1 // RUN: %clang_cc1 -verify -fopenmp -ferror-limit 150 -o - %s -Wuninitialized
2 // RUN: %clang_cc1 -verify -fopenmp -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
3 // RUN: %clang_cc1 -verify -fopenmp -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
4 
5 // RUN: %clang_cc1 -verify -fopenmp-simd -ferror-limit 150 -o - %s -Wuninitialized
6 // RUN: %clang_cc1 -verify -fopenmp-simd -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
7 // RUN: %clang_cc1 -verify -fopenmp-simd -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
8 
9 typedef void **omp_allocator_handle_t;
10 extern const omp_allocator_handle_t omp_default_mem_alloc;
11 extern const omp_allocator_handle_t omp_large_cap_mem_alloc;
12 extern const omp_allocator_handle_t omp_const_mem_alloc;
13 extern const omp_allocator_handle_t omp_high_bw_mem_alloc;
14 extern const omp_allocator_handle_t omp_low_lat_mem_alloc;
15 extern const omp_allocator_handle_t omp_cgroup_mem_alloc;
16 extern const omp_allocator_handle_t omp_pteam_mem_alloc;
17 extern const omp_allocator_handle_t omp_thread_mem_alloc;
18 
19 void foo() {
20 }
21 
22 bool foobool(int argc) {
23   return argc;
24 }
25 
26 void foobar(int &ref) {
27 #pragma omp taskgroup task_reduction(+:ref)
28 #pragma omp taskloop simd in_reduction(+:ref)
29   for (int i = 0; i < 10; ++i)
30   foo();
31 }
32 
33 void foobar1(int &ref) {
34 #pragma omp taskgroup task_reduction(+:ref)
35 #pragma omp taskloop simd in_reduction(-:ref)
36   for (int i = 0; i < 10; ++i)
37   foo();
38 }
39 
40 #pragma omp declare reduction (red:int:omp_out += omp_in)
41 
42 void foobar2(int &ref) {
43 #pragma omp taskgroup task_reduction(+:ref) // expected-note {{previously marked as task_reduction with different reduction operation}}
44 #pragma omp taskloop simd in_reduction(red:ref) // expected-error{{in_reduction variable must have the same reduction operation as in a task_reduction clause}}
45   for (int i = 0; i < 10; ++i)
46   foo();
47 }
48 
49 void foobar3(int &ref) {
50 #pragma omp taskgroup task_reduction(red:ref) // expected-note {{previously marked as task_reduction with different reduction operation}}
51 #pragma omp taskloop simd in_reduction(min:ref)  // expected-error{{in_reduction variable must have the same reduction operation as in a task_reduction clause}}
52   for (int i = 0; i < 10; ++i)
53   foo();
54 }
55 
56 void foobar4(int &ref) {
57 #pragma omp taskloop simd in_reduction(min:ref) // expected-error {{in_reduction variable must appear in a task_reduction clause}}
58   for (int i = 0; i < 10; ++i)
59   foo();
60 }
61 
62 struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
63 extern S1 a;
64 class S2 {
65   mutable int a;
66   S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}
67 
68 public:
69   S2() : a(0) {}
70   S2(S2 &s2) : a(s2.a) {}
71   static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
72   static const float S2sc; // expected-note 2 {{'S2sc' declared here}}
73 };
74 const float S2::S2sc = 0;
75 S2 b;                     // expected-note 3 {{'b' defined here}}
76 const S2 ba[5];           // expected-note 2 {{'ba' defined here}}
77 class S3 {
78   int a;
79 
80 public:
81   int b;
82   S3() : a(0) {}
83   S3(const S3 &s3) : a(s3.a) {}
84   S3 operator+(const S3 &arg1) { return arg1; }
85 };
86 int operator+(const S3 &arg1, const S3 &arg2) { return 5; }
87 S3 c;               // expected-note 3 {{'c' defined here}}
88 const S3 ca[5];     // expected-note 2 {{'ca' defined here}}
89 extern const int f; // expected-note 4 {{'f' declared here}}
90 class S4 {
91   int a;
92   S4(); // expected-note {{implicitly declared private here}}
93   S4(const S4 &s4);
94   S4 &operator+(const S4 &arg) { return (*this); }
95 
96 public:
97   S4(int v) : a(v) {}
98 };
99 S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
100 class S5 {
101   int a;
102   S5() : a(0) {} // expected-note {{implicitly declared private here}}
103   S5(const S5 &s5) : a(s5.a) {}
104   S5 &operator+(const S5 &arg);
105 
106 public:
107   S5(int v) : a(v) {}
108 };
109 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}}
110 #if __cplusplus >= 201103L // C++11 or later
111 // expected-note@-2 3 {{candidate function (the implicit move assignment operator) not viable}}
112 #endif
113   int a;
114 
115 public:
116   S6() : a(6) {}
117   operator int() { return 6; }
118 } o;
119 
120 S3 h, k;
121 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
122 
123 template <class T>       // expected-note {{declared here}}
124 T tmain(T argc) {
