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