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 single 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 single 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 single 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 single 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 single 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 single 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 single private // expected-error {{expected '(' after 'private'}}
103 foo();
104 #pragma omp single private( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
105 foo();
106 #pragma omp single private() // expected-error {{expected expression}}
107 foo();
108 #pragma omp single private(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
109 foo();
110 #pragma omp single private(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
111 foo();
112 #pragma omp single private(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
113 foo();
114 #pragma omp single 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 '('}}
115 foo();
116 #pragma omp single private(S1) // expected-error {{'S1' does not refer to a value}}
117 foo();
118 #pragma omp single private(a, b) // expected-error {{private variable with incomplete type 'S1'}}
119 foo();
120 #pragma omp single private(argv[1]) // expected-error {{expected variable name}}
121 foo();
122 #pragma omp single private(e, g)
123 foo();
124 #pragma omp single private(h) // expected-error {{threadprivate or thread local variable cannot be private}}
125 foo();
126 #pragma omp single shared(i) // expected-error {{unexpected OpenMP clause 'shared' in directive '#pragma omp single'}}
127 foo();
128 #pragma omp parallel
129 {
130 int v = 0;
131 int i;
132 #pragma omp single private(i)
133 foo();
134 v += i;
135 }
136 #pragma omp parallel shared(i)
137 #pragma omp parallel private(i)
138 #pragma omp single private(j)
139 foo();
140 #pragma omp single private(i)
141 foo();
142 return 0;
143 }
144
145 namespace A {
146 double x;
147 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
148 }
149 namespace B {
150 using A::x;
151 }
152
main(int argc,char ** argv)153 int main(int argc, char **argv) {
154 S4 e(4);
155 S5 g(5);
156 S6<float> s6(0.0) , s6_0(1.0);
157 S7<S6<float> > s7(0.0) , s7_0(1.0);
158 int i;
159 int &j = i;
160 #pragma omp single private // expected-error {{expected '(' after 'private'}}
161 foo();
162 #pragma omp single private( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
163 foo();
164 #pragma omp single private() // expected-error {{expected expression}}
165 foo();
166 #pragma omp single private(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
167 foo();
168 #pragma omp single private(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
169 foo();
170 #pragma omp single private(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
171 foo();
172 #pragma omp single private(argc)
173 foo();
174 #pragma omp single private(S1) // expected-error {{'S1' does not refer to a value}}
175 foo();
176 #pragma omp single private(a, b) // expected-error {{private variable with incomplete type 'S1'}}
177 foo();
178 #pragma omp single private(argv[1]) // expected-error {{expected variable name}}
179 foo();
180 #pragma omp single private(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
181 foo();
182 #pragma omp single private(h, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be private}}
183 foo();
184 #pragma omp single shared(i) // expected-error {{unexpected OpenMP clause 'shared' in directive '#pragma omp single'}}
185 foo();
186 #pragma omp parallel
187 {
188 int i;
189 #pragma omp single private(i)
190 foo();
191 }
192 #pragma omp parallel shared(i)
193 #pragma omp parallel private(i)
194 #pragma omp single private(j)
195 foo();
196 #pragma omp single private(i)
197 foo();
198 static int m;
199 #pragma omp single private(m) // OK
200 foo();
201
202 s6 = s6_0; // expected-note {{in instantiation of member function 'S6<float>::operator=' requested here}}
203 s7 = s7_0; // expected-note {{in instantiation of member function 'S7<S6<float>>::operator=' requested here}}
204 return foomain(argc, argv); // expected-note {{in instantiation of function template specialization 'foomain<int, char>' requested here}}
205 }
206
207