1 // RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
2 
3 // RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
4 
5 typedef void **omp_allocator_handle_t;
6 extern const omp_allocator_handle_t omp_default_mem_alloc;
7 extern const omp_allocator_handle_t omp_large_cap_mem_alloc;
8 extern const omp_allocator_handle_t omp_const_mem_alloc;
9 extern const omp_allocator_handle_t omp_high_bw_mem_alloc;
10 extern const omp_allocator_handle_t omp_low_lat_mem_alloc;
11 extern const omp_allocator_handle_t omp_cgroup_mem_alloc;
12 extern const omp_allocator_handle_t omp_pteam_mem_alloc;
13 extern const omp_allocator_handle_t omp_thread_mem_alloc;
14 
foo()15 void foo() {
16 }
17 
foobool(int argc)18 bool foobool(int argc) {
19   return argc;
20 }
21 
22 struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
23 extern S1 a;
24 class S2 {
25   mutable int a;
26 
27 public:
S2()28   S2() : a(0) {}
29 };
30 const S2 b;
31 const S2 ba[5];
32 class S3 {
33   int a;
34 
35 public:
S3()36   S3() : a(0) {}
37 };
38 const S3 ca[5];
39 class S4 {
40   int a;
41   S4(); // expected-note {{implicitly declared private here}}
42 
43 public:
S4(int v)44   S4(int v) : a(v) {
45 #pragma omp master taskloop private(a) private(this->a)
46     for (int k = 0; k < v; ++k)
47       ++this->a;
48   }
49 };
50 class S5 {
51   int a;
S5()52   S5() : a(0) {} // expected-note {{implicitly declared private here}}
53 
54 public:
S5(int v)55   S5(int v) : a(v) {}
operator =(S5 & s)56   S5 &operator=(S5 &s) {
57 #pragma omp master taskloop private(a) private(this->a) private(s.a) // expected-error {{expected variable name or data member of current class}}
58     for (int k = 0; k < s.a; ++k)
59       ++s.a;
60     return *this;
61   }
62 };
63 
64 template <typename T>
65 class S6 {
66 public:
67   T a;
68 
S6()69   S6() : a(0) {}
S6(T v)70   S6(T v) : a(v) {
71 #pragma omp master taskloop private(a) private(this->a) allocate(omp_thread_mem_alloc: a) // expected-warning {{allocator with the 'thread' trait access has unspecified behavior on 'master taskloop' directive}}
72     for (int k = 0; k < v; ++k)
73       ++this->a;
74   }
operator =(S6 & s)75   S6 &operator=(S6 &s) {
76 #pragma omp master taskloop private(a) private(this->a) private(s.a) // expected-error {{expected variable name or data member of current class}}
77     for (int k = 0; k < s.a; ++k)
78       ++s.a;
79     return *this;
80   }
81 };
82 
83 template <typename T>
84 class S7 : public T {
85   T a;
S7()86   S7() : a(0) {}
87 
88 public:
S7(T v)89   S7(T v) : a(v) {
90 #pragma omp master taskloop private(a) private(this->a) private(T::a)
91     for (int k = 0; k < a.a; ++k)
92       ++this->a.a;
93   }
operator =(S7 & s)94   S7 &operator=(S7 &s) {
95 #pragma omp master taskloop private(a) private(this->a) private(s.a) private(s.T::a) // expected-error 2 {{expected variable name or data member of current class}}
96     for (int k = 0; k < s.a.a; ++k)
97       ++s.a.a;
98     return *this;
99   }
100 };
101 
102 S3 h;
103 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
104 
105 template <class I, class C>
foomain(I argc,C ** argv)106 int foomain(I argc, C **argv) {
107   I e(4);
108   I g(5);
109   int i, z;
110   int &j = i;
111 #pragma omp master taskloop private // expected-error {{expected '(' after 'private'}}
112   for (int k = 0; k < argc; ++k)
113     ++k;
114 #pragma omp master taskloop private( // 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 master taskloop private() // expected-error {{expected expression}}
118   for (int k = 0; k < argc; ++k)
119     ++k;
120 #pragma omp master taskloop private(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
121   for (int k = 0; k < argc; ++k)
122     ++k;
123 #pragma omp master taskloop private(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
124   for (int k = 0; k < argc; ++k)
125     ++k;
126 #pragma omp master taskloop private(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
127   for (int k = 0; k < argc; ++k)
128     ++k;
129 #pragma omp master taskloop 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 '('}}
130   for (int k = 0; k < argc; ++k)
131     ++k;
132 #pragma omp master taskloop private(S1) // expected-error {{'S1' does not refer to a value}}
133   for (int k = 0; k < argc; ++k)
134     ++k;
135 #pragma omp master taskloop private(a, b) // expected-error {{private variable with incomplete type 'S1'}}
136   for (int k = 0; k < argc; ++k)
