1 // RUN: %clang_cc1 -verify -fopenmp %s
2 
3 // RUN: %clang_cc1 -verify -fopenmp-simd %s
4 
5 namespace X {
6   int x;
7 };
8 
9 struct B {
10   static int ib; // expected-note {{'B::ib' declared here}}
11   static int bfoo() { return 8; }
12 };
13 
14 int bfoo() { return 4; }
15 
16 int z;
17 const int C1 = 1;
18 const int C2 = 2;
19 void test_linear_colons()
20 {
21   int B = 0;
22   #pragma omp taskloop simd linear(B:bfoo())
23   for (int i = 0; i < 10; ++i) ;
24   // expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'}}
25   #pragma omp taskloop simd linear(B::ib:B:bfoo())
26   for (int i = 0; i < 10; ++i) ;
27   // expected-error@+1 {{use of undeclared identifier 'ib'; did you mean 'B::ib'}}
28   #pragma omp taskloop simd linear(B:ib)
29   for (int i = 0; i < 10; ++i) ;
30   // expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'?}}
31   #pragma omp taskloop simd linear(z:B:ib)
32   for (int i = 0; i < 10; ++i) ;
33   #pragma omp taskloop simd linear(B:B::bfoo())
34   for (int i = 0; i < 10; ++i) ;
35   #pragma omp taskloop simd linear(X::x : ::z)
36   for (int i = 0; i < 10; ++i) ;
37   #pragma omp taskloop simd linear(B,::z, X::x)
38   for (int i = 0; i < 10; ++i) ;
39   #pragma omp taskloop simd linear(::z)
40   for (int i = 0; i < 10; ++i) ;
41   // expected-error@+1 {{expected variable name}}
42   #pragma omp taskloop simd linear(B::bfoo())
43   for (int i = 0; i < 10; ++i) ;
44   #pragma omp taskloop simd linear(B::ib,B:C1+C2)
45   for (int i = 0; i < 10; ++i) ;
46 }
47 
48 template<int L, class T, class N> T test_template(T* arr, N num) {
49   N i;
50   T sum = (T)0;
51   T ind2 = - num * L; // expected-note {{'ind2' defined here}}
52   // expected-error@+1 {{argument of a linear clause should be of integral or pointer type}}
53 #pragma omp taskloop simd linear(ind2:L)
54   for (i = 0; i < num; ++i) {
55     T cur = arr[(int)ind2];
56     ind2 += L;
57     sum += cur;
58   }
59   return T();
60 }
61 
62 template<int LEN> int test_warn() {
63   int ind2 = 0;
64   // expected-warning@+1 {{zero linear step (ind2 should probably be const)}}
65   #pragma omp taskloop simd linear(ind2:LEN)
66   for (int i = 0; i < 100; i++) {
67     ind2 += LEN;
68   }
69   return ind2;
70 }
71 
72 struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
73 extern S1 a;
74 class S2 {
75   mutable int a;
76 public:
77   S2():a(0) { }
78 };
79 const S2 b; // expected-note 2 {{'b' defined here}}
80 const S2 ba[5];
81 class S3 {
82   int a;
83 public:
84   S3():a(0) { }
85 };
86 const S3 ca[5];
87 class S4 {
88   int a;
89   S4();
90 public:
91   S4(int v):a(v) { }
92 };
93 class S5 {
94   int a;
95   S5():a(0) {}
96 public:
97   S5(int v):a(v) { }
98 };
99 
100 S3 h;
101 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
102 
103 template<class I, class C> int foomain(I argc, C **argv) {
104   I e(4);
105   I g(5);
106   int i;
107   int &j = i;
108   #pragma omp taskloop simd linear // expected-error {{expected '(' after 'linear'}}
109   for (int k = 0; k < argc; ++k) ++k;
110   #pragma omp taskloop simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
111   for (int k = 0; k < argc; ++k) ++k;
112   #pragma omp taskloop simd linear (val // expected-error {{use of undeclared identifier 'val'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
113   for (int k = 0; k < argc; ++k) ++k;
114   #pragma omp taskloop simd linear (uval( // expected-error {{expected expression}} expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}}
115   for (int k = 0; k < argc; ++k) ++k;
116   #pragma omp taskloop simd linear (ref() // 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 (foo() // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
119   for (int k = 0; k < argc; ++k) ++k;
120   #pragma omp taskloop simd linear () // expected-error {{expected expression}}
121   for (int k = 0; k < argc; ++k) ++k;
122   #pragma omp taskloop simd linear (argc // 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 {{use of undeclared identifier 'val'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
125   for (int k = 0; k < argc; ++k) ++k;
126   #pragma omp taskloop simd linear (val(argc, // expected-error {{expected expression}} expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}}
127   for (int k = 0; k < argc; ++k) ++k;
128   #pragma omp taskloop simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
129   for (int k = 0; k < argc; ++k) ++k;
130   #pragma omp taskloop simd linear (argc : 5)
131   for (int k = 0; k < argc; ++k) ++k;
132   #pragma omp taskloop simd linear (S1) // expected-error {{'S1' does not refer to a value}}
133   for (int k = 0; k < argc; ++k) ++k;
134   // expected-error@+2 {{linear variable with incomplete type 'S1'}}
135   // expected-error@+1 {{const-qualified variable cannot be linear}}
136   #pragma omp taskloop simd linear (val(a, b):B::ib)
137   for (int k = 0; k < argc; ++k) ++k;
138   #pragma omp taskloop simd linear (argv[1]) // expected-error {{expected variable name}}
139   for (int k = 0; k < argc; ++k) ++k;
140   #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'}}
141   for (int k = 0; k < argc; ++k) ++k;
