clang/test/OpenMP/parallel_private_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 extern int omp_default_mem_alloc;
   6 void foo() {
   7 }
   8
   9 bool foobool(int argc) {
  10   return argc;
  11 }
  12
  13 struct S1; // expected-note {{declared here}} expected-note{{forward declaration of 'S1'}}
  14 extern S1 a;
  15 class S2 {
  16   mutable int a;
  17 public:
  18   S2():a(0) { }
  19   static float S2s; // expected-note {{static data member is predetermined as shared}}
  20 };
  21 const S2 b;
  22 const S2 ba[5];
  23 class S3 {
  24   int a;
  25 public:
  26   S3():a(0) { }
  27 };
  28 const S3 c; // expected-note {{'c' defined here}}
  29 const S3 ca[5]; // expected-note {{'ca' defined here}}
  30 extern const int f; // expected-note {{'f' declared here}}
  31 class S4 {
  32   int a;
  33   S4(); // expected-note {{implicitly declared private here}}
  34 public:
  35   S4(int v):a(v) { }
  36 };
  37 class S5 {
  38   int a;
  39   S5():a(0) {} // expected-note {{implicitly declared private here}}
  40 public:
  41   S5(int v):a(v) { }
  42 };
  43
  44 int threadvar;
  45 #pragma omp threadprivate(threadvar) // expected-note {{defined as threadprivate or thread local}}
  46
  47 namespace A {
  48 double x;
  49 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
  50 }
  51 namespace B {
  52 using A::x;
  53 }
  54
  55 int main(int argc, char **argv) {
  56   const int d = 5; // expected-note {{'d' defined here}}
  57   const int da[5] = { 0 }; // expected-note {{'da' defined here}}
  58   S4 e(4);
  59   S5 g[] = {5, 6};
  60   int i, z;
  61   int &j = i;
  62   #pragma omp parallel private // expected-error {{expected '(' after 'private'}}
  63   #pragma omp parallel private ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  64   #pragma omp parallel private () // expected-error {{expected expression}}
  65   #pragma omp parallel private (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
  66   #pragma omp parallel private (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  67   #pragma omp parallel private (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
  68   #pragma omp parallel private (argc argv) // expected-error {{expected ',' or ')' in 'private' clause}}
  69   #pragma omp parallel private (S1) // expected-error {{'S1' does not refer to a value}}
  70   #pragma omp parallel private (a, b, c, d, f) // expected-error {{a 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}}
  71   #pragma omp parallel private (argv[1]) // expected-error {{expected variable name}}
  72   #pragma omp parallel private(ba) 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 '('}}
  73   #pragma omp parallel private(ca) // expected-error {{const-qualified variable without mutable fields cannot be private}}
  74   #pragma omp parallel private(da) // expected-error {{const-qualified variable cannot be private}}
  75   #pragma omp parallel private(S2::S2s) // expected-error {{shared variable cannot be private}}
  76   #pragma omp parallel private(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
  77   #pragma omp parallel private(threadvar, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be private}}
  78   #pragma omp parallel shared(i), private(i) // expected-error {{shared variable cannot be private}} expected-note {{defined as shared}}
  79   foo();
  80   #pragma omp parallel firstprivate(i) private(i) // expected-error {{firstprivate variable cannot be private}} expected-note {{defined as firstprivate}}
  81   foo();
  82   #pragma omp parallel private(i, z)
  83   #pragma omp parallel private(j)
  84   foo();
  85   #pragma omp parallel firstprivate(i)
  86   for (int k = 0; k < 10; ++k) {
  87     #pragma omp parallel private(i)
  88     foo();
  89   }
  90   static int m;
  91   #pragma omp parallel private(m) // OK
  92   foo();
  93
  94   return 0;
  95 }