1 // RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
2
3 // RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
4
5 typedef void **omp_allocator_handle_t;
6 extern const omp_allocator_handle_t omp_default_mem_alloc;
7 extern const omp_allocator_handle_t omp_large_cap_mem_alloc;
8 extern const omp_allocator_handle_t omp_const_mem_alloc;
9 extern const omp_allocator_handle_t omp_high_bw_mem_alloc;
10 extern const omp_allocator_handle_t omp_low_lat_mem_alloc;
11 extern const omp_allocator_handle_t omp_cgroup_mem_alloc;
12 extern const omp_allocator_handle_t omp_pteam_mem_alloc;
13 extern const omp_allocator_handle_t omp_thread_mem_alloc;
14
xxx(int argc)15 void xxx(int argc) {
16 int i, step; // expected-note {{initialize the variable 'step' to silence this warning}}
17 #pragma omp target teams distribute parallel for simd linear(i : step) // expected-warning {{variable 'step' is uninitialized when used here}}
18 for (i = 0; i < 10; ++i)
19 ;
20 }
21
22 namespace X {
23 int x;
24 };
25
26 struct B {
27 static int ib; // expected-note {{'B::ib' declared here}}
bfooB28 static int bfoo() { return 8; }
29 };
30
bfoo()31 int bfoo() { return 4; }
32
33 int z;
34 const int C1 = 1;
35 const int C2 = 2;
test_linear_colons()36 void test_linear_colons()
37 {
38 int B = 0;
39
40 // expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
41 #pragma omp target teams distribute parallel for simd linear(B:bfoo())
42 for (int i = 0; i < 10; ++i) ;
43
44 // expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
45 #pragma omp target teams distribute parallel for simd linear(B::ib:B:bfoo()) // expected-error {{unexpected ':' in nested name specifier; did you mean '::'}}
46 for (int i = 0; i < 10; ++i) ;
47
48 // expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
49 #pragma omp target teams distribute parallel for simd linear(B:ib) // expected-error {{use of undeclared identifier 'ib'; did you mean 'B::ib'}}
50 for (int i = 0; i < 10; ++i) ;
51
52 // expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
53 #pragma omp target teams distribute parallel for simd linear(z:B:ib) // expected-error {{unexpected ':' in nested name specifier; did you mean '::'?}}
54 for (int i = 0; i < 10; ++i) ;
55
56 // expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
57 #pragma omp target teams distribute parallel for simd linear(B:B::bfoo())
58 for (int i = 0; i < 10; ++i) ;
59
60 // expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
61 #pragma omp target teams distribute parallel for simd linear(X::x : ::z)
62 for (int i = 0; i < 10; ++i) ;
63
64 // expected-error@+1 3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
65 #pragma omp target teams distribute parallel for simd linear(B,::z, X::x)
66 for (int i = 0; i < 10; ++i) ;
67
68 // expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
69 #pragma omp target teams distribute parallel for simd linear(::z)
70 for (int i = 0; i < 10; ++i) ;
71
72 #pragma omp target teams distribute parallel for simd linear(B::bfoo()) // expected-error {{expected variable name}}
73 for (int i = 0; i < 10; ++i) ;
74
75 // expected-error@+1 2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
76 #pragma omp target teams distribute parallel for simd linear(B::ib,B:C1+C2)
77 for (int i = 0; i < 10; ++i) ;
78 }
79
80 template<int L, class T, class N> T test_template(T* arr, N num) {
81 N i;
82 T sum = (T)0;
83 T ind2 = - num * L; // expected-note {{'ind2' defined here}}
84
85 #pragma omp target teams distribute parallel for simd linear(ind2:L) // expected-error {{argument of a linear clause should be of integral or pointer type}}
86 for (i = 0; i < num; ++i) {
87 T cur = arr[(int)ind2];
88 ind2 += L;
89 sum += cur;
90 }
91 return T();
92 }
93
test_warn()94 template<int LEN> int test_warn() {
95 int ind2 = 0;
96 // expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
97 #pragma omp target teams distribute parallel for simd linear(ind2:LEN) // expected-warning {{zero linear step (ind2 should probably be const)}}
98 for (int i = 0; i < 100; i++) {
99 ind2 += LEN;
100 }
101 return ind2;
102 }
103
104 struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
105 extern S1 a;
106 class S2 {
107 mutable int a;
108 public:
S2()109 S2():a(0) { }
110 };
111 const S2 b; // expected-note 2 {{'b' defined here}}
112 const S2 ba[5];
113 class S3 {
114 int a;
115 public:
S3()116 S3():a(0) { }
117 };
118 const S3 ca[5];
119 class S4 {
120 int a;
121 S4();
122 public:
S4(int v)123 S4(int v):a(v) { }
124 };
125 class S5 {
126 int a;
S5()127 S5():a(0) {}
128 public:
S5(int v)129 S5(int v):a(v) { }
130 };
131
132 S3 h;
133 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
134
foomain(I argc,C ** argv)135 template<class I, class C> int foomain(I argc, C **argv) {
136 I e(4);
137 I g(5);
138 int i;
139 int &j = i;
140
141 #pragma omp target teams distribute parallel for simd linear // expected-error {{expected '(' after 'linear'}}
142 for (int k = 0; k < argc; ++k) ++k;
143
