1 // RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=51 -fsyntax-only %s -Wuninitialized
2 // RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=51 -std=c++11 -fsyntax-only %s -Wuninitialized
3 // RUN: %clang_cc1 -verify -fopenmp-simd -fopenmp-version=51 -fsyntax-only %s -Wuninitialized
4 // RUN: %clang_cc1 -verify -fopenmp-simd -fopenmp-version=51 -std=c++11 -fsyntax-only %s -Wuninitialized
5
6 typedef void **omp_allocator_handle_t;
7 extern const omp_allocator_handle_t omp_null_allocator;
8 extern const omp_allocator_handle_t omp_default_mem_alloc;
9 extern const omp_allocator_handle_t omp_large_cap_mem_alloc;
10 extern const omp_allocator_handle_t omp_const_mem_alloc;
11 extern const omp_allocator_handle_t omp_high_bw_mem_alloc;
12 extern const omp_allocator_handle_t omp_low_lat_mem_alloc;
13 extern const omp_allocator_handle_t omp_cgroup_mem_alloc;
14 extern const omp_allocator_handle_t omp_pteam_mem_alloc;
15 extern const omp_allocator_handle_t omp_thread_mem_alloc;
16
xxx(int argc)17 void xxx(int argc) {
18 int fp; // expected-note {{initialize the variable 'fp' to silence this warning}}
19 [[omp::directive(taskloop reduction(+:fp))]] // expected-warning {{variable 'fp' is uninitialized when used here}}
20 for (int i = 0; i < 10; ++i)
21 ;
22 }
23
foo()24 void foo() {
25 }
26
foobool(int argc)27 bool foobool(int argc) {
28 return argc;
29 }
30
foobar(int & ref)31 void foobar(int &ref) {
32 [[omp::directive(taskloop reduction(+:ref))]]
33 for (int i = 0; i < 10; ++i)
34 foo();
35 }
36
37 struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
38 extern S1 a;
39 class S2 {
40 mutable int a;
operator +(const S2 & arg)41 S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}
42
43 public:
S2()44 S2() : a(0) {}
S2(S2 & s2)45 S2(S2 &s2) : a(s2.a) {}
46 static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
47 static const float S2sc; // expected-note 2 {{'S2sc' declared here}}
48 };
49 const float S2::S2sc = 0;
50 S2 b; // expected-note 3 {{'b' defined here}}
51 const S2 ba[5]; // expected-note 2 {{'ba' defined here}}
52 class S3 {
53 int a;
54
55 public:
56 int b;
S3()57 S3() : a(0) {}
S3(const S3 & s3)58 S3(const S3 &s3) : a(s3.a) {}
operator +(const S3 & arg1)59 S3 operator+(const S3 &arg1) { return arg1; }
60 };
operator +(const S3 & arg1,const S3 & arg2)61 int operator+(const S3 &arg1, const S3 &arg2) { return 5; }
62 S3 c; // expected-note 3 {{'c' defined here}}
63 const S3 ca[5]; // expected-note 2 {{'ca' defined here}}
64 extern const int f; // expected-note 4 {{'f' declared here}}
65 class S4 {
66 int a;
67 S4(); // expected-note {{implicitly declared private here}}
68 S4(const S4 &s4);
operator +(const S4 & arg)69 S4 &operator+(const S4 &arg) { return (*this); }
70
71 public:
S4(int v)72 S4(int v) : a(v) {}
73 };
operator &=(S4 & arg1,S4 & arg2)74 S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
75 class S5 {
76 int a:32;
S5()77 S5() : a(0) {} // expected-note {{implicitly declared private here}}
S5(const S5 & s5)78 S5(const S5 &s5) : a(s5.a) {}
79 S5 &operator+(const S5 &arg);
80
81 public:
S5(int v)82 S5(int v) : a(v) {}
83 };
84 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}}
85 #if __cplusplus >= 201103L // C++11 or later
86 // expected-note@-2 3 {{candidate function (the implicit move assignment operator) not viable}}
87 #endif
88 int a;
89
90 public:
S6()91 S6() : a(6) {}
operator int()92 operator int() { return 6; }
93 } o;
94
95 struct S7 {
96 int a: 32;
S7S797 S7() {
98 [[omp::directive(taskloop reduction(+:a))]] // expected-error {{expected addressable reduction item for the task-based directives}}
99 for (int i = 0; i < 10; ++i)
100 ++a;
101 }
102 };
103
104 S3 h, k;
105 [[omp::directive(threadprivate(h))]]; // expected-note 2 {{defined as threadprivate or thread local}}
106
107 template <class T> // expected-note {{declared here}}
tmain(T argc)108 T tmain(T argc) {
109 const T d = T(); // expected-note 4 {{'d' defined here}}
110 const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}
111 T qa[5] = {T()};
112 T i, z;
113 T &j = i; // expected-note 4 {{'j' defined here}}
114 S3 &p = k; // expected-note 2 {{'p' defined here}}
115 const T &r = da[(int)i]; // expected-note 2 {{'r' defined here}}
116 T &q = qa[(int)i]; // expected-note 2 {{'q' defined here}}
117 T fl;
118 [[omp::directive(taskloop reduction)]] // expected-error {{expected '(' after 'reduction'}}
119 for (int i = 0; i < 10; ++i)
120 foo();
