1 // RUN: %clang_cc1 -verify -fopenmp -o - %s -Wuninitialized
2 // RUN: %clang_cc1 -verify -fopenmp -std=c++98 -o - %s -Wuninitialized
3 // RUN: %clang_cc1 -verify -fopenmp -std=c++11 -o - %s -Wuninitialized
4 
5 // RUN: %clang_cc1 -verify -fopenmp-simd -o - %s -Wuninitialized
6 // RUN: %clang_cc1 -verify -fopenmp-simd -std=c++98 -o - %s -Wuninitialized
7 // RUN: %clang_cc1 -verify -fopenmp-simd -std=c++11 -o - %s -Wuninitialized
8 
9 extern int omp_default_mem_alloc;
10 void foo() {
11 }
12 
13 bool foobool(int argc) {
14   return argc;
15 }
16 
17 void foobar(int &ref) {
18 #pragma omp parallel for simd reduction(+:ref)
19   for (int i = 0; i < 10; ++i)
20     foo();
21 }
22 
23 struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
24 extern S1 a;
25 class S2 {
26   mutable int a;
27   S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}
28 
29 public:
30   S2() : a(0) {}
31   S2(S2 &s2) : a(s2.a) {}
32   static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
33   static const float S2sc; // expected-note 2 {{'S2sc' declared here}}
34 };
35 const float S2::S2sc = 0;
36 S2 b;                     // expected-note 3 {{'b' defined here}}
37 const S2 ba[5];           // expected-note 2 {{'ba' defined here}}
38 class S3 {
39   int a;
40 
41 public:
42   int b;
43   S3() : a(0) {}
44   S3(const S3 &s3) : a(s3.a) {}
45   S3 operator+(const S3 &arg1) { return arg1; }
46 };
47 int operator+(const S3 &arg1, const S3 &arg2) { return 5; }
48 S3 c;               // expected-note 3 {{'c' defined here}}
49 const S3 ca[5];     // expected-note 2 {{'ca' defined here}}
50 extern const int f; // expected-note 4 {{'f' declared here}}
51 class S4 {
52   int a;
53   S4(); // expected-note {{implicitly declared private here}}
54   S4(const S4 &s4);
55   S4 &operator+(const S4 &arg) { return (*this); }
56 
57 public:
58   S4(int v) : a(v) {}
59 };
60 S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
61 class S5 {
62   int a;
63   S5() : a(0) {} // expected-note {{implicitly declared private here}}
64   S5(const S5 &s5) : a(s5.a) {}
65   S5 &operator+(const S5 &arg);
66 
67 public:
68   S5(int v) : a(v) {}
69 };
70 class S6 { // expected-note 3 {{candidate function (the implicit copy assignment operator) not viable: no known conversion from 'int' to 'const S6' for 1st argument}}
71 #if __cplusplus >= 201103L // C++11 or later
72 // expected-note@-2 3 {{candidate function (the implicit move assignment operator) not viable}}
73 #endif
74   int a;
75 
76 public:
77   S6() : a(6) {}
78   operator int() { return 6; }
79 } o;
80 
81 S3 h, k;
82 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
83 
84 template <class T>       // expected-note {{declared here}}
85 T tmain(T argc) {
86   const T d = T();       // expected-note 4 {{'d' defined here}}
87   const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}
88   T qa[5] = {T()};
89   T i, z;
90   T &j = i;                        // expected-note 4 {{'j' defined here}}
91   S3 &p = k;                       // expected-note 2 {{'p' defined here}}
92   const T &r = da[(int)i];         // expected-note 2 {{'r' defined here}}
93   T &q = qa[(int)i];               // expected-note 2 {{'q' defined here}}
94   T fl;
95 #pragma omp parallel for simd reduction // expected-error {{expected '(' after 'reduction'}}
96   for (int i = 0; i < 10; ++i)
97     foo();
98 #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}}
99   for (int i = 0; i < 10; ++i)
100     foo();
101 #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 '('}}
102   for (int i = 0; i < 10; ++i)
103     foo();
104 #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 '('}}
105   for (int i = 0; i < 10; ++i)
106     foo();
107 #pragma omp parallel for simd reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
108   for (int i = 0; i < 10; ++i)
109     foo();
110 #pragma omp parallel for simd reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
111   for (int i = 0; i < 10; ++i)
112     foo();
113 #pragma omp parallel for simd reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
114   for (int i = 0; i < 10; ++i)
115     foo();
116 #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')}}
117   for (int i = 0; i < 10; ++i)
118     foo();
119 #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')}}
120   for (int i = 0; i < 10; ++i)
121     foo();
122 #pragma omp parallel for simd reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}}
123   for (int i = 0; i < 10; ++i)
124     foo();
125 #pragma omp parallel for simd 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'}}
