1 // RUN: %clang_cc1 -verify -fopenmp %s -Wno-openmp-target -Wuninitialized
2 
3 // RUN: %clang_cc1 -verify -fopenmp-simd %s -Wno-openmp-target -Wuninitialized
4 
5 extern int omp_default_mem_alloc;
6 namespace X {
7   int x;
8 };
9 
10 struct B {
11   static int ib; // expected-note {{'B::ib' declared here}}
12   static int bfoo() { return 8; }
13 };
14 
15 int bfoo() { return 4; }
16 
17 int z;
18 const int C1 = 1;
19 const int C2 = 2;
20 void test_linear_colons()
21 {
22   int B = 0;
23 
24 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
25 #pragma omp target
26 #pragma omp teams
27 #pragma omp distribute parallel for simd linear(B:bfoo())
28   for (int i = 0; i < 10; ++i) ;
29 
30 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
31 #pragma omp target
32 #pragma omp teams
33 #pragma omp distribute parallel for simd linear(B::ib:B:bfoo()) // expected-error {{unexpected ':' in nested name specifier; did you mean '::'}}
34   for (int i = 0; i < 10; ++i) ;
35 
36 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
37 #pragma omp target
38 #pragma omp teams
39 #pragma omp distribute parallel for simd linear(B:ib) // expected-error {{use of undeclared identifier 'ib'; did you mean 'B::ib'}}
40   for (int i = 0; i < 10; ++i) ;
41 
42 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
43 #pragma omp target
44 #pragma omp teams
45 #pragma omp distribute parallel for simd linear(z:B:ib) // expected-error {{unexpected ':' in nested name specifier; did you mean '::'?}}
46   for (int i = 0; i < 10; ++i) ;
47 
48 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
49 #pragma omp target
50 #pragma omp teams
51 #pragma omp distribute parallel for simd linear(B:B::bfoo())
52   for (int i = 0; i < 10; ++i) ;
53 
54 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
55 #pragma omp target
56 #pragma omp teams
57 #pragma omp distribute parallel for simd linear(X::x : ::z)
58   for (int i = 0; i < 10; ++i) ;
59 
60 // expected-error@+3 3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
61 #pragma omp target
62 #pragma omp teams
63 #pragma omp distribute parallel for simd linear(B,::z, X::x)
64   for (int i = 0; i < 10; ++i) ;
65 
66 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
67 #pragma omp target
68 #pragma omp teams
69 #pragma omp distribute parallel for simd linear(::z)
70   for (int i = 0; i < 10; ++i) ;
71 
72 #pragma omp target
73 #pragma omp teams
74 #pragma omp distribute parallel for simd linear(B::bfoo()) // expected-error {{expected variable name}}
75   for (int i = 0; i < 10; ++i) ;
76 
77 // expected-error@+3 2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
78 #pragma omp target
79 #pragma omp teams
80 #pragma omp distribute parallel for simd linear(B::ib,B:C1+C2)
81   for (int i = 0; i < 10; ++i) ;
82 }
83 
84 template<int L, class T, class N> T test_template(T* arr, N num) {
85   N i;
86   T sum = (T)0;
87   T ind2 = - num * L; // expected-note {{'ind2' defined here}}
88 
89 #pragma omp target
90 #pragma omp teams
91 #pragma omp distribute parallel for simd linear(ind2:L) // expected-error {{argument of a linear clause should be of integral or pointer type}}
92   for (i = 0; i < num; ++i) {
93     T cur = arr[(int)ind2];
94     ind2 += L;
95     sum += cur;
96   }
97   return T();
98 }
99 
100 template<int LEN> int test_warn() {
101   int ind2 = 0;
102   #pragma omp target
103   #pragma omp teams
104   #pragma omp parallel for simd linear(ind2:LEN) // expected-warning {{zero linear step (ind2 should probably be const)}}
105   for (int i = 0; i < 100; i++) {
106     ind2 += LEN;
107   }
108   return ind2;
109 }
110 
111 struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
112 extern S1 a;
113 class S2 {
114   mutable int a;
115 public:
116   S2():a(0) { }
117 };
118 const S2 b; // expected-note 2 {{'b' defined here}}
119 const S2 ba[5];
120 class S3 {
121   int a;
122 public:
123   S3():a(0) { }
124 };
125 const S3 ca[5];
126 class S4 {
127   int a;
128   S4();
129 public:
130   S4(int v):a(v) { }
131 };
132 class S5 {
133   int a;
134   S5():a(0) {}
135 public:
136   S5(int v):a(v) { }
137 };
138 
139 S3 h;
140 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
141 
142 template<class I, class C> int foomain(I argc, C **argv) {
143   I e(4);
144   I g(5);
145   int i;
146   int &j = i;
147 
148 #pragma omp target
149 #pragma omp teams
150 #pragma omp distribute parallel for simd linear // expected-error {{expected '(' after 'linear'}}
151   for (int k = 0; k < argc; ++k) ++k;
152 
153 #pragma omp target
154 #pragma omp teams
155 #pragma omp distribute parallel for simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
156   for (int k = 0; k < argc; ++k) ++k;
157 
158 #pragma omp target
159 #pragma omp teams
160 #pragma omp distribute parallel for simd linear () // expected-error {{expected expression}}
161   for (int k = 0; k < argc; ++k) ++k;
162 
163 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
164 #pragma omp target
165 #pragma omp teams
166 #pragma omp distribute parallel for simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
167   for (int k = 0; k < argc; ++k) ++k;
168 
169 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
170 #pragma omp target
171 #pragma omp teams
172 #pragma omp distribute parallel for simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
173   for (int k = 0; k < argc; ++k) ++k;
174 
175 #pragma omp target
176 #pragma omp teams
177 #pragma omp distribute parallel for simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
