragma omp for simd reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp for simd' are ignored}}
225   for (int i = 0; i < 10; ++i)
226     foo();
227 #pragma omp parallel
228 #pragma omp for simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd reduction(&& : argc)
265   for (int i = 0; i < 10; ++i)
266     foo();
267 #pragma omp parallel
268 #pragma omp for simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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