126   for (int i = 0; i < 10; ++i)
127     foo();
128 #pragma omp parallel for simd reduction(&& : argc) allocate , allocate(, allocate(omp_default , allocate(omp_default_mem_alloc, allocate(omp_default_mem_alloc:, allocate(omp_default_mem_alloc: argc, allocate(omp_default_mem_alloc: argv), allocate(argv) // expected-error {{expected '(' after 'allocate'}} expected-error 2 {{expected expression}} expected-error 2 {{expected ')'}} expected-error {{use of undeclared identifier 'omp_default'}} expected-note 2 {{to match this '('}}
129   for (int i = 0; i < 10; ++i)
130     foo();
131 #pragma omp parallel for simd reduction(^ : T) // expected-error {{'T' does not refer to a value}}
132   for (int i = 0; i < 10; ++i)
133     foo();
134 #pragma omp parallel for simd reduction(+ : z, a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 3 {{const-qualified variable cannot be reduction}} expected-error 2 {{'operator+' is a private member of 'S2'}}
135   for (int i = 0; i < 10; ++i)
136     foo();
137 #pragma omp parallel for simd 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 variable cannot be reduction}}
138   for (int i = 0; i < 10; ++i)
139     foo();
140 #pragma omp parallel for simd reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
141   for (int i = 0; i < 10; ++i)
142     foo();
143 #pragma omp parallel for simd reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
144   for (int i = 0; i < 10; ++i)
145     foo();
146 #pragma omp parallel for simd reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
147   for (int i = 0; i < 10; ++i)
148     foo();
149 #pragma omp parallel for simd reduction(- : da) // expected-error {{const-qualified variable cannot be reduction}} expected-error {{const-qualified variable cannot be reduction}}
150   for (int i = 0; i < 10; ++i)
151     foo();
152 #pragma omp parallel for simd reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
153   for (int i = 0; i < 10; ++i)
154     foo();
155 #pragma omp parallel for simd reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
156   for (int i = 0; i < 10; ++i)
157     foo();
158 #pragma omp parallel for simd reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
159   for (int i = 0; i < 10; ++i)
160     foo();
161 #pragma omp parallel for simd reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
162   for (int i = 0; i < 10; ++i)
163     foo();
164 #pragma omp parallel for simd reduction(+ : o) // expected-error 2 {{no viable overloaded '='}}
165   for (int i = 0; i < 10; ++i)
166     foo();
167 #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}}
168   for (int i = 0; i < 10; ++i)
169     foo();
170 #pragma omp parallel private(k)
171 #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}}
172   for (int i = 0; i < 10; ++i)
173     foo();
174 #pragma omp parallel for simd reduction(+ : p), reduction(+ : p) // expected-error 2 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 2 {{previously referenced here}}
175   for (int i = 0; i < 10; ++i)
176     foo();
177 #pragma omp parallel for simd reduction(+ : r) // expected-error 2 {{const-qualified variable cannot be reduction}}
178   for (int i = 0; i < 10; ++i)
179     foo();
180 #pragma omp parallel shared(i)
181 #pragma omp parallel reduction(min : i)
182 #pragma omp parallel for simd reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
183   for (int i = 0; i < 10; ++i)
184     foo();
185 #pragma omp parallel private(fl)
186 #pragma omp parallel for simd reduction(+ : fl)
187   for (int i = 0; i < 10; ++i)
188     foo();
189 #pragma omp parallel reduction(* : fl)
190 #pragma omp parallel for simd reduction(+ : fl)
191   for (int i = 0; i < 10; ++i)
192     foo();
193 
194   return T();
195 }
196 
197 namespace A {
198 double x;
199 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
200 }
201 namespace B {
202 using A::x;
203 }
204 
205 int main(int argc, char **argv) {
206   const int d = 5;       // expected-note 2 {{'d' defined here}}
207   const int da[5] = {0}; // expected-note {{'da' defined here}}
208   int qa[5] = {0};
209   S4 e(4);
210   S5 g(5);
211   int i, z;
212   int &j = i;                      // expected-note 2 {{'j' defined here}}
213   S3 &p = k;                       // expected-note 2 {{'p' defined here}}
214   const int &r = da[i];            // expected-note {{'r' defined here}}
215   int &q = qa[i];                  // expected-note {{'q' defined here}}
216   float fl;
217 #pragma omp parallel for simd reduction // expected-error {{expected '(' after 'reduction'}}
218   for (int i = 0; i < 10; ++i)
