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 -ferror-limit 150 -o - %s -Wuninitialized
5 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
6 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
7 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -ferror-limit 150 -o - %s -Wuninitialized
8 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
9 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
10 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -ferror-limit 150 -o - %s -Wuninitialized
11 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
12 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
13
14 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -ferror-limit 150 -o - %s -Wuninitialized
15 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
16 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
17 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -ferror-limit 150 -o - %s -Wuninitialized
18 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
19 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
20 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -ferror-limit 150 -o - %s -Wuninitialized
21 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
22 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
23 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -ferror-limit 150 -o - %s -Wuninitialized
24 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
25 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
26
27 extern int omp_default_mem_alloc;
xxx(int argc)28 void xxx(int argc) {
29 int fp; // expected-note {{initialize the variable 'fp' to silence this warning}}
30 #pragma omp parallel reduction(+:fp) // expected-warning {{variable 'fp' is uninitialized when used here}}
31 for (int i = 0; i < 10; ++i)
32 ;
33 }
34
foo()35 void foo() {
36 }
37
foobool(int argc)38 bool foobool(int argc) {
39 return argc;
40 }
41
foobar(int & ref)42 void foobar(int &ref) {
43 #pragma omp parallel reduction(+:ref)
44 foo();
45 }
46
47 struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
48 extern S1 a;
49 class S2 {
50 mutable int a;
operator +(const S2 & arg)51 S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}
52
53 public:
S2()54 S2() : a(0) {}
S2(S2 & s2)55 S2(S2 &s2) : a(s2.a) {}
56 static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
57 static const float S2sc; // expected-note 2 {{'S2sc' declared here}}
58 };
59 const float S2::S2sc = 0;
60 S2 b; // expected-note 3 {{'b' defined here}}
61 const S2 ba[5]; // expected-note 2 {{'ba' defined here}}
62 class S3 {
63 int a;
64
65 public:
66 int b;
S3()67 S3() : a(0) {}
S3(const S3 & s3)68 S3(const S3 &s3) : a(s3.a) {}
operator +(const S3 & arg1)69 S3 operator+(const S3 &arg1) { return arg1; }
70 };
operator +(const S3 & arg1,const S3 & arg2)71 int operator+(const S3 &arg1, const S3 &arg2) { return 5; }
72 S3 c; // expected-note 3 {{'c' defined here}}
73 const S3 ca[5]; // expected-note 2 {{'ca' defined here}}
74 extern const int f; // expected-note 4 {{'f' declared here}}
75 class S4 {
76 int a;
77 S4(); // expected-note {{implicitly declared private here}}
78 S4(const S4 &s4);
operator +(const S4 & arg)79 S4 &operator+(const S4 &arg) { return (*this); }
80
81 public:
S4(int v)82 S4(int v) : a(v) {}
83 };
operator &=(S4 & arg1,S4 & arg2)84 S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
85 class S5 {
86 int a;
S5()87 S5() : a(0) {} // expected-note {{implicitly declared private here}}
S5(const S5 & s5)88 S5(const S5 &s5) : a(s5.a) {}
89 S5 &operator+(const S5 &arg);
90
91 public:
S5(int v)92 S5(int v) : a(v) {}
93 };
94 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}}
95 #if __cplusplus >= 201103L // C++11 or later
96 // expected-note@-2 3 {{candidate function (the implicit move assignment operator) not viable}}
97 #endif
98 int a;
99
100 public:
S6()101 S6() : a(6) {}
operator int()102 operator int() { return 6; }
103 } o;
104
105 S3 h, k;
106 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
107 int *gptr;
108 #pragma omp threadprivate(gptr) // expected-note {{defined as threadprivate or thread local}}
109
110 template <class T> // expected-note {{declared here}}
tmain(T argc)111 T tmain(T argc) {
112 const T d = T(); // expected-note 4 {{'d' defined here}}
113 const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}
114 T qa[5] = {T()};
115 T i, z;
116 T &j = i; // expected-note 4 {{'j' defined here}}
117 S3 &p = k; // expected-note 2 {{'p' defined here}}
118 const T &r = da[(int)i]; // expected-note 2 {{'r' defined here}}
119 T &q = qa[(int)i]; // expected-note 2 {{'q' defined here}}
120 T fl;
121 #pragma omp parallel reduction // expected-error {{expected '(' after 'reduction'}}
122 foo();
123 #pragma omp parallel reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp parallel' are ignored}}
124 foo();
125 #pragma omp parallel reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
126 foo();
127 #pragma omp parallel reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
128 foo();
129 #pragma omp parallel reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
130 foo();
131 #pragma omp parallel reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
132 foo();
133 #pragma omp parallel reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
134 foo();
135 #pragma omp parallel reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
136 foo();
137 #pragma omp 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')}}
138 foo();
139 #pragma omp parallel reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}}
140 foo();
141 #pragma omp parallel reduction(foo : argc) //omp45-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}} omp45-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}} omp50-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}} omp50-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}} omp52-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}} omp52-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}} omp60-error {{incorrect reduction identifier, expected one of '+', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}} omp60-error {{incorrect reduction identifier, expected one of '+', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}}
142 foo();
143 #pragma omp 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 '('}}
144 foo();
145 #pragma omp parallel reduction(^ : T) // expected-error {{'T' does not refer to a value}}
146 foo();
147 #pragma omp 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'}}
148 foo();
149 #pragma omp 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}}
150 foo();
151 #pragma omp parallel reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
152 foo();
153 #pragma omp parallel reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
154 foo();
155 #pragma omp parallel reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
156 foo();