137     ++k;
138 #pragma omp master taskloop private(argv[1]) // expected-error {{expected variable name}}
139   for (int k = 0; k < argc; ++k)
140     ++k;
141 #pragma omp master taskloop private(e, g, z)
142   for (int k = 0; k < argc; ++k)
143     ++k;
144 #pragma omp master taskloop private(h) // expected-error {{threadprivate or thread local variable cannot be private}}
145   for (int k = 0; k < argc; ++k)
146     ++k;
147 #pragma omp master taskloop shared(i)
148   for (int k = 0; k < argc; ++k)
149     ++k;
150 #pragma omp parallel
151   {
152     int v = 0;
153     int i;
154 #pragma omp master taskloop private(i)
155     for (int k = 0; k < argc; ++k) {
156       i = k;
157       v += i;
158     }
159   }
160 #pragma omp parallel shared(i)
161 #pragma omp parallel private(i)
162 #pragma omp master taskloop private(j)
163   for (int k = 0; k < argc; ++k)
164     ++k;
165 #pragma omp master taskloop private(i)
166   for (int k = 0; k < argc; ++k)
167     ++k;
168   return 0;
169 }
170 
bar(S4 a[2])171 void bar(S4 a[2]) {
172 #pragma omp parallel
173 #pragma omp master taskloop private(a)
174   for (int i = 0; i < 2; ++i)
175     foo();
176 }
177 
178 namespace A {
179 double x;
180 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
181 }
182 namespace B {
183 using A::x;
184 }
185 
main(int argc,char ** argv)186 int main(int argc, char **argv) {
187   S4 e(4);
188   S5 g(5);
189   S6<float> s6(0.0) , s6_0(1.0); // expected-note {{in instantiation of member function 'S6<float>::S6' requested here}}
190   S7<S6<float> > s7(0.0) , s7_0(1.0);
191   int i, z;
192   int &j = i;
193 #pragma omp master taskloop private // expected-error {{expected '(' after 'private'}}
194   for (int k = 0; k < argc; ++k)
195     ++k;
196 #pragma omp master taskloop private( // 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 master taskloop private() // expected-error {{expected expression}}
200   for (int k = 0; k < argc; ++k)
201     ++k;
202 #pragma omp master taskloop private(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
203   for (int k = 0; k < argc; ++k)
204     ++k;
205 #pragma omp master taskloop private(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
206   for (int k = 0; k < argc; ++k)
207     ++k;
208 #pragma omp master taskloop private(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
209   for (int k = 0; k < argc; ++k)
210     ++k;
211 #pragma omp master taskloop private(argc)
212   for (int k = 0; k < argc; ++k)
213     ++k;
214 #pragma omp master taskloop private(S1) // expected-error {{'S1' does not refer to a value}}
215   for (int k = 0; k < argc; ++k)
216     ++k;
217 #pragma omp master taskloop private(a, b) // expected-error {{private variable with incomplete type 'S1'}}
218   for (int k = 0; k < argc; ++k)
219     ++k;
220 #pragma omp master taskloop private(argv[1]) // expected-error {{expected variable name}}
221   for (int k = 0; k < argc; ++k)
222     ++k;
223 #pragma omp master taskloop private(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
224   for (int k = 0; k < argc; ++k)
225     ++k;
226 #pragma omp master taskloop private(h) // expected-error {{threadprivate or thread local variable cannot be private}}
227   for (int k = 0; k < argc; ++k)
228     ++k;
229 #pragma omp master taskloop private(B::x) // expected-error {{threadprivate or thread local variable cannot be private}}
230   for (int k = 0; k < argc; ++k)
231     ++k;
232 #pragma omp master taskloop shared(i)
233   for (int k = 0; k < argc; ++k)
234     ++k;
235 #pragma omp parallel
236   {
237     int i;
238 #pragma omp master taskloop private(i)
239     for (int k = 0; k < argc; ++k)
240       ++k;
241   }
242 #pragma omp parallel shared(i)
243 #pragma omp parallel private(i)
244 #pragma omp master taskloop private(j)
245   for (int k = 0; k < argc; ++k)
246     ++k;
247 #pragma omp master taskloop private(i, z)
248   for (int k = 0; k < argc; ++k)
249     ++k;
250   static int si;
251 #pragma omp master taskloop private(si) // OK
252   for(int k = 0; k < argc; ++k)
253     si = k + 1;
254 
255   s6 = s6_0; // expected-note {{in instantiation of member function 'S6<float>::operator=' requested here}}
256   s7 = s7_0; // expected-note {{in instantiation of member function 'S7<S6<float> >::operator=' requested here}}
257   return foomain(argc, argv); // expected-note {{in instantiation of function template specialization 'foomain<int, char>' requested here}}
258 }
259 
260