1 // RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
2 
3 // RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
4 
5 #pragma omp requires dynamic_allocators
6 typedef void **omp_allocator_handle_t;
7 extern const omp_allocator_handle_t omp_null_allocator;
8 extern const omp_allocator_handle_t omp_default_mem_alloc;
9 extern const omp_allocator_handle_t omp_large_cap_mem_alloc;
10 extern const omp_allocator_handle_t omp_const_mem_alloc;
11 extern const omp_allocator_handle_t omp_high_bw_mem_alloc;
12 extern const omp_allocator_handle_t omp_low_lat_mem_alloc;
13 extern const omp_allocator_handle_t omp_cgroup_mem_alloc;
14 extern const omp_allocator_handle_t omp_pteam_mem_alloc;
15 extern const omp_allocator_handle_t omp_thread_mem_alloc;
16 
foo()17 void foo() {
18 }
19 
foobool(int argc)20 bool foobool(int argc) {
21   return argc;
22 }
23 
xxx(int argc)24 void xxx(int argc) {
25   int fp; // expected-note {{initialize the variable 'fp' to silence this warning}}
26 #pragma omp target teams distribute firstprivate(fp) // expected-warning {{variable 'fp' is uninitialized when used here}}
27   for (int i = 0; i < 10; ++i)
28     ;
29 }
30 
31 struct S1; // expected-note {{declared here}} expected-note{{forward declaration of 'S1'}}
32 extern S1 a;
33 class S2 {
34   mutable int a;
35 
36 public:
S2()37   S2() : a(0) {}
S2(const S2 & s2)38   S2(const S2 &s2) : a(s2.a) {}
39   static float S2s;
40   static const float S2sc;
41 };
42 const float S2::S2sc = 0;
43 const S2 b;
44 const S2 ba[5];
45 class S3 {
46   int a;
47   S3 &operator=(const S3 &s3);
48 
49 public:
S3()50   S3() : a(0) {} // expected-note 2 {{candidate constructor not viable: requires 0 arguments, but 1 was provided}}
S3(S3 & s3)51   S3(S3 &s3) : a(s3.a) {} // expected-note 2 {{candidate constructor not viable: 1st argument ('const S3') would lose const qualifier}}
52 };
53 const S3 c;
54 const S3 ca[5];
55 extern const int f;
56 class S4 {
57   int a;
58   S4();
59   S4(const S4 &s4);
60 public:
S4(int v)61   S4(int v):a(v) { }
62 };
63 class S5 {
64   int a;
S5()65   S5():a(0) {}
S5(const S5 & s5)66   S5(const S5 &s5):a(s5.a) { }
67 public:
S5(int v)68   S5(int v):a(v) { }
69 };
70 class S6 {
71   int a;
72 public:
S6()73   S6() : a(0) { }
74 };
75 
76 S3 h;
77 #pragma omp threadprivate(h) // expected-note {{defined as threadprivate or thread local}}
78 
main(int argc,char ** argv)79 int main(int argc, char **argv) {
80   const int d = 5;
81   const int da[5] = { 0 };
82   S4 e(4);
83   S5 g(5);
84   S6 p;
85   int i, z;
86   int &j = i;
87 
88 #pragma omp target teams distribute firstprivate // expected-error {{expected '(' after 'firstprivate'}}
89   for (i = 0; i < argc; ++i) foo();
90 
91 #pragma omp target teams distribute firstprivate ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
92   for (i = 0; i < argc; ++i) foo();
93 
94 #pragma omp target teams distribute firstprivate () // expected-error {{expected expression}}
95   for (i = 0; i < argc; ++i) foo();
96 
97 #pragma omp target teams distribute firstprivate (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
98   for (i = 0; i < argc; ++i) foo();
99 
100 #pragma omp target teams distribute firstprivate (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
101   for (i = 0; i < argc; ++i) foo();
102 
103 #pragma omp target teams distribute firstprivate (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
104   for (i = 0; i < argc; ++i) foo();
105 
106 #pragma omp target teams distribute 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 '('}}
107   for (i = 0; i < argc; ++i) foo();
108 
109 #pragma omp target teams distribute firstprivate (S1) // expected-error {{'S1' does not refer to a value}}
110   for (i = 0; i < argc; ++i) foo();
111 
112 #pragma omp target teams distribute firstprivate (a, b, c, d, f) // expected-error {{firstprivate variable with incomplete type 'S1'}} expected-error {{no matching constructor for initialization of 'S3'}}
113   for (i = 0; i < argc; ++i) foo();
114 
115 #pragma omp target teams distribute firstprivate (argv[1]) // expected-error {{expected variable name}}
116   for (i = 0; i < argc; ++i) foo();
117 
118 #pragma omp target teams distribute firstprivate(ba) allocate(omp_thread_mem_alloc: ba) // expected-warning {{allocator with the 'thread' trait access has unspecified behavior on 'target teams distribute' directive}}
119   for (i = 0; i < argc; ++i) foo();
120 
121 #pragma omp target
122 #pragma omp teams distribute firstprivate(ca) // expected-error {{no matching constructor for initialization of 'S3'}} expected-warning {{Type 'const S3 [5]' is not trivially copyable and not guaranteed to be mapped correctly}}
123   for (i = 0; i < argc; ++i) foo();
124 
125 #pragma omp target teams distribute firstprivate(da, z)
126   for (i = 0; i < argc; ++i) foo();
127 
128 #pragma omp target teams distribute firstprivate(S2::S2s)
129   for (i = 0; i < argc; ++i) foo();
130 
131 #pragma omp target teams distribute firstprivate(S2::S2sc)
132   for (i = 0; i < argc; ++i) foo();
133 
134 #pragma omp target teams distribute firstprivate(h) // expected-error {{threadprivate or thread local variable cannot be firstprivate}}
135   for (i = 0; i < argc; ++i) foo();
136 
137 #pragma omp target teams distribute private(i), firstprivate(i) // expected-error {{private variable cannot be firstprivate}} expected-note{{defined as private}}
138   for (i = 0; i < argc; ++i) foo();
139 
140 #pragma omp target teams distribute firstprivate(i)
141   for (j = 0; j < argc; ++j) foo();
142 
143 #pragma omp target teams distribute firstprivate(i) // expected-note {{defined as firstprivate}}
144   for (i = 0; i < argc; ++i) foo(); // expected-error {{loop iteration variable in the associated loop of 'omp target teams distribute' directive may not be firstprivate, predetermined as private}}
145 
146 #pragma omp target teams distribute firstprivate(j)
147   for (i = 0; i < argc; ++i) foo();
148 
149 // expected-error@+1 {{lastprivate variable cannot be firstprivate}} expected-note@+1 {{defined as lastprivate}}
150 #pragma omp target teams distribute lastprivate(argc), firstprivate(argc)
151   for (i = 0; i < argc; ++i) foo();
152 
153   return 0;
154 }
155