clang/test/OpenMP/task_firstprivate_messages.cpp

   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 }