157 #pragma omp parallel reduction(- : da) // expected-error 2 {{const-qualified variable cannot be reduction}} omp52-warning 3 {{minus(-) operator for reductions is deprecated; use + or user defined reduction instead}}
158 foo();
159 #pragma omp parallel reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
160 foo();
161 #pragma omp parallel reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
162 foo();
163 #pragma omp parallel reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
164 foo();
165 #pragma omp parallel reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
166 foo();
167 #pragma omp parallel reduction(+ : o) // expected-error 2 {{no viable overloaded '='}}
168 foo();
169 #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}}
170 foo();
171 #pragma omp parallel private(k)
172 #pragma omp parallel reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
173 foo();
174 #pragma omp parallel reduction(+ : p), reduction(+ : p) // expected-error 2 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 2 {{previously referenced here}}
175 foo();
176 #pragma omp parallel reduction(+ : r) // expected-error 2 {{const-qualified variable cannot be reduction}}
177 foo();
178 #pragma omp parallel shared(i)
179 #pragma omp parallel reduction(min : i)
180 #pragma omp parallel reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
181 foo();
182 #pragma omp parallel
183 #pragma omp for private(fl)
184 for (int i = 0; i < 10; ++i)
185 #pragma omp parallel reduction(+ : fl)
186 foo();
187 #pragma omp parallel
188 #pragma omp for reduction(- : fl) // omp52-warning 3 {{minus(-) operator for reductions is deprecated; use + or user defined reduction instead}} omp60-error{{incorrect reduction identifier, expected one of '+', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}} omp60-error{{incorrect reduction identifier, expected one of '+', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}}
189 for (int i = 0; i < 10; ++i)
190 #pragma omp parallel reduction(+ : fl)
191 foo();
192
193 return T();
194 }
195
196 namespace A {
197 double x;
198 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
199 }
200 namespace B {
201 using A::x;
202 }
203
main(int argc,char ** argv)204 int main(int argc, char **argv) {
205 const int d = 5; // expected-note 2 {{'d' defined here}}
206 const int da[5] = {0}; // expected-note {{'da' defined here}}
207 int qa[5] = {0};
208 S4 e(4);
209 S5 g(5);
210 int i, z;
211 int &j = i; // expected-note 2 {{'j' defined here}}
212 S3 &p = k; // expected-note 2 {{'p' defined here}}
213 const int &r = da[i]; // expected-note {{'r' defined here}}
214 int &q = qa[i]; // expected-note {{'q' defined here}}
215 float fl;
216 #pragma omp parallel reduction // expected-error {{expected '(' after 'reduction'}}
217 foo();
218 #pragma omp parallel reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp parallel' are ignored}}
219 foo();
220 #pragma omp parallel reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
221 foo();
222 #pragma omp parallel reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
223 foo();
224 #pragma omp parallel reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
225 foo();
226 #pragma omp parallel reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
227 foo();
228 #pragma omp parallel reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
229 foo();
230 #pragma omp parallel reduction(foo : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} omp45-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}} omp50-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}} omp52-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}} omp60-error {{incorrect reduction identifier, expected one of '+', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}}
231 foo();
232 #pragma omp parallel reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
233 foo();
234 #pragma omp parallel reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}}
235 foo();
236 #pragma omp parallel reduction(~ : argc) // expected-error {{expected unqualified-id}}
237 foo();
238 #pragma omp parallel reduction(&& : argc, z)
239 foo();
240 #pragma omp parallel reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
241 foo();
242 #pragma omp 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'}}
243 foo();
244 #pragma omp 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}}
245 foo();
246 #pragma omp parallel reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
247 foo();
248 #pragma omp parallel reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
249 foo();
250 #pragma omp parallel reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
251 foo();
252 #pragma omp parallel reduction(- : da) // expected-error {{const-qualified variable cannot be reduction}} omp52-warning {{minus(-) operator for reductions is deprecated; use + or user defined reduction instead}}
253 foo();
254 #pragma omp parallel reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
255 foo();
256 #pragma omp parallel reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
257 foo();
258 #pragma omp parallel reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
259 foo();
260 #pragma omp parallel 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')}}
261 foo();
262 #pragma omp parallel reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}
263 foo();
264 #pragma omp parallel reduction(+ : o) // expected-error {{no viable overloaded '='}}
265 foo();
266 #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}}
267 foo();
268 #pragma omp parallel private(k)
269 #pragma omp parallel reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
270 foo();
271 #pragma omp parallel reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}}
272 foo();
273 #pragma omp parallel reduction(+ : r) // expected-error {{const-qualified variable cannot be reduction}}
274 foo();
275 #pragma omp parallel shared(i)
276 #pragma omp parallel reduction(min : i)
277 #pragma omp parallel reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
278 foo();
279 #pragma omp parallel
280 #pragma omp for private(fl)
281 for (int i = 0; i < 10; ++i)
282 #pragma omp parallel reduction(+ : fl)
283 foo();
284 #pragma omp parallel
285 #pragma omp for reduction(- : fl) // omp52-warning {{minus(-) operator for reductions is deprecated; use + or user defined reduction instead}} omp60-error{{incorrect reduction identifier, expected one of '+', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}}
286 for (int i = 0; i < 10; ++i)
287 #pragma omp parallel reduction(+ : fl)
288 foo();
289 static int m;
290 #pragma omp parallel reduction(+ : m) // OK
291 m++;
292 #pragma omp parallel reduction(task, + : m) // omp45-error 2 {{expected expression}} omp45-warning {{missing ':' after reduction identifier - ignoring}}
293 m++;
294 #pragma omp parallel reduction(+:gptr[:argc]) // expected-error {{threadprivate or thread local variable cannot be reduction}}
295 ;
296
297 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}}
298 }
299