1 // RUN: %clang_cc1 -verify -fopenmp %s
2
3 namespace X {
4 int x;
5 };
6
7 struct B {
8 static int ib; // expected-note {{'B::ib' declared here}}
bfooB9 static int bfoo() { return 8; }
10 };
11
bfoo()12 int bfoo() { return 4; }
13
14 int z;
15 const int C1 = 1;
16 const int C2 = 2;
test_linear_colons()17 void test_linear_colons() {
18 int B = 0;
19 #pragma omp parallel for linear(B : bfoo())
20 for (int i = 0; i < 10; ++i)
21 ;
22 // expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'}}
23 #pragma omp parallel for linear(B::ib : B : bfoo())
24 for (int i = 0; i < 10; ++i)
25 ;
26 // expected-error@+1 {{use of undeclared identifier 'ib'; did you mean 'B::ib'}}
27 #pragma omp parallel for linear(B : ib)
28 for (int i = 0; i < 10; ++i)
29 ;
30 // expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'?}}
31 #pragma omp parallel for linear(z : B : ib)
32 for (int i = 0; i < 10; ++i)
33 ;
34 #pragma omp parallel for linear(B : B::bfoo())
35 for (int i = 0; i < 10; ++i)
36 ;
37 #pragma omp parallel for linear(X::x : ::z)
38 for (int i = 0; i < 10; ++i)
39 ;
40 #pragma omp parallel for linear(B, ::z, X::x)
41 for (int i = 0; i < 10; ++i)
42 ;
43 #pragma omp parallel for linear(::z)
44 for (int i = 0; i < 10; ++i)
45 ;
46 // expected-error@+1 {{expected variable name}}
47 #pragma omp parallel for linear(B::bfoo())
48 for (int i = 0; i < 10; ++i)
49 ;
50 #pragma omp parallel for linear(B::ib, B : C1 + C2)
51 for (int i = 0; i < 10; ++i)
52 ;
53 }
54
55 template <int L, class T, class N>
test_template(T * arr,N num)56 T test_template(T *arr, N num) {
57 N i;
58 T sum = (T)0;
59 T ind2 = -num * L; // expected-note {{'ind2' defined here}}
60 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type}}
61 #pragma omp parallel for linear(ind2 : L)
62 for (i = 0; i < num; ++i) {
63 T cur = arr[(int)ind2];
64 ind2 += L;
65 sum += cur;
66 }
67 return T();
68 }
69
70 template <int LEN>
test_warn()71 int test_warn() {
72 int ind2 = 0;
73 // expected-warning@+1 {{zero linear step (ind2 should probably be const)}}
74 #pragma omp parallel for linear(ind2 : LEN)
75 for (int i = 0; i < 100; i++) {
76 ind2 += LEN;
77 }
78 return ind2;
79 }
80
81 struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
82 extern S1 a;
83 class S2 {
84 mutable int a;
85
86 public:
S2()87 S2() : a(0) {}
88 };
89 const S2 b; // expected-note 2 {{'b' defined here}}
90 const S2 ba[5];
91 class S3 {
92 int a;
93
94 public:
S3()95 S3() : a(0) {}
96 };
97 const S3 ca[5];
98 class S4 {
99 int a;
100 S4();
101
102 public:
S4(int v)103 S4(int v) : a(v) {}
104 };
105 class S5 {
106 int a;
S5()107 S5() : a(0) {}
108
109 public:
S5(int v)110 S5(int v) : a(v) {}
111 };
112
113 S3 h;
114 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
115
116 template <class I, class C>
foomain(I argc,C ** argv)117 int foomain(I argc, C **argv) {
118 I e(4);
119 I g(5);
120 int i;
121 int &j = i;
122 #pragma omp parallel for linear // expected-error {{expected '(' after 'linear'}}
123 for (int k = 0; k < argc; ++k)
124 ++k;
125 #pragma omp parallel for linear( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
126 for (int k = 0; k < argc; ++k)
127 ++k;
128 #pragma omp parallel for linear() // expected-error {{expected expression}}
129 for (int k = 0; k < argc; ++k)
130 ++k;
131 #pragma omp parallel for linear(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
132 for (int k = 0; k < argc; ++k)
133 ++k;
134 #pragma omp parallel for linear(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
135 for (int k = 0; k < argc; ++k)
136 ++k;
137 #pragma omp parallel for linear(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
138 for (int k = 0; k < argc; ++k)
139 ++k;