144 #pragma omp target teams distribute parallel for simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
145 for (int k = 0; k < argc; ++k) ++k;
146
147 #pragma omp target teams distribute parallel for simd linear () // expected-error {{expected expression}}
148 for (int k = 0; k < argc; ++k) ++k;
149
150 // expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
151 #pragma omp target teams distribute parallel for simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
152 for (int k = 0; k < argc; ++k) ++k;
153
154 // expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
155 #pragma omp target teams distribute parallel for simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
156 for (int k = 0; k < argc; ++k) ++k;
157
158 #pragma omp target teams distribute parallel for simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
159 for (int k = 0; k < argc; ++k) ++k;
160
161 // expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
162 #pragma omp target teams distribute parallel for 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 '('}}
163 for (int k = 0; k < argc; ++k) ++k;
164
165 #pragma omp target teams distribute parallel for simd linear (S1) // expected-error {{'S1' does not refer to a value}}
166 for (int k = 0; k < argc; ++k) ++k;
167
168 #pragma omp target teams distribute parallel for 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'}}
169 for (int k = 0; k < argc; ++k) ++k;
170
171 #pragma omp target teams distribute parallel for simd linear (argv[1]) // expected-error {{expected variable name}}
172 for (int k = 0; k < argc; ++k) ++k;
173
174 // expected-error@+1 2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
175 #pragma omp target teams distribute parallel for simd linear(e, g)
176 for (int k = 0; k < argc; ++k) ++k;
177
178 #pragma omp target teams distribute parallel for simd linear(h) // expected-error {{threadprivate or thread local variable cannot be linear}}
179 for (int k = 0; k < argc; ++k) ++k;
180
181 // expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
182 #pragma omp target teams distribute parallel for simd linear(i)
183 for (int k = 0; k < argc; ++k) ++k;
184
185 return 0;
186 }
187
188 namespace A {
189 double x;
190 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
191 }
192 namespace C {
193 using A::x;
194 }
195
main(int argc,char ** argv)196 int main(int argc, char **argv) {
197 double darr[100];
198 // expected-note@+1 {{in instantiation of function template specialization 'test_template<-4, double, int>' requested here}}
199 test_template<-4>(darr, 4);
200 // expected-note@+1 {{in instantiation of function template specialization 'test_warn<0>' requested here}}
201 test_warn<0>();
202
203 S4 e(4); // expected-note {{'e' defined here}}
204 S5 g(5); // expected-note {{'g' defined here}}
205 int i;
206 int &j = i;
207
208 #pragma omp target teams distribute parallel for simd linear // expected-error {{expected '(' after 'linear'}}
209 for (int k = 0; k < argc; ++k) ++k;
210
211 #pragma omp target teams distribute parallel for simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
212 for (int k = 0; k < argc; ++k) ++k;
213
214 #pragma omp target teams distribute parallel for simd linear () // expected-error {{expected expression}}
215 for (int k = 0; k < argc; ++k) ++k;
216
217 // expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
218 #pragma omp target teams distribute parallel for simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
219 for (int k = 0; k < argc; ++k) ++k;
220
221 // expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
222 #pragma omp target teams distribute parallel for simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
223 for (int k = 0; k < argc; ++k) ++k;
224
225 #pragma omp target teams distribute parallel for simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
226 for (int k = 0; k < argc; ++k) ++k;
227
228 // expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
229 #pragma omp target teams distribute parallel for simd linear (argc)
230 for (int k = 0; k < argc; ++k) ++k;
231
232 #pragma omp target teams distribute parallel for simd linear (S1) // expected-error {{'S1' does not refer to a value}}
233 for (int k = 0; k < argc; ++k) ++k;
234
235
236 #pragma omp target teams distribute parallel for simd linear (a, b) // expected-error {{linear variable with incomplete type 'S1'}} expected-error {{argument of a linear clause should be of integral or pointer type, not 'S2'}}
237 for (int k = 0; k < argc; ++k) ++k;
238
239 #pragma omp target teams distribute parallel for simd linear (argv[1]) // expected-error {{expected variable name}}
240 for (int k = 0; k < argc; ++k) ++k;
241
242 #pragma omp target teams distribute parallel for 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'}}
243 for (int k = 0; k < argc; ++k) ++k;
244
245 #pragma omp target teams distribute parallel for simd linear(h, C::x) // expected-error 2 {{threadprivate or thread local variable cannot be linear}}
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