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

// RUN: %clang_cc1 -verify -fopenmp=libiomp5 %s

void foo() {
}

bool foobool(int argc) {
  return argc;
}

struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
extern S1 a;
class S2 {
  mutable int a;

public:
  S2() : a(0) {}
  S2(S2 &s2) : a(s2.a) {}
  static float S2s; // expected-note {{static data member is predetermined as shared}}
  static const float S2sc;
};
const float S2::S2sc = 0; // expected-note {{static data member is predetermined as shared}}
const S2 b;
const S2 ba[5];
class S3 { // expected-note {{'S3' declared here}}
  int a;
  S3 &operator=(const S3 &s3);

public:
  S3() : a(0) {}
  S3(S3 &s3) : a(s3.a) {}
};
const S3 c;         // expected-note {{global variable is predetermined as shared}}
const S3 ca[5];     // expected-note {{global variable is predetermined as shared}}
extern const int f; // expected-note {{global variable is predetermined as shared}}
class S4 {          // expected-note {{'S4' declared here}}
  int a;
  S4();
  S4(const S4 &s4);

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

public:
  S5(const S5 &s5) : a(s5.a) {}
  S5(int v) : a(v) {}
};

S3 h;
#pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}

template <class I, class C>
int foomain(I argc, C **argv) {
  I e(4);
  I g(5);
  int i;
  int &j = i;                // expected-note {{'j' defined here}}
#pragma omp simd lastprivate // expected-error {{expected '(' after 'lastprivate'}}
  for (int k = 0; k < argc; ++k)
    ++k;
#pragma omp simd lastprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  for (int k = 0; k < argc; ++k)
    ++k;
#pragma omp simd lastprivate() // expected-error {{expected expression}}
  for (int k = 0; k < argc; ++k)
    ++k;
#pragma omp simd lastprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
  for (int k = 0; k < argc; ++k)
    ++k;
#pragma omp simd lastprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  for (int k = 0; k < argc; ++k)
    ++k;
#pragma omp simd lastprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
  for (int k = 0; k < argc; ++k)
    ++k;
#pragma omp simd lastprivate(argc)
  for (int k = 0; k < argc; ++k)
    ++k;
#pragma omp simd lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
  for (int k = 0; k < argc; ++k)
    ++k;
#pragma omp simd lastprivate(a, b) // expected-error {{lastprivate variable with incomplete type 'S1'}}
  for (int k = 0; k < argc; ++k)
    ++k;
#pragma omp simd lastprivate(argv[1]) // expected-error {{expected variable name}}
  for (int k = 0; k < argc; ++k)
    ++k;
#pragma omp simd lastprivate(e, g)
  for (int k = 0; k < argc; ++k)
    ++k;
#pragma omp simd lastprivate(h) // expected-error {{threadprivate or thread local variable cannot be lastprivate}}
  for (int k = 0; k < argc; ++k)
    ++k;
#pragma omp simd firstprivate(i) // expected-error {{unexpected OpenMP clause 'firstprivate' in directive '#pragma omp simd'}}
  for (int k = 0; k < argc; ++k)
    ++k;
#pragma omp parallel
  {
    int v = 0;
    int i;
#pragma omp simd lastprivate(i)
    for (int k = 0; k < argc; ++k) {
      i = k;
      v += i;
    }
  }
#pragma omp parallel shared(i)
#pragma omp parallel private(i)
#pragma omp simd lastprivate(j) // expected-error {{arguments of OpenMP clause 'lastprivate' cannot be of reference type}}
  for (int k = 0; k < argc; ++k)
    ++k;
#pragma omp simd lastprivate(i)
  for (int k = 0; k < argc; ++k)
    ++k;
  return 0;
}

