1 // RUN: %clang_cc1 -verify -fopenmp -ferror-limit 100 %s -Wuninitialized
2 
3 // RUN: %clang_cc1 -verify -fopenmp-simd -ferror-limit 100 %s -Wuninitialized
4 
5 typedef void **omp_allocator_handle_t;
6 extern const omp_allocator_handle_t omp_null_allocator;
7 extern const omp_allocator_handle_t omp_default_mem_alloc;
8 extern const omp_allocator_handle_t omp_large_cap_mem_alloc;
9 extern const omp_allocator_handle_t omp_const_mem_alloc;
10 extern const omp_allocator_handle_t omp_high_bw_mem_alloc;
11 extern const omp_allocator_handle_t omp_low_lat_mem_alloc;
12 extern const omp_allocator_handle_t omp_cgroup_mem_alloc;
13 extern const omp_allocator_handle_t omp_pteam_mem_alloc;
14 extern const omp_allocator_handle_t omp_thread_mem_alloc;
15 
16 void foo() {
17 }
18 
19 bool foobool(int argc) {
20   return argc;
21 }
22 
23 void xxx(int argc) {
24   int fp, fp1; // expected-note {{initialize the variable 'fp' to silence this warning}} expected-note {{initialize the variable 'fp1' to silence this warning}}
25 #pragma omp task firstprivate(fp) // expected-warning {{variable 'fp' is uninitialized when used here}}
26   for (int i = 0; i < 10; ++i)
27     ++fp1; // expected-warning {{variable 'fp1' is uninitialized when used here}}
28 }
29 
30 template <typename T>
31 struct S {
32   T b;
33   S(T a, T c) {
34 #pragma omp task default(none) firstprivate(a, b) // expected-note {{explicit data sharing attribute requested here}}
35     a = b = c; // expected-error {{variable 'c' must have explicitly specified data sharing attributes}}
36   }
37 };
38 
39 S<int> s(3, 4); // expected-note {{in instantiation of member function 'S<int>::S' requested here}}
40 
41 struct S1; // expected-note {{declared here}} expected-note{{forward declaration of 'S1'}}
42 extern S1 a;
43 class S2 {
44   mutable int a;
45 
46 public:
47   S2() : a(0) {}
48   S2(const S2 &s2) : a(s2.a) {}
49   static float S2s;
50   static const float S2sc;
51 };
52 const float S2::S2sc = 0;
53 const S2 b;
54 const S2 ba[5];
55 class S3 {
56   int a;
57 
58 public:
59   S3() : a(0) {}
60   S3(const S3 &s3) : a(s3.a) {}
61 };
62 const S3 c;
63 const S3 ca[5];
64 extern const int f;
65 class S4 {
66   int a;
67   S4();
68   S4(const S4 &s4); // expected-note 16 {{implicitly declared private here}}
69 
70 public:
71   S4(int v) : a(v) {}
72 };
73 class S5 {
74   int a;
75   S5() : a(0) {}
76   S5(const S5 &s5) : a(s5.a) {} // expected-note 16 {{implicitly declared private here}}
77 
78 public:
79   S5(int v) : a(v) {}
80 };
81 
82 S3 h;
83 #pragma omp threadprivate(h) // expected-note {{defined as threadprivate or thread local}}
84 
85 void bar(int n, int b[n]) {
86 #pragma omp task firstprivate(b)
87     foo();
88 }
89 
90 namespace A {
91 double x;
92 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
93 }
94 namespace B {
95 using A::x;
96 }
97 
98 int main(int argc, char **argv) {
99   const int d = 5;
100   const int da[5] = {0};
101   S4 e(4);
102   S5 g(5);
103   int i, z;
104   int &j = i;
105   static int m;
106 #pragma omp task firstprivate                               // expected-error {{expected '(' after 'firstprivate'}}
107 #pragma omp task firstprivate(                              // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
108 #pragma omp task firstprivate()                             // expected-error {{expected expression}}
109 #pragma omp task firstprivate(argc                          // expected-error {{expected ')'}} expected-note {{to match this '('}}
110 #pragma omp task firstprivate(argc,                         // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
111 #pragma omp task firstprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
112 #pragma omp task firstprivate(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 '('}}
113 #pragma omp task firstprivate(S1)            // expected-error {{'S1' does not refer to a value}}
114 #pragma omp task firstprivate(a, b, c, d, f) // expected-error {{firstprivate variable with incomplete type 'S1'}}
115 #pragma omp task firstprivate(argv[1])       // expected-error {{expected variable name}}
116 #pragma omp task allocate(omp_thread_mem_alloc: ba) firstprivate(ba) // expected-warning {{allocator with the 'thread' trait access has unspecified behavior on 'task' directive}}
117 #pragma omp task firstprivate(ca,z )
118 #pragma omp task firstprivate(da)
119 #pragma omp task firstprivate(S2::S2s)
120 #pragma omp task firstprivate(S2::S2sc)
121 #pragma omp task firstprivate(e, g)          // expected-error 16 {{calling a private constructor of class 'S4'}} expected-error 16 {{calling a private constructor of class 'S5'}}
122 #pragma omp task firstprivate(h, B::x)       // expected-error 2 {{threadprivate or thread local variable cannot be firstprivate}}
123 #pragma omp task private(i), firstprivate(i) // expected-error {{private variable cannot be firstprivate}} expected-note{{defined as private}}
124   foo();
125 #pragma omp task shared(i)
126 #pragma omp task firstprivate(i)
127 #pragma omp task firstprivate(j)
128 #pragma omp task firstprivate(m) // OK
129   foo();
130 
131   return 0;
132 }
133