1 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -o - %s -Wuninitialized
2 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -std=c++98 -o - %s -Wuninitialized
3 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -std=c++11 -o - %s -Wuninitialized
4 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -fopenmp-version=50 -o - %s -Wuninitialized
5 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -fopenmp-version=50 -std=c++98 -o - %s -Wuninitialized
6 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -fopenmp-version=50 -std=c++11 -o - %s -Wuninitialized
7
8 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -o - %s -Wuninitialized
9 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++98 -o - %s -Wuninitialized
10 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++11 -o - %s -Wuninitialized
11 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -fopenmp-version=50 -o - %s -Wuninitialized
12 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -fopenmp-version=50 -std=c++98 -o - %s -Wuninitialized
13 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -fopenmp-version=50 -std=c++11 -o - %s -Wuninitialized
14
15 #pragma omp requires dynamic_allocators
16 typedef void **omp_allocator_handle_t;
17 extern const omp_allocator_handle_t omp_null_allocator;
18 extern const omp_allocator_handle_t omp_default_mem_alloc;
19 extern const omp_allocator_handle_t omp_large_cap_mem_alloc;
20 extern const omp_allocator_handle_t omp_const_mem_alloc;
21 extern const omp_allocator_handle_t omp_high_bw_mem_alloc;
22 extern const omp_allocator_handle_t omp_low_lat_mem_alloc;
23 extern const omp_allocator_handle_t omp_cgroup_mem_alloc;
24 extern const omp_allocator_handle_t omp_pteam_mem_alloc;
25 extern const omp_allocator_handle_t omp_thread_mem_alloc;
26
xxx(int argc)27 void xxx(int argc) {
28 int fp; // expected-note {{initialize the variable 'fp' to silence this warning}}
29 #pragma omp target teams reduction(+:fp) // expected-warning {{variable 'fp' is uninitialized when used here}}
30 for (int i = 0; i < 10; ++i)
31 ;
32 }
33
foo()34 void foo() {
35 }
36
foobool(int argc)37 bool foobool(int argc) {
38 return argc;
39 }
40
foobar(int & ref)41 void foobar(int &ref) {
42 #pragma omp target teams reduction(+:ref)
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;
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 S3 h, k;
105 #pragma omp 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 #pragma omp target teams reduction // expected-error {{expected '(' after 'reduction'}}
119 foo();
120 #pragma omp target teams reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp target teams' are ignored}}
121 foo();
122 #pragma omp target teams reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
123 foo();
124 #pragma omp target teams reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
125 foo();
126 #pragma omp target teams reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
127 foo();
128 #pragma omp target teams reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
129 foo();
130 #pragma omp target teams reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
131 foo();
132 #pragma omp target teams reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
133 foo();
134 #pragma omp target teams reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
135 foo();
136 #pragma omp target teams reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}}
137 foo();
138 #pragma omp target teams 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'}}
139 foo();
140 #pragma omp target teams 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 '('}}
141 foo();
142 #pragma omp target teams reduction(^ : T) // expected-error {{'T' does not refer to a value}}
143 foo();
144 #pragma omp target teams 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'}}
145 foo();
146 #pragma omp target teams 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}}
147 foo();
148 #pragma omp target teams reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
149 foo();
150 #pragma omp target teams reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
151 foo();
152 #pragma omp target teams reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
153 foo();
154 #pragma omp target teams reduction(- : da) // expected-error {{const-qualified variable cannot be reduction}} expected-error {{const-qualified variable cannot be reduction}}
155 foo();
156 #pragma omp target teams reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
157 foo();
158 #pragma omp target teams reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
159 foo();
160 #pragma omp target teams reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
161 foo();
162 #pragma omp target teams reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
163 foo();
164 #pragma omp target teams reduction(+ : o) // expected-error 2 {{no viable overloaded '='}}
165 foo();
166 #pragma omp target teams private(i), reduction(+ : j), reduction(+ : q) // expected-error 4 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
167 foo();
168 #pragma omp parallel private(k)
169 #pragma omp target teams reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
170 foo();
171 #pragma omp target teams reduction(+ : p), reduction(+ : p) // expected-error 2 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 2 {{previously referenced here}}
