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  #pragma omp taskloop simd linear(B:bfoo())
21  for (int i = 0; i < 10; ++i) ;
22  // expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'}}
23  #pragma omp taskloop simd linear(B::ib:B:bfoo())
24  for (int i = 0; i < 10; ++i) ;
25  // expected-error@+1 {{use of undeclared identifier 'ib'; did you mean 'B::ib'}}
26  #pragma omp taskloop simd linear(B:ib)
27  for (int i = 0; i < 10; ++i) ;
28  // expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'?}}
29  #pragma omp taskloop simd linear(z:B:ib)
30  for (int i = 0; i < 10; ++i) ;
31  #pragma omp taskloop simd linear(B:B::bfoo())
32  for (int i = 0; i < 10; ++i) ;
33  #pragma omp taskloop simd linear(X::x : ::z)
34  for (int i = 0; i < 10; ++i) ;
35  #pragma omp taskloop simd linear(B,::z, X::x)
36  for (int i = 0; i < 10; ++i) ;
37  #pragma omp taskloop simd linear(::z)
38  for (int i = 0; i < 10; ++i) ;
39  // expected-error@+1 {{expected variable name}}
40  #pragma omp taskloop simd linear(B::bfoo())
41  for (int i = 0; i < 10; ++i) ;
42  #pragma omp taskloop simd linear(B::ib,B:C1+C2)
43  for (int i = 0; i < 10; ++i) ;
44}
45
46template<int L, class T, class N> T test_template(T* arr, N num) {
47  N i;
48  T sum = (T)0;
49  T ind2 = - num * L; // expected-note {{'ind2' defined here}}
50  // expected-error@+1 {{argument of a linear clause should be of integral or pointer type}}
51#pragma omp taskloop simd linear(ind2:L)
52  for (i = 0; i < num; ++i) {
53    T cur = arr[(int)ind2];
54    ind2 += L;
55    sum += cur;
56  }
57  return T();
58}
59
60template<int LEN> int test_warn() {
61  int ind2 = 0;
62  // expected-warning@+1 {{zero linear step (ind2 should probably be const)}}
63  #pragma omp taskloop simd linear(ind2:LEN)
64  for (int i = 0; i < 100; i++) {
65    ind2 += LEN;
66  }
67  return ind2;
68}
69
70struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
71extern S1 a;
72class S2 {
73  mutable int a;
74public:
75  S2():a(0) { }
76};
77const S2 b; // expected-note 2 {{'b' defined here}}
78const S2 ba[5];
79class S3 {
80  int a;
81public:
82  S3():a(0) { }
83};
84const S3 ca[5];
85class S4 {
86  int a;
87  S4();
88public:
89  S4(int v):a(v) { }
90};
91class S5 {
92  int a;
93  S5():a(0) {}
94public:
95  S5(int v):a(v) { }
96};
97
98S3 h;
99#pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
100
101template<class I, class C> int foomain(I argc, C **argv) {
102  I e(4);
103  I g(5);
104  int i;
105  int &j = i;
106  #pragma omp taskloop simd linear // expected-error {{expected '(' after 'linear'}}
107  for (int k = 0; k < argc; ++k) ++k;
108  #pragma omp taskloop simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
109  for (int k = 0; k < argc; ++k) ++k;
110  #pragma omp taskloop simd linear (val // expected-error {{use of undeclared identifier 'val'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
111  for (int k = 0; k < argc; ++k) ++k;
112  #pragma omp taskloop simd linear (uval( // expected-error {{expected expression}} expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}}
113  for (int k = 0; k < argc; ++k) ++k;
114  #pragma omp taskloop simd linear (ref() // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
115  for (int k = 0; k < argc; ++k) ++k;
116  #pragma omp taskloop simd linear (foo() // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
117  for (int k = 0; k < argc; ++k) ++k;
118  #pragma omp taskloop simd linear () // expected-error {{expected expression}}
119  for (int k = 0; k < argc; ++k) ++k;
120  #pragma omp taskloop simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
121  for (int k = 0; k < argc; ++k) ++k;
122  #pragma omp taskloop simd linear (val argc // expected-error {{use of undeclared identifier 'val'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
123  for (int k = 0; k < argc; ++k) ++k;
124  #pragma omp taskloop simd linear (val(argc, // expected-error {{expected expression}} expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}}
125  for (int k = 0; k < argc; ++k) ++k;
126  #pragma omp taskloop simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
127  for (int k = 0; k < argc; ++k) ++k;
128  #pragma omp taskloop simd linear (argc : 5)
129  for (int k = 0; k < argc; ++k) ++k;
130  #pragma omp taskloop simd linear (S1) // expected-error {{'S1' does not refer to a value}}
131  for (int k = 0; k < argc; ++k) ++k;
132  // expected-error@+2 {{linear variable with incomplete type 'S1'}}
133  // expected-error@+1 {{const-qualified variable cannot be linear}}
134  #pragma omp taskloop simd linear (val(a, b):B::ib)
135  for (int k = 0; k < argc; ++k) ++k;
136  #pragma omp taskloop simd linear (argv[1]) // expected-error {{expected variable name}}
137  for (int k = 0; k < argc; ++k) ++k;
138  #pragma omp taskloop simd linear(ref(e, g)) // expected-error 2 {{variable of non-reference type 'int' can be used only with 'val' modifier, but used with 'ref'}}
139  for (int k = 0; k < argc; ++k) ++k;
140  #pragma omp taskloop simd linear(h) // expected-error {{threadprivate or thread local variable cannot be linear}}
141  for (int k = 0; k < argc; ++k) ++k;
