parallel_sections_shared_messages.cpp
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// RUN: %clang_cc1 -verify -fopenmp -ferror-limit 100 %s -Wuninitialized
// RUN: %clang_cc1 -verify -fopenmp-simd -ferror-limit 100 %s -Wuninitialized
void foo() {
}
bool foobool(int argc) {
return argc;
}
struct S1; // expected-note {{declared here}}
extern S1 a;
class S2 {
mutable int a;
public:
S2() : a(0) {}
S2(S2 &s2) : a(s2.a) {}
};
const S2 b;
const S2 ba[5];
class S3 {
int a;
public:
S3() : a(0) {}
S3(S3 &s3) : a(s3.a) {}
};
const S3 c;
const S3 ca[5];
extern const int f;
class S4 {
int a;
S4();
S4(const S4 &s4);
public:
S4(int v) : a(v) {}
};
class S5 {
int a;
S5() : a(0) {}
S5(const S5 &s5) : a(s5.a) {}
public:
S5(int v) : a(v) {}
};
S3 h;
#pragma omp threadprivate(h) // expected-note {{defined as threadprivate or thread local}}
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;
const int da[5] = {0};
S4 e(4);
S5 g(5);
int i, k;
int &j = i;
#pragma omp parallel sections shared // expected-error {{expected '(' after 'shared'}}
{ foo(); }
#pragma omp parallel sections shared( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
{ foo(); }
#pragma omp parallel sections shared() // expected-error {{expected expression}}
{ foo(); }
#pragma omp parallel sections shared(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
{ foo(); }
#pragma omp parallel sections shared(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
{ foo(); }
#pragma omp parallel sections shared(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
{ foo(); }
#pragma omp parallel sections shared(argc)
{ foo(); }
#pragma omp parallel sections shared(S1) // expected-error {{'S1' does not refer to a value}}
{ foo(); }
#pragma omp parallel sections shared(a, b, c, d, f, k)
{ foo(); }
#pragma omp parallel sections shared(argv[1]) // expected-error {{expected variable name}}
{ foo(); }
#pragma omp parallel sections shared(ba)
{ foo(); }
#pragma omp parallel sections shared(ca)
{ foo(); }
#pragma omp parallel sections shared(da)
{ foo(); }
#pragma omp parallel sections shared(e, g)
{ foo(); }
#pragma omp parallel sections shared(h, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be shared}}
{ foo(); }
#pragma omp parallel sections private(i), shared(i) // expected-error {{private variable cannot be shared}} expected-note {{defined as private}}
{ foo(); }
#pragma omp parallel sections firstprivate(i), shared(i) // expected-error {{firstprivate variable cannot be shared}} expected-note {{defined as firstprivate}}
{ foo(); }
#pragma omp parallel sections private(i)
{
#pragma omp parallel sections shared(i)
{
#pragma omp parallel sections shared(j)
{ foo(); }
}
}
#pragma omp parallel sections firstprivate(i)
{
#pragma omp parallel sections shared(i)
{
#pragma omp parallel sections shared(j)
{ foo(); }
}
}
return 0;
}