1// RUN: %clang_cc1 -verify -fopenmp %s
2
3namespace X {
4  int x;
5};
6
7struct B {
8  static int ib; // expected-note {{'B::ib' declared here}}
9  static int bfoo() { return 8; }
10};
11
12int bfoo() { return 4; }
13
14int z;
15const int C1 = 1;
16const int C2 = 2;
17void 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
72template<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
88template<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
99struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
100extern S1 a;
101class S2 {
102  mutable int a;
103public:
104  S2():a(0) { }
105};
106const S2 b; // expected-note 2 {{'b' defined here}}
107const S2 ba[5];
108class S3 {
109  int a;
110public:
111  S3():a(0) { }
112};
113const S3 ca[5];
114class S4 {
115  int a;
116  S4();
117public:
118  S4(int v):a(v) { }
119};
120class S5 {
121  int a;
122  S5():a(0) {}
123public:
124  S5(int v):a(v) { }
125};
126
127S3 h;
128#pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
129
130template<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
230namespace A {
231double x;
232#pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
233}
234namespace C {
235using A::x;
236}
237
238int 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