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 extern int omp_default_mem_alloc;
10 void foo() {
11 }
12 
13 bool foobool(int argc) {
14   return argc;
15 }
16 
17 void foobar(int &ref) {
18 #pragma omp taskgroup task_reduction(+:ref)
19   foo();
20 }
21 
22 struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
23 extern S1 a;
24 class S2 {
25   mutable int a;
26   S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}
27 
28 public:
29   S2() : a(0) {}
30   S2(S2 &s2) : a(s2.a) {}
31   static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
32   static const float S2sc; // expected-note 2 {{'S2sc' declared here}}
33 };
34 const float S2::S2sc = 0;
35 S2 b;                     // expected-note 3 {{'b' defined here}}
36 const S2 ba[5];           // expected-note 2 {{'ba' defined here}}
37 class S3 {
38   int a;
39 
40 public:
41   int b;
42   S3() : a(0) {}
43   S3(const S3 &s3) : a(s3.a) {}
44   S3 operator+(const S3 &arg1) { return arg1; }
45 };
46 int operator+(const S3 &arg1, const S3 &arg2) { return 5; }
47 S3 c;               // expected-note 3 {{'c' defined here}}
48 const S3 ca[5];     // expected-note 2 {{'ca' defined here}}
49 extern const int f; // expected-note 4 {{'f' declared here}}
50 class S4 {
51   int a;
52   S4(); // expected-note {{implicitly declared private here}}
53   S4(const S4 &s4);
54   S4 &operator+(const S4 &arg) { return (*this); }
55 
56 public:
57   S4(int v) : a(v) {}
58 };
59 S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
60 class S5 {
61   int a;
62   S5() : a(0) {} // expected-note {{implicitly declared private here}}
63   S5(const S5 &s5) : a(s5.a) {}
64   S5 &operator+(const S5 &arg);
65 
66 public:
67   S5(int v) : a(v) {}
68 };
69 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}}
70 #if __cplusplus >= 201103L // C++11 or later
71 // expected-note@-2 3 {{candidate function (the implicit move assignment operator) not viable}}
72 #endif
73   int a;
74 
75 public:
76   S6() : a(6) {}
77   operator int() { return 6; }
78 } o;
79 
80 S3 h, k;
81 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
82 
83 template <class T>       // expected-note {{declared here}}
84 T tmain(T argc) {
85   const T d = T();       // expected-note 4 {{'d' defined here}}
86   const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}
87   T qa[5] = {T()};
88   T i, z;
89   T &j = i;                    // expected-note 2 {{'j' defined here}}
90   S3 &p = k;                   // expected-note 2 {{'p' defined here}}
91   const T &r = da[(int)i];     // expected-note 2 {{'r' defined here}}
92   T &q = qa[(int)i];
93   T fl;
94 #pragma omp taskgroup task_reduction // expected-error {{expected '(' after 'task_reduction'}}
95   foo();
96 #pragma omp taskgroup task_reduction + // expected-error {{expected '(' after 'task_reduction'}} expected-warning {{extra tokens at the end of '#pragma omp taskgroup' are ignored}}
97   foo();
98 #pragma omp taskgroup task_reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
99   foo();
100 #pragma omp taskgroup task_reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
101   foo();
102 #pragma omp taskgroup task_reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
103   foo();
104 #pragma omp taskgroup task_reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}}
105   foo();
106 #pragma omp taskgroup task_reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
107   foo();
108 #pragma omp taskgroup task_reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
109   foo();
110 #pragma omp taskgroup task_reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
111   foo();
112 #pragma omp taskgroup task_reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}}
113   foo();
114 #pragma omp taskgroup task_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'}}
115   foo();
116 #pragma omp taskgroup task_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 '('}}
117   foo();
118 #pragma omp taskgroup task_reduction(^ : T) // expected-error {{'T' does not refer to a value}}
119   foo();
120 #pragma omp taskgroup task_reduction(+ : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 3 {{const-qualified variable cannot be task_reduction}} expected-error 2 {{'operator+' is a private member of 'S2'}}
121   foo();
122 #pragma omp taskgroup task_reduction(min : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 4 {{arguments of OpenMP clause 'task_reduction' for 'min' or 'max' must be of arithmetic type}} expected-error 3 {{const-qualified variable cannot be task_reduction}}
123   foo();
124 #pragma omp taskgroup task_reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
125   foo();
126 #pragma omp taskgroup task_reduction(+ : ba) // expected-error {{const-qualified variable cannot be task_reduction}}
127   foo();
128 #pragma omp taskgroup task_reduction(* : ca) // expected-error {{const-qualified variable cannot be task_reduction}}
129   foo();
130 #pragma omp taskgroup task_reduction(- : da) // expected-error {{const-qualified variable cannot be task_reduction}} expected-error {{const-qualified variable cannot be task_reduction}}
131   foo();
132 #pragma omp taskgroup task_reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
133   foo();
134 #pragma omp taskgroup task_reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
135   foo();
136 #pragma omp taskgroup task_reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be task_reduction}}
137   foo();
138 #pragma omp taskgroup task_reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
139   foo();
140 #pragma omp taskgroup task_reduction(+ : o, z) // expected-error 2 {{no viable overloaded '='}}
141   foo();
142 #pragma omp parallel private(k)
143 #pragma omp taskgroup task_reduction(+ : p), task_reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'task_reduction' must reference the same object in all threads}}
144   foo();