125   const T d = T();       // expected-note 4 {{'d' defined here}}
126   const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}
127   T qa[5] = {T()};
128   T i, z;
129   T &j = i;                    // expected-note 2 {{'j' defined here}}
130   S3 &p = k;                   // expected-note 2 {{'p' defined here}}
131   const T &r = da[(int)i];     // expected-note 2 {{'r' defined here}}
132   T &q = qa[(int)i];
133   T fl;
134 #pragma omp taskgroup task_reduction(+:argc)
135 #pragma omp taskloop simd in_reduction // expected-error {{expected '(' after 'in_reduction'}}
136   for (int i = 0; i < 10; ++i)
137   foo();
138 #pragma omp taskgroup task_reduction(+:argc)
139 #pragma omp taskloop simd in_reduction + // expected-error {{expected '(' after 'in_reduction'}} expected-warning {{extra tokens at the end of '#pragma omp taskloop simd' are ignored}}
140   for (int i = 0; i < 10; ++i)
141   foo();
142 #pragma omp taskgroup task_reduction(+:argc)
143 #pragma omp taskloop simd in_reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
144   for (int i = 0; i < 10; ++i)
145   foo();
146 #pragma omp taskgroup task_reduction(+:argc)
147 #pragma omp taskloop simd in_reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
148   for (int i = 0; i < 10; ++i)
149   foo();
150 #pragma omp taskgroup task_reduction(+:argc)
151 #pragma omp taskloop simd in_reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
152   for (int i = 0; i < 10; ++i)
153   foo();
154 #pragma omp taskgroup task_reduction(+:argc)
155 #pragma omp taskloop simd in_reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}}
156   for (int i = 0; i < 10; ++i)
157   foo();
158 #pragma omp taskgroup task_reduction(+:argc)
159 #pragma omp taskloop simd in_reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
160   for (int i = 0; i < 10; ++i)
161   foo();
162 #pragma omp taskgroup task_reduction(&:argc) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
163 #pragma omp taskloop simd in_reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
164   for (int i = 0; i < 10; ++i)
165   foo();
166 #pragma omp taskgroup task_reduction(|:z) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
167 #pragma omp taskloop simd in_reduction(| : z, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
168   for (int i = 0; i < 10; ++i)
169   foo();
170 #pragma omp taskloop simd in_reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}}
171   for (int i = 0; i < 10; ++i)
172   foo();
173 #pragma omp taskloop simd in_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'}}
174   for (int i = 0; i < 10; ++i)
175   foo();
176 #pragma omp taskgroup task_reduction(&&:argc)
177 #pragma omp taskloop simd in_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 '('}}
178   for (int i = 0; i < 10; ++i)
179   foo();
180 #pragma omp taskloop simd in_reduction(^ : T) // expected-error {{'T' does not refer to a value}}
181   for (int i = 0; i < 10; ++i)
182   foo();
183 #pragma omp taskgroup task_reduction(+:c)
184 #pragma omp taskloop simd in_reduction(+ : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 3 {{const-qualified variable cannot be in_reduction}} expected-error 2 {{'operator+' is a private member of 'S2'}} expected-error 2 {{in_reduction variable must appear in a task_reduction clause}}
185   for (int i = 0; i < 10; ++i)
186   foo();
187 #pragma omp taskloop simd in_reduction(min : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 4 {{arguments of OpenMP clause 'in_reduction' for 'min' or 'max' must be of arithmetic type}} expected-error 3 {{const-qualified variable cannot be in_reduction}}
188   for (int i = 0; i < 10; ++i)
189   foo();
190 #pragma omp taskloop simd in_reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
191   for (int i = 0; i < 10; ++i)
192   foo();
193 #pragma omp taskloop simd in_reduction(+ : ba) // expected-error {{const-qualified variable cannot be in_reduction}}
194   for (int i = 0; i < 10; ++i)
195   foo();
196 #pragma omp taskloop simd in_reduction(* : ca) // expected-error {{const-qualified variable cannot be in_reduction}}
197   for (int i = 0; i < 10; ++i)
198   foo();
199 #pragma omp taskloop simd in_reduction(- : da) // expected-error {{const-qualified variable cannot be in_reduction}} expected-error {{const-qualified variable cannot be in_reduction}}
200   for (int i = 0; i < 10; ++i)
201   foo();
202 #pragma omp taskloop simd in_reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}} expected-error {{in_reduction variable must appear in a task_reduction clause}}
203   for (int i = 0; i < 10; ++i)
