1 // RUN: %clang_cc1 -verify -fopenmp %s
2 
3 namespace X {
4   int x;
5 };
6 
7 struct B {
8   static int ib; // expected-note {{'B::ib' declared here}}
bfooB9   static int bfoo() { return 8; }
10 };
11 
bfoo()12 int bfoo() { return 4; }
13 
14 int z;
15 const int C1 = 1;
16 const int C2 = 2;
test_linear_colons()17 void test_linear_colons()
18 {
19   int B = 0;
20 
21 #pragma omp target
22 #pragma omp teams
23 #pragma omp distribute simd linear(B:bfoo())
24   for (int i = 0; i < 10; ++i) ;
25 
26 #pragma omp target
27 #pragma omp teams
28 #pragma omp distribute simd linear(B::ib:B:bfoo()) // expected-error {{unexpected ':' in nested name specifier; did you mean '::'}}
29   for (int i = 0; i < 10; ++i) ;
30 
31 #pragma omp target
32 #pragma omp teams
33 #pragma omp distribute simd linear(B:ib) // expected-error {{use of undeclared identifier 'ib'; did you mean 'B::ib'}}
34   for (int i = 0; i < 10; ++i) ;
35 
36 #pragma omp target
37 #pragma omp teams
38 #pragma omp distribute simd linear(z:B:ib) // expected-error {{unexpected ':' in nested name specifier; did you mean '::'?}}
39   for (int i = 0; i < 10; ++i) ;
40 
41 #pragma omp target
42 #pragma omp teams
43 #pragma omp distribute simd linear(B:B::bfoo())
44   for (int i = 0; i < 10; ++i) ;
45 
46 #pragma omp target
47 #pragma omp teams
48 #pragma omp distribute simd linear(X::x : ::z)
49   for (int i = 0; i < 10; ++i) ;
50 
51 #pragma omp target
52 #pragma omp teams
53 #pragma omp distribute simd linear(B,::z, X::x)
54   for (int i = 0; i < 10; ++i) ;
55 
56 #pragma omp target
57 #pragma omp teams
58 #pragma omp distribute simd linear(::z)
59   for (int i = 0; i < 10; ++i) ;
60 
61 #pragma omp target
62 #pragma omp teams
63 #pragma omp distribute simd linear(B::bfoo()) // expected-error {{expected variable name}}
64   for (int i = 0; i < 10; ++i) ;
65 
66 #pragma omp target
67 #pragma omp teams
68 #pragma omp distribute simd linear(B::ib,B:C1+C2)
69   for (int i = 0; i < 10; ++i) ;
70 }
71 
test_template(T * arr,N num)72 template<int L, class T, class N> T test_template(T* arr, N num) {
73   N i;
74   T sum = (T)0;
75   T ind2 = - num * L; // expected-note {{'ind2' defined here}}
76 
77 #pragma omp target
78 #pragma omp teams
79 #pragma omp distribute simd linear(ind2:L) // expected-error {{argument of a linear clause should be of integral or pointer type}}
80   for (i = 0; i < num; ++i) {
81     T cur = arr[(int)ind2];
82     ind2 += L;
83     sum += cur;
84   }
85   return T();
86 }
87 
test_warn()88 template<int LEN> int test_warn() {
89   int ind2 = 0;
90   #pragma omp target
91   #pragma omp teams
92   #pragma omp parallel for simd linear(ind2:LEN) // expected-warning {{zero linear step (ind2 should probably be const)}}
93   for (int i = 0; i < 100; i++) {
94     ind2 += LEN;
95   }
96   return ind2;
97 }
98 
99 struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
100 extern S1 a;
101 class S2 {
102   mutable int a;
103 public:
S2()104   S2():a(0) { }
105 };
106 const S2 b; // expected-note 2 {{'b' defined here}}
107 const S2 ba[5];
108 class S3 {
109   int a;
110 public:
S3()111   S3():a(0) { }
112 };
113 const S3 ca[5];
114 class S4 {
115   int a;
116   S4();
117 public:
S4(int v)118   S4(int v):a(v) { }
119 };
120 class S5 {
121   int a;
S5()122   S5():a(0) {}
123 public:
S5(int v)124   S5(int v):a(v) { }
125 };
126 
127 S3 h;
128 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
