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