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;
foo()6 void foo() {
7 }
8
foobool(int argc)9 bool foobool(int argc) {
10 return argc;
11 }
12
13 struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
14 extern S1 a;
15 class S2 {
16 mutable int a;
17
18 public:
S2()19 S2() : a(0) {}
20 };
21 const S2 b;
22 const S2 ba[5];
23 class S3 {
24 int a;
25
26 public:
S3()27 S3() : a(0) {}
28 };
29 const S3 ca[5];
30 class S4 {
31 int a;
32 S4(); // expected-note {{implicitly declared private here}}
33
34 public:
S4(int v)35 S4(int v) : a(v) {
36 #pragma omp for private(a) private(this->a)
37 for (int k = 0; k < v; ++k)
38 ++this->a;
39 }
40 };
41 class S5 {
42 int a;
S5()43 S5() : a(0) {} // expected-note {{implicitly declared private here}}
44
45 public:
S5(int v)46 S5(int v) : a(v) {}
operator =(S5 & s)47 S5 &operator=(S5 &s) {
48 #pragma omp for private(a) private(this->a) private(s.a) // expected-error {{expected variable name or data member of current class}}
49 for (int k = 0; k < s.a; ++k)
50 ++s.a;
51 return *this;
52 }
53 };
54
55 template <typename T>
56 class S6 {
57 public:
58 T a;
59
S6()60 S6() : a(0) {}
S6(T v)61 S6(T v) : a(v) {
62 #pragma omp for private(a) private(this->a)
63 for (int k = 0; k < v; ++k)
64 ++this->a;
65 }
operator =(S6 & s)66 S6 &operator=(S6 &s) {
67 #pragma omp for private(a) private(this->a) private(s.a) // expected-error {{expected variable name or data member of current class}}
68 for (int k = 0; k < s.a; ++k)
69 ++s.a;
70 return *this;
71 }
72 };
73
74 template <typename T>
75 class S7 : public T {
76 T a;
S7()77 S7() : a(0) {}
78
79 public:
S7(T v)80 S7(T v) : a(v) {
81 #pragma omp for private(a) private(this->a) private(T::a)
82 for (int k = 0; k < a.a; ++k)
83 ++this->a.a;
84 }
operator =(S7 & s)85 S7 &operator=(S7 &s) {
86 #pragma omp for private(a) private(this->a) private(s.a) private(s.T::a) // expected-error 2 {{expected variable name or data member of current class}}
87 for (int k = 0; k < s.a.a; ++k)
88 ++s.a.a;
89 return *this;
90 }
91 };
92
93 S3 h;
94 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
95
96 template <class I, class C>
foomain(I argc,C ** argv)97 int foomain(I argc, C **argv) {
98 I e(4);
99 I g(5);
100 int i;
101 int &j = i;
102 #pragma omp for private // expected-error {{expected '(' after 'private'}}
103 for (int k = 0; k < argc; ++k)
104 ++k;
105 #pragma omp for private( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
106 for (int k = 0; k < argc; ++k)
107 ++k;
108 #pragma omp for private() // expected-error {{expected expression}}
109 for (int k = 0; k < argc; ++k)
110 ++k;
111 #pragma omp for private(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
112 for (int k = 0; k < argc; ++k)
113 ++k;
114 #pragma omp for private(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
115 for (int k = 0; k < argc; ++k)
116 ++k;
117 #pragma omp for private(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
118 for (int k = 0; k < argc; ++k)
119 ++k;
120 #pragma omp for private(argc) 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 '('}}
121 for (int k = 0; k < argc; ++k)
122 ++k;
123 #pragma omp for private(S1) // expected-error {{'S1' does not refer to a value}}
124 for (int k = 0; k < argc; ++k)
125 ++k;
126 #pragma omp for private(a, b) // expected-error {{private variable with incomplete type 'S1'}}
127 for (int k = 0; k < argc; ++k)
128 ++k;
129 #pragma omp for private(argv[1]) // expected-error {{expected variable name}}
130 for (int k = 0; k < argc; ++k)
131 ++k;
132 #pragma omp for private(e, g)
133 for (int k = 0; k < argc; ++k)
134 ++k;
135 #pragma omp for private(h) // expected-error {{threadprivate or thread local variable cannot be private}}
