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6ddfe1a6af
Currently checks for active data-sharing attributes for variables are performed for found var decls. Instead these checks must be performed for canonical decls of these variables to avoid possible troubles with with the differently qualified re-declarations of the same variable, for example:
namespace A { int x; }
namespace B { using A::x; }
Both A::x and B::x actually reference the same object A::x and this fact must be taken into account during data-sharing attributes analysis.
llvm-svn: 235096
119 lines
3.0 KiB
C++
119 lines
3.0 KiB
C++
// RUN: %clang_cc1 -verify -fopenmp=libiomp5 -ferror-limit 100 %s
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void foo() {
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}
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bool foobool(int argc) {
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return argc;
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}
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struct S1; // expected-note {{declared here}}
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extern S1 a;
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class S2 {
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mutable int a;
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public:
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S2() : a(0) {}
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S2(S2 &s2) : a(s2.a) {}
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};
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const S2 b;
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const S2 ba[5];
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class S3 {
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int a;
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public:
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S3() : a(0) {}
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S3(S3 &s3) : a(s3.a) {}
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};
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const S3 c;
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const S3 ca[5];
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extern const int f;
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class S4 {
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int a;
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S4();
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S4(const S4 &s4);
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public:
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S4(int v) : a(v) {}
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};
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class S5 {
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int a;
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S5() : a(0) {}
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S5(const S5 &s5) : a(s5.a) {}
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public:
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S5(int v) : a(v) {}
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};
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S3 h;
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#pragma omp threadprivate(h) // expected-note {{defined as threadprivate or thread local}}
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namespace A {
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double x;
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#pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
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}
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namespace B {
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using A::x;
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}
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int main(int argc, char **argv) {
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const int d = 5;
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const int da[5] = {0};
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S4 e(4);
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S5 g(5);
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int i;
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int &j = i;
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#pragma omp parallel sections shared // expected-error {{expected '(' after 'shared'}}
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{ foo(); }
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#pragma omp parallel sections shared( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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{ foo(); }
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#pragma omp parallel sections shared() // expected-error {{expected expression}}
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{ foo(); }
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#pragma omp parallel sections shared(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
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{ foo(); }
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#pragma omp parallel sections shared(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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{ foo(); }
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#pragma omp parallel sections shared(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
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{ foo(); }
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#pragma omp parallel sections shared(argc)
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{ foo(); }
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#pragma omp parallel sections shared(S1) // expected-error {{'S1' does not refer to a value}}
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{ foo(); }
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#pragma omp parallel sections shared(a, b, c, d, f)
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{ foo(); }
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#pragma omp parallel sections shared(argv[1]) // expected-error {{expected variable name}}
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{ foo(); }
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#pragma omp parallel sections shared(ba)
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{ foo(); }
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#pragma omp parallel sections shared(ca)
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{ foo(); }
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#pragma omp parallel sections shared(da)
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{ foo(); }
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#pragma omp parallel sections shared(e, g)
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{ foo(); }
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#pragma omp parallel sections shared(h, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be shared}}
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{ foo(); }
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#pragma omp parallel sections private(i), shared(i) // expected-error {{private variable cannot be shared}} expected-note {{defined as private}}
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{ foo(); }
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#pragma omp parallel sections firstprivate(i), shared(i) // expected-error {{firstprivate variable cannot be shared}} expected-note {{defined as firstprivate}}
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{ foo(); }
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#pragma omp parallel sections private(i)
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{
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#pragma omp parallel sections shared(i)
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{
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#pragma omp parallel sections shared(j)
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{ foo(); }
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}
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}
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#pragma omp parallel sections firstprivate(i)
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{
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#pragma omp parallel sections shared(i)
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{
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#pragma omp parallel sections shared(j)
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{ foo(); }
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}
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}
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return 0;
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}
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