1// RUN: %clang_cc1 -verify -fopenmp=libiomp5 -ferror-limit 100 -o - %s
2
3void foo() {
4}
5
6bool foobool(int argc) {
7  return argc;
8}
9
10struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
11extern S1 a;
12class S2 {
13  mutable int a;
14  S2 &operator+(const S2 &arg) { return (*this); } // expected-note 4 {{implicitly declared private here}}
15
16public:
17  S2() : a(0) {}
18  S2(S2 &s2) : a(s2.a) {}
19  static float S2s;
20  static const float S2sc;
21};
22const float S2::S2sc = 0; // expected-note 2 {{'S2sc' defined here}}
23S2 b;                     // expected-note 2 {{'b' defined here}}
24const S2 ba[5];           // expected-note 2 {{'ba' defined here}}
25class S3 {
26  int a;
27
28public:
29  S3() : a(0) {}
30  S3(const S3 &s3) : a(s3.a) {}
31  S3 operator+(const S3 &arg1) { return arg1; }
32};
33int operator+(const S3 &arg1, const S3 &arg2) { return 5; }
34S3 c;               // expected-note 2 {{'c' defined here}}
35const S3 ca[5];     // expected-note 2 {{'ca' defined here}}
36extern const int f; // expected-note 4 {{'f' declared here}}
37class S4 {
38  int a;
39  S4(); // expected-note {{implicitly declared private here}}
40  S4(const S4 &s4);
41  S4 &operator+(const S4 &arg) { return (*this); }
42
43public:
44  S4(int v) : a(v) {}
45};
46S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
47class S5 {
48  int a;
49  S5() : a(0) {} // expected-note {{implicitly declared private here}}
50  S5(const S5 &s5) : a(s5.a) {}
51  S5 &operator+(const S5 &arg);
52
53public:
54  S5(int v) : a(v) {}
55};
56class S6 { // expected-note 2 {{candidate function (the implicit copy assignment operator) not viable: no known conversion from 'int' to 'const S6' for 1st argument}}
57  int a;
58
59public:
60  S6() : a(6) {}
61  operator int() { return 6; }
62} o;
63
64S3 h, k;
65#pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
66
67template <class T>       // expected-note {{declared here}}
68T tmain(T argc) {
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;
78#pragma omp parallel for reduction // expected-error {{expected '(' after 'reduction'}}
79  for (int i = 0; i < 10; ++i)
80    foo();
81#pragma omp parallel for reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp parallel for' are ignored}}
82  for (int i = 0; i < 10; ++i)
83    foo();
84#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 '('}}
85  for (int i = 0; i < 10; ++i)
86    foo();
87#pragma omp parallel for reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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}}
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}}
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(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
100  for (int i = 0; i < 10; ++i)
101    foo();
102#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')}}
103  for (int i = 0; i < 10; ++i)
104    foo();
105#pragma omp parallel for reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name}}
106  for (int i = 0; i < 10; ++i)
107    foo();
108#pragma omp parallel for reduction(foo : argc) //expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}}
109  for (int i = 0; i < 10; ++i)
110    foo();
111#pragma omp parallel for reduction(&& : argc)
112  for (int i = 0; i < 10; ++i)
113    foo();
114#pragma omp parallel for reduction(^ : T) // expected-error {{'T' does not refer to a value}}
115  for (int i = 0; i < 10; ++i)
116    foo();
117#pragma omp parallel for reduction(+ : a, b, c, d, f) // expected-error {{reduction variable with incomplete type 'S1'}} expected-error 3 {{const-qualified variable cannot be reduction}} expected-error 3 {{'operator+' is a private member of 'S2'}}
118  for (int i = 0; i < 10; ++i)
119    foo();
120#pragma omp parallel for 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}}
121  for (int i = 0; i < 10; ++i)
122    foo();
123#pragma omp parallel for reduction(max : qa[1]) // expected-error 2 {{expected variable name}}
124  for (int i = 0; i < 10; ++i)
125    foo();
126#pragma omp parallel for reduction(+ : ba) // expected-error {{a reduction variable with array type 'const S2 [5]'}}
127  for (int i = 0; i < 10; ++i)
128    foo();
129#pragma omp parallel for reduction(* : ca) // expected-error {{a reduction variable with array type 'const S3 [5]'}}
130  for (int i = 0; i < 10; ++i)
131    foo();
132#pragma omp parallel for reduction(- : da) // expected-error {{a reduction variable with array type 'const int [5]'}} expected-error {{a reduction variable with array type 'const float [5]'}}
133  for (int i = 0; i < 10; ++i)
134    foo();
135#pragma omp parallel for reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
136  for (int i = 0; i < 10; ++i)
137    foo();
138#pragma omp parallel for reduction(&& : S2::S2s)
139  for (int i = 0; i < 10; ++i)
140    foo();
141#pragma omp parallel for reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
142  for (int i = 0; i < 10; ++i)
143    foo();
144#pragma omp parallel for reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
145  for (int i = 0; i < 10; ++i)
146    foo();
147#pragma omp parallel for reduction(+ : o) // expected-error {{no viable overloaded '='}}
148  for (int i = 0; i < 10; ++i)
149    foo();
150#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}}
151  for (int i = 0; i < 10; ++i)
152    foo();
153#pragma omp parallel private(k)
154#pragma omp parallel for reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
155  for (int i = 0; i < 10; ++i)
156    foo();
157#pragma omp parallel for reduction(+ : p), reduction(+ : p) // expected-error 3 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 3 {{previously referenced here}}
158  for (int i = 0; i < 10; ++i)
159    foo();
