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 target parallel reduction // expected-error {{expected '(' after 'reduction'}}
85  foo();
86#pragma omp target parallel reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp target parallel' are ignored}}
87  foo();
88#pragma omp target parallel reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
89  foo();
90#pragma omp target parallel reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
91  foo();
92#pragma omp target parallel reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
93  foo();
94#pragma omp target parallel reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
95  foo();
96#pragma omp target parallel reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
97  foo();
98#pragma omp target parallel reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
99  foo();
100#pragma omp target parallel reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
101  foo();
102#pragma omp target parallel reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}}
103  foo();
104#pragma omp target parallel 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'}}
105  foo();
106#pragma omp target parallel reduction(&& : argc)
107  foo();
108#pragma omp target parallel reduction(^ : T) // expected-error {{'T' does not refer to a value}}
109  foo();
110#pragma omp target parallel 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'}}
111  foo();
112#pragma omp target parallel 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}}
113  foo();
114#pragma omp target parallel reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
115  foo();
116#pragma omp target parallel reduction(+ : ba) // expected-error {{const-qualified list item cannot be reduction}}
117  foo();
118#pragma omp target parallel reduction(* : ca) // expected-error {{const-qualified list item cannot be reduction}}
119  foo();
120#pragma omp target parallel reduction(- : da) // expected-error {{const-qualified list item cannot be reduction}} expected-error {{const-qualified list item cannot be reduction}}
121  foo();
122#pragma omp target parallel reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
123  foo();
124#pragma omp target parallel reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
125  foo();
126#pragma omp target parallel reduction(&& : S2::S2sc) // expected-error {{const-qualified list item cannot be reduction}}
127  foo();
128#pragma omp target parallel reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
129  foo();
130#pragma omp target parallel reduction(+ : o) // expected-error 2 {{no viable overloaded '='}}
131  foo();
132#pragma omp target parallel private(i), reduction(+ : j), reduction(+ : q) // expected-error 4 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
133  foo();
134#pragma omp parallel private(k)
135#pragma omp target parallel reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
136  foo();
137#pragma omp target parallel reduction(+ : p), reduction(+ : p) // expected-error 2 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 2 {{previously referenced here}}
138  foo();
139#pragma omp target parallel reduction(+ : r) // expected-error 2 {{const-qualified list item cannot be reduction}}
140  foo();
141#pragma omp target parallel shared(i)
142  foo();
143#pragma omp parallel reduction(min : i)
144#pragma omp target parallel reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
145  foo();
146#pragma omp target parallel
147#pragma omp for private(fl)
148  for (int i = 0; i < 10; ++i)
149  {}
150#pragma omp target parallel reduction(+ : fl)
151    foo();
152#pragma omp target parallel
153#pragma omp for reduction(- : fl)
154  for (int i = 0; i < 10; ++i)
155  {}
156#pragma omp target parallel reduction(+ : fl)
157    foo();
158
159  return T();
160}
161
162namespace A {
163double x;
164#pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
165}
166namespace B {
167using A::x;
168}
169
170int main(int argc, char **argv) {
171  const int d = 5;       // expected-note 2 {{'d' defined here}}
172  const int da[5] = {0}; // expected-note {{'da' defined here}}
173  int qa[5] = {0};
174  S4 e(4);
175  S5 g(5);
176  int i;
177  int &j = i;                  // expected-note 2 {{'j' defined here}}
178  S3 &p = k;                   // expected-note 2 {{'p' defined here}}
179  const int &r = da[i];        // expected-note {{'r' defined here}}
180  int &q = qa[i];              // expected-note {{'q' defined here}}
181  float fl;
182#pragma omp target parallel reduction // expected-error {{expected '(' after 'reduction'}}
183  foo();
184#pragma omp target parallel reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp target parallel' are ignored}}
185  foo();
186#pragma omp target parallel reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
187  foo();
188#pragma omp target parallel reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
189  foo();
190#pragma omp target parallel reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
191  foo();
192#pragma omp target parallel reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
193  foo();
194#pragma omp target parallel reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
195  foo();
196#pragma omp target parallel reduction(foo : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}}
197  foo();
198#pragma omp target parallel reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
199  foo();
200#pragma omp target parallel reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}}
201  foo();
202#pragma omp target parallel reduction(~ : argc) // expected-error {{expected unqualified-id}}
203  foo();
204#pragma omp target parallel reduction(&& : argc)
205  foo();
206#pragma omp target parallel reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
207  foo();
208#pragma omp target parallel 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'}}
209  foo();
210#pragma omp target parallel 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}}
211  foo();
212#pragma omp target parallel reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
213  foo();
214#pragma omp target parallel reduction(+ : ba) // expected-error {{const-qualified list item cannot be reduction}}
215  foo();
216#pragma omp target parallel reduction(* : ca) // expected-error {{const-qualified list item cannot be reduction}}
217  foo();
218#pragma omp target parallel reduction(- : da) // expected-error {{const-qualified list item cannot be reduction}}
219  foo();
220#pragma omp target parallel reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
221  foo();
222#pragma omp target parallel reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
223  foo();
224#pragma omp target parallel reduction(&& : S2::S2sc) // expected-error {{const-qualified list item cannot be reduction}}
225  foo();
226#pragma omp target parallel reduction(& : e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{nvalid 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')}}
227  foo();
228#pragma omp target parallel reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}
229  foo();
230#pragma omp target parallel reduction(+ : o) // expected-error {{no viable overloaded '='}}
231  foo();
232#pragma omp target parallel private(i), reduction(+ : j), reduction(+ : q) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
233  foo();
234#pragma omp parallel private(k)
235#pragma omp target parallel reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
236  foo();
237#pragma omp target parallel reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}}
238  foo();
239#pragma omp target parallel reduction(+ : r) // expected-error {{const-qualified list item cannot be reduction}}
240  foo();
241#pragma omp target parallel shared(i)
242  foo();
243#pragma omp parallel reduction(min : i)
244#pragma omp target parallel reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
245  foo();
246#pragma omp target parallel
247#pragma omp for private(fl)
248  for (int i = 0; i < 10; ++i)
249  {}
250#pragma omp target parallel reduction(+ : fl)
251    foo();
252#pragma omp target parallel
253#pragma omp for reduction(- : fl)
254  for (int i = 0; i < 10; ++i)
255  {}
256#pragma omp target parallel reduction(+ : fl)
257    foo();
258  static int m;
259#pragma omp target parallel reduction(+ : m) // OK
260  m++;
261
262  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}}
263}
264