llvm-project/clang/test/OpenMP/task_private_messages.cpp

// RUN: %clang_cc1 -verify -fopenmp -ferror-limit 100 %s -Wuninitialized

// RUN: %clang_cc1 -verify -fopenmp-simd -ferror-limit 100 %s -Wuninitialized

typedef void **omp_allocator_handle_t;
extern const omp_allocator_handle_t omp_null_allocator;
extern const omp_allocator_handle_t omp_default_mem_alloc;
extern const omp_allocator_handle_t omp_large_cap_mem_alloc;
extern const omp_allocator_handle_t omp_const_mem_alloc;
extern const omp_allocator_handle_t omp_high_bw_mem_alloc;
extern const omp_allocator_handle_t omp_low_lat_mem_alloc;
extern const omp_allocator_handle_t omp_cgroup_mem_alloc;
extern const omp_allocator_handle_t omp_pteam_mem_alloc;
extern const omp_allocator_handle_t omp_thread_mem_alloc;

void foo() {
}

bool foobool(int argc) {
  return argc;
}

struct S1; // expected-note {{declared here}} expected-note{{forward declaration of 'S1'}}
extern S1 a;
class S2 {
  mutable int a;

public:
  S2() : a(0) {}
  static float S2s; // expected-note {{static data member is predetermined as shared}}
};
const S2 b;
const S2 ba[5];
class S3 {
  int a;

public:
  S3() : a(0) {}
};
const S3 c;         // expected-note {{'c' defined here}}
const S3 ca[5];     // expected-note {{'ca' defined here}}
extern const int f; // expected-note {{'f' declared here}}
class S4 {
  int a;
  S4(); // expected-note {{implicitly declared private here}}

public:
  S4(int v) : a(v) {}
};
class S5 {
  int a;
  S5() : a(0) {} // expected-note {{implicitly declared private here}}

public:
  S5(int v) : a(v) {}
};

int threadvar;
#pragma omp threadprivate(threadvar) // expected-note {{defined as threadprivate or thread local}}

void bar(int n, int b[n]) {
#pragma omp task private(b)
    foo();
}

namespace A {
double x;
#pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
}
namespace B {
using A::x;
}

int main(int argc, char **argv) {
  const int d = 5;       // expected-note {{'d' defined here}}
  const int da[5] = {0}; // expected-note {{'da' defined here}}
  S4 e(4);
  S5 g(5);
  int i, z;
  int &j = i;
#pragma omp task private                               // expected-error {{expected '(' after 'private'}}
#pragma omp task private(                              // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
#pragma omp task private()                             // expected-error {{expected expression}}
#pragma omp task private(argc                          // expected-error {{expected ')'}} expected-note {{to match this '('}}
#pragma omp task private(argc,                         // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
#pragma omp task private(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
#pragma omp task private(argc argv)                    // expected-error {{expected ',' or ')' in 'private' clause}}
#pragma omp task private(S1)                           // expected-error {{'S1' does not refer to a value}}
#pragma omp task private(z, 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}}
#pragma omp task private(argv[1])                      // expected-error {{expected variable name}}
#pragma omp task 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 '('}}
#pragma omp task private(ca)           // expected-error {{const-qualified variable without mutable fields cannot be private}}
#pragma omp task private(da)           // expected-error {{const-qualified variable cannot be private}}
#pragma omp task private(S2::S2s)      // expected-error {{shared variable cannot be private}}
#pragma omp task private(e, g)         // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
#pragma omp task private(threadvar, B::x)    // expected-error 2 {{threadprivate or thread local variable cannot be private}}
#pragma omp task shared(i), private(i) // expected-error {{shared variable cannot be private}} expected-note {{defined as shared}}
  foo();
#pragma omp task firstprivate(i) private(i) // expected-error {{firstprivate variable cannot be private}} expected-note {{defined as firstprivate}}
  foo();
#pragma omp task private(i)
#pragma omp task private(j)
  foo();
#pragma omp task firstprivate(i)
  for (int k = 0; k < 10; ++k) {
#pragma omp task private(i) allocate(omp_thread_mem_alloc: i) // expected-warning {{allocator with the 'thread' trait access has unspecified behavior on 'task' directive}}
    foo();
  }
  static int m;
#pragma omp task private(m) // OK
    foo();

  return 0;
}