1 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 %s -Wuninitialized
2 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -std=c++98 %s -Wuninitialized
3 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -std=c++11 %s -Wuninitialized
4 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -fopenmp-version=50 %s -Wuninitialized
5 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -fopenmp-version=50 -std=c++98 %s -Wuninitialized
6 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -fopenmp-version=50 -std=c++11 %s -Wuninitialized
7
8 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 %s -Wuninitialized
9 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++98 %s -Wuninitialized
10 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++11 %s -Wuninitialized
11 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -fopenmp-version=50 %s -Wuninitialized
12 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -fopenmp-version=50 -std=c++98 %s -Wuninitialized
13 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -fopenmp-version=50 -std=c++11 %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 target teams distribute 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 target teams distribute reduction(+:ref)
42 for (int j=0; j<100; j++) 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;
operator +(const S2 & arg)49 S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}
50
51 public:
S2()52 S2() : a(0) {}
S2(S2 & s2)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;
S3()65 S3() : a(0) {}
S3(const S3 & s3)66 S3(const S3 &s3) : a(s3.a) {}
operator +(const S3 & arg1)67 S3 operator+(const S3 &arg1) { return arg1; }
68 };
operator +(const S3 & arg1,const S3 & arg2)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);
operator +(const S4 & arg)77 S4 &operator+(const S4 &arg) { return (*this); }
78
79 public:
S4(int v)80 S4(int v) : a(v) {}
81 };
operator &=(S4 & arg1,S4 & arg2)82 S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
83 class S5 {
84 int a;
S5()85 S5() : a(0) {} // expected-note {{implicitly declared private here}}
S5(const S5 & s5)86 S5(const S5 &s5) : a(s5.a) {}
87 S5 &operator+(const S5 &arg);
88
89 public:
S5(int v)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:
S6()99 S6() : a(6) {}
operator int()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}}
tmain(T argc)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 teams distribute reduction // expected-error {{expected '(' after 'reduction'}}
118 for (int j=0; j<100; j++) foo();
119 #pragma omp target teams distribute reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp target teams distribute' are ignored}}
120 for (int j=0; j<100; j++) foo();
121 #pragma omp target teams distribute reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
122 for (int j=0; j<100; j++) foo();
123 #pragma omp target teams distribute reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
124 for (int j=0; j<100; j++) foo();
125 #pragma omp target teams distribute reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
126 for (int j=0; j<100; j++) foo();
127 #pragma omp target teams distribute reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
128 for (int j=0; j<100; j++) foo();
129 #pragma omp target teams distribute reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
130 for (int j=0; j<100; j++) foo();
131 #pragma omp target teams distribute reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
132 for (int j=0; j<100; j++) foo();
133 #pragma omp target teams distribute 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 for (int j=0; j<100; j++) foo();
135 #pragma omp target teams distribute reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}}
136 for (int j=0; j<100; j++) foo();
137 #pragma omp target teams distribute 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 for (int j=0; j<100; j++) foo();
139 #pragma omp target teams distribute 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 '('}}
140 for (int j=0; j<100; j++) foo();
141 #pragma omp target teams distribute reduction(^ : T) // expected-error {{'T' does not refer to a value}}
142 for (int j=0; j<100; j++) foo();
143 #pragma omp target teams distribute 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'}}
144 for (int j=0; j<100; j++) foo();
145 #pragma omp target teams distribute 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 for (int j=0; j<100; j++) foo();
147 #pragma omp target teams distribute reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
148 for (int j=0; j<100; j++) foo();
149 #pragma omp target teams distribute reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
150 for (int j=0; j<100; j++) foo();
151 #pragma omp target teams distribute reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
152 for (int j=0; j<100; j++) foo();
153 #pragma omp target teams distribute reduction(- : da) // expected-error {{const-qualified variable cannot be reduction}} expected-error {{const-qualified variable cannot be reduction}}
154 for (int j=0; j<100; j++) foo();
155 #pragma omp target teams distribute reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
156 for (int j=0; j<100; j++) foo();
157 #pragma omp target teams distribute reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
158 for (int j=0; j<100; j++) foo();
159 #pragma omp target teams distribute reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
160 for (int j=0; j<100; j++) foo();
161 #pragma omp target teams distribute reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
162 for (int j=0; j<100; j++) foo();
163 #pragma omp target teams distribute reduction(+ : o) // expected-error 2 {{no viable overloaded '='}}
164 for (int j=0; j<100; j++) foo();
165 #pragma omp target teams distribute private(i), reduction(+ : j), reduction(+ : q) // expected-error 4 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
166 for (int j=0; j<100; j++) foo();
167 #pragma omp parallel private(k)
168 #pragma omp target teams distribute reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
169 for (int j=0; j<100; j++) foo();
170 #pragma omp target teams distribute reduction(+ : p), reduction(+ : p) // expected-error 2 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 2 {{previously referenced here}}
