1 // RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
2
3 // RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
4
5 extern int omp_default_mem_alloc;
xxx(int argc)6 void xxx(int argc) {
7 int i, step; // expected-note {{initialize the variable 'step' to silence this warning}}
8 #pragma omp target
9 #pragma omp teams distribute simd linear(i : step) // expected-warning {{variable 'step' is uninitialized when used here}}
10 for (i = 0; i < 10; ++i)
11 ;
12 }
13
14 namespace X {
15 int x;
16 };
17
18 struct B {
19 static int ib; // expected-note {{'B::ib' declared here}}
bfooB20 static int bfoo() { return 8; }
21 };
22
bfoo()23 int bfoo() { return 4; }
24
25 int z;
26 const int C1 = 1;
27 const int C2 = 2;
test_linear_colons()28 void test_linear_colons()
29 {
30 int B = 0;
31
32 // expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
33 #pragma omp target
34 #pragma omp teams distribute simd linear(B:bfoo())
35 for (int i = 0; i < 10; ++i) ;
36
37 // expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
38 #pragma omp target
39 #pragma omp teams distribute simd linear(B::ib:B:bfoo()) // expected-error {{unexpected ':' in nested name specifier; did you mean '::'}}
40 for (int i = 0; i < 10; ++i) ;
41
42 // expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
43 #pragma omp target
44 #pragma omp teams distribute simd linear(B:ib) // expected-error {{use of undeclared identifier 'ib'; did you mean 'B::ib'}}
45 for (int i = 0; i < 10; ++i) ;
46
47 // expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
48 #pragma omp target
49 #pragma omp teams distribute simd linear(z:B:ib) // expected-error {{unexpected ':' in nested name specifier; did you mean '::'?}}
50 for (int i = 0; i < 10; ++i) ;
51
52 // expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
53 #pragma omp target
54 #pragma omp teams distribute simd linear(B:B::bfoo())
55 for (int i = 0; i < 10; ++i) ;
56
57 // expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
58 #pragma omp target
59 #pragma omp teams distribute simd linear(X::x : ::z)
60 for (int i = 0; i < 10; ++i) ;
61
62 // expected-error@+2 3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
63 #pragma omp target
64 #pragma omp teams distribute simd linear(B,::z, X::x)
65 for (int i = 0; i < 10; ++i) ;
66
67 // expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
68 #pragma omp target
69 #pragma omp teams distribute simd linear(::z)
70 for (int i = 0; i < 10; ++i) ;
71
72 #pragma omp target
73 #pragma omp teams distribute simd linear(B::bfoo()) // expected-error {{expected variable name}}
74 for (int i = 0; i < 10; ++i) ;
75
76 // expected-error@+2 2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
77 #pragma omp target
78 #pragma omp teams distribute simd linear(B::ib,B:C1+C2)
79 for (int i = 0; i < 10; ++i) ;
80 }
81
82 template<int L, class T, class N> T test_template(T* arr, N num) {
83 N i;
84 T sum = (T)0;
85 T ind2 = - num * L; // expected-note {{'ind2' defined here}}
86
87 #pragma omp target
88 #pragma omp teams distribute simd linear(ind2:L) // expected-error {{argument of a linear clause should be of integral or pointer type}}
89 for (i = 0; i < num; ++i) {
90 T cur = arr[(int)ind2];
91 ind2 += L;
92 sum += cur;
93 }
94 return T();
95 }
96
test_warn()97 template<int LEN> int test_warn() {
98 int ind2 = 0;
99 // expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
100 #pragma omp target
101 #pragma omp teams distribute simd linear(ind2:LEN) // expected-warning {{zero linear step (ind2 should probably be const)}}
102 for (int i = 0; i < 100; i++) {
103 ind2 += LEN;
104 }
105 return ind2;
106 }
107
108 struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
109 extern S1 a;
110 class S2 {
111 mutable int a;
112 public:
S2()113 S2():a(0) { }
114 };
115 const S2 b; // expected-note 2 {{'b' defined here}}
116 const S2 ba[5];
117 class S3 {
118 int a;
119 public:
S3()120 S3():a(0) { }
121 };
122 const S3 ca[5];
123 class S4 {
124 int a;
125 S4();
126 public:
S4(int v)127 S4(int v):a(v) { }
128 };
129 class S5 {
130 int a;
S5()131 S5():a(0) {}
132 public:
S5(int v)133 S5(int v):a(v) { }
134 };
135
136 S3 h;
137 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
138
foomain(I argc,C ** argv)139 template<class I, class C> int foomain(I argc, C **argv) {
140 I e(4);
141 I g(5);
142 int i;
143 int &j = i;
144
145 #pragma omp target
146 #pragma omp teams distribute simd linear // expected-error {{expected '(' after 'linear'}}
147 for (int k = 0; k < argc; ++k) ++k;
148
149 #pragma omp target
150 #pragma omp teams distribute simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
151 for (int k = 0; k < argc; ++k) ++k;
152
153 #pragma omp target
154 #pragma omp teams distribute simd linear () // expected-error {{expected expression}}
155 for (int k = 0; k < argc; ++k) ++k;
156
157 // expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
158 #pragma omp target
159 #pragma omp teams distribute simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
160 for (int k = 0; k < argc; ++k) ++k;
161
162 // expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
163 #pragma omp target
164 #pragma omp teams distribute simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
165 for (int k = 0; k < argc; ++k) ++k;
166
