1 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -ferror-limit 150 -o - %s -Wuninitialized
2 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
3 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
4 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -ferror-limit 150 -o - %s -Wuninitialized
5 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
6 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
7
8 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -ferror-limit 150 -o - %s -Wuninitialized
9 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
10 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
11 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -ferror-limit 150 -o - %s -Wuninitialized
12 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
13 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
14
15 typedef void **omp_allocator_handle_t;
16 extern const omp_allocator_handle_t omp_null_allocator;
17 extern const omp_allocator_handle_t omp_default_mem_alloc;
18 extern const omp_allocator_handle_t omp_large_cap_mem_alloc;
19 extern const omp_allocator_handle_t omp_const_mem_alloc;
20 extern const omp_allocator_handle_t omp_high_bw_mem_alloc;
21 extern const omp_allocator_handle_t omp_low_lat_mem_alloc;
22 extern const omp_allocator_handle_t omp_cgroup_mem_alloc;
23 extern const omp_allocator_handle_t omp_pteam_mem_alloc;
24 extern const omp_allocator_handle_t omp_thread_mem_alloc;
25
xxx(int argc)26 void xxx(int argc) {
27 int fp; // expected-note {{initialize the variable 'fp' to silence this warning}}
28 #pragma omp master taskloop reduction(+:fp) // expected-warning {{variable 'fp' is uninitialized when used here}}
29 for (int i = 0; i < 10; ++i)
30 ;
31 }
32
foo()33 void foo() {
34 }
35
foobool(int argc)36 bool foobool(int argc) {
37 return argc;
38 }
39
foobar(int & ref)40 void foobar(int &ref) {
41 #pragma omp master taskloop reduction(+:ref)
42 for (int i = 0; i < 10; ++i)
43 foo();
44 }
45
46 struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
47 extern S1 a;
48 class S2 {
49 mutable int a;
operator +(const S2 & arg)50 S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}
51
52 public:
S2()53 S2() : a(0) {}
S2(S2 & s2)54 S2(S2 &s2) : a(s2.a) {}
55 static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
56 static const float S2sc; // expected-note 2 {{'S2sc' declared here}}
57 };
58 const float S2::S2sc = 0;
59 S2 b; // expected-note 3 {{'b' defined here}}
60 const S2 ba[5]; // expected-note 2 {{'ba' defined here}}
61 class S3 {
62 int a;
63
64 public:
65 int b;
S3()66 S3() : a(0) {}
S3(const S3 & s3)67 S3(const S3 &s3) : a(s3.a) {}
operator +(const S3 & arg1)68 S3 operator+(const S3 &arg1) { return arg1; }
69 };
operator +(const S3 & arg1,const S3 & arg2)70 int operator+(const S3 &arg1, const S3 &arg2) { return 5; }
71 S3 c; // expected-note 3 {{'c' defined here}}
72 const S3 ca[5]; // expected-note 2 {{'ca' defined here}}
73 extern const int f; // expected-note 4 {{'f' declared here}}
74 class S4 {
75 int a;
76 S4(); // expected-note {{implicitly declared private here}}
77 S4(const S4 &s4);
operator +(const S4 & arg)78 S4 &operator+(const S4 &arg) { return (*this); }
79
80 public:
S4(int v)81 S4(int v) : a(v) {}
82 };
operator &=(S4 & arg1,S4 & arg2)83 S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
84 class S5 {
85 int a:32;
S5()86 S5() : a(0) {} // expected-note {{implicitly declared private here}}
S5(const S5 & s5)87 S5(const S5 &s5) : a(s5.a) {}
88 S5 &operator+(const S5 &arg);
89
90 public:
S5(int v)91 S5(int v) : a(v) {}
92 };
93 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}}
94 #if __cplusplus >= 201103L // C++11 or later
95 // expected-note@-2 3 {{candidate function (the implicit move assignment operator) not viable}}
96 #endif
97 int a;
98
99 public:
S6()100 S6() : a(6) {}
operator int()101 operator int() { return 6; }
102 } o;
103
104 struct S7 {
105 int a: 32;
S7S7106 S7() {
107 #pragma omp master taskloop reduction(+:a) // expected-error {{expected addressable reduction item for the task-based directives}}
108 for (int i = 0; i < 10; ++i)
109 ++a;
110 }
111 };
112
113 S3 h, k;
114 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
115
116 template <class T> // expected-note {{declared here}}
tmain(T argc)117 T tmain(T argc) {
118 const T d = T(); // expected-note 4 {{'d' defined here}}
119 const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}
120 T qa[5] = {T()};
121 T i, z;
122 T &j = i; // expected-note 4 {{'j' defined here}}
123 S3 &p = k; // expected-note 2 {{'p' defined here}}
124 const T &r = da[(int)i]; // expected-note 2 {{'r' defined here}}
125 T &q = qa[(int)i]; // expected-note 2 {{'q' defined here}}
126 T fl;
127 #pragma omp master taskloop reduction // expected-error {{expected '(' after 'reduction'}}
128 for (int i = 0; i < 10; ++i)
129 foo();
130 #pragma omp master taskloop reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp master taskloop' are ignored}}
131 for (int i = 0; i < 10; ++i)
132 foo();
133 #pragma omp master taskloop reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
