1 // RUN: %clang_cc1 -verify -fopenmp %s
2 
3 void foo() {
4 }
5 
6 bool foobool(int argc) {
7   return argc;
8 }
9 
10 struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
11 extern S1 a;
12 class S2 {
13   mutable int a;
14   S2 &operator+(const S2 &arg) { return (*this); } // expected-note 4 {{implicitly declared private here}}
15 
16 public:
17   S2() : a(0) {}
18   S2(S2 &s2) : a(s2.a) {}
19   static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
20   static const float S2sc;
21 };
22 const float S2::S2sc = 0; // expected-note 2 {{'S2sc' defined here}}
23 S2 b;                     // expected-note 2 {{'b' defined here}}
24 const S2 ba[5];           // expected-note 2 {{'ba' defined here}}
25 class S3 {
26   int a;
27 
28 public:
29   S3() : a(0) {}
30   S3(const S3 &s3) : a(s3.a) {}
31   S3 operator+(const S3 &arg1) { return arg1; }
32 };
33 int operator+(const S3 &arg1, const S3 &arg2) { return 5; }
34 S3 c;               // expected-note 2 {{'c' defined here}}
35 const S3 ca[5];     // expected-note 2 {{'ca' defined here}}
36 extern const int f; // expected-note 4 {{'f' declared here}}
37 class 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 
43 public:
44   S4(int v) : a(v) {}
45 };
46 S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
47 class 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 
53 public:
54   S5(int v) : a(v) {}
55 };
56 class 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 
59 public:
60   S6() : a(6) {}
61   operator int() { return 6; }
62 } o;
63 
64 S3 h, k;
65 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
66 
67 template <class T>       // expected-note {{declared here}}
68 T 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 simd reduction // expected-error {{expected '(' after 'reduction'}}
79   for (int i = 0; i < 10; ++i)
80     foo();
81 #pragma omp simd reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp simd' are ignored}}
82   for (int i = 0; i < 10; ++i)
83     foo();
84 #pragma omp simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 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')}}
103   for (int i = 0; i < 10; ++i)
104     foo();
105 #pragma omp simd reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name}}
106   for (int i = 0; i < 10; ++i)
107     foo();
108 #pragma omp simd 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 simd reduction(&& : argc)
112   for (int i = 0; i < 10; ++i)
113     foo();
114 #pragma omp simd reduction(^ : T) // expected-error {{'T' does not refer to a value}}
115   for (int i = 0; i < 10; ++i)
116     foo();
117 #pragma omp simd 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 simd 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 simd reduction(max : qa[1]) // expected-error 2 {{expected variable name}}
124   for (int i = 0; i < 10; ++i)
125     foo();
126 #pragma omp simd 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 simd 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 simd 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 simd 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 simd reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
139   for (int i = 0; i < 10; ++i)
140     foo();
141 #pragma omp simd reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
142   for (int i = 0; i < 10; ++i)
143     foo();
144 #pragma omp simd 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 simd reduction(+ : o) // expected-error {{no viable overloaded '='}}
148   for (int i = 0; i < 10; ++i)
149     foo();
150 #pragma omp simd 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 simd reduction(+ : j), reduction(+ : q) // OK
154   for (int i = 0; i < 10; ++i)
155     foo();
156 #pragma omp parallel private(k)
157 #pragma omp simd reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
158   for (int i = 0; i < 10; ++i)
159     foo();
160 #pragma omp simd reduction(+ : p), reduction(+ : p) // expected-error 3 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 3 {{previously referenced here}}
161   for (int i = 0; i < 10; ++i)
162     foo();
163 #pragma omp simd reduction(+ : r) // expected-error 2 {{const-qualified variable cannot be reduction}}
164   for (int i = 0; i < 10; ++i)
165     foo();
166 #pragma omp parallel shared(i)
167 #pragma omp parallel reduction(min : i)
168 #pragma omp simd reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
169   for (int i = 0; i < 10; ++i)
170     foo();
171 #pragma omp parallel private(fl)
172 #pragma omp simd reduction(+ : fl)
173   for (int i = 0; i < 10; ++i)
174     foo();
175 #pragma omp parallel reduction(* : fl)
176 #pragma omp simd reduction(+ : fl)
177   for (int i = 0; i < 10; ++i)
178     foo();
179 
180   return T();
181 }
182 
183 namespace A {
184 double x;
185 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
186 }
187 namespace B {
188 using A::x;
189 }
190 
191 int main(int argc, char **argv) {
192   const int d = 5;       // expected-note 2 {{'d' defined here}}