129 
foomain(I argc,C ** argv)130 template<class I, class C> int foomain(I argc, C **argv) {
131   I e(4);
132   I g(5);
133   int i;
134   int &j = i;
135 
136 #pragma omp target
137 #pragma omp teams
138 #pragma omp distribute simd linear // expected-error {{expected '(' after 'linear'}}
139   for (int k = 0; k < argc; ++k) ++k;
140 
141 #pragma omp target
142 #pragma omp teams
143 #pragma omp distribute simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
144   for (int k = 0; k < argc; ++k) ++k;
145 
146 #pragma omp target
147 #pragma omp teams
148 #pragma omp distribute simd linear () // expected-error {{expected expression}}
149   for (int k = 0; k < argc; ++k) ++k;
150 
151 #pragma omp target
152 #pragma omp teams
153 #pragma omp distribute simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
154   for (int k = 0; k < argc; ++k) ++k;
155 
156 #pragma omp target
157 #pragma omp teams
158 #pragma omp distribute simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
159   for (int k = 0; k < argc; ++k) ++k;
160 
161 #pragma omp target
162 #pragma omp teams
163 #pragma omp distribute simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
164   for (int k = 0; k < argc; ++k) ++k;
165 
166 #pragma omp target
167 #pragma omp teams
168 #pragma omp distribute simd linear (argc : 5)
169   for (int k = 0; k < argc; ++k) ++k;
170 
171 #pragma omp target
172 #pragma omp teams
173 #pragma omp distribute simd linear (S1) // expected-error {{'S1' does not refer to a value}}
174   for (int k = 0; k < argc; ++k) ++k;
175 
176 #pragma omp target
177 #pragma omp teams
178 #pragma omp distribute simd linear (a, b:B::ib) // expected-error {{linear variable with incomplete type 'S1'}} expected-error {{const-qualified variable cannot be linear}}
179   for (int k = 0; k < argc; ++k) ++k;
180 
181 #pragma omp target
182 #pragma omp teams
183 #pragma omp distribute simd linear (argv[1]) // expected-error {{expected variable name}}
184   for (int k = 0; k < argc; ++k) ++k;
185 
186 #pragma omp target
187 #pragma omp teams
188 #pragma omp distribute simd linear(e, g)
189   for (int k = 0; k < argc; ++k) ++k;
190 
191 #pragma omp target
192 #pragma omp teams
193 #pragma omp distribute simd linear(h) // expected-error {{threadprivate or thread local variable cannot be linear}}
194   for (int k = 0; k < argc; ++k) ++k;
195 
196 #pragma omp target
197 #pragma omp teams
198 #pragma omp distribute simd linear(i)
199   for (int k = 0; k < argc; ++k) ++k;
200 
201   #pragma omp parallel
202   {
203     int v = 0;
204     int i;
205     #pragma omp target
206     #pragma omp teams
207     #pragma omp distribute simd linear(v:i)
208     for (int k = 0; k < argc; ++k) { i = k; v += i; }
209   }
210 
211 #pragma omp target
212 #pragma omp teams
213 #pragma omp parallel for simd linear(j)
214   for (int k = 0; k < argc; ++k) ++k;
215 
216   int v = 0;
217 
218 #pragma omp target
219 #pragma omp teams
220 #pragma omp distribute simd linear(v:j)
221   for (int k = 0; k < argc; ++k) { ++k; v += j; }
222 
223 #pragma omp target
224 #pragma omp teams
225 #pragma omp distribute simd linear(i)
226   for (int k = 0; k < argc; ++k) ++k;
227   return 0;
228 }
229 
230 namespace A {
231 double x;
232 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
233 }
234 namespace C {
235 using A::x;
236 }
237 
main(int argc,char ** argv)238 int main(int argc, char **argv) {
