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_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 
foo()16 void foo() {
17 }
18 
foobool(int argc)19 bool foobool(int argc) {
20   return argc;
21 }
22 
23 struct S1; // expected-note {{declared here}} expected-note {{forward declaration of 'S1'}}
24 extern S1 a;
25 class S2 {
26   mutable int a;
27 public:
S2()28   S2():a(0) { }
29   static float S2s; // expected-note {{predetermined as shared}}
30 };
31 const S2 b;
32 const S2 ba[5];
33 class S3 {
34   int a;
35 public:
S3()36   S3():a(0) { }
37 };
38 const S3 c; // expected-note {{'c' defined here}}
39 const S3 ca[5]; // expected-note {{'ca' defined here}}
40 extern const int f;  // expected-note {{'f' declared here}}
41 class S4 {
42   int a;
43   S4(); // expected-note {{implicitly declared private here}}
44 public:
S4(int v)45   S4(int v):a(v) { }
46 };
47 class S5 {
48   int a;
S5()49   S5():a(0) {} // expected-note {{implicitly declared private here}}
50 public:
S5(int v)51   S5(int v):a(v) { }
52 };
53 
54 S3 h;
55 #pragma omp threadprivate(h) // expected-note {{defined as threadprivate or thread local}}
56 
57 
main(int argc,char ** argv)58 int main(int argc, char **argv) {
59   const int d = 5;  // expected-note {{'d' defined here}}
60   const int da[5] = { 0 }; // expected-note {{'da' defined here}}
61   S4 e(4);
62   S5 g(5);
63   int i;
64   int &j = i;
65 
66   #pragma omp target teams distribute parallel for simd private // expected-error {{expected '(' after 'private'}}
67   for (int k = 0; k < argc; ++k) ++k;
68 
69   #pragma omp target teams distribute parallel for simd private ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
70   for (int k = 0; k < argc; ++k) ++k;
71 
72   #pragma omp target teams distribute parallel for simd private () // expected-error {{expected expression}}
73   for (int k = 0; k < argc; ++k) ++k;
74 
75   #pragma omp target teams distribute parallel for simd private (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
76   for (int k = 0; k < argc; ++k) ++k;
77 
78   #pragma omp target teams distribute parallel for simd private (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
79   for (int k = 0; k < argc; ++k) ++k;
80 
81   #pragma omp target teams distribute parallel for simd private (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
82   for (int k = 0; k < argc; ++k) ++k;
83 
84   #pragma omp target teams distribute parallel for 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 '('}}
85   for (int k = 0; k < argc; ++k) ++k;
86 
87   #pragma omp target teams distribute parallel for simd private (S1) // expected-error {{'S1' does not refer to a value}}
88   for (int k = 0; k < argc; ++k) ++k;
89 
90   #pragma omp target teams distribute parallel for simd private (a, b, c, d, f) // expected-error {{private variable with incomplete type 'S1'}} expected-error 1 {{const-qualified variable without mutable fields cannot be private}} expected-error 2 {{const-qualified variable cannot be private}}
91   for (int k = 0; k < argc; ++k) ++k;
92 
93   #pragma omp target teams distribute parallel for simd private (argv[1]) // expected-error {{expected variable name}}
94   for (int k = 0; k < argc; ++k) ++k;
95 
96   #pragma omp target teams distribute parallel for simd private(ba) uses_allocators(omp_thread_mem_alloc) allocate(omp_thread_mem_alloc: ba) // expected-warning {{allocator with the 'thread' trait access has unspecified behavior on 'target teams distribute parallel for simd' directive}}
97   for (int k = 0; k < argc; ++k) ++k;
98 
99   #pragma omp target teams distribute parallel for simd private(ca) // expected-error {{const-qualified variable without mutable fields cannot be private}}
100   for (int k = 0; k < argc; ++k) ++k;
101 
102   #pragma omp target teams distribute parallel for simd private(da) // expected-error {{const-qualified variable cannot be private}}
103   for (int k = 0; k < argc; ++k) ++k;
104 
105   #pragma omp target teams distribute parallel for simd private(S2::S2s) // expected-error {{shared variable cannot be private}}
106   for (int k = 0; k < argc; ++k) ++k;
107 
108   #pragma omp target teams distribute parallel for simd private(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
109   for (int k = 0; k < argc; ++k) ++k;
110 
111   #pragma omp target teams distribute parallel for simd private(h) // expected-error {{threadprivate or thread local variable cannot be private}}
112   for (int k = 0; k < argc; ++k) ++k;
113 
114   #pragma omp target teams distribute parallel for simd shared(i)
115   for (int k = 0; k < argc; ++k) ++k;
116 
117   #pragma omp target teams distribute parallel for simd firstprivate(i), private(i) // expected-error {{firstprivate variable cannot be private}} expected-note {{defined as firstprivate}}
118   for (int k = 0; k < argc; ++k) ++k;
119 
120   #pragma omp target teams distribute parallel for simd private(j)
121   for (int k = 0; k < argc; ++k) ++k;
122 
123   #pragma omp target teams distribute parallel for simd reduction(+:i)
124   for (int k = 0; k < argc; ++k) ++k;
125 
126   #pragma omp distribute private(i)
127   for (int k = 0; k < 10; ++k) {
128     #pragma omp target teams distribute parallel for simd private(i)
129     for (int x = 0; x < 10; ++x) foo();
130   }
131 
132   #pragma omp target teams distribute parallel for simd firstprivate(i)
133   for (int k = 0; k < 10; ++k) {
134   }
135 
136   return 0;
137 }
138