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