142  #pragma omp taskloop simd linear(uval(i)) // expected-error {{variable of non-reference type 'int' can be used only with 'val' modifier, but used with 'uval'}}
143  for (int k = 0; k < argc; ++k) ++k;
144  #pragma omp parallel
145  {
146    int v = 0;
147    int i;
148    #pragma omp taskloop simd linear(v:i)
149    for (int k = 0; k < argc; ++k) { i = k; v += i; }
150  }
151  #pragma omp taskloop simd linear(ref(j))
152  for (int k = 0; k < argc; ++k) ++k;
153  #pragma omp taskloop simd linear(uval(j))
154  for (int k = 0; k < argc; ++k) ++k;
155  int v = 0;
156  #pragma omp taskloop simd linear(v:j)
157  for (int k = 0; k < argc; ++k) { ++k; v += j; }
158  #pragma omp taskloop simd linear(i)
159  for (int k = 0; k < argc; ++k) ++k;
160  return 0;
161}
162
163namespace A {
164double x;
165#pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
166}
167namespace C {
168using A::x;
169}
170
171void linear_modifiers(int argc) {
172  int &f = argc;
173  #pragma omp taskloop simd linear(f)
174  for (int k = 0; k < argc; ++k) ++k;
175  #pragma omp taskloop simd linear(val(f))
176  for (int k = 0; k < argc; ++k) ++k;
177  #pragma omp taskloop simd linear(uval(f))
178  for (int k = 0; k < argc; ++k) ++k;
179  #pragma omp taskloop simd linear(ref(f))
180  for (int k = 0; k < argc; ++k) ++k;
181  #pragma omp taskloop simd linear(foo(f)) // expected-error {{expected one of 'ref', val' or 'uval' modifiers}}
182  for (int k = 0; k < argc; ++k) ++k;
183}
184
185int f;
186int main(int argc, char **argv) {
187  double darr[100];
188  // expected-note@+1 {{in instantiation of function template specialization 'test_template<-4, double, int>' requested here}}
189  test_template<-4>(darr, 4);
190  // expected-note@+1 {{in instantiation of function template specialization 'test_warn<0>' requested here}}
191  test_warn<0>();
192
193  S4 e(4); // expected-note {{'e' defined here}}
194  S5 g(5); // expected-note {{'g' defined here}}
195  int i;
196  int &j = i;
197  #pragma omp taskloop simd linear(f) linear(f) // expected-error {{linear variable cannot be linear}} expected-note {{defined as linear}}
198  for (int k = 0; k < argc; ++k) ++k;
199  #pragma omp taskloop simd linear // expected-error {{expected '(' after 'linear'}}
200  for (int k = 0; k < argc; ++k) ++k;
201  #pragma omp taskloop simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
202  for (int k = 0; k < argc; ++k) ++k;
203  #pragma omp taskloop simd linear () // expected-error {{expected expression}}
204  for (int k = 0; k < argc; ++k) ++k;
205  #pragma omp taskloop simd linear (val // expected-error {{use of undeclared identifier 'val'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
206  for (int k = 0; k < argc; ++k) ++k;
207  #pragma omp taskloop simd linear (ref()) // expected-error {{expected expression}}
208  for (int k = 0; k < argc; ++k) ++k;
209  #pragma omp taskloop simd linear (foo()) // expected-error {{expected expression}}
210  for (int k = 0; k < argc; ++k) ++k;
211  #pragma omp taskloop simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
212  for (int k = 0; k < argc; ++k) ++k;
213  #pragma omp taskloop simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
214  for (int k = 0; k < argc; ++k) ++k;
215  #pragma omp taskloop simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
216  for (int k = 0; k < argc; ++k) ++k;
217  #pragma omp taskloop simd linear (argc)
218  for (int k = 0; k < argc; ++k) ++k;
219  #pragma omp taskloop simd linear (S1) // expected-error {{'S1' does not refer to a value}}
220  for (int k = 0; k < argc; ++k) ++k;
221  // expected-error@+2 {{linear variable with incomplete type 'S1'}}
222  // expected-error@+1 {{const-qualified variable cannot be linear}}
223  #pragma omp taskloop simd linear(a, b)
224  for (int k = 0; k < argc; ++k) ++k;
225  #pragma omp taskloop simd linear (argv[1]) // expected-error {{expected variable name}}
226  for (int k = 0; k < argc; ++k) ++k;
227  // expected-error@+2 {{argument of a linear clause should be of integral or pointer type, not 'S4'}}
228  // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S5'}}
229  #pragma omp taskloop simd linear(val(e, g))
230  for (int k = 0; k < argc; ++k) ++k;
231  #pragma omp taskloop simd linear(h, C::x) // expected-error 2 {{threadprivate or thread local variable cannot be linear}}
232  for (int k = 0; k < argc; ++k) ++k;
233  #pragma omp parallel
234  {
235    int i;
236    #pragma omp taskloop simd linear(val(i))
237    for (int k = 0; k < argc; ++k) ++k;
238    #pragma omp taskloop simd linear(uval(i) : 4) // expected-error {{variable of non-reference type 'int' can be used only with 'val' modifier, but used with 'uval'}}
239    for (int k = 0; k < argc; ++k) { ++k; i += 4; }
240  }
241  #pragma omp taskloop simd linear(ref(j))
242  for (int k = 0; k < argc; ++k) ++k;
243  #pragma omp taskloop simd linear(i)
244  for (int k = 0; k < argc; ++k) ++k;
245
246  foomain<int,char>(argc,argv); // expected-note {{in instantiation of function template specialization 'foomain<int, char>' requested here}}
247  return 0;
248}
249
250