219     foo();
220 #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}}
221   for (int i = 0; i < 10; ++i)
222     foo();
223 #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 '('}}
224   for (int i = 0; i < 10; ++i)
225     foo();
226 #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 '('}}
227   for (int i = 0; i < 10; ++i)
228     foo();
229 #pragma omp parallel for simd reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
230   for (int i = 0; i < 10; ++i)
231     foo();
232 #pragma omp parallel for simd reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
233   for (int i = 0; i < 10; ++i)
234     foo();
235 #pragma omp parallel for simd reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
236   for (int i = 0; i < 10; ++i)
237     foo();
238 #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'}}
239   for (int i = 0; i < 10; ++i)
240     foo();
241 #pragma omp parallel for simd reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
242   for (int i = 0; i < 10; ++i)
243     foo();
244 #pragma omp parallel for simd reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}}
245   for (int i = 0; i < 10; ++i)
246     foo();
247 #pragma omp parallel for simd reduction(~ : argc) // expected-error {{expected unqualified-id}}
248   for (int i = 0; i < 10; ++i)
249     foo();
250 #pragma omp parallel for simd reduction(&& : argc, z)
251   for (int i = 0; i < 10; ++i)
252     foo();
253 #pragma omp parallel for simd reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
254   for (int i = 0; i < 10; ++i)
255     foo();
256 #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 variable cannot be reduction}} expected-error {{'operator+' is a private member of 'S2'}}
257   for (int i = 0; i < 10; ++i)
258     foo();
259 #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 variable cannot be reduction}}
260   for (int i = 0; i < 10; ++i)
261     foo();
262 #pragma omp parallel for simd reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
263   for (int i = 0; i < 10; ++i)
264     foo();
265 #pragma omp parallel for simd reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
266   for (int i = 0; i < 10; ++i)
267     foo();
268 #pragma omp parallel for simd reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
269   for (int i = 0; i < 10; ++i)
270     foo();
271 #pragma omp parallel for simd reduction(- : da) // expected-error {{const-qualified variable cannot be reduction}}
272   for (int i = 0; i < 10; ++i)
273     foo();
274 #pragma omp parallel for simd reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
275   for (int i = 0; i < 10; ++i)
276     foo();
277 #pragma omp parallel for simd reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
278   for (int i = 0; i < 10; ++i)
279     foo();
280 #pragma omp parallel for simd reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
281   for (int i = 0; i < 10; ++i)
282     foo();
283 #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')}}
284   for (int i = 0; i < 10; ++i)
285     foo();
286 #pragma omp parallel for simd reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}
287   for (int i = 0; i < 10; ++i)
288     foo();
289 #pragma omp parallel for simd reduction(+ : o) // expected-error {{no viable overloaded '='}}
290   for (int i = 0; i < 10; ++i)
291     foo();
292 #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}}
293   for (int i = 0; i < 10; ++i)
294     foo();
295 #pragma omp parallel private(k)
296 #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}}
297   for (int i = 0; i < 10; ++i)
298     foo();
299 #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}}
300   for (int i = 0; i < 10; ++i)
301     foo();
302 #pragma omp parallel for simd reduction(+ : r) // expected-error {{const-qualified variable cannot be reduction}}
303   for (int i = 0; i < 10; ++i)
304     foo();
305 #pragma omp parallel shared(i)
306 #pragma omp parallel reduction(min : i)
307 #pragma omp parallel for simd reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
308   for (int i = 0; i < 10; ++i)
309     foo();
310 #pragma omp parallel private(fl)
311 #pragma omp parallel for simd reduction(+ : fl)
312   for (int i = 0; i < 10; ++i)
313     foo();
314 #pragma omp parallel reduction(* : fl)
315 #pragma omp parallel for simd reduction(+ : fl)
316   for (int i = 0; i < 10; ++i)
317     foo();
318   static int m;
319 #pragma omp parallel for simd reduction(+ : m) // OK
320   for (int i = 0; i < 10; ++i)
321     m++;
322 
323   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}}
324 }
325