1 // RUN: %clang_cc1 -verify -fopenmp=libiomp5 -ferror-limit 100 -o - %s
2
foo()3 void foo() {
4 }
5
foobool(int argc)6 bool foobool(int argc) {
7 return argc;
8 }
9
10 struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
11 extern S1 a;
12 class S2 {
13 mutable int a;
operator +=(const S2 & arg)14 S2 &operator+=(const S2 &arg) { return (*this); }
15
16 public:
S2()17 S2() : a(0) {}
S2(S2 & s2)18 S2(S2 &s2) : a(s2.a) {}
19 static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
20 static const float S2sc;
21 };
22 const float S2::S2sc = 0; // expected-note 2 {{'S2sc' defined here}}
23 S2 b; // expected-note 2 {{'b' defined here}}
24 const S2 ba[5]; // expected-note 2 {{'ba' defined here}}
25 class S3 {
26 int a;
27
28 public:
S3()29 S3() : a(0) {}
S3(const S3 & s3)30 S3(const S3 &s3) : a(s3.a) {}
operator +=(const S3 & arg1)31 S3 operator+=(const S3 &arg1) { return arg1; }
32 };
operator +=(const S3 & arg1,const S3 & arg2)33 int operator+=(const S3 &arg1, const S3 &arg2) { return 5; }
34 S3 c; // expected-note 2 {{'c' defined here}}
35 const S3 ca[5]; // expected-note 2 {{'ca' defined here}}
36 extern const int f; // expected-note 4 {{'f' declared here}}
37 class S4 { // expected-note {{'S4' declared here}}
38 int a;
39 S4();
40 S4(const S4 &s4);
operator +=(const S4 & arg)41 S4 &operator+=(const S4 &arg) { return (*this); }
42
43 public:
S4(int v)44 S4(int v) : a(v) {}
45 };
operator &=(S4 & arg1,S4 & arg2)46 S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
47 class S5 {
48 int a;
S5()49 S5() : a(0) {}
S5(const S5 & s5)50 S5(const S5 &s5) : a(s5.a) {}
51 S5 &operator+=(const S5 &arg);
52
53 public:
S5(int v)54 S5(int v) : a(v) {}
55 };
56 class S6 {
57 int a;
58
59 public:
S6()60 S6() : a(6) {}
operator int()61 operator int() { return 6; }
62 } o; // expected-note 2 {{'o' defined here}}
63
64 S3 h, k;
65 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
66
67 template <class T> // expected-note {{declared here}}
tmain(T argc)68 T tmain(T argc) { // expected-note 2 {{'argc' defined here}}
69 const T d = T(); // expected-note 4 {{'d' defined here}}
70 const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}
71 T qa[5] = {T()};
72 T i;
73 T &j = i; // expected-note 4 {{'j' defined here}}
74 S3 &p = k; // expected-note 2 {{'p' defined here}}
75 const T &r = da[(int)i]; // expected-note 2 {{'r' defined here}}
76 T &q = qa[(int)i]; // expected-note 2 {{'q' defined here}}
77 T fl; // expected-note {{'fl' defined here}}
78 #pragma omp parallel reduction // expected-error {{expected '(' after 'reduction'}}
79 foo();
80 #pragma omp parallel reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp parallel' are ignored}}
81 foo();
82 #pragma omp parallel reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
83 foo();
84 #pragma omp parallel reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
85 foo();
86 #pragma omp parallel reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
87 foo();
88 #pragma omp parallel reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
89 foo();
90 #pragma omp parallel reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
91 foo();
92 #pragma omp parallel reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{variable of type 'float' is not valid for specified reduction operation}}
93 foo();
94 #pragma omp parallel reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{variable of type 'float' is not valid for specified reduction operation}}
95 foo();
96 #pragma omp parallel reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name}}
97 foo();
98 #pragma omp parallel reduction(foo : argc) //expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}}
99 foo();
100 #pragma omp parallel reduction(&& : argc)
101 foo();
102 #pragma omp parallel reduction(^ : T) // expected-error {{'T' does not refer to a value}}
103 foo();
104 #pragma omp parallel reduction(+ : a, b, c, d, f) // expected-error {{reduction variable with incomplete type 'S1'}} expected-error 3 {{const-qualified variable cannot be reduction}}
105 foo();
106 #pragma omp parallel reduction(min : a, b, c, d, f) // expected-error {{reduction variable with incomplete type 'S1'}} expected-error 2 {{arguments of OpenMP clause 'reduction' for 'min' or 'max' must be of arithmetic type}} expected-error 3 {{const-qualified variable cannot be reduction}}
107 foo();
108 #pragma omp parallel reduction(max : qa[1]) // expected-error 2 {{expected variable name}}
109 foo();
110 #pragma omp parallel reduction(+ : ba) // expected-error {{a reduction variable with array type 'const S2 [5]'}}
111 foo();
112 #pragma omp parallel reduction(* : ca) // expected-error {{a reduction variable with array type 'const S3 [5]'}}
113 foo();
114 #pragma omp parallel reduction(- : da) // expected-error {{a reduction variable with array type 'const int [5]'}} expected-error {{a reduction variable with array type 'const float [5]'}}
115 foo();
116 #pragma omp parallel reduction(^ : fl) // expected-error {{variable of type 'float' is not valid for specified reduction operation}}
117 foo();
118 #pragma omp parallel reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
119 foo();
120 #pragma omp parallel reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
121 foo();
122 #pragma omp parallel reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
123 foo();
124 #pragma omp parallel reduction(+ : o) // expected-error {{variable of type 'class S6' is not valid for specified reduction operation}}