int main(int argc, char **argv) {
  const int d = 5;       // expected-note {{constant variable is predetermined as shared}}
  const int da[5] = {0}; // expected-note {{constant variable is predetermined as shared}}
  S4 e(4);               // expected-note {{'e' defined here}}
  S5 g(5);               // expected-note {{'g' defined here}}
  S3 m;                  // expected-note {{'m' defined here}}
  int i;
  int &j = i;                // expected-note {{'j' defined here}}
#pragma omp simd lastprivate // expected-error {{expected '(' after 'lastprivate'}}
  for (i = 0; i < argc; ++i)
    foo();
#pragma omp simd lastprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  for (i = 0; i < argc; ++i)
    foo();
#pragma omp simd lastprivate() // expected-error {{expected expression}}
  for (i = 0; i < argc; ++i)
    foo();
#pragma omp simd lastprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
  for (i = 0; i < argc; ++i)
    foo();
#pragma omp simd lastprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  for (i = 0; i < argc; ++i)
    foo();
#pragma omp simd lastprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
  for (i = 0; i < argc; ++i)
    foo();
#pragma omp simd lastprivate(argc)
  for (i = 0; i < argc; ++i)
    foo();
#pragma omp simd lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
  for (i = 0; i < argc; ++i)
    foo();
#pragma omp simd lastprivate(a, b, c, d, f) // expected-error {{lastprivate variable with incomplete type 'S1'}} expected-error 3 {{shared variable cannot be lastprivate}}
  for (i = 0; i < argc; ++i)
    foo();
#pragma omp simd lastprivate(argv[1]) // expected-error {{expected variable name}}
  for (i = 0; i < argc; ++i)
    foo();
#pragma omp simd lastprivate(2 * 2) // expected-error {{expected variable name}}
  for (i = 0; i < argc; ++i)
    foo();
#pragma omp simd lastprivate(ba)
  for (i = 0; i < argc; ++i)
    foo();
#pragma omp simd lastprivate(ca) // expected-error {{shared variable cannot be lastprivate}}
  for (i = 0; i < argc; ++i)
    foo();
#pragma omp simd lastprivate(da) // expected-error {{shared variable cannot be lastprivate}}
  for (i = 0; i < argc; ++i)
    foo();
  int xa;
#pragma omp simd lastprivate(xa) // OK
  for (i = 0; i < argc; ++i)
    foo();
#pragma omp simd lastprivate(S2::S2s) // expected-error {{shared variable cannot be lastprivate}}
  for (i = 0; i < argc; ++i)
    foo();
#pragma omp simd lastprivate(S2::S2sc) // expected-error {{shared variable cannot be lastprivate}}
  for (i = 0; i < argc; ++i)
    foo();
#pragma omp simd firstprivate(g) // expected-error {{unexpected OpenMP clause 'firstprivate' in directive '#pragma omp simd'}}
  for (i = 0; i < argc; ++i)
    foo();
#pragma omp simd lastprivate(e, g) // expected-error 2 {{lastprivate variable must have an accessible, unambiguous default constructor}}
  for (i = 0; i < argc; ++i)
    foo();
#pragma omp simd lastprivate(m) // expected-error {{lastprivate variable must have an accessible, unambiguous copy assignment operator}}
  for (i = 0; i < argc; ++i)
    foo();
#pragma omp simd lastprivate(h) // expected-error {{threadprivate or thread local variable cannot be lastprivate}}
  for (i = 0; i < argc; ++i)
    foo();
#pragma omp simd private(xa), lastprivate(xa) // expected-error {{private variable cannot be lastprivate}} expected-note {{defined as private}}
  for (i = 0; i < argc; ++i)
    foo();
#pragma omp simd lastprivate(i) // expected-note {{defined as lastprivate}}
  for (i = 0; i < argc; ++i) // expected-error {{loop iteration variable in the associated loop of 'omp simd' directive may not be lastprivate, predetermined as linear}}
    foo();
#pragma omp parallel private(xa)
#pragma omp simd lastprivate(xa) // OK: may be lastprivate
  for (i = 0; i < argc; ++i)
    foo();
#pragma omp parallel
#pragma omp simd lastprivate(j) // expected-error {{arguments of OpenMP clause 'lastprivate' cannot be of reference type}}
  for (i = 0; i < argc; ++i)
    foo();
  return 0;
}