178   for (int k = 0; k < argc; ++k) ++k;
179 
180 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
181 #pragma omp target
182 #pragma omp teams
183 #pragma omp distribute parallel for simd linear (argc : 5)
184   for (int k = 0; k < argc; ++k) ++k;
185 
186 #pragma omp target
187 #pragma omp teams
188 #pragma omp distribute parallel for simd linear (S1) // expected-error {{'S1' does not refer to a value}}
189   for (int k = 0; k < argc; ++k) ++k;
190 
191 #pragma omp target
192 #pragma omp teams
193 #pragma omp distribute parallel for 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'}}
194   for (int k = 0; k < argc; ++k) ++k;
195 
196 #pragma omp target
197 #pragma omp teams
198 #pragma omp distribute parallel for simd linear (argv[1]) // expected-error {{expected variable name}}
199   for (int k = 0; k < argc; ++k) ++k;
200 
201 // expected-error@+3 2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
202 #pragma omp target
203 #pragma omp teams
204 #pragma omp distribute parallel for simd linear(e, g)
205   for (int k = 0; k < argc; ++k) ++k;
206 
207 #pragma omp target
208 #pragma omp teams
209 #pragma omp distribute parallel for simd linear(h) // expected-error {{threadprivate or thread local variable cannot be linear}}
210   for (int k = 0; k < argc; ++k) ++k;
211 
212 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
213 #pragma omp target
214 #pragma omp teams
215 #pragma omp distribute parallel for simd linear(i)
216   for (int k = 0; k < argc; ++k) ++k;
217 
218   #pragma omp parallel
219   {
220     int v = 0;
221     int i;
222     int k;
223     #pragma omp target
224     #pragma omp teams
225     #pragma omp distribute parallel for simd linear(k:i)
226     for (k = 0; k < argc; ++k) { i = k; v += i; }
227   }
228 
229   return 0;
230 }
231 
232 namespace A {
233 double x;
234 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
235 }
236 namespace C {
237 using A::x;
238 }
239 
240 int main(int argc, char **argv) {
241   double darr[100];
242   // expected-note@+1 {{in instantiation of function template specialization 'test_template<-4, double, int>' requested here}}
243   test_template<-4>(darr, 4);
244   // expected-note@+1 {{in instantiation of function template specialization 'test_warn<0>' requested here}}
245   test_warn<0>();
246 
247   S4 e(4); // expected-note {{'e' defined here}}
248   S5 g(5); // expected-note {{'g' defined here}}
249   int i;
250   int &j = i;
251 
252 #pragma omp target
253 #pragma omp teams
254 #pragma omp distribute parallel for simd linear // expected-error {{expected '(' after 'linear'}}
255   for (int k = 0; k < argc; ++k) ++k;
256 
257 #pragma omp target
258 #pragma omp teams
259 #pragma omp distribute parallel for simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
260   for (int k = 0; k < argc; ++k) ++k;
261 
262 #pragma omp target
263 #pragma omp teams
264 #pragma omp distribute parallel for simd linear () // expected-error {{expected expression}}
265   for (int k = 0; k < argc; ++k) ++k;
266 
267 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
268 #pragma omp target
269 #pragma omp teams
270 #pragma omp distribute parallel for simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
271   for (int k = 0; k < argc; ++k) ++k;
272 
273 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
274 #pragma omp target
275 #pragma omp teams
276 #pragma omp distribute parallel for simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
277   for (int k = 0; k < argc; ++k) ++k;
278 
279 #pragma omp target
280 #pragma omp teams
281 #pragma omp distribute parallel for simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
282   for (int k = 0; k < argc; ++k) ++k;
283 
284 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
285 #pragma omp target
286 #pragma omp teams
287 #pragma omp distribute parallel for 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 '('}}
288   for (int k = 0; k < argc; ++k) ++k;
289 
290 #pragma omp target
291 #pragma omp teams
292 #pragma omp distribute parallel for simd linear (S1) // expected-error {{'S1' does not refer to a value}}
293   for (int k = 0; k < argc; ++k) ++k;
294 
295 
296 #pragma omp target
297 #pragma omp teams
298 #pragma omp distribute parallel for 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}}
299   for (int k = 0; k < argc; ++k) ++k;
300 
301 #pragma omp target
302 #pragma omp teams
303 #pragma omp distribute parallel for simd linear (argv[1]) // expected-error {{expected variable name}}
304   for (int k = 0; k < argc; ++k) ++k;
305 
306 #pragma omp target
307 #pragma omp teams
308 #pragma omp distribute parallel for 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'}}
309   for (int k = 0; k < argc; ++k) ++k;
310 
311 #pragma omp target
312 #pragma omp teams
313 #pragma omp distribute parallel for simd linear(h, C::x) // expected-error 2 {{threadprivate or thread local variable cannot be linear}}
314   for (int k = 0; k < argc; ++k) ++k;
315 
316   #pragma omp parallel
317   {
318     int i;
319     #pragma omp target
320     #pragma omp teams
321     #pragma omp distribute parallel for simd linear(i)
322       for (i = 0; i < argc; ++i) ++i;
323 
324     #pragma omp target
325     #pragma omp teams
326     #pragma omp distribute parallel for simd linear(i : 4)
327       for (i = 0; i < argc; ++i) { ++i; i += 4; }
328   }
329 
330   foomain<int,char>(argc,argv); // expected-note {{in instantiation of function template specialization 'foomain<int, char>' requested here}}
331   return 0;
332 }
333 
334