239   double darr[100];
240   // expected-note@+1 {{in instantiation of function template specialization 'test_template<-4, double, int>' requested here}}
241   test_template<-4>(darr, 4);
242   // expected-note@+1 {{in instantiation of function template specialization 'test_warn<0>' requested here}}
243   test_warn<0>();
244 
245   S4 e(4); // expected-note {{'e' defined here}}
246   S5 g(5); // expected-note {{'g' defined here}}
247   int i;
248   int &j = i;
249 
250 #pragma omp target
251 #pragma omp teams
252 #pragma omp distribute simd linear // expected-error {{expected '(' after 'linear'}}
253   for (int k = 0; k < argc; ++k) ++k;
254 
255 #pragma omp target
256 #pragma omp teams
257 #pragma omp distribute simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
258   for (int k = 0; k < argc; ++k) ++k;
259 
260 #pragma omp target
261 #pragma omp teams
262 #pragma omp distribute simd linear () // expected-error {{expected expression}}
263   for (int k = 0; k < argc; ++k) ++k;
264 
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 #pragma omp target
271 #pragma omp teams
272 #pragma omp distribute simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
273   for (int k = 0; k < argc; ++k) ++k;
274 
275 #pragma omp target
276 #pragma omp teams
277 #pragma omp distribute simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
278   for (int k = 0; k < argc; ++k) ++k;
279 
280 #pragma omp target
281 #pragma omp teams
282 #pragma omp distribute simd linear (argc)
283   for (int k = 0; k < argc; ++k) ++k;
284 
285 #pragma omp target
286 #pragma omp teams
287 #pragma omp distribute simd linear (S1) // expected-error {{'S1' does not refer to a value}}
288   for (int k = 0; k < argc; ++k) ++k;
289 
290 
291 #pragma omp target
292 #pragma omp teams
293 #pragma omp distribute simd linear (a, b) // expected-error {{linear variable with incomplete type 'S1'}} expected-error {{const-qualified variable cannot be linear}}
294   for (int k = 0; k < argc; ++k) ++k;
295 
296 #pragma omp target
297 #pragma omp teams
298 #pragma omp distribute simd linear (argv[1]) // expected-error {{expected variable name}}
299   for (int k = 0; k < argc; ++k) ++k;
300 
301 #pragma omp target
302 #pragma omp teams
303 #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'}}
304   for (int k = 0; k < argc; ++k) ++k;
305 
306 #pragma omp target
307 #pragma omp teams
308 #pragma omp distribute simd linear(h, C::x) // expected-error 2 {{threadprivate or thread local variable cannot be linear}}
309   for (int k = 0; k < argc; ++k) ++k;
310 
311   #pragma omp parallel
312   {
313     int i;
314     #pragma omp target
315     #pragma omp teams
316     #pragma omp distribute simd linear(i)
317       for (int k = 0; k < argc; ++k) ++k;
318 
319     #pragma omp target
320     #pragma omp teams
321     #pragma omp distribute simd linear(i : 4)
322       for (int k = 0; k < argc; ++k) { ++k; i += 4; }
323   }
324 
325 #pragma omp target
326 #pragma omp teams
327 #pragma omp distribute simd linear(j)
328   for (int k = 0; k < argc; ++k) ++k;
329 
330 #pragma omp target
331 #pragma omp teams
332 #pragma omp distribute simd linear(i)
333   for (int k = 0; k < argc; ++k) ++k;
334 
335   foomain<int,char>(argc,argv); // expected-note {{in instantiation of function template specialization 'foomain<int, char>' requested here}}
336   return 0;
337 }
338 
339