121 [[omp::directive(taskloop reduction +)]] // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp taskloop' are ignored}}
122 for (int i = 0; i < 10; ++i)
123 foo();
124 [[omp::directive(taskloop reduction())]] // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
125 for (int i = 0; i < 10; ++i)
126 foo();
127 [[omp::directive(taskloop reduction(*))]] // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
128 for (int i = 0; i < 10; ++i)
129 foo();
130 [[omp::directive(taskloop reduction(\))]] // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
131 for (int i = 0; i < 10; ++i)
132 foo();
133 [[omp::directive(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'}}
134 for (int i = 0; i < 10; ++i)
135 foo();
136 [[omp::directive(taskloop reduction(^ : T))]] // expected-error {{'T' does not refer to a value}}
137 for (int i = 0; i < 10; ++i)
138 foo();
139 [[omp::directive(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'}}
140 for (int i = 0; i < 10; ++i)
141 foo();
142 [[omp::directive(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}}
143 for (int i = 0; i < 10; ++i)
144 foo();
145 [[omp::directive(taskloop reduction(max : h.b))]] // expected-error {{expected variable name, array element or array section}}
146 for (int i = 0; i < 10; ++i)
147 foo();
148 [[omp::directive(taskloop reduction(+ : ba))]] // expected-error {{const-qualified variable cannot be reduction}}
149 for (int i = 0; i < 10; ++i)
150 foo();
151 [[omp::directive(taskloop reduction(* : ca))]] // expected-error {{const-qualified variable cannot be reduction}}
152 for (int i = 0; i < 10; ++i)
153 foo();
154 [[omp::directive(taskloop reduction(- : da))]] // expected-error {{const-qualified variable cannot be reduction}} expected-error {{const-qualified variable cannot be reduction}}
155 for (int i = 0; i < 10; ++i)
156 foo();
157 [[omp::directive(taskloop reduction(^ : fl))]] // expected-error {{invalid operands to binary expression ('float' and 'float')}}
158 for (int i = 0; i < 10; ++i)
159 foo();
160 [[omp::directive(taskloop reduction(&& : S2::S2s))]] // expected-error {{shared variable cannot be reduction}}
161 for (int i = 0; i < 10; ++i)
162 foo();
163 [[omp::directive(taskloop reduction(&& : S2::S2sc))]] // expected-error {{const-qualified variable cannot be reduction}}
164 for (int i = 0; i < 10; ++i)
165 foo();
166 [[omp::directive(taskloop reduction(+ : h, k))]] // expected-error {{threadprivate or thread local variable cannot be reduction}}
167 for (int i = 0; i < 10; ++i)
168 foo();
169 [[omp::directive(taskloop reduction(+ : o))]] // expected-error 2 {{no viable overloaded '='}}
170 for (int i = 0; i < 10; ++i)
171 foo();
172 [[omp::directive(taskloop private(i), reduction(+ : j), reduction(+ : q))]] // expected-error 4 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
173 for (int i = 0; i < 10; ++i)
174 foo();
175 [[omp::sequence(directive(parallel private(k)), directive(taskloop reduction(+ : p), reduction(+ : p)))]] // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
176 for (int i = 0; i < 10; ++i)
177 foo();
178 [[omp::directive(taskloop reduction(+ : p), reduction(+ : p))]] // expected-error 2 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 2 {{previously referenced here}}
179 for (int i = 0; i < 10; ++i)
180 foo();
181 [[omp::directive(taskloop reduction(+ : r))]] // expected-error 2 {{const-qualified variable cannot be reduction}}
182 for (int i = 0; i < 10; ++i)
183 foo();
184 [[omp::sequence(directive(parallel shared(i)), directive(parallel reduction(min : i)), directive(taskloop reduction(max : j)))]] // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
185 for (int i = 0; i < 10; ++i)
186 foo();
187 [[omp::sequence(directive(parallel private(fl)), directive(taskloop reduction(+ : fl) allocate(omp_thread_mem_alloc: fl)))]] // expected-warning 2 {{allocator with the 'thread' trait access has unspecified behavior on 'taskloop' directive}}
188 for (int i = 0; i < 10; ++i)
189 foo();
190 [[omp::sequence(directive(parallel reduction(* : fl)), directive(taskloop 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 [[omp::directive(threadprivate(x))]]; // expected-note {{defined as threadprivate or thread local}}
200 }
201 namespace B {
202 using A::x;
203 }
204
main(int argc,char ** argv)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 [[omp::directive(taskloop reduction)]] // expected-error {{expected '(' after 'reduction'}}
218 for (int i = 0; i < 10; ++i)
219 foo();
220 [[omp::directive(taskloop reduction +)]] // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp taskloop' are ignored}}
