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