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;
6
xxx(int argc)7 void xxx(int argc) {
8 int i, lin, step; // expected-note {{initialize the variable 'lin' to silence this warning}} expected-note {{initialize the variable 'step' to silence this warning}}
9 #pragma omp for simd linear(i, lin : step) // expected-warning {{variable 'lin' is uninitialized when used here}} 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 #pragma omp for simd linear(B:bfoo())
32 for (int i = 0; i < 10; ++i) ;
33 // expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'}}
34 #pragma omp for simd linear(B::ib:B:bfoo())
35 for (int i = 0; i < 10; ++i) ;
36 // expected-error@+1 {{use of undeclared identifier 'ib'; did you mean 'B::ib'}}
37 #pragma omp for simd linear(B:ib)
38 for (int i = 0; i < 10; ++i) ;
39 // expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'?}}
40 #pragma omp for simd linear(z:B:ib)
41 for (int i = 0; i < 10; ++i) ;
42 #pragma omp for simd linear(B:B::bfoo())
43 for (int i = 0; i < 10; ++i) ;
44 #pragma omp for simd linear(X::x : ::z)
45 for (int i = 0; i < 10; ++i) ;
46 #pragma omp for simd linear(B,::z, X::x)
47 for (int i = 0; i < 10; ++i) ;
48 #pragma omp for simd linear(::z)
49 for (int i = 0; i < 10; ++i) ;
50 // expected-error@+1 {{expected variable name}}
51 #pragma omp for simd linear(B::bfoo())
52 for (int i = 0; i < 10; ++i) ;
53 #pragma omp for simd linear(B::ib,B:C1+C2)
54 for (int i = 0; i < 10; ++i) ;
55 }
56
57 template<int L, class T, class N> T test_template(T* arr, N num) {
58 N i;
59 T sum = (T)0;
60 T ind2 = - num * L; // expected-note {{'ind2' defined here}}
61 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type}}
62 #pragma omp for simd linear(ind2:L)
63 for (i = 0; i < num; ++i) {
64 T cur = arr[(int)ind2];
65 ind2 += L;
66 sum += cur;
67 }
68 return T();
69 }
70
test_warn()71 template<int LEN> int test_warn() {
72 int ind2 = 0;
73 // expected-warning@+1 {{zero linear step (ind2 should probably be const)}}
74 #pragma omp for simd 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 public:
S2()86 S2():a(0) { }
87 };
88 const S2 b; // expected-note 2 {{'b' defined here}}
89 const S2 ba[5];
90 class S3 {
91 int a;
92 public:
S3()93 S3():a(0) { }
94 };
95 const S3 ca[5];
96 class S4 {
97 int a;
98 S4();
99 public:
S4(int v)100 S4(int v):a(v) { }
101 };
102 class S5 {
103 int a;
S5()104 S5():a(0) {}
105 public:
S5(int v)106 S5(int v):a(v) { }
107 };
108
109 S3 h;
110 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
111
foomain(I argc,C ** argv)112 template<class I, class C> int foomain(I argc, C **argv) {
113 I e(4);
114 I g(5);
115 int i;
116 int &j = i;
117 #pragma omp for simd linear // expected-error {{expected '(' after 'linear'}}
118 for (int k = 0; k < argc; ++k) ++k;
119 #pragma omp for simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
120 for (int k = 0; k < argc; ++k) ++k;
121 #pragma omp for simd linear () // expected-error {{expected expression}}
122 for (int k = 0; k < argc; ++k) ++k;
123 #pragma omp for simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
124 for (int k = 0; k < argc; ++k) ++k;
125 #pragma omp for simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
126 for (int k = 0; k < argc; ++k) ++k;
127 #pragma omp for simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
128 for (int k = 0; k < argc; ++k) ++k;
129 #pragma omp 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 '('}}
130 for (int k = 0; k < argc; ++k) ++k;
131 #pragma omp for simd linear (S1) // expected-error {{'S1' does not refer to a value}}
132 for (int k = 0; k < argc; ++k) ++k;
133 // expected-error@+2 {{linear variable with incomplete type 'S1'}}
134 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S2'}}
135 #pragma omp for simd linear (a, b:B::ib)