204   foo();
205 #pragma omp taskloop simd in_reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
206   for (int i = 0; i < 10; ++i)
207   foo();
208 #pragma omp taskloop simd in_reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be in_reduction}}
209   for (int i = 0; i < 10; ++i)
210   foo();
211 #pragma omp taskgroup task_reduction(+:k)
212 #pragma omp taskloop simd in_reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
213   for (int i = 0; i < 10; ++i)
214   foo();
215 #pragma omp taskloop simd in_reduction(+ : o) // expected-error 2 {{no viable overloaded '='}}
216   for (int i = 0; i < 10; ++i)
217   foo();
218 #pragma omp parallel private(k)
219 #pragma omp taskloop simd in_reduction(+ : p), in_reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'in_reduction' must reference the same object in all threads}}
220   for (int i = 0; i < 10; ++i)
221   foo();
222 #pragma omp taskgroup task_reduction(+:p)
223 #pragma omp taskloop simd in_reduction(+ : p), in_reduction(+ : p) // expected-error 2 {{variable can appear only once in OpenMP 'in_reduction' clause}} expected-note 2 {{previously referenced here}}
224   for (int i = 0; i < 10; ++i)
225   foo();
226 #pragma omp taskloop simd in_reduction(+ : r) // expected-error 2 {{const-qualified variable cannot be in_reduction}}
227   for (int i = 0; i < 10; ++i)
228   foo();
229 #pragma omp parallel shared(i)
230 #pragma omp parallel reduction(min : i)
231 #pragma omp taskloop simd in_reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'in_reduction' must reference the same object in all threads}}
232   for (int i = 0; i < 10; ++i)
233   foo();
234 #pragma omp taskgroup task_reduction(+:fl)
235 {
236 #pragma omp taskloop simd allocate(omp_thread_mem_alloc: fl) in_reduction(+ : fl) // expected-warning 2 {{allocator with the 'thread' trait access has unspecified behavior on 'taskloop simd' directive}}
237   for (int i = 0; i < 10; ++i)
238     foo();
239 #pragma omp taskgroup task_reduction(*:fl) // expected-note 2 {{previously marked as task_reduction with different reduction operation}}
240 {
241 #pragma omp taskloop simd in_reduction(+ : fl) // expected-error 2 {{in_reduction variable must have the same reduction operation as in a task_reduction clause}}
242   for (int i = 0; i < 10; ++i)
243     foo();
244 }
245 }
246 #pragma omp parallel
247 #pragma omp for reduction(- : fl)
248   for (int i = 0; i < 10; ++i)
249 #pragma omp taskgroup task_reduction(+:fl)
250 #pragma omp taskloop simd in_reduction(+ : fl)
251   for (int j = 0; j < 10; ++j)
252     foo();
253 
254   return T();
255 }
256 
257 namespace A {
258 double x;
259 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
260 }
261 namespace B {
262 using A::x;
263 }
264 
265 int main(int argc, char **argv) {
266   const int d = 5;       // expected-note 2 {{'d' defined here}}
267   const int da[5] = {0}; // expected-note {{'da' defined here}}
268   int qa[5] = {0};
269   S4 e(4);
270   S5 g(5);
271   int i, z;
272   int &j = i;                  // expected-note {{'j' defined here}}
273   S3 &p = k;                   // expected-note 2 {{'p' defined here}}
274   const int &r = da[i];        // expected-note {{'r' defined here}}
275   int &q = qa[i];
276   float fl;
277 #pragma omp taskloop simd in_reduction // expected-error {{expected '(' after 'in_reduction'}}
278   for (int i = 0; i < 10; ++i)
279   foo();
280 #pragma omp taskloop simd in_reduction + // expected-error {{expected '(' after 'in_reduction'}} expected-warning {{extra tokens at the end of '#pragma omp taskloop simd' are ignored}}
281   for (int i = 0; i < 10; ++i)
282   foo();
283 #pragma omp taskloop simd in_reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
284   for (int i = 0; i < 10; ++i)
285   foo();
286 #pragma omp taskloop simd in_reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
287   for (int i = 0; i < 10; ++i)
288   foo();
289 #pragma omp taskloop simd in_reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
290   for (int i = 0; i < 10; ++i)
291   foo();
292 #pragma omp taskloop simd in_reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}}
293   for (int i = 0; i < 10; ++i)
294   foo();
295 #pragma omp taskloop simd in_reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
296   for (int i = 0; i < 10; ++i)
297   foo();
298 #pragma omp taskloop simd in_reduction(foo : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}}
299   for (int i = 0; i < 10; ++i)
300   foo();
301 #pragma omp taskgroup task_reduction(|:argc)