142   #pragma omp taskloop simd linear(h) // expected-error {{threadprivate or thread local variable cannot be linear}}
143   for (int k = 0; k < argc; ++k) ++k;
144   #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'}}
145   for (int k = 0; k < argc; ++k) ++k;
146   #pragma omp parallel
147   {
148     int v = 0;
149     int i;
150     #pragma omp taskloop simd linear(v:i)
151     for (int k = 0; k < argc; ++k) { i = k; v += i; }
152   }
153   #pragma omp taskloop simd linear(ref(j))
154   for (int k = 0; k < argc; ++k) ++k;
155   #pragma omp taskloop simd linear(uval(j))
156   for (int k = 0; k < argc; ++k) ++k;
157   int v = 0;
158   #pragma omp taskloop simd linear(v:j)
159   for (int k = 0; k < argc; ++k) { ++k; v += j; }
160   #pragma omp taskloop simd linear(i)
161   for (int k = 0; k < argc; ++k) ++k;
162   return 0;
163 }
164 
165 namespace A {
166 double x;
167 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
168 }
169 namespace C {
170 using A::x;
171 }
172 
173 void linear_modifiers(int argc) {
174   int &f = argc;
175   #pragma omp taskloop simd linear(f)
176   for (int k = 0; k < argc; ++k) ++k;
177   #pragma omp taskloop simd linear(val(f))
178   for (int k = 0; k < argc; ++k) ++k;
179   #pragma omp taskloop simd linear(uval(f))
180   for (int k = 0; k < argc; ++k) ++k;
181   #pragma omp taskloop simd linear(ref(f))
182   for (int k = 0; k < argc; ++k) ++k;
183   #pragma omp taskloop simd linear(foo(f)) // expected-error {{expected one of 'ref', val' or 'uval' modifiers}}
184   for (int k = 0; k < argc; ++k) ++k;
185 }
186 
187 int f;
188 int main(int argc, char **argv) {
189   double darr[100];
190   // expected-note@+1 {{in instantiation of function template specialization 'test_template<-4, double, int>' requested here}}
191   test_template<-4>(darr, 4);
192   // expected-note@+1 {{in instantiation of function template specialization 'test_warn<0>' requested here}}
193   test_warn<0>();
194 
195   S4 e(4); // expected-note {{'e' defined here}}
196   S5 g(5); // expected-note {{'g' defined here}}
197   int i;
198   int &j = i;
199   #pragma omp taskloop simd linear(f) linear(f) // expected-error {{linear variable cannot be linear}} expected-note {{defined as linear}}
200   for (int k = 0; k < argc; ++k) ++k;
201   #pragma omp taskloop simd linear // expected-error {{expected '(' after 'linear'}}
202   for (int k = 0; k < argc; ++k) ++k;
203   #pragma omp taskloop simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
204   for (int k = 0; k < argc; ++k) ++k;
205   #pragma omp taskloop simd linear () // expected-error {{expected expression}}
206   for (int k = 0; k < argc; ++k) ++k;
207   #pragma omp taskloop simd linear (val // expected-error {{use of undeclared identifier 'val'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
208   for (int k = 0; k < argc; ++k) ++k;
209   #pragma omp taskloop simd linear (ref()) // expected-error {{expected expression}}
210   for (int k = 0; k < argc; ++k) ++k;
211   #pragma omp taskloop simd linear (foo()) // expected-error {{expected expression}}
212   for (int k = 0; k < argc; ++k) ++k;
213   #pragma omp taskloop simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
214   for (int k = 0; k < argc; ++k) ++k;
215   #pragma omp taskloop simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
216   for (int k = 0; k < argc; ++k) ++k;
217   #pragma omp taskloop simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
218   for (int k = 0; k < argc; ++k) ++k;
219   #pragma omp taskloop simd linear (argc)
220   for (int k = 0; k < argc; ++k) ++k;
221   #pragma omp taskloop simd linear (S1) // expected-error {{'S1' does not refer to a value}}
222   for (int k = 0; k < argc; ++k) ++k;
223   // expected-error@+2 {{linear variable with incomplete type 'S1'}}
224   // expected-error@+1 {{const-qualified variable cannot be linear}}
225   #pragma omp taskloop simd linear(a, b)
226   for (int k = 0; k < argc; ++k) ++k;
227   #pragma omp taskloop simd linear (argv[1]) // expected-error {{expected variable name}}
228   for (int k = 0; k < argc; ++k) ++k;
229   // expected-error@+2 {{argument of a linear clause should be of integral or pointer type, not 'S4'}}
230   // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S5'}}
231   #pragma omp taskloop simd linear(val(e, g))
232   for (int k = 0; k < argc; ++k) ++k;
233   #pragma omp taskloop simd linear(h, C::x) // expected-error 2 {{threadprivate or thread local variable cannot be linear}}
234   for (int k = 0; k < argc; ++k) ++k;
235   #pragma omp parallel
236   {
237     int i;
238     #pragma omp taskloop simd linear(val(i))
239     for (int k = 0; k < argc; ++k) ++k;
240     #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'}}
241     for (int k = 0; k < argc; ++k) { ++k; i += 4; }
242   }
243   #pragma omp taskloop simd linear(ref(j))
244   for (int k = 0; k < argc; ++k) ++k;
245   #pragma omp taskloop simd linear(i)
246   for (int k = 0; k < argc; ++k) ++k;
247 
248   foomain<int,char>(argc,argv); // expected-note {{in instantiation of function template specialization 'foomain<int, char>' requested here}}
249   return 0;
250 }
251 
252