1 // RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
2 
3 // RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
4 
5 extern int omp_default_mem_alloc;
6 
xxx(int argc)7 void xxx(int argc) {
8   int i;
9 #pragma omp distribute simd linear(i)
10   for (i = 0; i < 10; ++i)
11     ;
12 }
13 
14 namespace X {
15   int x;
16 };
17 
18 struct B {
19   static int ib; // expected-note {{'B::ib' declared here}}
bfooB20   static int bfoo() { return 8; }
21 };
22 
bfoo()23 int bfoo() { return 4; }
24 
25 int z;
26 const int C1 = 1;
27 const int C2 = 2;
test_linear_colons()28 void test_linear_colons()
29 {
30   int B = 0;
31 
32 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
33 #pragma omp target
34 #pragma omp teams
35 #pragma omp distribute simd linear(B:bfoo())
36   for (int i = 0; i < 10; ++i) ;
37 
38 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
39 #pragma omp target
40 #pragma omp teams
41 #pragma omp distribute simd linear(B::ib:B:bfoo()) // expected-error {{unexpected ':' in nested name specifier; did you mean '::'}}
42   for (int i = 0; i < 10; ++i) ;
43 
44 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
45 #pragma omp target
46 #pragma omp teams
47 #pragma omp distribute simd linear(B:ib) // expected-error {{use of undeclared identifier 'ib'; did you mean 'B::ib'}}
48   for (int i = 0; i < 10; ++i) ;
49 
50 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
51 #pragma omp target
52 #pragma omp teams
53 #pragma omp distribute simd linear(z:B:ib) // expected-error {{unexpected ':' in nested name specifier; did you mean '::'?}}
54   for (int i = 0; i < 10; ++i) ;
55 
56 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
57 #pragma omp target
58 #pragma omp teams
59 #pragma omp distribute simd linear(B:B::bfoo())
60   for (int i = 0; i < 10; ++i) ;
61 
62 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
63 #pragma omp target
64 #pragma omp teams
65 #pragma omp distribute simd linear(X::x : ::z)
66   for (int i = 0; i < 10; ++i) ;
67 
68 // expected-error@+3 3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
69 #pragma omp target
70 #pragma omp teams
71 #pragma omp distribute simd linear(B,::z, X::x)
72   for (int i = 0; i < 10; ++i) ;
73 
74 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
75 #pragma omp target
76 #pragma omp teams
77 #pragma omp distribute simd linear(::z)
78   for (int i = 0; i < 10; ++i) ;
79 
80 #pragma omp target
81 #pragma omp teams
82 #pragma omp distribute simd linear(B::bfoo()) // expected-error {{expected variable name}}
83   for (int i = 0; i < 10; ++i) ;
84 
85 // expected-error@+3 2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
86 #pragma omp target
87 #pragma omp teams
88 #pragma omp distribute simd linear(B::ib,B:C1+C2)
89   for (int i = 0; i < 10; ++i) ;
90 }
91 
92 template<int L, class T, class N> T test_template(T* arr, N num) {
93   N i;
94   T sum = (T)0;
95   T ind2 = - num * L; // expected-note {{'ind2' defined here}}
96 
97 #pragma omp target
98 #pragma omp teams
99 #pragma omp distribute simd linear(ind2:L) // expected-error {{argument of a linear clause should be of integral or pointer type}}
100   for (i = 0; i < num; ++i) {
101     T cur = arr[(int)ind2];
102     ind2 += L;
103     sum += cur;
104   }
105   return T();
106 }
107 
test_warn()108 template<int LEN> int test_warn() {
109   int ind2 = 0;
110   #pragma omp target
111   #pragma omp teams
112   #pragma omp parallel for simd linear(ind2:LEN) // expected-warning {{zero linear step (ind2 should probably be const)}}
113   for (int i = 0; i < 100; i++) {
114     ind2 += LEN;
115   }
116   return ind2;
117 }
118 
119 struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
120 extern S1 a;
121 class S2 {
122   mutable int a;
123 public:
S2()124   S2():a(0) { }
125 };
126 const S2 b; // expected-note 2 {{'b' defined here}}
127 const S2 ba[5];
128 class S3 {
129   int a;
130 public:
S3()131   S3():a(0) { }
132 };
133 const S3 ca[5];
134 class S4 {
135   int a;
136   S4();
137 public:
S4(int v)138   S4(int v):a(v) { }
139 };
140 class S5 {
141   int a;
S5()142   S5():a(0) {}
143 public:
S5(int v)144   S5(int v):a(v) { }
145 };
146 
147 S3 h;
148 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
149 
foomain(I argc,C ** argv)150 template<class I, class C> int foomain(I argc, C **argv) {
151   I e(4);
152   I g(5);
153   int i;
154   int &j = i;
155 
156 #pragma omp target
157 #pragma omp teams
158 #pragma omp distribute simd linear // expected-error {{expected '(' after 'linear'}}
159   for (int k = 0; k < argc; ++k) ++k;
160 
161 #pragma omp target
162 #pragma omp teams
163 #pragma omp distribute simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
164   for (int k = 0; k < argc; ++k) ++k;
165 
166 #pragma omp target
167 #pragma omp teams
168 #pragma omp distribute simd linear () // expected-error {{expected expression}}
169   for (int k = 0; k < argc; ++k) ++k;
170 
171 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
172 #pragma omp target
173 #pragma omp teams
174 #pragma omp distribute simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
175   for (int k = 0; k < argc; ++k) ++k;
176 
177 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
178 #pragma omp target
179 #pragma omp teams
180 #pragma omp distribute simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
181   for (int k = 0; k < argc; ++k) ++k;
182 
183 #pragma omp target
184 #pragma omp teams
185 #pragma omp distribute simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
