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