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