1 // RUN: %clang_cc1 -x c++ -std=c++11 -verify -fopenmp %s -Wuninitialized
2 
3 // RUN: %clang_cc1 -x c++ -std=c++11 -verify -fopenmp-simd %s -Wuninitialized
4 
5 struct B {
6   static int ib[20]; // expected-note 0 {{'B::ib' declared here}}
7   static constexpr int bfoo() { return 8; }
8 };
9 namespace X {
10   B x; // expected-note {{'x' defined here}}
11 };
12 constexpr int bfoo() { return 4; }
13 
14 int **z;
15 const int C1 = 1;
16 const int C2 = 2;
17 void test_aligned_colons(int *&rp)
18 {
19   int *B = 0;
20 
21 #pragma omp target
22 #pragma omp teams distribute simd aligned(B:bfoo())
23   for (int i = 0; i < 10; ++i) ;
24 
25 #pragma omp target
26 #pragma omp teams distribute simd aligned(B::ib:B:bfoo()) // expected-error {{unexpected ':' in nested name specifier; did you mean '::'}}
27   for (int i = 0; i < 10; ++i) ;
28 
29 #pragma omp target
30 #pragma omp teams distribute simd aligned(B:B::bfoo())
31   for (int i = 0; i < 10; ++i) ;
32 
33 #pragma omp target
34 #pragma omp teams distribute simd aligned(z:B:bfoo()) // expected-error {{unexpected ':' in nested name specifier; did you mean '::'?}}
35   for (int i = 0; i < 10; ++i) ;
36 
37 #pragma omp target
38 #pragma omp teams distribute simd aligned(B:B::bfoo())
39   for (int i = 0; i < 10; ++i) ;
40 
41 #pragma omp target
42 #pragma omp 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'}}
43   for (int i = 0; i < 10; ++i) ;
44 
45 #pragma omp target
46 #pragma omp teams distribute simd aligned(B,rp,::z: X::x) // expected-error {{integral constant expression must have integral or unscoped enumeration type, not 'B'}}
47   for (int i = 0; i < 10; ++i) ;
48 
49 #pragma omp target
50 #pragma omp teams distribute simd aligned(::z)
51   for (int i = 0; i < 10; ++i) ;
52 
53 #pragma omp target
54 #pragma omp teams distribute simd aligned(B::bfoo()) // expected-error {{expected variable name}}
55   for (int i = 0; i < 10; ++i) ;
56 
57 #pragma omp target
58 #pragma omp 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}}
59   for (int i = 0; i < 10; ++i) ;
60 }
61 
62 // expected-note@+1 {{'num' defined here}}
63 template<int L, class T, class N> T test_template(T* arr, N num) {
64   N i;
65   T sum = (T)0;
66   T ind2 = - num * L;
67   // Negative number is passed as L.
68 
69 #pragma omp target
70 #pragma omp teams distribute simd aligned(arr:L) // expected-error {{argument to 'aligned' clause must be a strictly positive integer value}}
71   for (i = 0; i < num; ++i) {
72     T cur = arr[(int)ind2];
73     ind2 += L;
74     sum += cur;
75   }
76 
77 #pragma omp target
78 #pragma omp 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'}}
79   for (i = 0; i < num; ++i);
80 
81   return T();
82 }
83 
84 template<int LEN> int test_warn() {
85   int *ind2 = 0;
86 #pragma omp target
87 #pragma omp teams distribute simd aligned(ind2:LEN) // expected-error {{argument to 'aligned' clause must be a strictly positive integer value}}
88   for (int i = 0; i < 100; i++) {
89     ind2 += LEN;
90   }
91   return 0;
92 }
93 
94 struct S1; // expected-note 2 {{declared here}} // expected-note {{forward declaration of 'S1'}}
95 extern S1 a; // expected-note {{'a' declared here}}
96 class S2 {
97   mutable int a;
98 public:
99   S2():a(0) { }
100 };
101 const S2 b; // expected-note 1 {{'b' defined here}}
102 const S2 ba[5];
103 class S3 {
104   int a;
105 public:
106   S3():a(0) { }
107 };
108 const S3 ca[5];
109 class S4 {
110   int a;
111   S4();
112 public:
113   S4(int v):a(v) { }
114 };
115 class S5 {
116   int a;
117   S5():a(0) {}
118 public:
119   S5(int v):a(v) { }
120 };
121 
122 S3 h; // expected-note 2 {{'h' defined here}}
123 #pragma omp threadprivate(h)
124 
125 template<class I, class C> int foomain(I argc, C **argv) {
126   I e(argc);
127   I g(argc);
128   int i; // expected-note {{'i' defined here}}
129   // expected-note@+1 {{declared here}}
130   int &j = i;
131 
132 #pragma omp target
133 #pragma omp teams distribute simd aligned // expected-error {{expected '(' after 'aligned'}}
134   for (I k = 0; k < argc; ++k) ++k;
135 
136 #pragma omp target
137 #pragma omp teams distribute simd aligned ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
138   for (I k = 0; k < argc; ++k) ++k;
139 
140 #pragma omp target
141 #pragma omp teams distribute simd aligned () // expected-error {{expected expression}}
142   for (I k = 0; k < argc; ++k) ++k;
143 
144 #pragma omp target
145 #pragma omp teams distribute simd aligned (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
146   for (I k = 0; k < argc; ++k) ++k;
147 
148 #pragma omp target
149 #pragma omp teams distribute simd aligned (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
150   for (I k = 0; k < argc; ++k) ++k;
151 
152 // FIXME: Should argc really be a pointer?
