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