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