1 // RUN: %clang_cc1 -verify -fopenmp %s
2
3 // RUN: %clang_cc1 -verify -fopenmp-simd %s
4
5 namespace X {
6 int x;
7 };
8
9 struct B {
10 static int ib; // expected-note {{'B::ib' declared here}}
bfooB11 static int bfoo() { return 8; }
12 };
13
bfoo()14 int bfoo() { return 4; }
15
16 int z;
17 const int C1 = 1;
18 const int C2 = 2;
test_linear_colons()19 void test_linear_colons() {
20 int B = 0;
21 #pragma omp target parallel for linear(B : bfoo())
22 for (int i = 0; i < 10; ++i)
23 ;
24 // expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'}}
25 #pragma omp target parallel for linear(B::ib : B : bfoo())
26 for (int i = 0; i < 10; ++i)
27 ;
28 // expected-error@+1 {{use of undeclared identifier 'ib'; did you mean 'B::ib'}}
29 #pragma omp target parallel for linear(B : ib)
30 for (int i = 0; i < 10; ++i)
31 ;
32 // expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'?}}
33 #pragma omp target parallel for linear(z : B : ib)
34 for (int i = 0; i < 10; ++i)
35 ;
36 #pragma omp target parallel for linear(B : B::bfoo())
37 for (int i = 0; i < 10; ++i)
38 ;
39 #pragma omp target parallel for linear(X::x : ::z)
40 for (int i = 0; i < 10; ++i)
41 ;
42 #pragma omp target parallel for linear(B, ::z, X::x)
43 for (int i = 0; i < 10; ++i)
44 ;
45 #pragma omp target parallel for linear(::z)
46 for (int i = 0; i < 10; ++i)
47 ;
48 // expected-error@+1 {{expected variable name}}
49 #pragma omp target parallel for linear(B::bfoo())
50 for (int i = 0; i < 10; ++i)
51 ;
52 #pragma omp target parallel for linear(B::ib, B : C1 + C2)
53 for (int i = 0; i < 10; ++i)
54 ;
55 }
56
57 template <int L, class T, class N>
58 T test_template(T *arr, N num) {
59 N i;
60 T sum = (T)0;
61 T ind2 = -num * L; // expected-note {{'ind2' defined here}}
62 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type}}
63 #pragma omp target parallel for linear(ind2 : L)
64 for (i = 0; i < num; ++i) {
65 T cur = arr[(int)ind2];
66 ind2 += L;
67 sum += cur;
68 }
69 return T();
70 }
71
72 template <int LEN>
test_warn()73 int test_warn() {
74 int ind2 = 0;
75 // expected-warning@+1 {{zero linear step (ind2 should probably be const)}}
76 #pragma omp target parallel for linear(ind2 : LEN)
77 for (int i = 0; i < 100; i++) {
78 ind2 += LEN;
79 }
80 return ind2;
81 }
82
83 struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
84 extern S1 a;
85 class S2 {
86 mutable int a;
87
88 public:
S2()89 S2() : a(0) {}
90 };
91 const S2 b; // expected-note 2 {{'b' defined here}}
92 const S2 ba[5];
93 class S3 {
94 int a;
95
96 public:
S3()97 S3() : a(0) {}
98 };
99 const S3 ca[5];
100 class S4 {
101 int a;
102 S4();
103
104 public:
S4(int v)105 S4(int v) : a(v) {}
106 };
107 class S5 {
108 int a;
S5()109 S5() : a(0) {}
110
111 public:
S5(int v)112 S5(int v) : a(v) {}
113 };
114
115 S3 h;
116 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
117
118 template <class I, class C>
foomain(I argc,C ** argv)119 int foomain(I argc, C **argv) {
120 I e(4);
121 I g(5);
122 int i;
123 int &j = i;
124 #pragma omp target parallel for linear // expected-error {{expected '(' after 'linear'}}
125 for (int k = 0; k < argc; ++k)
126 ++k;
127 #pragma omp target parallel for linear( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
128 for (int k = 0; k < argc; ++k)
129 ++k;
130 #pragma omp target parallel for linear() // expected-error {{expected expression}}
131 for (int k = 0; k < argc; ++k)
132 ++k;
133 #pragma omp target parallel for linear(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
134 for (int k = 0; k < argc; ++k)
135 ++k;
136 #pragma omp target parallel for linear(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
137 for (int k = 0; k < argc; ++k)
138 ++k;
139 #pragma omp target parallel for linear(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
140 for (int k = 0; k < argc; ++k)
141 ++k;
142 #pragma omp target parallel for linear(argc : 5)
143 for (int k = 0; k < argc; ++k)
144 ++k;
145 #pragma omp target parallel for linear(S1) // expected-error {{'S1' does not refer to a value}}
146 for (int k = 0; k < argc; ++k)
147 ++k;
148 // expected-error@+2 {{linear variable with incomplete type 'S1'}}
149 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S2'}}
