1 // RUN: %clang_cc1 -x c++ -std=c++11 -verify -fopenmp %s
2 
3 struct B {
4   static int ib[20]; // expected-note 0 {{'B::ib' declared here}}
5   static constexpr int bfoo() { return 8; }
6 };
7 namespace X {
8   B x; // expected-note {{'x' defined here}}
9 };
10 constexpr int bfoo() { return 4; }
11 
12 int **z;
13 const int C1 = 1;
14 const int C2 = 2;
15 void test_aligned_colons(int *&rp)
16 {
17   int *B = 0;
18 
19 #pragma omp target teams distribute simd aligned(B:bfoo())
20   for (int i = 0; i < 10; ++i) ;
21 
22 #pragma omp target teams distribute simd aligned(B::ib:B:bfoo()) // expected-error {{unexpected ':' in nested name specifier; did you mean '::'}}
23   for (int i = 0; i < 10; ++i) ;
24 
25 #pragma omp target teams distribute simd aligned(B:B::bfoo())
26   for (int i = 0; i < 10; ++i) ;
27 
28 #pragma omp target teams distribute simd aligned(z: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 teams distribute simd aligned(B:B::bfoo())
32   for (int i = 0; i < 10; ++i) ;
33 
34 #pragma omp target teams distribute simd aligned(X::x : ::z) // expected-error {{integral constant expression must have integral or unscoped enumeration type, not 'int **'}} expected-error {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'B'}}
35   for (int i = 0; i < 10; ++i) ;
36 
37 #pragma omp target teams distribute simd aligned(B,rp,::z: X::x) // expected-error {{integral constant expression must have integral or unscoped enumeration type, not 'B'}}
38   for (int i = 0; i < 10; ++i) ;
39 
40 #pragma omp target teams distribute simd aligned(::z)
41   for (int i = 0; i < 10; ++i) ;
42 
43 #pragma omp target teams distribute simd aligned(B::bfoo()) // expected-error {{expected variable name}}
44   for (int i = 0; i < 10; ++i) ;
45 
46 #pragma omp target teams distribute simd aligned(B::ib,B:C1+C2) // expected-warning {{aligned clause will be ignored because the requested alignment is not a power of 2}}
47   for (int i = 0; i < 10; ++i) ;
48 }
49 
50 // expected-note@+1 {{'num' defined here}}
51 template<int L, class T, class N> T test_template(T* arr, N num) {
52   N i;
53   T sum = (T)0;
54   T ind2 = - num * L;
55   // Negative number is passed as L.
56 
57 #pragma omp target teams distribute simd aligned(arr:L) // expected-error {{argument to 'aligned' clause must be a strictly positive integer value}}
58   for (i = 0; i < num; ++i) {
59     T cur = arr[(int)ind2];
60     ind2 += L;
61     sum += cur;
62   }
63 
64 #pragma omp target teams distribute simd aligned(num:4) // expected-error {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'int'}}
65   for (i = 0; i < num; ++i);
66 
67   return T();
68 }
69 
70 template<int LEN> int test_warn() {
71   int *ind2 = 0;
72 #pragma omp target teams distribute simd aligned(ind2:LEN) // expected-error {{argument to 'aligned' clause must be a strictly positive integer value}}
73   for (int i = 0; i < 100; i++) {
74     ind2 += LEN;
75   }
76   return 0;
77 }
78 
79 struct S1; // expected-note 2 {{declared here}}
80 extern S1 a; // expected-note {{'a' declared here}}
81 class S2 {
82   mutable int a;
83 public:
84   S2():a(0) { }
85 };
86 const S2 b; // expected-note 1 {{'b' defined here}}
87 const S2 ba[5];
88 class S3 {
89   int a;
90 public:
91   S3():a(0) { }
92 };
93 const S3 ca[5];
94 class S4 {
95   int a;
96   S4();
97 public:
98   S4(int v):a(v) { }
99 };
100 class S5 {
101   int a;
102   S5():a(0) {}
103 public:
104   S5(int v):a(v) { }
105 };
106 
107 S3 h; // expected-note 2 {{'h' defined here}}
108 #pragma omp threadprivate(h)
109 
110 template<class I, class C> int foomain(I argc, C **argv) {
111   I e(argc);
112   I g(argc);
113   int i; // expected-note {{declared here}} expected-note {{'i' defined here}}
114   // expected-note@+2 {{declared here}}
115   // expected-note@+1 {{reference to 'i' is not a constant expression}}
116   int &j = i;
117 
118 #pragma omp target teams distribute simd aligned // expected-error {{expected '(' after 'aligned'}}
119   for (I k = 0; k < argc; ++k) ++k;
120 
121 #pragma omp target teams distribute simd aligned ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
122   for (I k = 0; k < argc; ++k) ++k;
123 
124 #pragma omp target teams distribute simd aligned () // expected-error {{expected expression}}
125   for (I k = 0; k < argc; ++k) ++k;
126 
127 #pragma omp target teams distribute simd aligned (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
128   for (I k = 0; k < argc; ++k) ++k;
129 
130 #pragma omp target teams distribute simd aligned (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
131   for (I k = 0; k < argc; ++k) ++k;
132 
133 // FIXME: Should argc really be a pointer?