140 #pragma omp parallel for linear(argc : 5)
141 for (int k = 0; k < argc; ++k)
142 ++k;
143 #pragma omp parallel for linear(S1) // expected-error {{'S1' does not refer to a value}}
144 for (int k = 0; k < argc; ++k)
145 ++k;
146 // expected-error@+2 {{linear variable with incomplete type 'S1'}}
147 // expected-error@+1 {{const-qualified variable cannot be linear}}
148 #pragma omp parallel for linear(a, b : B::ib)
149 for (int k = 0; k < argc; ++k)
150 ++k;
151 #pragma omp parallel for linear(argv[1]) // expected-error {{expected variable name}}
152 for (int k = 0; k < argc; ++k)
153 ++k;
154 #pragma omp parallel for linear(e, g)
155 for (int k = 0; k < argc; ++k)
156 ++k;
157 #pragma omp parallel for linear(h) // expected-error {{threadprivate or thread local variable cannot be linear}}
158 for (int k = 0; k < argc; ++k)
159 ++k;
160 #pragma omp parallel for linear(i)
161 for (int k = 0; k < argc; ++k)
162 ++k;
163 #pragma omp parallel
164 {
165 int v = 0;
166 int i;
167 #pragma omp parallel for linear(v : i)
168 for (int k = 0; k < argc; ++k) {
169 i = k;
170 v += i;
171 }
172 }
173 #pragma omp parallel for linear(j)
174 for (int k = 0; k < argc; ++k)
175 ++k;
176 int v = 0;
177 #pragma omp parallel for linear(v : j)
178 for (int k = 0; k < argc; ++k) {
179 ++k;
180 v += j;
181 }
182 #pragma omp parallel for linear(i)
183 for (int k = 0; k < argc; ++k)
184 ++k;
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 #pragma omp parallel for linear // expected-error {{expected '(' after 'linear'}}
208 for (int k = 0; k < argc; ++k)
209 ++k;
210 #pragma omp parallel for linear( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
211 for (int k = 0; k < argc; ++k)
212 ++k;
213 #pragma omp parallel for linear() // expected-error {{expected expression}}
214 for (int k = 0; k < argc; ++k)
215 ++k;
216 #pragma omp parallel for linear(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
217 for (int k = 0; k < argc; ++k)
218 ++k;
219 #pragma omp parallel for linear(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
220 for (int k = 0; k < argc; ++k)
221 ++k;
222 #pragma omp parallel for linear(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
223 for (int k = 0; k < argc; ++k)
224 ++k;
225 #pragma omp parallel for linear(argc)
226 for (int k = 0; k < argc; ++k)
227 ++k;
228 #pragma omp parallel for linear(S1) // expected-error {{'S1' does not refer to a value}}
229 for (int k = 0; k < argc; ++k)
230 ++k;
231 // expected-error@+2 {{linear variable with incomplete type 'S1'}}
232 // expected-error@+1 {{const-qualified variable cannot be linear}}
233 #pragma omp parallel for linear(a, b)
234 for (int k = 0; k < argc; ++k)
235 ++k;
236 #pragma omp parallel for linear(argv[1]) // expected-error {{expected variable name}}
237 for (int k = 0; k < argc; ++k)
238 ++k;
239 // expected-error@+2 {{argument of a linear clause should be of integral or pointer type, not 'S4'}}
240 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S5'}}
241 #pragma omp parallel for linear(e, g)
242 for (int k = 0; k < argc; ++k)
243 ++k;
244 #pragma omp parallel for linear(h, C::x) // expected-error 2 {{threadprivate or thread local variable cannot be linear}}
245 for (int k = 0; k < argc; ++k)
246 ++k;
247 #pragma omp parallel
248 {
249 int i;
250 #pragma omp parallel for linear(i)
251 for (int k = 0; k < argc; ++k)
252 ++k;
253 #pragma omp parallel for linear(i : 4)
254 for (int k = 0; k < argc; ++k) {
255 ++k;
256 i += 4;
257 }
258 }
259 #pragma omp parallel for linear(j)
260 for (int k = 0; k < argc; ++k)
261 ++k;
262 #pragma omp parallel for linear(i)
263 for (int k = 0; k < argc; ++k)
264 ++k;
265
266 foomain<int, char>(argc, argv);
267 return 0;
268 }
269
270