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 typedef void **omp_allocator_handle_t;
10 extern const omp_allocator_handle_t omp_default_mem_alloc;
11 extern const omp_allocator_handle_t omp_large_cap_mem_alloc;
12 extern const omp_allocator_handle_t omp_const_mem_alloc;
13 extern const omp_allocator_handle_t omp_high_bw_mem_alloc;
14 extern const omp_allocator_handle_t omp_low_lat_mem_alloc;
15 extern const omp_allocator_handle_t omp_cgroup_mem_alloc;
16 extern const omp_allocator_handle_t omp_pteam_mem_alloc;
17 extern const omp_allocator_handle_t omp_thread_mem_alloc;
18
xxx(int argc)19 void xxx(int argc) {
20 int fp; // expected-note {{initialize the variable 'fp' to silence this warning}}
21 #pragma omp target parallel reduction(+:fp) // expected-warning {{variable 'fp' is uninitialized when used here}}
22 for (int i = 0; i < 10; ++i)
23 ;
24 }
25
foo()26 void foo() {
27 }
28
foobool(int argc)29 bool foobool(int argc) {
30 return argc;
31 }
32
foobar(int & ref)33 void foobar(int &ref) {
34 #pragma omp target parallel reduction(+:ref)
35 foo();
36 }
37
38 struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
39 extern S1 a;
40 class S2 {
41 mutable int a;
operator +(const S2 & arg)42 S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}
43
44 public:
S2()45 S2() : a(0) {}
S2(S2 & s2)46 S2(S2 &s2) : a(s2.a) {}
47 static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
48 static const float S2sc; // expected-note 2 {{'S2sc' declared here}}
49 };
50 const float S2::S2sc = 0;
51 S2 b; // expected-note 3 {{'b' defined here}}
52 const S2 ba[5]; // expected-note 2 {{'ba' defined here}}
53 class S3 {
54 int a;
55
56 public:
57 int b;
S3()58 S3() : a(0) {}
S3(const S3 & s3)59 S3(const S3 &s3) : a(s3.a) {}
operator +(const S3 & arg1)60 S3 operator+(const S3 &arg1) { return arg1; }
61 };
operator +(const S3 & arg1,const S3 & arg2)62 int operator+(const S3 &arg1, const S3 &arg2) { return 5; }
63 S3 c; // expected-note 3 {{'c' defined here}}
64 const S3 ca[5]; // expected-note 2 {{'ca' defined here}}
65 extern const int f; // expected-note 4 {{'f' declared here}}
66 class S4 {
67 int a;
68 S4(); // expected-note {{implicitly declared private here}}
69 S4(const S4 &s4);
operator +(const S4 & arg)70 S4 &operator+(const S4 &arg) { return (*this); }
71
72 public:
S4(int v)73 S4(int v) : a(v) {}
74 };
operator &=(S4 & arg1,S4 & arg2)75 S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
76 class S5 {
77 int a;
S5()78 S5() : a(0) {} // expected-note {{implicitly declared private here}}
S5(const S5 & s5)79 S5(const S5 &s5) : a(s5.a) {}
80 S5 &operator+(const S5 &arg);
81
82 public:
S5(int v)83 S5(int v) : a(v) {}
84 };
85 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}}
86 #if __cplusplus >= 201103L // C++11 or later
87 // expected-note@-2 3 {{candidate function (the implicit move assignment operator) not viable}}
88 #endif
89 int a;
90
91 public:
S6()92 S6() : a(6) {}
operator int()93 operator int() { return 6; }
94 } o;
95
96 S3 h, k;
97 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
98
99 template <class T> // expected-note {{declared here}}
tmain(T argc)100 T tmain(T argc) {
101 const T d = T(); // expected-note 4 {{'d' defined here}}
102 const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}
103 T qa[5] = {T()};
104 T i, z;
105 T &j = i; // expected-note 4 {{'j' defined here}}
106 S3 &p = k; // expected-note 2 {{'p' defined here}}
107 const T &r = da[(int)i]; // expected-note 2 {{'r' defined here}}
108 T &q = qa[(int)i]; // expected-note 2 {{'q' defined here}}
109 T fl;
110 #pragma omp target parallel reduction // expected-error {{expected '(' after 'reduction'}}
111 foo();
112 #pragma omp target parallel reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp target parallel' are ignored}}
113 foo();
114 #pragma omp target parallel reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
115 foo();
116 #pragma omp target parallel reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
117 foo();
118 #pragma omp target parallel reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
119 foo();
120 #pragma omp target parallel reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
121 foo();
122 #pragma omp target parallel reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
123 foo();
124 #pragma omp target parallel reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
125 foo();
126 #pragma omp target parallel reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
127 foo();
128 #pragma omp target parallel reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}}
129 foo();
130 #pragma omp target parallel 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'}}
131 foo();
132 #pragma omp target parallel 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 '('}}
133 foo();
134 #pragma omp target parallel reduction(^ : T) // expected-error {{'T' does not refer to a value}}
135 foo();
136 #pragma omp target parallel 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'}}
137 foo();
138 #pragma omp target parallel 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}}
139 foo();
140 #pragma omp target parallel reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
141 foo();
142 #pragma omp target parallel reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
143 foo();
144 #pragma omp target parallel reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
145 foo();
146 #pragma omp target parallel reduction(- : da) // expected-error {{const-qualified variable cannot be reduction}} expected-error {{const-qualified variable cannot be reduction}}
147 foo();
148 #pragma omp target parallel reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
149 foo();
150 #pragma omp target parallel reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
151 foo();
152 #pragma omp target parallel reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
153 foo();
154 #pragma omp target parallel reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