134 for (int i = 0; i < 10; ++i)
135 foo();
136 #pragma omp master taskloop reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
137 for (int i = 0; i < 10; ++i)
138 foo();
139 #pragma omp master taskloop reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
140 for (int i = 0; i < 10; ++i)
141 foo();
142 #pragma omp master taskloop reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
143 for (int i = 0; i < 10; ++i)
144 foo();
145 #pragma omp master taskloop reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
146 for (int i = 0; i < 10; ++i)
147 foo();
148 #pragma omp master taskloop reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
149 for (int i = 0; i < 10; ++i)
150 foo();
151 #pragma omp master taskloop reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
152 for (int i = 0; i < 10; ++i)
153 foo();
154 #pragma omp master taskloop reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}}
155 for (int i = 0; i < 10; ++i)
156 foo();
157 #pragma omp master taskloop 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'}}
158 for (int i = 0; i < 10; ++i)
159 foo();
160 #pragma omp master taskloop 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 '('}}
161 for (int i = 0; i < 10; ++i)
162 foo();
163 #pragma omp master taskloop reduction(^ : T) // expected-error {{'T' does not refer to a value}}
164 for (int i = 0; i < 10; ++i)
165 foo();
166 #pragma omp master taskloop 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'}}
167 for (int i = 0; i < 10; ++i)
168 foo();
169 #pragma omp master taskloop 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}}
170 for (int i = 0; i < 10; ++i)
171 foo();
172 #pragma omp master taskloop reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
173 for (int i = 0; i < 10; ++i)
174 foo();
175 #pragma omp master taskloop reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
176 for (int i = 0; i < 10; ++i)
177 foo();
178 #pragma omp master taskloop reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
179 for (int i = 0; i < 10; ++i)
180 foo();
181 #pragma omp master taskloop reduction(- : da) // expected-error {{const-qualified variable cannot be reduction}} expected-error {{const-qualified variable cannot be reduction}}
182 for (int i = 0; i < 10; ++i)
183 foo();
184 #pragma omp master taskloop reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
185 for (int i = 0; i < 10; ++i)
186 foo();
187 #pragma omp master taskloop reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
188 for (int i = 0; i < 10; ++i)
189 foo();
190 #pragma omp master taskloop reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
191 for (int i = 0; i < 10; ++i)
192 foo();
193 #pragma omp master taskloop reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
194 for (int i = 0; i < 10; ++i)
195 foo();
196 #pragma omp master taskloop reduction(+ : o) // expected-error 2 {{no viable overloaded '='}}
197 for (int i = 0; i < 10; ++i)
198 foo();
199 #pragma omp master taskloop private(i), reduction(+ : j), reduction(+ : q) // expected-error 4 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
200 for (int i = 0; i < 10; ++i)
201 foo();
202 #pragma omp parallel private(k)
203 #pragma omp master taskloop reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
204 for (int i = 0; i < 10; ++i)
205 foo();
206 #pragma omp master taskloop reduction(+ : p), reduction(+ : p) // expected-error 2 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 2 {{previously referenced here}}
207 for (int i = 0; i < 10; ++i)
208 foo();
209 #pragma omp master taskloop reduction(+ : r) // expected-error 2 {{const-qualified variable cannot be reduction}}
210 for (int i = 0; i < 10; ++i)
211 foo();
212 #pragma omp parallel shared(i)
213 #pragma omp parallel reduction(min : i)
214 #pragma omp master taskloop reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
215 for (int i = 0; i < 10; ++i)
216 foo();
217 #pragma omp parallel private(fl)
218 #pragma omp master taskloop reduction(+ : fl) allocate(omp_thread_mem_alloc: fl) // expected-warning 2 {{allocator with the 'thread' trait access has unspecified behavior on 'master taskloop' directive}}
219 for (int i = 0; i < 10; ++i)
220 foo();
221 #pragma omp parallel reduction(* : fl)
222 #pragma omp master taskloop reduction(+ : fl)
223 for (int i = 0; i < 10; ++i)
224 foo();
225
226 return T();
227 }
228
229 namespace A {
230 double x;
231 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
232 }
233 namespace B {
234 using A::x;
235 }
236
main(int argc,char ** argv)237 int main(int argc, char **argv) {
238 const int d = 5; // expected-note 2 {{'d' defined here}}
239 const int da[5] = {0}; // expected-note {{'da' defined here}}
240 int qa[5] = {0};
241 S4 e(4);
242 S5 g(5);
243 int i, z;
244 int &j = i; // expected-note 2 {{'j' defined here}}
245 S3 &p = k; // expected-note 2 {{'p' defined here}}
246 const int &r = da[i]; // expected-note {{'r' defined here}}
247 int &q = qa[i]; // expected-note {{'q' defined here}}
248 float fl;
249 #pragma omp master taskloop reduction // expected-error {{expected '(' after 'reduction'}}