134 #pragma omp target teams distribute simd aligned (*argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
135   for (I k = 0; k < argc; ++k) ++k;
136 
137 #pragma omp target teams distribute simd aligned (argc : 5) // expected-warning {{aligned clause will be ignored because the requested alignment is not a power of 2}}
138   for (I k = 0; k < argc; ++k) ++k;
139 
140 #pragma omp target teams distribute simd aligned (S1) // expected-error {{'S1' does not refer to a value}}
141   for (I k = 0; k < argc; ++k) ++k;
142 
143 #pragma omp target teams distribute simd aligned (argv[1]) // expected-error {{expected variable name}}
144   for (I k = 0; k < argc; ++k) ++k;
145 
146 #pragma omp target teams distribute simd aligned(e, g)
147   for (I k = 0; k < argc; ++k) ++k;
148 
149 #pragma omp target teams distribute simd aligned(h) // expected-error {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'S3'}}
150   for (I k = 0; k < argc; ++k) ++k;
151 
152 #pragma omp target teams distribute simd aligned(i) // expected-error {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'int'}}
153   for (I k = 0; k < argc; ++k) ++k;
154 
155   #pragma omp parallel
156   {
157     int *v = 0;
158     I i;
159     #pragma omp target teams distribute simd aligned(v:16)
160       for (I k = 0; k < argc; ++k) { i = k; v += 2; }
161   }
162   float *f;
163 
164 #pragma omp target teams distribute simd aligned(f)
165   for (I k = 0; k < argc; ++k) ++k;
166 
167   int v = 0;
168 
169 #pragma omp target teams distribute simd aligned(f:j) // expected-note {{initializer of 'j' is not a constant expression}} expected-error {{expression is not an integral constant expression}}
170 
171   for (I k = 0; k < argc; ++k) { ++k; v += j; }
172 
173 #pragma omp target teams distribute simd aligned(f)
174   for (I k = 0; k < argc; ++k) ++k;
175 
176   return 0;
177 }
178 
179 // expected-note@+1 2 {{'argc' defined here}}
180 int main(int argc, char **argv) {
181   double darr[100];
182   // expected-note@+1 {{in instantiation of function template specialization 'test_template<-4, double, int>' requested here}}
183   test_template<-4>(darr, 4);
184   test_warn<4>(); // ok
185   // expected-note@+1 {{in instantiation of function template specialization 'test_warn<0>' requested here}}
186   test_warn<0>();
187 
188   int i;
189   int &j = i;
190 
191 #pragma omp target teams distribute simd aligned // expected-error {{expected '(' after 'aligned'}}
192   for (int k = 0; k < argc; ++k) ++k;
193 
194 #pragma omp target teams distribute simd aligned ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
195   for (int k = 0; k < argc; ++k) ++k;
196 
197 #pragma omp target teams distribute simd aligned () // expected-error {{expected expression}}
198   for (int k = 0; k < argc; ++k) ++k;
199 
200 #pragma omp target teams distribute simd aligned (argv // expected-error {{expected ')'}} expected-note {{to match this '('}}
201   for (int k = 0; k < argc; ++k) ++k;
202 
203 #pragma omp target teams distribute simd aligned (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'int'}}
204   for (int k = 0; k < argc; ++k) ++k;
205 
206 #pragma omp target teams
207 #pragma omp distribute simd aligned (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
208   for (int k = 0; k < argc; ++k) ++k;
209 
210 #pragma omp target teams
211 #pragma omp distribute simd aligned (argc) // expected-error {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'int'}}
212   for (int k = 0; k < argc; ++k) ++k;
213 
214 #pragma omp target teams distribute simd aligned (S1) // expected-error {{'S1' does not refer to a value}}
215   for (int k = 0; k < argc; ++k) ++k;
216 
217 #pragma omp target teams distribute simd aligned (a, b) // expected-error {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'S1'}} expected-error {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'S2'}}
218   for (int k = 0; k < argc; ++k) ++k;
219 
220 #pragma omp target teams distribute simd aligned (argv[1]) // expected-error {{expected variable name}}
221   for (int k = 0; k < argc; ++k) ++k;
222 
223 #pragma omp target teams distribute simd aligned(h) // expected-error {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'S3'}}
224   for (int k = 0; k < argc; ++k) ++k;
225 
226   int *pargc = &argc;
227   // expected-note@+1 {{in instantiation of function template specialization 'foomain<int *, char>' requested here}}
228   foomain<int*,char>(pargc,argv);
229   return 0;
230 }
231 
232