125 foo();
126 #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}}
127 foo();
128 #pragma omp parallel private(k)
129 #pragma omp parallel reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
130 foo();
131 #pragma omp parallel reduction(+ : p), reduction(+ : p) // expected-error 3 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 3 {{previously referenced here}}
132 foo();
133 #pragma omp parallel reduction(+ : r) // expected-error 2 {{const-qualified variable cannot be reduction}}
134 foo();
135 #pragma omp parallel shared(i)
136 #pragma omp parallel reduction(min : i)
137 #pragma omp parallel reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
138 foo();
139 #pragma omp parallel
140 #pragma omp for private(fl)
141 for (int i = 0; i < 10; ++i)
142 #pragma omp parallel reduction(+ : fl)
143 foo();
144 #pragma omp parallel
145 #pragma omp for reduction(- : fl)
146 for (int i = 0; i < 10; ++i)
147 #pragma omp parallel reduction(+ : fl)
148 foo();
149
150 return T();
151 }
152
main(int argc,char ** argv)153 int main(int argc, char **argv) {
154 const int d = 5; // expected-note 2 {{'d' defined here}}
155 const int da[5] = {0}; // expected-note {{'da' defined here}}
156 int qa[5] = {0};
157 S4 e(4); // expected-note {{'e' defined here}}
158 S5 g(5); // expected-note {{'g' defined here}}
159 int i;
160 int &j = i; // expected-note 2 {{'j' defined here}}
161 S3 &p = k; // expected-note 2 {{'p' defined here}}
162 const int &r = da[i]; // expected-note {{'r' defined here}}
163 int &q = qa[i]; // expected-note {{'q' defined here}}
164 float fl; // expected-note {{'fl' defined here}}
165 #pragma omp parallel reduction // expected-error {{expected '(' after 'reduction'}}
166 foo();
167 #pragma omp parallel reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp parallel' are ignored}}
168 foo();
169 #pragma omp parallel reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
170 foo();
171 #pragma omp parallel reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
172 foo();
173 #pragma omp parallel reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
174 foo();
175 #pragma omp parallel reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
176 foo();
177 #pragma omp parallel reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
178 foo();
179 #pragma omp parallel reduction(foo : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}}
180 foo();
181 #pragma omp parallel reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
182 foo();
183 #pragma omp parallel reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
184 foo();
185 #pragma omp parallel reduction(~ : argc) // expected-error {{expected unqualified-id}}
186 foo();
187 #pragma omp parallel reduction(&& : argc)
188 foo();
189 #pragma omp parallel reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
190 foo();
191 #pragma omp parallel reduction(+ : a, b, c, d, f) // expected-error {{reduction variable with incomplete type 'S1'}} expected-error 2 {{const-qualified variable cannot be reduction}}
192 foo();
193 #pragma omp parallel reduction(min : a, b, c, d, f) // expected-error {{reduction variable 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}}
194 foo();
195 #pragma omp parallel reduction(max : argv[1]) // expected-error {{expected variable name}}
196 foo();
197 #pragma omp parallel reduction(+ : ba) // expected-error {{a reduction variable with array type 'const S2 [5]'}}
198 foo();
199 #pragma omp parallel reduction(* : ca) // expected-error {{a reduction variable with array type 'const S3 [5]'}}
200 foo();
201 #pragma omp parallel reduction(- : da) // expected-error {{a reduction variable with array type 'const int [5]'}}
202 foo();
203 #pragma omp parallel reduction(^ : fl) // expected-error {{variable of type 'float' is not valid for specified reduction operation}}
204 foo();
205 #pragma omp parallel reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
206 foo();
207 #pragma omp parallel reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
208 foo();
209 #pragma omp parallel reduction(& : e, g) // expected-error {{reduction variable must have an accessible, unambiguous default constructor}} expected-error {{variable of type 'S5' is not valid for specified reduction operation}}
210 foo();
211 #pragma omp parallel reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
212 foo();
213 #pragma omp parallel reduction(+ : o) // expected-error {{variable of type 'class S6' is not valid for specified reduction operation}}
214 foo();
215 #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}}
216 foo();
217 #pragma omp parallel private(k)
218 #pragma omp parallel reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
219 foo();
220 #pragma omp parallel reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}}
221 foo();
222 #pragma omp parallel reduction(+ : r) // expected-error {{const-qualified variable cannot be reduction}}
223 foo();
224 #pragma omp parallel shared(i)
225 #pragma omp parallel reduction(min : i)
226 #pragma omp parallel reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
227 foo();
228 #pragma omp parallel
229 #pragma omp for private(fl)
230 for (int i = 0; i < 10; ++i)
231 #pragma omp parallel reduction(+ : fl)
232 foo();
233 #pragma omp parallel
234 #pragma omp for reduction(- : fl)
235 for (int i = 0; i < 10; ++i)
236 #pragma omp parallel reduction(+ : fl)
237 foo();
238
239 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}}
240 }
241