186   for (int k = 0; k < argc; ++k) ++k;
187 
188 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
189 #pragma omp target
190 #pragma omp teams
191 #pragma omp distribute simd linear (argc : 5)
192   for (int k = 0; k < argc; ++k) ++k;
193 
194 #pragma omp target
195 #pragma omp teams
196 #pragma omp distribute simd linear (S1) // expected-error {{'S1' does not refer to a value}}
197   for (int k = 0; k < argc; ++k) ++k;
198 
199 #pragma omp target
200 #pragma omp teams
201 #pragma omp distribute simd linear (a, b:B::ib) // expected-error {{linear variable with incomplete type 'S1'}} expected-error {{argument of a linear clause should be of integral or pointer type, not 'S2'}}
202   for (int k = 0; k < argc; ++k) ++k;
203 
204 #pragma omp target
205 #pragma omp teams
206 #pragma omp distribute simd linear (argv[1]) // expected-error {{expected variable name}}
207   for (int k = 0; k < argc; ++k) ++k;
208 
209 // expected-error@+3 2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
210 #pragma omp target
211 #pragma omp teams
212 #pragma omp distribute simd linear(e, g)
213   for (int k = 0; k < argc; ++k) ++k;
214 
215 #pragma omp target
216 #pragma omp teams
217 #pragma omp distribute simd linear(h) // expected-error {{threadprivate or thread local variable cannot be linear}}
218   for (int k = 0; k < argc; ++k) ++k;
219 
220 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
221 #pragma omp target
222 #pragma omp teams
223 #pragma omp distribute simd linear(i)
224   for (int k = 0; k < argc; ++k) ++k;
225 
226   return 0;
227 }
228 
229 namespace A {
230 double x;
231 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
232 }
233 namespace C {
234 using A::x;
235 }
236 
main(int argc,char ** argv)237 int main(int argc, char **argv) {
238   double darr[100];
239   // expected-note@+1 {{in instantiation of function template specialization 'test_template<-4, double, int>' requested here}}
240   test_template<-4>(darr, 4);
241   // expected-note@+1 {{in instantiation of function template specialization 'test_warn<0>' requested here}}
242   test_warn<0>();
243 
244   S4 e(4); // expected-note {{'e' defined here}}
245   S5 g(5); // expected-note {{'g' defined here}}
246   int i;
247   int &j = i;
248 
249 #pragma omp target
250 #pragma omp teams
251 #pragma omp distribute simd linear // expected-error {{expected '(' after 'linear'}}
252   for (int k = 0; k < argc; ++k) ++k;
253 
254 #pragma omp target
255 #pragma omp teams
256 #pragma omp distribute simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
257   for (int k = 0; k < argc; ++k) ++k;
258 
259 #pragma omp target
260 #pragma omp teams
261 #pragma omp distribute simd linear () // expected-error {{expected expression}}
262   for (int k = 0; k < argc; ++k) ++k;
263 
264 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
265 #pragma omp target
266 #pragma omp teams
267 #pragma omp distribute simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
268   for (int k = 0; k < argc; ++k) ++k;
269 
270 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
271 #pragma omp target
272 #pragma omp teams
273 #pragma omp distribute simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
274   for (int k = 0; k < argc; ++k) ++k;
275 
276 #pragma omp target
277 #pragma omp teams
278 #pragma omp distribute simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
279   for (int k = 0; k < argc; ++k) ++k;
280 
281 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
282 #pragma omp target
283 #pragma omp teams
284 #pragma omp distribute simd linear (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 '('}}
285   for (int k = 0; k < argc; ++k) ++k;
286 
287 #pragma omp target
288 #pragma omp teams
289 #pragma omp distribute simd linear (S1) // expected-error {{'S1' does not refer to a value}}
290   for (int k = 0; k < argc; ++k) ++k;
291 
292 
293 #pragma omp target
294 #pragma omp teams
295 #pragma omp distribute simd linear (a, b) // expected-error {{linear variable with incomplete type 'S1'}} expected-error {{argument of a linear clause should be of integral or pointer type, not 'S2'}} expected-error {{incomplete type 'S1' where a complete type is required}}
296   for (int k = 0; k < argc; ++k) ++k;
297 
298 #pragma omp target
299 #pragma omp teams
300 #pragma omp distribute simd linear (argv[1]) // expected-error {{expected variable name}}
301   for (int k = 0; k < argc; ++k) ++k;
302 
303 #pragma omp target
304 #pragma omp teams
305 #pragma omp distribute simd linear(e, g) // expected-error {{argument of a linear clause should be of integral or pointer type, not 'S4'}} expected-error {{argument of a linear clause should be of integral or pointer type, not 'S5'}}
306   for (int k = 0; k < argc; ++k) ++k;
307 
308 #pragma omp target
309 #pragma omp teams
310 #pragma omp distribute simd linear(h, C::x) // expected-error 2 {{threadprivate or thread local variable cannot be linear}}
311   for (int k = 0; k < argc; ++k) ++k;
312 
313   #pragma omp parallel
314   {
315     int k;
316     #pragma omp target
317     #pragma omp teams
318     #pragma omp distribute simd linear(k)
319       for (k = 0; k < argc; ++k) ++k;
320 
321     #pragma omp target
322     #pragma omp teams
323     #pragma omp distribute simd linear(k : 4)
324       for (k = 0; k < argc; k+=4) { }
325   }
326 
327   foomain<int,char>(argc,argv); // expected-note {{in instantiation of function template specialization 'foomain<int, char>' requested here}}
328   return 0;
329 }
330 
331