193   const int da[5] = {0}; // expected-note {{'da' defined here}}
194   int qa[5] = {0};
195   S4 e(4);
196   S5 g(5);
197   int i;
198   int &j = i;                      // expected-note 2 {{'j' defined here}}
199   S3 &p = k;                       // expected-note 2 {{'p' defined here}}
200   const int &r = da[i];            // expected-note {{'r' defined here}}
201   int &q = qa[i];                  // expected-note {{'q' defined here}}
202   float fl;
203 #pragma omp simd reduction // expected-error {{expected '(' after 'reduction'}}
204   for (int i = 0; i < 10; ++i)
205     foo();
206 #pragma omp simd reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp simd' are ignored}}
207   for (int i = 0; i < 10; ++i)
208     foo();
209 #pragma omp simd reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
210   for (int i = 0; i < 10; ++i)
211     foo();
212 #pragma omp simd reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
213   for (int i = 0; i < 10; ++i)
214     foo();
215 #pragma omp simd reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
216   for (int i = 0; i < 10; ++i)
217     foo();
218 #pragma omp simd reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
219   for (int i = 0; i < 10; ++i)
220     foo();
221 #pragma omp simd reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
222   for (int i = 0; i < 10; ++i)
223     foo();
224 #pragma omp simd reduction(foo : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}}
225   for (int i = 0; i < 10; ++i)
226     foo();
227 #pragma omp simd reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
228   for (int i = 0; i < 10; ++i)
229     foo();
230 #pragma omp simd reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
231   for (int i = 0; i < 10; ++i)
232     foo();
233 #pragma omp simd reduction(~ : argc) // expected-error {{expected unqualified-id}}
234   for (int i = 0; i < 10; ++i)
235     foo();
236 #pragma omp simd reduction(&& : argc)
237   for (int i = 0; i < 10; ++i)
238     foo();
239 #pragma omp simd reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
240   for (int i = 0; i < 10; ++i)
241     foo();
242 #pragma omp simd 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'}}
243   for (int i = 0; i < 10; ++i)
244     foo();
245 #pragma omp simd 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}}
246   for (int i = 0; i < 10; ++i)
247     foo();
248 #pragma omp simd reduction(max : argv[1]) // expected-error {{expected variable name}}
249   for (int i = 0; i < 10; ++i)
250     foo();
251 #pragma omp simd reduction(+ : ba) // expected-error {{a reduction variable with array type 'const S2 [5]'}}
252   for (int i = 0; i < 10; ++i)
253     foo();
254 #pragma omp simd reduction(* : ca) // expected-error {{a reduction variable with array type 'const S3 [5]'}}
255   for (int i = 0; i < 10; ++i)
256     foo();
257 #pragma omp simd reduction(- : da) // expected-error {{a reduction variable with array type 'const int [5]'}}
258   for (int i = 0; i < 10; ++i)
259     foo();
260 #pragma omp simd reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
261   for (int i = 0; i < 10; ++i)
262     foo();
263 #pragma omp simd reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
264   for (int i = 0; i < 10; ++i)
265     foo();
266 #pragma omp simd reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
267   for (int i = 0; i < 10; ++i)
268     foo();
269 #pragma omp 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')}}
270   for (int i = 0; i < 10; ++i)
271     foo();
272 #pragma omp simd reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}
273   for (int i = 0; i < 10; ++i)
274     foo();
275 #pragma omp simd reduction(+ : o) // expected-error {{no viable overloaded '='}}
276   for (int i = 0; i < 10; ++i)
277     foo();
278 #pragma omp simd private(i), reduction(+ : j), reduction(+ : q) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
279   for (int i = 0; i < 10; ++i)
280     foo();
281 #pragma omp parallel private(k)
282 #pragma omp simd reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
283   for (int i = 0; i < 10; ++i)
284     foo();
285 #pragma omp simd reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}}
286   for (int i = 0; i < 10; ++i)
287     foo();
288 #pragma omp simd reduction(+ : r) // expected-error {{const-qualified variable cannot be reduction}}
289   for (int i = 0; i < 10; ++i)
290     foo();
291 #pragma omp parallel shared(i)
292 #pragma omp parallel reduction(min : i)
293 #pragma omp simd reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
294   for (int i = 0; i < 10; ++i)
295     foo();
296 #pragma omp parallel private(fl)
297 #pragma omp simd reduction(+ : fl)
298   for (int i = 0; i < 10; ++i)
299     foo();
300 #pragma omp parallel reduction(* : fl)
301 #pragma omp simd reduction(+ : fl)
302   for (int i = 0; i < 10; ++i)
303     foo();
304 
305   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}}
306 }
307