153 #pragma omp target
154 #pragma omp teams distribute simd aligned (*argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
155   for (I k = 0; k < argc; ++k) ++k;
156 
157 #pragma omp target
158 #pragma omp teams distribute simd aligned (argc : 5) // expected-warning {{aligned clause will be ignored because the requested alignment is not a power of 2}}
159   for (I k = 0; k < argc; ++k) ++k;
160 
161 #pragma omp target
162 #pragma omp teams distribute simd aligned (S1) // expected-error {{'S1' does not refer to a value}}
163   for (I k = 0; k < argc; ++k) ++k;
164 
165 #pragma omp target
166 #pragma omp teams distribute simd aligned (argv[1]) // expected-error {{expected variable name}}
167   for (I k = 0; k < argc; ++k) ++k;
168 
169 #pragma omp target
170 #pragma omp teams distribute simd aligned(e, g)
171   for (I k = 0; k < argc; ++k) ++k;
172 
173 #pragma omp target
174 #pragma omp teams distribute simd aligned(h) // expected-error {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'S3'}}
175   for (I k = 0; k < argc; ++k) ++k;
176 
177 #pragma omp target
178 #pragma omp teams distribute simd aligned(i) // expected-error {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'int'}}
179   for (I k = 0; k < argc; ++k) ++k;
180 
181   #pragma omp parallel
182   {
183     int *v = 0;
184     I i;
185     #pragma omp target
186     #pragma omp teams distribute simd aligned(v:16)
187       for (I k = 0; k < argc; ++k) { i = k; v += 2; }
188   }
189   float *f;
190 
191 #pragma omp target
192 #pragma omp teams distribute simd aligned(f)
193   for (I k = 0; k < argc; ++k) ++k;
194 
195   int v = 0;
196 
197 #pragma omp target
198 #pragma omp teams distribute simd aligned(f:j) // expected-note {{initializer of 'j' is not a constant expression}} expected-error {{integral constant expression}}
199 
200   for (I k = 0; k < argc; ++k) { ++k; v += j; }
201 
202 #pragma omp target
203 #pragma omp teams distribute simd aligned(f)
204   for (I k = 0; k < argc; ++k) ++k;
205 
206   return 0;
207 }
208 
209 // expected-note@+1 2 {{'argc' defined here}}
210 int main(int argc, char **argv) {
211   double darr[100];
212   // expected-note@+1 {{in instantiation of function template specialization 'test_template<-4, double, int>' requested here}}
213   test_template<-4>(darr, 4);
214   test_warn<4>(); // ok
215   // expected-note@+1 {{in instantiation of function template specialization 'test_warn<0>' requested here}}
216   test_warn<0>();
217 
218   int i;
219   int &j = i;
220 
221 #pragma omp target
222 #pragma omp teams distribute simd aligned // expected-error {{expected '(' after 'aligned'}}
223   for (int k = 0; k < argc; ++k) ++k;
224 
225 #pragma omp target
226 #pragma omp teams distribute simd aligned ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
227   for (int k = 0; k < argc; ++k) ++k;
228 
229 #pragma omp target
230 #pragma omp teams distribute simd aligned () // expected-error {{expected expression}}
231   for (int k = 0; k < argc; ++k) ++k;
232 
233 #pragma omp target
234 #pragma omp teams distribute simd aligned (argv // expected-error {{expected ')'}} expected-note {{to match this '('}}
235   for (int k = 0; k < argc; ++k) ++k;
236 
237 #pragma omp target
238 #pragma omp 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'}}
239   for (int k = 0; k < argc; ++k) ++k;
240 
241 #pragma omp target
242 #pragma omp teams
243 #pragma omp distribute simd aligned (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
244   for (int k = 0; k < argc; ++k) ++k;
245 
246 #pragma omp target
247 #pragma omp teams
248 #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'}}
249   for (int k = 0; k < argc; ++k) ++k;
250 
251 #pragma omp target
252 #pragma omp teams distribute simd aligned (S1) // expected-error {{'S1' does not refer to a value}}
253   for (int k = 0; k < argc; ++k) ++k;
254 
255 #pragma omp target
256 #pragma omp 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'}} expected-error {{incomplete type 'S1' where a complete type is required}}
257   for (int k = 0; k < argc; ++k) ++k;
258 
259 #pragma omp target
260 #pragma omp teams distribute simd aligned (argv[1]) // expected-error {{expected variable name}}
261   for (int k = 0; k < argc; ++k) ++k;
262 
263 #pragma omp target
264 #pragma omp teams distribute simd aligned(h)  // expected-error {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'S3'}}
265   for (int k = 0; k < argc; ++k) ++k;
266 
267   int *pargc = &argc;
268   // expected-note@+1 {{in instantiation of function template specialization 'foomain<int *, char>' requested here}}
269   foomain<int*,char>(pargc,argv);
270   return 0;
271 }
272 
273