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 {{'i' defined here}}
114   // expected-note@+1 {{declared here}}
115   int &j = i;
116 
117 #pragma omp target teams distribute simd aligned // expected-error {{expected '(' after 'aligned'}}
118   for (I k = 0; k < argc; ++k) ++k;
119 
120 #pragma omp target teams distribute simd aligned ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
121   for (I k = 0; k < argc; ++k) ++k;
122 
123 #pragma omp target teams distribute simd aligned () // expected-error {{expected expression}}
124   for (I k = 0; k < argc; ++k) ++k;
125 
126 #pragma omp target teams distribute simd aligned (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
127   for (I k = 0; k < argc; ++k) ++k;
128 
129 #pragma omp target teams distribute simd aligned (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
130   for (I k = 0; k < argc; ++k) ++k;
131 
132 // FIXME: Should argc really be a pointer?
133 #pragma omp target teams distribute simd aligned (*argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
134   for (I k = 0; k < argc; ++k) ++k;
135 
136 #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}}
137   for (I k = 0; k < argc; ++k) ++k;
138 
139 #pragma omp target teams distribute simd aligned (S1) // expected-error {{'S1' does not refer to a value}}
140   for (I k = 0; k < argc; ++k) ++k;
141 
142 #pragma omp target teams distribute simd aligned (argv[1]) // expected-error {{expected variable name}}
143   for (I k = 0; k < argc; ++k) ++k;
144 
145 #pragma omp target teams distribute simd aligned(e, g)
146   for (I k = 0; k < argc; ++k) ++k;
147 
148 #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'}}
149   for (I k = 0; k < argc; ++k) ++k;
150 
151 #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'}}
152   for (I k = 0; k < argc; ++k) ++k;
153 
154   #pragma omp parallel
155   {
156     int *v = 0;
157     I i;
158     #pragma omp target teams distribute simd aligned(v:16)
159       for (I k = 0; k < argc; ++k) { i = k; v += 2; }
160   }
161   float *f;
162 
163 #pragma omp target teams distribute simd aligned(f)
164   for (I k = 0; k < argc; ++k) ++k;
165 
166   int v = 0;
167 
168 #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}}
169 
170   for (I k = 0; k < argc; ++k) { ++k; v += j; }
171 
172 #pragma omp target teams distribute simd aligned(f)
173   for (I k = 0; k < argc; ++k) ++k;
174 
175   return 0;
176 }
177 
178 // expected-note@+1 2 {{'argc' defined here}}
179 int main(int argc, char **argv) {
180   double darr[100];
181   // expected-note@+1 {{in instantiation of function template specialization 'test_template<-4, double, int>' requested here}}
182   test_template<-4>(darr, 4);
183   test_warn<4>(); // ok
184   // expected-note@+1 {{in instantiation of function template specialization 'test_warn<0>' requested here}}
185   test_warn<0>();
186 
187   int i;
188   int &j = i;
189 
190 #pragma omp target teams distribute simd aligned // expected-error {{expected '(' after 'aligned'}}
191   for (int k = 0; k < argc; ++k) ++k;
192 
193 #pragma omp target teams distribute simd aligned ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
194   for (int k = 0; k < argc; ++k) ++k;
195 
196 #pragma omp target teams distribute simd aligned () // expected-error {{expected expression}}
197   for (int k = 0; k < argc; ++k) ++k;
198 
199 #pragma omp target teams distribute simd aligned (argv // expected-error {{expected ')'}} expected-note {{to match this '('}}
200   for (int k = 0; k < argc; ++k) ++k;
201 
202 #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'}}
203   for (int k = 0; k < argc; ++k) ++k;
204 
205 #pragma omp target teams
206 #pragma omp distribute simd aligned (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
207   for (int k = 0; k < argc; ++k) ++k;
208 
209 #pragma omp target teams
210 #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'}}
211   for (int k = 0; k < argc; ++k) ++k;
212 
213 #pragma omp target teams distribute simd aligned (S1) // expected-error {{'S1' does not refer to a value}}
214   for (int k = 0; k < argc; ++k) ++k;
215 
216 #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'}}
217   for (int k = 0; k < argc; ++k) ++k;
218 
219 #pragma omp target teams distribute simd aligned (argv[1]) // expected-error {{expected variable name}}
220   for (int k = 0; k < argc; ++k) ++k;
221 
222 #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'}}
223   for (int k = 0; k < argc; ++k) ++k;
224 
225   int *pargc = &argc;
226   // expected-note@+1 {{in instantiation of function template specialization 'foomain<int *, char>' requested here}}
227   foomain<int*,char>(pargc,argv);
228   return 0;
229 }
230 
231