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