150 #pragma omp target parallel for linear(a, b : B::ib)
151 for (int k = 0; k < argc; ++k)
152 ++k;
153 #pragma omp target parallel for linear(argv[1]) // expected-error {{expected variable name}}
154 for (int k = 0; k < argc; ++k)
155 ++k;
156 #pragma omp target parallel for linear(e, g)
157 for (int k = 0; k < argc; ++k)
158 ++k;
159 #pragma omp target parallel for linear(h) // expected-error {{threadprivate or thread local variable cannot be linear}}
160 for (int k = 0; k < argc; ++k)
161 ++k;
162 #pragma omp target parallel for linear(i)
163 for (int k = 0; k < argc; ++k)
164 ++k;
165 #pragma omp parallel
166 {
167 int v = 0;
168 int i;
169 #pragma omp target parallel for linear(v : i)
170 for (int k = 0; k < argc; ++k) {
171 i = k;
172 v += i;
173 }
174 }
175 #pragma omp target parallel for linear(j)
176 for (int k = 0; k < argc; ++k)
177 ++k;
178 int v = 0;
179 #pragma omp target parallel for linear(v : j)
180 for (int k = 0; k < argc; ++k) {
181 ++k;
182 v += j;
183 }
184 #pragma omp target parallel for linear(i)
185 for (int k = 0; k < argc; ++k)
186 ++k;
187 return 0;
188 }
189
190 namespace A {
191 double x;
192 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
193 }
194 namespace C {
195 using A::x;
196 }
197
main(int argc,char ** argv)198 int main(int argc, char **argv) {
199 double darr[100];
200 // expected-note@+1 {{in instantiation of function template specialization 'test_template<-4, double, int>' requested here}}
201 test_template<-4>(darr, 4);
202 // expected-note@+1 {{in instantiation of function template specialization 'test_warn<0>' requested here}}
203 test_warn<0>();
204
205 S4 e(4); // expected-note {{'e' defined here}}
206 S5 g(5); // expected-note {{'g' defined here}}
207 int i;
208 int &j = i;
209 #pragma omp target parallel for linear // expected-error {{expected '(' after 'linear'}}
210 for (int k = 0; k < argc; ++k)
211 ++k;
212 #pragma omp target parallel for linear( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
213 for (int k = 0; k < argc; ++k)
214 ++k;
215 #pragma omp target parallel for linear() // expected-error {{expected expression}}
216 for (int k = 0; k < argc; ++k)
217 ++k;
218 #pragma omp target parallel for linear(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
219 for (int k = 0; k < argc; ++k)
220 ++k;
221 #pragma omp target parallel for linear(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
222 for (int k = 0; k < argc; ++k)
223 ++k;
224 #pragma omp target parallel for linear(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
225 for (int k = 0; k < argc; ++k)
226 ++k;
227 #pragma omp target parallel for linear(argc)
228 for (int k = 0; k < argc; ++k)
229 ++k;
230 #pragma omp target parallel for linear(S1) // expected-error {{'S1' does not refer to a value}}
231 for (int k = 0; k < argc; ++k)
232 ++k;
233 // expected-error@+2 {{linear variable with incomplete type 'S1'}}
234 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S2'}}
235 #pragma omp target parallel for linear(a, b)
236 for (int k = 0; k < argc; ++k)
237 ++k;
238 #pragma omp target parallel for linear(argv[1]) // expected-error {{expected variable name}}
239 for (int k = 0; k < argc; ++k)
240 ++k;
241 // expected-error@+2 {{argument of a linear clause should be of integral or pointer type, not 'S4'}}
242 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S5'}}
243 #pragma omp target parallel for linear(e, g)
244 for (int k = 0; k < argc; ++k)
245 ++k;
246 #pragma omp target parallel for linear(h, C::x) // expected-error 2 {{threadprivate or thread local variable cannot be linear}}
247 for (int k = 0; k < argc; ++k)
248 ++k;
249 #pragma omp parallel
250 {
251 int i;
252 #pragma omp target parallel for linear(i)
253 for (int k = 0; k < argc; ++k)
254 ++k;
255 #pragma omp target parallel for linear(i : 4)
256 for (int k = 0; k < argc; ++k) {
257 ++k;
258 i += 4;
259 }
260 }
261 #pragma omp target parallel for linear(j)
262 for (int k = 0; k < argc; ++k)
263 ++k;
264 #pragma omp target parallel for linear(i)
265 for (int k = 0; k < argc; ++k)
266 ++k;
267
268 foomain<int, char>(argc, argv); // expected-note {{in instantiation of function template specialization 'foomain<int, char>' requested here}}
269 return 0;
270 }
271
272