136 for (int k = 0; k < argc; ++k) ++k;
137 #pragma omp for simd linear (argv[1]) // expected-error {{expected variable name}}
138 for (int k = 0; k < argc; ++k) ++k;
139 #pragma omp for simd linear(e, g)
140 for (int k = 0; k < argc; ++k) ++k;
141 #pragma omp for simd linear(h) // expected-error {{threadprivate or thread local variable cannot be linear}}
142 for (int k = 0; k < argc; ++k) ++k;
143 #pragma omp for simd linear(i)
144 for (int k = 0; k < argc; ++k) ++k;
145 #pragma omp parallel
146 {
147 int v = 0;
148 long z;
149 int i;
150 #pragma omp for simd linear(z, v:i)
151 for (int k = 0; k < argc; ++k) { i = k; v += i; }
152 }
153 #pragma omp for simd linear(j)
154 for (int k = 0; k < argc; ++k) ++k;
155 int v = 0;
156 #pragma omp for simd linear(v:j)
157 for (int k = 0; k < argc; ++k) { ++k; v += j; }
158 #pragma omp for simd linear(i)
159 for (int k = 0; k < argc; ++k) ++k;
160 return 0;
161 }
162
163 namespace A {
164 double x;
165 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
166 }
167 namespace C {
168 using A::x;
169 }
170
main(int argc,char ** argv)171 int main(int argc, char **argv) {
172 double darr[100];
173 // expected-note@+1 {{in instantiation of function template specialization 'test_template<-4, double, int>' requested here}}
174 test_template<-4>(darr, 4);
175 // expected-note@+1 {{in instantiation of function template specialization 'test_warn<0>' requested here}}
176 test_warn<0>();
177
178 S4 e(4); // expected-note {{'e' defined here}}
179 S5 g(5); // expected-note {{'g' defined here}}
180 int i;
181 int &j = i;
182 #pragma omp for simd linear // expected-error {{expected '(' after 'linear'}}
183 for (int k = 0; k < argc; ++k) ++k;
184 #pragma omp for simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
185 for (int k = 0; k < argc; ++k) ++k;
186 #pragma omp for simd linear () // expected-error {{expected expression}}
187 for (int k = 0; k < argc; ++k) ++k;
188 #pragma omp for simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
189 for (int k = 0; k < argc; ++k) ++k;
190 #pragma omp for simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
191 for (int k = 0; k < argc; ++k) ++k;
192 #pragma omp for simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
193 for (int k = 0; k < argc; ++k) ++k;
194 #pragma omp for simd linear (argc)
195 for (int k = 0; k < argc; ++k) ++k;
196 #pragma omp for simd linear (S1) // expected-error {{'S1' does not refer to a value}}
197 for (int k = 0; k < argc; ++k) ++k;
198 // expected-error@+2 {{linear variable with incomplete type 'S1'}}
199 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S2'}}
200 #pragma omp for simd linear(a, b)
201 for (int k = 0; k < argc; ++k) ++k;
202 #pragma omp for simd linear (argv[1]) // expected-error {{expected variable name}}
203 for (int k = 0; k < argc; ++k) ++k;
204 // expected-error@+2 {{argument of a linear clause should be of integral or pointer type, not 'S4'}}
205 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S5'}}
206 #pragma omp for simd linear(e, g)
207 for (int k = 0; k < argc; ++k) ++k;
208 #pragma omp for simd linear(h, C::x) // expected-error 2 {{threadprivate or thread local variable cannot be linear}}
209 for (int k = 0; k < argc; ++k) ++k;
210 #pragma omp parallel
211 {
212 int i;
213 #pragma omp for simd linear(i : i)
214 for (int k = 0; k < argc; ++k) ++k;
215 #pragma omp for simd linear(i : 4)
216 for (int k = 0; k < argc; ++k) { ++k; i += 4; }
217 }
218 #pragma omp for simd linear(j)
219 for (int k = 0; k < argc; ++k) ++k;
220 #pragma omp for simd linear(i)
221 for (int k = 0; k < argc; ++k) ++k;
222
223 foomain<int,char>(argc,argv); // expected-note {{in instantiation of function template specialization 'foomain<int, char>' requested here}}
224 return 0;
225 }
226
227