136 for (int k = 0; k < argc; ++k)
137 ++k;
138 #pragma omp for shared(i) // expected-error {{unexpected OpenMP clause 'shared' in directive '#pragma omp for'}}
139 for (int k = 0; k < argc; ++k)
140 ++k;
141 #pragma omp parallel
142 {
143 int v = 0;
144 int i;
145 #pragma omp for private(i)
146 for (int k = 0; k < argc; ++k) {
147 i = k;
148 v += i;
149 }
150 }
151 #pragma omp parallel shared(i)
152 #pragma omp parallel private(i)
153 #pragma omp for private(j)
154 for (int k = 0; k < argc; ++k)
155 ++k;
156 #pragma omp for private(i)
157 for (int k = 0; k < argc; ++k)
158 ++k;
159 return 0;
160 }
161
bar(S4 a[2])162 void bar(S4 a[2]) {
163 #pragma omp parallel
164 #pragma omp for private(a)
165 for (int i = 0; i < 2; ++i)
166 foo();
167 }
168
169 namespace A {
170 double x;
171 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
172 }
173 namespace B {
174 using A::x;
175 }
176
main(int argc,char ** argv)177 int main(int argc, char **argv) {
178 S4 e(4);
179 S5 g(5);
180 S6<float> s6(0.0) , s6_0(1.0);
181 S7<S6<float> > s7(0.0) , s7_0(1.0);
182 int i;
183 int &j = i;
184 #pragma omp for private // expected-error {{expected '(' after 'private'}}
185 for (int k = 0; k < argc; ++k)
186 ++k;
187 #pragma omp for private( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
188 for (int k = 0; k < argc; ++k)
189 ++k;
190 #pragma omp for private() // expected-error {{expected expression}}
191 for (int k = 0; k < argc; ++k)
192 ++k;
193 #pragma omp for private(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
194 for (int k = 0; k < argc; ++k)
195 ++k;
196 #pragma omp for private(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
197 for (int k = 0; k < argc; ++k)
198 ++k;
199 #pragma omp for private(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
200 for (int k = 0; k < argc; ++k)
201 ++k;
202 #pragma omp for private(argc)
203 for (int k = 0; k < argc; ++k)
204 ++k;
205 #pragma omp for private(S1) // expected-error {{'S1' does not refer to a value}}
206 for (int k = 0; k < argc; ++k)
207 ++k;
208 #pragma omp for private(a, b) // expected-error {{private variable with incomplete type 'S1'}}
209 for (int k = 0; k < argc; ++k)
210 ++k;
211 #pragma omp for private(argv[1]) // expected-error {{expected variable name}}
212 for (int k = 0; k < argc; ++k)
213 ++k;
214 #pragma omp for private(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
215 for (int k = 0; k < argc; ++k)
216 ++k;
217 #pragma omp for private(h) // expected-error {{threadprivate or thread local variable cannot be private}}
218 for (int k = 0; k < argc; ++k)
219 ++k;
220 #pragma omp for private(B::x) // expected-error {{threadprivate or thread local variable cannot be private}}
221 for (int k = 0; k < argc; ++k)
222 ++k;
223 #pragma omp for shared(i) // expected-error {{unexpected OpenMP clause 'shared' in directive '#pragma omp for'}}
224 for (int k = 0; k < argc; ++k)
225 ++k;
226 #pragma omp parallel
227 {
228 int i;
229 #pragma omp for private(i)
230 for (int k = 0; k < argc; ++k)
231 ++k;
232 }
233 #pragma omp parallel shared(i)
234 #pragma omp parallel private(i)
235 #pragma omp for private(j)
236 for (int k = 0; k < argc; ++k)
237 ++k;
238 #pragma omp for private(i)
239 for (int k = 0; k < argc; ++k)
240 ++k;
241 static int si;
242 #pragma omp for private(si) // OK
243 for(int k = 0; k < argc; ++k)
244 si = k + 1;
245
246 s6 = s6_0; // expected-note {{in instantiation of member function 'S6<float>::operator=' requested here}}
247 s7 = s7_0; // expected-note {{in instantiation of member function 'S7<S6<float>>::operator=' requested here}}
248 return foomain(argc, argv); // expected-note {{in instantiation of function template specialization 'foomain<int, char>' requested here}}
249 }
250
251