302 #pragma omp taskloop simd in_reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
303   for (int i = 0; i < 10; ++i)
304   foo();
305 #pragma omp taskloop simd in_reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}}
306   for (int i = 0; i < 10; ++i)
307   foo();
308 #pragma omp taskloop simd in_reduction(~ : argc) // expected-error {{expected unqualified-id}}
309   for (int i = 0; i < 10; ++i)
310   foo();
311 #pragma omp taskgroup task_reduction(&&:argc, z)
312 #pragma omp taskloop simd in_reduction(&& : argc, z)
313   for (int i = 0; i < 10; ++i)
314   foo();
315 #pragma omp taskloop simd in_reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
316   for (int i = 0; i < 10; ++i)
317   foo();
318 #pragma omp taskgroup task_reduction(+:c)
319 #pragma omp taskloop simd in_reduction(+ : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 2 {{const-qualified variable cannot be in_reduction}} expected-error {{'operator+' is a private member of 'S2'}} expected-error {{in_reduction variable must appear in a task_reduction clause}}
320   for (int i = 0; i < 10; ++i)
321   foo();
322 #pragma omp taskloop simd in_reduction(min : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 2 {{arguments of OpenMP clause 'in_reduction' for 'min' or 'max' must be of arithmetic type}} expected-error 2 {{const-qualified variable cannot be in_reduction}}
323   for (int i = 0; i < 10; ++i)
324   foo();
325 #pragma omp taskloop simd in_reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
326   for (int i = 0; i < 10; ++i)
327   foo();
328 #pragma omp taskloop simd in_reduction(+ : ba) // expected-error {{const-qualified variable cannot be in_reduction}}
329   for (int i = 0; i < 10; ++i)
330   foo();
331 #pragma omp taskloop simd in_reduction(* : ca) // expected-error {{const-qualified variable cannot be in_reduction}}
332   for (int i = 0; i < 10; ++i)
333   foo();
334 #pragma omp taskloop simd in_reduction(- : da) // expected-error {{const-qualified variable cannot be in_reduction}}
335   for (int i = 0; i < 10; ++i)
336   foo();
337 #pragma omp taskloop simd in_reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
338   for (int i = 0; i < 10; ++i)
339   foo();
340 #pragma omp taskloop simd in_reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
341   for (int i = 0; i < 10; ++i)
342   foo();
343 #pragma omp taskloop simd in_reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be in_reduction}}
344   for (int i = 0; i < 10; ++i)
345   foo();
346 #pragma omp taskloop simd in_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')}}
347   for (int i = 0; i < 10; ++i)
348   foo();
349 #pragma omp taskgroup task_reduction(+:k)
350 #pragma omp taskloop simd in_reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}
351   for (int i = 0; i < 10; ++i)
352   foo();
353 #pragma omp taskloop simd in_reduction(+ : o) // expected-error {{no viable overloaded '='}}
354   for (int i = 0; i < 10; ++i)
355   foo();
356 #pragma omp parallel private(k)
357 #pragma omp taskloop simd in_reduction(+ : p), in_reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'in_reduction' must reference the same object in all threads}}
358   for (int i = 0; i < 10; ++i)
359   foo();
360 #pragma omp taskgroup task_reduction(+:p)
361 #pragma omp taskloop simd in_reduction(+ : p), in_reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'in_reduction' clause}} expected-note {{previously referenced here}}
362   for (int i = 0; i < 10; ++i)
363   foo();
364 #pragma omp taskloop simd in_reduction(+ : r) // expected-error {{const-qualified variable cannot be in_reduction}}
365   for (int i = 0; i < 10; ++i)
366   foo();
367 #pragma omp parallel shared(i)
368 #pragma omp parallel reduction(min : i)
369 #pragma omp taskloop simd in_reduction(max : j) // expected-error {{argument of OpenMP clause 'in_reduction' must reference the same object in all threads}}
370   for (int i = 0; i < 10; ++i)
371   foo();
372 #pragma omp parallel
373 #pragma omp for private(fl)
374   for (int i = 0; i < 10; ++i)
375 #pragma omp taskgroup task_reduction(+:fl)
376 #pragma omp taskloop simd in_reduction(+ : fl)
377   for (int j = 0; j < 10; ++j)
378     foo();
379 #pragma omp taskgroup task_reduction(+:fl)
380 #pragma omp taskloop simd in_reduction(+ : fl)
381   for (int i = 0; i < 10; ++i)
382     foo();
383   static int m;
384 #pragma omp taskgroup task_reduction(+:m)
385 #pragma omp taskloop simd in_reduction(+ : m) // OK
386   for (int i = 0; i < 10; ++i)
387   m++;
388 
389   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}}
390 }
391