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   #pragma omp 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 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 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 simd linear(z:B:ib)
30   for (int i = 0; i < 10; ++i) ;
31   #pragma omp simd linear(B:B::bfoo())
32   for (int i = 0; i < 10; ++i) ;
33   #pragma omp simd linear(X::x : ::z)
34   for (int i = 0; i < 10; ++i) ;
35   #pragma omp simd linear(B,::z, X::x)
36   for (int i = 0; i < 10; ++i) ;
37   #pragma omp simd linear(::z)
38   for (int i = 0; i < 10; ++i) ;
39   // expected-error@+1 {{expected variable name}}
40   #pragma omp simd linear(B::bfoo())
41   for (int i = 0; i < 10; ++i) ;
42   #pragma omp simd linear(B::ib,B:C1+C2)
43   for (int i = 0; i < 10; ++i) ;
44 }
45 
test_template(T * arr,N num)46 template<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 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 
test_warn()60 template<int LEN> int test_warn() {
61   int ind2 = 0;
62   // expected-warning@+1 {{zero linear step (ind2 should probably be const)}}
63   #pragma omp simd linear(ind2:LEN)
64   for (int i = 0; i < 100; i++) {
65     ind2 += LEN;
66   }
67   return ind2;
68 }
69 
70 struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
71 extern S1 a;
72 class S2 {
73   mutable int a;
74 public:
S2()75   S2():a(0) { }
76 };
77 const S2 b; // expected-note 2 {{'b' defined here}}
78 const S2 ba[5];
79 class S3 {
80   int a;
81 public:
S3()82   S3():a(0) { }
83 };
84 const S3 ca[5];
85 class S4 {
86   int a;
87   S4();
88 public:
S4(int v)89   S4(int v):a(v) { }
90 };
91 class S5 {
92   int a;
S5()93   S5():a(0) {}
94 public:
S5(int v)95   S5(int v):a(v) { }
96 };
97 
98 S3 h;
99 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
100 
foomain(I argc,C ** argv)101 template<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 simd linear // expected-error {{expected '(' after 'linear'}}
107   for (int k = 0; k < argc; ++k) ++k;
108   #pragma omp 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 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 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 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 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 simd linear () // expected-error {{expected expression}}
119   for (int k = 0; k < argc; ++k) ++k;
120   #pragma omp simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
121   for (int k = 0; k < argc; ++k) ++k;
122   #pragma omp 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 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 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 simd linear (argc : 5)
129   for (int k = 0; k < argc; ++k) ++k;
130   #pragma omp 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 simd linear (val(a, b):B::ib)
135   for (int k = 0; k < argc; ++k) ++k;
136   #pragma omp simd linear (argv[1]) // expected-error {{expected variable name}}
137   for (int k = 0; k < argc; ++k) ++k;
138   #pragma omp 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 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 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 simd linear(v:i)
149     for (int k = 0; k < argc; ++k) { i = k; v += i; }
150   }
151   #pragma omp simd linear(ref(j))
152   for (int k = 0; k < argc; ++k) ++k;
153   #pragma omp simd linear(uval(j))
154   for (int k = 0; k < argc; ++k) ++k;
155   int v = 0;
156   #pragma omp simd linear(v:j)
157   for (int k = 0; k < argc; ++k) { ++k; v += j; }
158   #pragma omp simd linear(i)
159   for (int k = 0; k < argc; ++k) ++k;
160   return 0;
161 }
162 
163 namespace A {
164 double x;
165 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
166 }
167 namespace C {
168 using A::x;
169 }
170 
linear_modifiers(int argc)171 void linear_modifiers(int argc) {
172   int &f = argc;
173   #pragma omp simd linear(f)
174   for (int k = 0; k < argc; ++k) ++k;
175   #pragma omp simd linear(val(f))
176   for (int k = 0; k < argc; ++k) ++k;
177   #pragma omp simd linear(uval(f))
178   for (int k = 0; k < argc; ++k) ++k;
179   #pragma omp simd linear(ref(f))
180   for (int k = 0; k < argc; ++k) ++k;
181   #pragma omp 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 
185 int f;
main(int argc,char ** argv)186 int 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 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 simd linear // expected-error {{expected '(' after 'linear'}}
200   for (int k = 0; k < argc; ++k) ++k;
201   #pragma omp 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 simd linear () // expected-error {{expected expression}}
204   for (int k = 0; k < argc; ++k) ++k;
205   #pragma omp 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 simd linear (ref()) // expected-error {{expected expression}}
208   for (int k = 0; k < argc; ++k) ++k;
209   #pragma omp simd linear (foo()) // expected-error {{expected expression}}
210   for (int k = 0; k < argc; ++k) ++k;
211   #pragma omp simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
212   for (int k = 0; k < argc; ++k) ++k;
213   #pragma omp 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 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 simd linear (argc)
218   for (int k = 0; k < argc; ++k) ++k;
219   #pragma omp 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 simd linear(a, b)
224   for (int k = 0; k < argc; ++k) ++k;
225   #pragma omp 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 simd linear(val(e, g))
230   for (int k = 0; k < argc; ++k) ++k;
231   #pragma omp 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 simd linear(val(i))
237     for (int k = 0; k < argc; ++k) ++k;
238     #pragma omp 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 simd linear(ref(j))
242   for (int k = 0; k < argc; ++k) ++k;
243   #pragma omp 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