250 for (int i = 0; i < 10; ++i)
251 foo();
252 #pragma omp master taskloop reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp master taskloop' are ignored}}
253 for (int i = 0; i < 10; ++i)
254 foo();
255 #pragma omp master taskloop reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
256 for (int i = 0; i < 10; ++i)
257 foo();
258 #pragma omp master taskloop reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
259 for (int i = 0; i < 10; ++i)
260 foo();
261 #pragma omp master taskloop reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
262 for (int i = 0; i < 10; ++i)
263 foo();
264 #pragma omp master taskloop reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
265 for (int i = 0; i < 10; ++i)
266 foo();
267 #pragma omp master taskloop reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
268 for (int i = 0; i < 10; ++i)
269 foo();
270 #pragma omp master taskloop reduction(foo : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}}
271 for (int i = 0; i < 10; ++i)
272 foo();
273 #pragma omp master taskloop reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
274 for (int i = 0; i < 10; ++i)
275 foo();
276 #pragma omp master taskloop reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}}
277 for (int i = 0; i < 10; ++i)
278 foo();
279 #pragma omp master taskloop reduction(~ : argc) // expected-error {{expected unqualified-id}}
280 for (int i = 0; i < 10; ++i)
281 foo();
282 #pragma omp master taskloop reduction(&& : argc, z)
283 for (int i = 0; i < 10; ++i)
284 foo();
285 #pragma omp master taskloop reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
286 for (int i = 0; i < 10; ++i)
287 foo();
288 #pragma omp master taskloop 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'}}
289 for (int i = 0; i < 10; ++i)
290 foo();
291 #pragma omp master taskloop 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}}
292 for (int i = 0; i < 10; ++i)
293 foo();
294 #pragma omp master taskloop reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
295 for (int i = 0; i < 10; ++i)
296 foo();
297 #pragma omp master taskloop reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
298 for (int i = 0; i < 10; ++i)
299 foo();
300 #pragma omp master taskloop reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
301 for (int i = 0; i < 10; ++i)
302 foo();
303 #pragma omp master taskloop reduction(- : da) // expected-error {{const-qualified variable cannot be reduction}}
304 for (int i = 0; i < 10; ++i)
305 foo();
306 #pragma omp master taskloop reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
307 for (int i = 0; i < 10; ++i)
308 foo();
309 #pragma omp master taskloop reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
310 for (int i = 0; i < 10; ++i)
311 foo();
312 #pragma omp master taskloop reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
313 for (int i = 0; i < 10; ++i)
314 foo();
315 #pragma omp master taskloop 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')}}
316 for (int i = 0; i < 10; ++i)
317 foo();
318 #pragma omp master taskloop reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}
319 for (int i = 0; i < 10; ++i)
320 foo();
321 #pragma omp master taskloop reduction(+ : o) // expected-error {{no viable overloaded '='}}
322 for (int i = 0; i < 10; ++i)
323 foo();
324 #pragma omp master taskloop private(i), reduction(+ : j), reduction(+ : q) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
325 for (int i = 0; i < 10; ++i)
326 foo();
327 #pragma omp parallel private(k)
328 #pragma omp master taskloop reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
329 for (int i = 0; i < 10; ++i)
330 foo();
331 #pragma omp master taskloop reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}}
332 for (int i = 0; i < 10; ++i)
333 foo();
334 #pragma omp master taskloop reduction(+ : r) // expected-error {{const-qualified variable cannot be reduction}}
335 for (int i = 0; i < 10; ++i)
336 foo();
337 #pragma omp parallel shared(i)
338 #pragma omp parallel reduction(min : i)
339 #pragma omp master taskloop reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
340 for (int i = 0; i < 10; ++i)
341 foo();
342 #pragma omp parallel private(fl)
343 #pragma omp master taskloop reduction(+ : fl)
344 for (int i = 0; i < 10; ++i)
345 foo();
346 #pragma omp parallel reduction(* : fl)
347 #pragma omp master taskloop reduction(+ : fl)
348 for (int i = 0; i < 10; ++i)
349 foo();
350 static int m;
351 #pragma omp master taskloop reduction(+ : m) // OK
352 for (int i = 0; i < 10; ++i)
353 m++;
354 #pragma omp master taskloop nogroup reduction(+ : m) // expected-error {{'reduction' clause cannot be used with 'nogroup' clause}}
355 for (int i = 0; i < 10; ++i)
356 m++;
357 #pragma omp master taskloop reduction(task, + : m) // omp45-error 2 {{expected expression}} omp45-warning {{missing ':' after reduction identifier - ignoring}} omp50-error {{'reduction' clause with 'task' modifier allowed only on non-simd parallel or worksharing constructs}}
358 for (int i = 0; i < 10; ++i)
359 m++;
360
361 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}}
362 }
363