172 foo();
173 #pragma omp target teams reduction(+ : r) // expected-error 2 {{const-qualified variable cannot be reduction}}
174 foo();
175 #pragma omp parallel shared(i)
176 #pragma omp parallel reduction(min : i)
177 #pragma omp target teams reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
178 foo();
179 #pragma omp target teams
180 #pragma omp parallel for private(fl)
181 for (int i = 0; i < 10; ++i)
182 {}
183 #pragma omp target teams reduction(+ : fl) allocate(omp_thread_mem_alloc: fl) // expected-warning 2 {{allocator with the 'thread' trait access has unspecified behavior on 'target teams' directive}}
184 foo();
185 #pragma omp target teams
186 #pragma omp parallel for reduction(- : fl)
187 for (int i = 0; i < 10; ++i)
188 {}
189 #pragma omp target teams reduction(+ : fl)
190 foo();
191
192 return T();
193 }
194
195 namespace A {
196 double x;
197 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
198 }
199 namespace B {
200 using A::x;
201 }
202
main(int argc,char ** argv)203 int main(int argc, char **argv) {
204 const int d = 5; // expected-note 2 {{'d' defined here}}
205 const int da[5] = {0}; // expected-note {{'da' defined here}}
206 int qa[5] = {0};
207 S4 e(4);
208 S5 g(5);
209 int i, z;
210 int &j = i; // expected-note 2 {{'j' defined here}}
211 S3 &p = k; // expected-note 2 {{'p' defined here}}
212 const int &r = da[i]; // expected-note {{'r' defined here}}
213 int &q = qa[i]; // expected-note {{'q' defined here}}
214 float fl;
215 #pragma omp target teams reduction // expected-error {{expected '(' after 'reduction'}}
216 foo();
217 #pragma omp target teams reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp target teams' are ignored}}
218 foo();
219 #pragma omp target teams reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
220 foo();
221 #pragma omp target teams reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
222 foo();
223 #pragma omp target teams reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
224 foo();
225 #pragma omp target teams reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
226 foo();
227 #pragma omp target teams reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
228 foo();
229 #pragma omp target teams reduction(foo : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}}
230 foo();
231 #pragma omp target teams reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
232 foo();
233 #pragma omp target teams reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}}
234 foo();
235 #pragma omp target teams reduction(~ : argc) // expected-error {{expected unqualified-id}}
236 foo();
237 #pragma omp target teams reduction(&& : argc, z)
238 foo();
239 #pragma omp target teams reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
240 foo();
241 #pragma omp target teams 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 foo();
243 #pragma omp target teams 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}}
244 foo();
245 #pragma omp target teams reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
246 foo();
247 #pragma omp target teams reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
248 foo();
249 #pragma omp target teams reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
250 foo();
251 #pragma omp target teams reduction(- : da) // expected-error {{const-qualified variable cannot be reduction}}
252 foo();
253 #pragma omp target teams reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
254 foo();
255 #pragma omp target teams reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
256 foo();
257 #pragma omp target teams reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
258 foo();
259 #pragma omp target teams 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')}}
260 foo();
261 #pragma omp target teams reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}
262 foo();
263 #pragma omp target teams reduction(+ : o) // expected-error {{no viable overloaded '='}}
264 foo();
265 #pragma omp target teams private(i), reduction(+ : j), reduction(+ : q) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
266 foo();
267 #pragma omp parallel private(k)
268 #pragma omp target teams reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
269 foo();
270 #pragma omp target teams reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}}
271 foo();
272 #pragma omp target teams reduction(+ : r) // expected-error {{const-qualified variable cannot be reduction}}
273 foo();
274 #pragma omp parallel shared(i)
275 #pragma omp parallel reduction(min : i)
276 #pragma omp target teams reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
277 foo();
278 #pragma omp target teams
279 #pragma omp parallel for private(fl)
280 for (int i = 0; i < 10; ++i)
281 {}
282 #pragma omp target teams reduction(+ : fl)
283 foo();
284 #pragma omp target teams
285 #pragma omp parallel for reduction(- : fl)
286 for (int i = 0; i < 10; ++i)
287 {}
288 #pragma omp target teams reduction(+ : fl)
289 foo();
290 static int m;
291 #pragma omp target teams reduction(+ : m) // OK
292 foo();
293 #pragma omp target teams 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}}
294 foo();
295
296 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}}
297 }
298