171 for (int j=0; j<100; j++) foo();
172 #pragma omp target teams distribute reduction(+ : r) // expected-error 2 {{const-qualified variable cannot be reduction}}
173 for (int j=0; j<100; j++) foo();
174 #pragma omp parallel shared(i)
175 #pragma omp parallel reduction(min : i)
176 #pragma omp target teams distribute reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
177 for (int j=0; j<100; j++) foo();
178 #pragma omp target teams distribute uses_allocators(omp_thread_mem_alloc) allocate(omp_thread_mem_alloc: fl) reduction(+ : fl) // expected-warning 2 {{allocator with the 'thread' trait access has unspecified behavior on 'target teams distribute' directive}} omp45-error {{unexpected OpenMP clause 'uses_allocators' in directive '#pragma omp target teams distribute'}}
179 for (int j=0; j<100; j++) foo();
180
181 return T();
182 }
183
184 namespace A {
185 double x;
186 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
187 }
188 namespace B {
189 using A::x;
190 }
191
main(int argc,char ** argv)192 int main(int argc, char **argv) {
193 const int d = 5; // expected-note 2 {{'d' defined here}}
194 const int da[5] = {0}; // expected-note {{'da' defined here}}
195 int qa[5] = {0};
196 S4 e(4);
197 S5 g(5);
198 int i, z;
199 int &j = i; // expected-note 2 {{'j' defined here}}
200 S3 &p = k; // expected-note 2 {{'p' defined here}}
201 const int &r = da[i]; // expected-note {{'r' defined here}}
202 int &q = qa[i]; // expected-note {{'q' defined here}}
203 float fl;
204 #pragma omp target teams distribute reduction // expected-error {{expected '(' after 'reduction'}}
205 for (int j=0; j<100; j++) foo();
206 #pragma omp target teams distribute reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp target teams distribute' are ignored}}
207 for (int j=0; j<100; j++) foo();
208 #pragma omp target teams distribute reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
209 for (int j=0; j<100; j++) foo();
210 #pragma omp target teams distribute reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
211 for (int j=0; j<100; j++) foo();
212 #pragma omp target teams distribute reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
213 for (int j=0; j<100; j++) foo();
214 #pragma omp target teams distribute reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
215 for (int j=0; j<100; j++) foo();
216 #pragma omp target teams distribute reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
217 for (int j=0; j<100; j++) foo();
218 #pragma omp target teams distribute reduction(foo : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}}
219 for (int j=0; j<100; j++) foo();
220 #pragma omp target teams distribute reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
221 for (int j=0; j<100; j++) foo();
222 #pragma omp target teams distribute reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}}
223 for (int j=0; j<100; j++) foo();
224 #pragma omp target teams distribute reduction(~ : argc) // expected-error {{expected unqualified-id}}
225 for (int j=0; j<100; j++) foo();
226 #pragma omp target teams distribute reduction(&& : argc)
227 for (int j=0; j<100; j++) foo();
228 #pragma omp target teams distribute reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
229 for (int j=0; j<100; j++) foo();
230 #pragma omp target teams distribute reduction(+ : z, 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'}}
231 for (int j=0; j<100; j++) foo();
232 #pragma omp target teams distribute 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}}
233 for (int j=0; j<100; j++) foo();
234 #pragma omp target teams distribute reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
235 for (int j=0; j<100; j++) foo();
236 #pragma omp target teams distribute reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
237 for (int j=0; j<100; j++) foo();
238 #pragma omp target teams distribute reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
239 for (int j=0; j<100; j++) foo();
240 #pragma omp target teams distribute reduction(- : da) // expected-error {{const-qualified variable cannot be reduction}}
241 for (int j=0; j<100; j++) foo();
242 #pragma omp target teams distribute reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
243 for (int j=0; j<100; j++) foo();
244 #pragma omp target teams distribute reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
245 for (int j=0; j<100; j++) foo();
246 #pragma omp target teams distribute reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
247 for (int j=0; j<100; j++) foo();
248 #pragma omp target teams distribute 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')}}
249 for (int j=0; j<100; j++) foo();
250 #pragma omp target teams distribute reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}
251 for (int j=0; j<100; j++) foo();
252 #pragma omp target teams distribute reduction(+ : o) // expected-error {{no viable overloaded '='}}
253 for (int j=0; j<100; j++) foo();
254 #pragma omp target teams distribute private(i), reduction(+ : j), reduction(+ : q) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
255 for (int j=0; j<100; j++) foo();
256 #pragma omp parallel private(k)
257 #pragma omp target teams distribute reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
258 for (int j=0; j<100; j++) foo();
259 #pragma omp target teams distribute reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}}
260 for (int j=0; j<100; j++) foo();
261 #pragma omp target teams distribute reduction(+ : r) // expected-error {{const-qualified variable cannot be reduction}}
262 for (int j=0; j<100; j++) foo();
263 #pragma omp parallel shared(i)
264 #pragma omp parallel reduction(min : i)
265 #pragma omp target teams distribute reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
266 for (int j=0; j<100; j++) foo();
267 #pragma omp target teams distribute reduction(+ : fl)
268 for (int j=0; j<100; j++) foo();
269 static int m;
270 #pragma omp target teams distribute reduction(+ : m) // OK
271 for (int j=0; j<100; j++) foo();
272 #pragma omp target teams distribute 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}}
273 for (int j=0; j<100; j++) foo();
274
275 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}}
276 }
277