160#pragma omp parallel for reduction(+ : r) // expected-error 2 {{const-qualified variable cannot be reduction}}
161  for (int i = 0; i < 10; ++i)
162    foo();
163#pragma omp parallel shared(i)
164#pragma omp parallel reduction(min : i)
165#pragma omp parallel for reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
166  for (int i = 0; i < 10; ++i)
167    foo();
168#pragma omp parallel private(fl)
169#pragma omp parallel for reduction(+ : fl)
170  for (int i = 0; i < 10; ++i)
171    foo();
172#pragma omp parallel reduction(* : fl)
173#pragma omp parallel for reduction(+ : fl)
174  for (int i = 0; i < 10; ++i)
175    foo();
176
177  return T();
178}
179
180namespace A {
181double x;
182#pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
183}
184namespace B {
185using A::x;
186}
187
188int main(int argc, char **argv) {
189  const int d = 5;       // expected-note 2 {{'d' defined here}}
190  const int da[5] = {0}; // expected-note {{'da' defined here}}
191  int qa[5] = {0};
192  S4 e(4);
193  S5 g(5);
194  int i;
195  int &j = i;                      // expected-note 2 {{'j' defined here}}
196  S3 &p = k;                       // expected-note 2 {{'p' defined here}}
197  const int &r = da[i];            // expected-note {{'r' defined here}}
198  int &q = qa[i];                  // expected-note {{'q' defined here}}
199  float fl;
200#pragma omp parallel for reduction // expected-error {{expected '(' after 'reduction'}}
201  for (int i = 0; i < 10; ++i)
202    foo();
203#pragma omp parallel for reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp parallel for' are ignored}}
204  for (int i = 0; i < 10; ++i)
205    foo();
206#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 '('}}
207  for (int i = 0; i < 10; ++i)
208    foo();
209#pragma omp parallel for reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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}}
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}}
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(foo : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}}
222  for (int i = 0; i < 10; ++i)
223    foo();
224#pragma omp parallel for reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
225  for (int i = 0; i < 10; ++i)
226    foo();
227#pragma omp parallel for reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
228  for (int i = 0; i < 10; ++i)
229    foo();
230#pragma omp parallel for reduction(~ : argc) // expected-error {{expected unqualified-id}}
231  for (int i = 0; i < 10; ++i)
232    foo();
233#pragma omp parallel for reduction(&& : argc)
234  for (int i = 0; i < 10; ++i)
235    foo();
236#pragma omp parallel for reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
237  for (int i = 0; i < 10; ++i)
238    foo();
239#pragma omp parallel for reduction(+ : a, b, c, d, f) // expected-error {{reduction variable with incomplete type 'S1'}} expected-error 2 {{const-qualified variable cannot be reduction}} expected-error {{'operator+' is a private member of 'S2'}}
240  for (int i = 0; i < 10; ++i)
241    foo();
242#pragma omp parallel for 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}}
243  for (int i = 0; i < 10; ++i)
244    foo();
245#pragma omp parallel for reduction(max : argv[1]) // expected-error {{expected variable name}}
246  for (int i = 0; i < 10; ++i)
247    foo();
248#pragma omp parallel for reduction(+ : ba) // expected-error {{a reduction variable with array type 'const S2 [5]'}}
249  for (int i = 0; i < 10; ++i)
250    foo();
251#pragma omp parallel for reduction(* : ca) // expected-error {{a reduction variable with array type 'const S3 [5]'}}
252  for (int i = 0; i < 10; ++i)
253    foo();
254#pragma omp parallel for reduction(- : da) // expected-error {{a reduction variable with array type 'const int [5]'}}
255  for (int i = 0; i < 10; ++i)
256    foo();
257#pragma omp parallel for reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
258  for (int i = 0; i < 10; ++i)
259    foo();
260#pragma omp parallel for reduction(&& : S2::S2s)
261  for (int i = 0; i < 10; ++i)
262    foo();
263#pragma omp parallel for reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
264  for (int i = 0; i < 10; ++i)
265    foo();
266#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')}}
267  for (int i = 0; i < 10; ++i)
268    foo();
269#pragma omp parallel for reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}
270  for (int i = 0; i < 10; ++i)
271    foo();
272#pragma omp parallel for reduction(+ : o) // expected-error {{no viable overloaded '='}}
273  for (int i = 0; i < 10; ++i)
274    foo();
275#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}}
276  for (int i = 0; i < 10; ++i)
277    foo();
278#pragma omp parallel private(k)
279#pragma omp parallel for reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
280  for (int i = 0; i < 10; ++i)
281    foo();
282#pragma omp parallel for reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}}
283  for (int i = 0; i < 10; ++i)
284    foo();
285#pragma omp parallel for reduction(+ : r) // expected-error {{const-qualified variable cannot be reduction}}
286  for (int i = 0; i < 10; ++i)
287    foo();
288#pragma omp parallel shared(i)
289#pragma omp parallel reduction(min : i)
290#pragma omp parallel for reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
291  for (int i = 0; i < 10; ++i)
292    foo();
293#pragma omp parallel private(fl)
294#pragma omp parallel for reduction(+ : fl)
295  for (int i = 0; i < 10; ++i)
296    foo();
297#pragma omp parallel reduction(* : fl)
298#pragma omp parallel for reduction(+ : fl)
299  for (int i = 0; i < 10; ++i)
300    foo();
301
302  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}}
303}
304