221 for (int i = 0; i < 10; ++i)
222 foo();
223 [[omp::directive(taskloop reduction())]] // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
224 for (int i = 0; i < 10; ++i)
225 foo();
226 [[omp::directive(taskloop reduction(*))]] // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
227 for (int i = 0; i < 10; ++i)
228 foo();
229 [[omp::directive(taskloop reduction(\))]] // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
230 for (int i = 0; i < 10; ++i)
231 foo();
232 [[omp::directive(taskloop reduction(~ : argc))]] // expected-error {{expected unqualified-id}}
233 for (int i = 0; i < 10; ++i)
234 foo();
235 [[omp::directive(taskloop reduction(&& : argc, z))]]
236 for (int i = 0; i < 10; ++i)
237 foo();
238 [[omp::directive(taskloop reduction(^ : S1))]] // expected-error {{'S1' does not refer to a value}}
239 for (int i = 0; i < 10; ++i)
240 foo();
241 [[omp::directive(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'}}
242 for (int i = 0; i < 10; ++i)
243 foo();
244 [[omp::directive(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}}
245 for (int i = 0; i < 10; ++i)
246 foo();
247 [[omp::directive(taskloop reduction(max : h.b))]] // expected-error {{expected variable name, array element or array section}}
248 for (int i = 0; i < 10; ++i)
249 foo();
250 [[omp::directive(taskloop reduction(+ : ba))]] // expected-error {{const-qualified variable cannot be reduction}}
251 for (int i = 0; i < 10; ++i)
252 foo();
253 [[omp::directive(taskloop reduction(* : ca))]] // expected-error {{const-qualified variable cannot be reduction}}
254 for (int i = 0; i < 10; ++i)
255 foo();
256 [[omp::directive(taskloop reduction(- : da))]] // expected-error {{const-qualified variable cannot be reduction}}
257 for (int i = 0; i < 10; ++i)
258 foo();
259 [[omp::directive(taskloop reduction(^ : fl))]] // expected-error {{invalid operands to binary expression ('float' and 'float')}}
260 for (int i = 0; i < 10; ++i)
261 foo();
262 [[omp::directive(taskloop reduction(&& : S2::S2s))]] // expected-error {{shared variable cannot be reduction}}
263 for (int i = 0; i < 10; ++i)
264 foo();
265 [[omp::directive(taskloop reduction(&& : S2::S2sc))]] // expected-error {{const-qualified variable cannot be reduction}}
266 for (int i = 0; i < 10; ++i)
267 foo();
268 [[omp::directive(taskloop reduction(& : e, g))]] // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}} expected-error {{invalid operands to binary expression ('S5' and 'S5')}}
269 for (int i = 0; i < 10; ++i)
270 foo();
271 [[omp::directive(taskloop reduction(+ : h, k, B::x))]] // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}
272 for (int i = 0; i < 10; ++i)
273 foo();
274 [[omp::directive(taskloop reduction(+ : o))]] // expected-error {{no viable overloaded '='}}
275 for (int i = 0; i < 10; ++i)
276 foo();
277 [[omp::directive(taskloop private(i), reduction(+ : j), reduction(+ : q))]] // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
278 for (int i = 0; i < 10; ++i)
279 foo();
280 [[omp::sequence(directive(parallel private(k)), directive(taskloop 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 [[omp::directive(taskloop 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 [[omp::directive(taskloop reduction(+ : r))]] // expected-error {{const-qualified variable cannot be reduction}}
287 for (int i = 0; i < 10; ++i)
288 foo();
289 [[omp::sequence(directive(parallel shared(i)), directive(parallel reduction(min : i)), directive(taskloop reduction(max : j)))]] // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
290 for (int i = 0; i < 10; ++i)
291 foo();
292 [[omp::sequence(directive(parallel private(fl)), directive(taskloop reduction(+ : fl)))]]
293 for (int i = 0; i < 10; ++i)
294 foo();
295 [[omp::sequence(directive(parallel reduction(* : fl)), directive(taskloop reduction(+ : fl)))]]
296 for (int i = 0; i < 10; ++i)
297 foo();
298 static int m;
299 [[omp::directive(taskloop reduction(+ : m))]] // OK
300 for (int i = 0; i < 10; ++i)
301 m++;
302 [[omp::directive(taskloop reduction(task, + : m))]] // expected-error {{'reduction' clause with 'task' modifier allowed only on non-simd parallel or worksharing constructs}}
303 for (int i = 0; i < 10; ++i)
304 m++;
305 [[omp::directive(taskloop nogroup reduction(+ : m))]] // expected-error {{'reduction' clause cannot be used with 'nogroup' clause}}
306 for (int i = 0; i < 10; ++i)
307 m++;
308
309 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}}
310 }
311
312