155 foo();
156 #pragma omp target parallel reduction(+ : o) // expected-error 2 {{no viable overloaded '='}}
157 foo();
158 #pragma omp target parallel private(i), reduction(+ : j), reduction(+ : q) // expected-error 4 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
159 foo();
160 #pragma omp parallel private(k)
161 #pragma omp target parallel reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
162 foo();
163 #pragma omp target parallel reduction(+ : p), reduction(+ : p) // expected-error 2 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 2 {{previously referenced here}}
164 foo();
165 #pragma omp target parallel reduction(+ : r) // expected-error 2 {{const-qualified variable cannot be reduction}}
166 foo();
167 #pragma omp target parallel shared(i)
168 foo();
169 #pragma omp parallel reduction(min : i)
170 #pragma omp target parallel reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
171 foo();
172 #pragma omp target parallel
173 #pragma omp for private(fl)
174 for (int i = 0; i < 10; ++i)
175 {}
176 #pragma omp target parallel reduction(+ : fl) allocate(omp_thread_mem_alloc: fl) // expected-warning 2 {{allocator with the 'thread' trait access has unspecified behavior on 'target parallel' directive}}
177 foo();
178 #pragma omp target parallel
179 #pragma omp for reduction(- : fl)
180 for (int i = 0; i < 10; ++i)
181 {}
182 #pragma omp target parallel reduction(+ : fl)
183 foo();
184
185 return T();
186 }
187
188 namespace A {
189 double x;
190 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
191 }
192 namespace B {
193 using A::x;
194 }
195
main(int argc,char ** argv)196 int main(int argc, char **argv) {
197 const int d = 5; // expected-note 2 {{'d' defined here}}
198 const int da[5] = {0}; // expected-note {{'da' defined here}}
199 int qa[5] = {0};
200 S4 e(4);
201 S5 g(5);
202 int i, z;
203 int &j = i; // expected-note 2 {{'j' defined here}}
204 S3 &p = k; // expected-note 2 {{'p' defined here}}
205 const int &r = da[i]; // expected-note {{'r' defined here}}
206 int &q = qa[i]; // expected-note {{'q' defined here}}
207 float fl;
208 #pragma omp target parallel reduction // expected-error {{expected '(' after 'reduction'}}
209 foo();
210 #pragma omp target parallel reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp target parallel' are ignored}}
211 foo();
212 #pragma omp target parallel reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
213 foo();
214 #pragma omp target parallel reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
215 foo();
216 #pragma omp target parallel reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
217 foo();
218 #pragma omp target parallel reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
219 foo();
220 #pragma omp target parallel reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
221 foo();
222 #pragma omp target parallel reduction(foo : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}}
223 foo();
224 #pragma omp target parallel reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
225 foo();
226 #pragma omp target parallel reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}}
227 foo();
228 #pragma omp target parallel reduction(~ : argc) // expected-error {{expected unqualified-id}}
229 foo();
230 #pragma omp target parallel reduction(&& : argc, z)
231 foo();
232 #pragma omp target parallel reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
233 foo();
234 #pragma omp target parallel 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'}}
235 foo();
236 #pragma omp target parallel 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}}
237 foo();
238 #pragma omp target parallel reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
239 foo();
240 #pragma omp target parallel reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
241 foo();
242 #pragma omp target parallel reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
243 foo();
244 #pragma omp target parallel reduction(- : da) // expected-error {{const-qualified variable cannot be reduction}}
245 foo();
246 #pragma omp target parallel reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
247 foo();
248 #pragma omp target parallel reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
249 foo();
250 #pragma omp target parallel reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
251 foo();
252 #pragma omp target parallel reduction(& : e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{nvalid 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')}}
253 foo();
254 #pragma omp target parallel reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}
255 foo();
256 #pragma omp target parallel reduction(+ : o) // expected-error {{no viable overloaded '='}}
257 foo();
258 #pragma omp target parallel private(i), reduction(+ : j), reduction(+ : q) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
259 foo();
260 #pragma omp parallel private(k)
261 #pragma omp target parallel reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
262 foo();
263 #pragma omp target parallel reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}}
264 foo();
265 #pragma omp target parallel reduction(+ : r) // expected-error {{const-qualified variable cannot be reduction}}
266 foo();
267 #pragma omp target parallel shared(i)
268 foo();
269 #pragma omp parallel reduction(min : i)
270 #pragma omp target parallel reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
271 foo();
272 #pragma omp target parallel
273 #pragma omp for private(fl)
274 for (int i = 0; i < 10; ++i)
275 {}
276 #pragma omp target parallel reduction(+ : fl)
277 foo();
278 #pragma omp target parallel
279 #pragma omp for reduction(- : fl)
280 for (int i = 0; i < 10; ++i)
281 {}
282 #pragma omp target parallel reduction(+ : fl)
283 foo();
284 static int m;
285 #pragma omp target parallel reduction(+ : m) // OK
286 m++;
287
288 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}}
289 }
290