1 // RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
2 
3 // RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
4 
5 #pragma omp requires dynamic_allocators
6 typedef void **omp_allocator_handle_t;
7 extern const omp_allocator_handle_t omp_null_allocator;
8 extern const omp_allocator_handle_t omp_default_mem_alloc;
9 extern const omp_allocator_handle_t omp_large_cap_mem_alloc;
10 extern const omp_allocator_handle_t omp_const_mem_alloc;
11 extern const omp_allocator_handle_t omp_high_bw_mem_alloc;
12 extern const omp_allocator_handle_t omp_low_lat_mem_alloc;
13 extern const omp_allocator_handle_t omp_cgroup_mem_alloc;
14 extern const omp_allocator_handle_t omp_pteam_mem_alloc;
15 extern const omp_allocator_handle_t omp_thread_mem_alloc;
16 
17 struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
18 extern S1 a;
19 class S2 {
20   mutable int a;
21 
22 public:
S2()23   S2() : a(0) {}
24 };
25 const S2 b;
26 const S2 ba[5];
27 class S3 {
28   int a;
29 
30 public:
S3()31   S3() : a(0) {}
32 };
33 const S3 ca[5];
34 class S4 {
35   int a;
36   S4(); // expected-note {{implicitly declared private here}}
37 
38 public:
S4(int v)39   S4(int v) : a(v) {
40 #pragma omp target private(a) private(this->a)
41     for (int k = 0; k < v; ++k)
42       ++this->a;
43   }
44 };
45 class S5 {
46   int a;
S5()47   S5() : a(0) {} // expected-note {{implicitly declared private here}}
48 
49 public:
S5(int v)50   S5(int v) : a(v) {}
operator =(S5 & s)51   S5 &operator=(S5 &s) {
52 #pragma omp target private(a) private(this->a) private(s.a) // expected-error {{expected variable name or data member of current class}}
53     for (int k = 0; k < s.a; ++k) // expected-warning {{Type 'S5' is not trivially copyable and not guaranteed to be mapped correctly}}
54       ++s.a;
55     return *this;
56   }
57 };
58 
59 template <typename T>
60 class S6 {
61 public:
62   T a;
63 
S6()64   S6() : a(0) {}
S6(T v)65   S6(T v) : a(v) {
66 #pragma omp target private(a) private(this->a) allocate(omp_thread_mem_alloc: a) // expected-warning {{allocator with the 'thread' trait access has unspecified behavior on 'target' directive}}
67     for (int k = 0; k < v; ++k)
68       ++this->a;
69   }
operator =(S6 & s)70   S6 &operator=(S6 &s) {
71 #pragma omp target private(a) private(this->a) private(s.a) // expected-error {{expected variable name or data member of current class}}
72     for (int k = 0; k < s.a; ++k)
73       ++s.a;
74     return *this;
75   }
76 };
77 
78 template <typename T>
79 class S7 : public T {
80   T a;
S7()81   S7() : a(0) {}
82 
83 public:
S7(T v)84   S7(T v) : a(v) {
85 #pragma omp target private(a) private(this->a) private(T::a)
86     for (int k = 0; k < a.a; ++k)
87       ++this->a.a;
88   }
operator =(S7 & s)89   S7 &operator=(S7 &s) {
90 #pragma omp target private(a) private(this->a) private(s.a) private(s.T::a) // expected-error 2 {{expected variable name or data member of current class}}
91     for (int k = 0; k < s.a.a; ++k)
92       ++s.a.a;
93     return *this;
94   }
95 };
96 
97 S3 h;
98 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
99 
100 template <class I, class C>
foomain(I argc,C ** argv)101 int foomain(I argc, C **argv) {
102   I e(4);
103   I g(5);
104   int i;
105   int &j = i;
106 #pragma omp target private // expected-error {{expected '(' after 'private'}}
107 {}
108 #pragma omp target private( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
109 {}
110 #pragma omp target private() // expected-error {{expected expression}}
111 {}
112 #pragma omp target private(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
113 {}
114 #pragma omp target private(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
115 {}
116 #pragma omp target private(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
117 {}
118 #pragma omp target 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 '('}}
119 {}
120 #pragma omp target private(S1) // expected-error {{'S1' does not refer to a value}}
121 {}
122 #pragma omp target private(a, b) // expected-error {{private variable with incomplete type 'S1'}}
123 {}
124 #pragma omp target private(argv[1]) // expected-error {{expected variable name}}
125 {}
126 #pragma omp target private(e, g)
127 {}
128 #pragma omp target private(h) // expected-error {{threadprivate or thread local variable cannot be private}}
129 {}
130 #pragma omp target shared(i) // expected-error {{unexpected OpenMP clause 'shared' in directive '#pragma omp target'}}
131 #pragma omp parallel
132   {
133     int v = 0;
134     int i;
135   }
136 #pragma omp parallel shared(i)
137 #pragma omp parallel private(i)
138 #pragma omp target private(j)
139 {}
140 #pragma omp target private(i)
141   {}
142   return 0;
143 }
144 
bar(S4 a[2])145 void bar(S4 a[2]) {
146 #pragma omp parallel
147 #pragma omp target private(a)
148   {}
149 }
150 
151 namespace A {
152 double x;
153 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
154 }
155 namespace B {
156 using A::x;
157 }
158 
main(int argc,char ** argv)159 int main(int argc, char **argv) {
160   S4 e(4);
161   S5 g(5);
162   S6<float> s6(0.0) , s6_0(1.0); // expected-note {{in instantiation of member function 'S6<float>::S6' requested here}}
163   S7<S6<float> > s7(0.0) , s7_0(1.0);
164   int i;
165   int &j = i;
166 #pragma omp target private // expected-error {{expected '(' after 'private'}}
167 {}
168 #pragma omp target private( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
169 {}
170 #pragma omp target private() // expected-error {{expected expression}}
171 {}
172 #pragma omp target private(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
173 {}
174 #pragma omp target private(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
175 {}
176 #pragma omp target private(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
177 {}
178 #pragma omp target private(argc)
179 {}
180 #pragma omp target private(S1) // expected-error {{'S1' does not refer to a value}}
181 {}
182 #pragma omp target private(a, b) // expected-error {{private variable with incomplete type 'S1'}}
183 {}
184 #pragma omp target private(argv[1]) // expected-error {{expected variable name}}
185 {}
186 #pragma omp target private(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
187 {}
188 #pragma omp target private(h) // expected-error {{threadprivate or thread local variable cannot be private}}
189 {}
190 #pragma omp target private(B::x) // expected-error {{threadprivate or thread local variable cannot be private}}
191 {}
192 #pragma omp target shared(i) // expected-error {{unexpected OpenMP clause 'shared' in directive '#pragma omp target'}}
193 #pragma omp parallel
194   {
195     int i;
196   }
197 #pragma omp parallel shared(i)
198 #pragma omp parallel private(i)
199 #pragma omp target private(j)
200 {}
201 #pragma omp target private(i)
202   {}
203   static int si;
204 #pragma omp target private(si) // OK
205   {}
206 #pragma omp target map(i) private(i) // expected-error {{private variable cannot be in a map clause in '#pragma omp target' directive}}
207   {}
208   s6 = s6_0; // expected-note {{in instantiation of member function 'S6<float>::operator=' requested here}}
209   s7 = s7_0; // expected-note {{in instantiation of member function 'S7<S6<float>>::operator=' requested here}}
210   return foomain(argc, argv); // expected-note {{in instantiation of function template specialization 'foomain<int, char>' requested here}}
211 }
212 
213