145 #pragma omp taskgroup task_reduction(+ : p), task_reduction(+ : p) // expected-error 2 {{variable can appear only once in OpenMP 'task_reduction' clause}} expected-note 2 {{previously referenced here}}
146   foo();
147 #pragma omp taskgroup task_reduction(+ : r) // expected-error 2 {{const-qualified variable cannot be task_reduction}}
148   foo();
149 #pragma omp parallel shared(i)
150 #pragma omp parallel reduction(min : i)
151 #pragma omp taskgroup task_reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'task_reduction' must reference the same object in all threads}}
152   foo();
153 #pragma omp parallel
154 #pragma omp for private(fl)
155   for (int i = 0; i < 10; ++i)
156 #pragma omp taskgroup task_reduction(+ : fl)
157     foo();
158 #pragma omp parallel
159 #pragma omp for reduction(- : fl)
160   for (int i = 0; i < 10; ++i)
161 #pragma omp taskgroup task_reduction(+ : fl)
162     foo();
163 
164   return T();
165 }
166 
167 namespace A {
168 double x;
169 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
170 }
171 namespace B {
172 using A::x;
173 }
174 
175 int main(int argc, char **argv) {
176   const int d = 5;       // expected-note 2 {{'d' defined here}}
177   const int da[5] = {0}; // expected-note {{'da' defined here}}
178   int qa[5] = {0};
179   S4 e(4);
180   S5 g(5);
181   int i, z;
182   int &j = i;                  // expected-note {{'j' defined here}}
183   S3 &p = k;                   // expected-note 2 {{'p' defined here}}
184   const int &r = da[i];        // expected-note {{'r' defined here}}
185   int &q = qa[i];
186   float fl;
187 #pragma omp taskgroup task_reduction // expected-error {{expected '(' after 'task_reduction'}}
188   foo();
189 #pragma omp taskgroup task_reduction + // expected-error {{expected '(' after 'task_reduction'}} expected-warning {{extra tokens at the end of '#pragma omp taskgroup' are ignored}}
190   foo();
191 #pragma omp taskgroup task_reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
192   foo();
193 #pragma omp taskgroup task_reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
194   foo();
195 #pragma omp taskgroup task_reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
196   foo();
197 #pragma omp taskgroup task_reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}}
198   foo();
199 #pragma omp taskgroup task_reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
200   foo();
201 #pragma omp taskgroup task_reduction(foo : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}}
202   foo();
203 #pragma omp taskgroup task_reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
204   foo();
205 #pragma omp taskgroup task_reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}}
206   foo();
207 #pragma omp taskgroup task_reduction(~ : argc) // expected-error {{expected unqualified-id}}
208   foo();
209 #pragma omp taskgroup task_reduction(&& : argc)
210   foo();
211 #pragma omp taskgroup task_reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
212   foo();
213 #pragma omp taskgroup task_reduction(+ : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 2 {{const-qualified variable cannot be task_reduction}} expected-error {{'operator+' is a private member of 'S2'}}
214   foo();
215 #pragma omp taskgroup task_reduction(min : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 2 {{arguments of OpenMP clause 'task_reduction' for 'min' or 'max' must be of arithmetic type}} expected-error 2 {{const-qualified variable cannot be task_reduction}}
216   foo();
217 #pragma omp taskgroup task_reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
218   foo();
219 #pragma omp taskgroup task_reduction(+ : ba) // expected-error {{const-qualified variable cannot be task_reduction}}
220   foo();
221 #pragma omp taskgroup task_reduction(* : ca) // expected-error {{const-qualified variable cannot be task_reduction}}
222   foo();
223 #pragma omp taskgroup task_reduction(- : da) // expected-error {{const-qualified variable cannot be task_reduction}}
224   foo();
225 #pragma omp taskgroup task_reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
226   foo();
227 #pragma omp taskgroup task_reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
228   foo();
229 #pragma omp taskgroup task_reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be task_reduction}}
230   foo();
231 #pragma omp taskgroup task_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')}}
232   foo();
233 #pragma omp taskgroup task_reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}
234   foo();
235 #pragma omp taskgroup task_reduction(+ : o, z) // expected-error {{no viable overloaded '='}}
236   foo();
237 #pragma omp parallel private(k)
238 #pragma omp taskgroup task_reduction(+ : p), task_reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'task_reduction' must reference the same object in all threads}}
239   foo();
240 #pragma omp taskgroup task_reduction(+ : p), task_reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'task_reduction' clause}} expected-note {{previously referenced here}}
241   foo();
242 #pragma omp taskgroup task_reduction(+ : r) // expected-error {{const-qualified variable cannot be task_reduction}}
243   foo();
244 #pragma omp parallel shared(i)
245 #pragma omp parallel reduction(min : i)
246 #pragma omp taskgroup task_reduction(max : j) // expected-error {{argument of OpenMP clause 'task_reduction' must reference the same object in all threads}}
247   foo();
248 #pragma omp parallel
249 #pragma omp for private(fl)
250   for (int i = 0; i < 10; ++i)
251 #pragma omp taskgroup task_reduction(+ : fl)
252     foo();
253 #pragma omp parallel
254 #pragma omp for reduction(- : fl)
255   for (int i = 0; i < 10; ++i)
256 #pragma omp taskgroup task_reduction(+ : fl)
257     foo();
258   static int m;
259 #pragma omp taskgroup task_reduction(+ : m) // OK
260   m++;
261 
262   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}}
263 }
264