167 #pragma omp target
168 #pragma omp teams distribute simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
169 for (int k = 0; k < argc; ++k) ++k;
170
171 // expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
172 #pragma omp target
173 #pragma omp teams distribute simd linear (argc : 5) allocate , allocate(, allocate(omp_default , allocate(omp_default_mem_alloc, allocate(omp_default_mem_alloc:, allocate(omp_default_mem_alloc: argc, allocate(omp_default_mem_alloc: argv), allocate(argv) // expected-error {{expected '(' after 'allocate'}} expected-error 2 {{expected expression}} expected-error 2 {{expected ')'}} expected-error {{use of undeclared identifier 'omp_default'}} expected-note 2 {{to match this '('}}
174 for (int k = 0; k < argc; ++k) ++k;
175
176 #pragma omp target
177 #pragma omp teams distribute simd linear (S1) // expected-error {{'S1' does not refer to a value}}
178 for (int k = 0; k < argc; ++k) ++k;
179
180 #pragma omp target
181 #pragma omp teams distribute simd linear (a, b:B::ib) // expected-error {{linear variable with incomplete type 'S1'}} expected-error {{argument of a linear clause should be of integral or pointer type, not 'S2'}}
182 for (int k = 0; k < argc; ++k) ++k;
183
184 #pragma omp target
185 #pragma omp teams distribute simd linear (argv[1]) // expected-error {{expected variable name}}
186 for (int k = 0; k < argc; ++k) ++k;
187
188 // expected-error@+2 2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
189 #pragma omp target
190 #pragma omp teams distribute simd linear(e, g)
191 for (int k = 0; k < argc; ++k) ++k;
192
193 #pragma omp target
194 #pragma omp teams distribute simd linear(h) // expected-error {{threadprivate or thread local variable cannot be linear}}
195 for (int k = 0; k < argc; ++k) ++k;
196
197 // expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
198 #pragma omp target
199 #pragma omp teams distribute simd linear(i)
200 for (int k = 0; k < argc; ++k) ++k;
201
202 return 0;
203 }
204
205 namespace A {
206 double x;
207 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
208 }
209 namespace C {
210 using A::x;
211 }
212
main(int argc,char ** argv)213 int main(int argc, char **argv) {
214 double darr[100];
215 // expected-note@+1 {{in instantiation of function template specialization 'test_template<-4, double, int>' requested here}}
216 test_template<-4>(darr, 4);
217 // expected-note@+1 {{in instantiation of function template specialization 'test_warn<0>' requested here}}
218 test_warn<0>();
219
220 S4 e(4); // expected-note {{'e' defined here}}
221 S5 g(5); // expected-note {{'g' defined here}}
222 int i;
223 int &j = i;
224
225 #pragma omp target
226 #pragma omp teams distribute simd linear // expected-error {{expected '(' after 'linear'}}
227 for (int k = 0; k < argc; ++k) ++k;
228
229 #pragma omp target
230 #pragma omp teams distribute simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
231 for (int k = 0; k < argc; ++k) ++k;
232
233 #pragma omp target
234 #pragma omp teams distribute simd linear () // expected-error {{expected expression}}
235 for (int k = 0; k < argc; ++k) ++k;
236
237 // expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
238 #pragma omp target
239 #pragma omp teams distribute simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
240 for (int k = 0; k < argc; ++k) ++k;
241
242 // expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
243 #pragma omp target
244 #pragma omp teams distribute simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
245 for (int k = 0; k < argc; ++k) ++k;
246
247 #pragma omp target
248 #pragma omp teams distribute simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
249 for (int k = 0; k < argc; ++k) ++k;
250
251 // expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
252 #pragma omp target
253 #pragma omp teams distribute simd linear (argc)
254 for (int k = 0; k < argc; ++k) ++k;
255
256 #pragma omp target
257 #pragma omp teams distribute simd linear (S1) // expected-error {{'S1' does not refer to a value}}
258 for (int k = 0; k < argc; ++k) ++k;
259
260
261 #pragma omp target
262 #pragma omp teams distribute simd linear (a, b) // expected-error {{incomplete type 'S1' where a complete type is required}} expected-error {{linear variable with incomplete type 'S1'}} expected-error {{argument of a linear clause should be of integral or pointer type, not 'S2'}}
263 for (int k = 0; k < argc; ++k) ++k;
264
265 #pragma omp target
266 #pragma omp teams distribute simd linear (argv[1]) // expected-error {{expected variable name}}
267 for (int k = 0; k < argc; ++k) ++k;
268
269 #pragma omp target
270 #pragma omp teams distribute simd linear(e, g) // expected-error {{argument of a linear clause should be of integral or pointer type, not 'S4'}} expected-error {{argument of a linear clause should be of integral or pointer type, not 'S5'}}
271 for (int k = 0; k < argc; ++k) ++k;
272
273 #pragma omp target
274 #pragma omp teams distribute simd linear(h, C::x) // expected-error 2 {{threadprivate or thread local variable cannot be linear}}
275 for (int k = 0; k < argc; ++k) ++k;
276
277 foomain<int,char>(argc,argv); // expected-note {{in instantiation of function template specialization 'foomain<int, char>' requested here}}
278 return 0;
279 }
280
281