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
319 lines
8.7 KiB
C++
319 lines
8.7 KiB
C++
// RUN: %clang_cc1 -verify -fopenmp=libiomp5 %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 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
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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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const S2 &operator=(const S2 &) const;
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static float S2s; // expected-note {{static data member is predetermined as shared}}
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static const float S2sc;
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};
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const float S2::S2sc = 0; // expected-note {{static data member is predetermined as shared}}
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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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S3 &operator=(const S3 &s3); // expected-note 2 {{implicitly declared private here}}
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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; // expected-note {{global variable is predetermined as shared}}
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const S3 ca[5]; // expected-note {{global variable is predetermined as shared}}
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extern const int f; // expected-note {{global variable is predetermined as shared}}
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class S4 {
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int a;
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S4(); // expected-note 3 {{implicitly declared private here}}
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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) {} // expected-note {{implicitly declared private here}}
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public:
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S5(const S5 &s5) : a(s5.a) {}
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S5(int v) : a(v) {}
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};
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class S6 {
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int a;
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S6() : a(0) {}
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public:
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S6(const S6 &s6) : a(s6.a) {}
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S6(int v) : a(v) {}
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};
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S3 h;
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#pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
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template <class I, class C>
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int foomain(int argc, char **argv) {
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I e(4);
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I g(5);
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int i;
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int &j = i; // expected-note {{'j' defined here}}
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#pragma omp parallel
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#pragma omp sections lastprivate // expected-error {{expected '(' after 'lastprivate'}}
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections lastprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections lastprivate() // expected-error {{expected expression}}
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections lastprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections lastprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections lastprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections lastprivate(argc)
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections lastprivate(a, b) // expected-error {{lastprivate variable with incomplete type 'S1'}}
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections lastprivate(argv[1]) // expected-error {{expected variable name}}
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections lastprivate(e, g) // expected-error 2 {{calling a private constructor of class 'S4'}}
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections lastprivate(h) // expected-error {{threadprivate or thread local variable cannot be lastprivate}}
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections linear(i) // expected-error {{unexpected OpenMP clause 'linear' in directive '#pragma omp sections'}}
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{
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foo();
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}
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#pragma omp parallel
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{
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int v = 0;
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int i; // expected-note {{variable with automatic storage duration is predetermined as private; perhaps you forget to enclose 'omp sections' directive into a parallel or another task region?}}
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#pragma omp sections lastprivate(i) // expected-error {{lastprivate variable must be shared}}
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{
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foo();
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}
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v += i;
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}
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#pragma omp parallel shared(i)
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#pragma omp parallel private(i)
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#pragma omp sections lastprivate(j) // expected-error {{arguments of OpenMP clause 'lastprivate' cannot be of reference type}}
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections lastprivate(i)
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{
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foo();
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}
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return 0;
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}
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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; // expected-note {{constant variable is predetermined as shared}}
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const int da[5] = {0}; // expected-note {{constant variable is predetermined as shared}}
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S4 e(4);
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S5 g(5);
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S3 m;
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S6 n(2);
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int i;
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int &j = i; // expected-note {{'j' defined here}}
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#pragma omp parallel
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#pragma omp sections lastprivate // expected-error {{expected '(' after 'lastprivate'}}
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections lastprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections lastprivate() // expected-error {{expected expression}}
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections lastprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections lastprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections lastprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections lastprivate(argc)
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections lastprivate(a, b, c, d, f) // expected-error {{lastprivate variable with incomplete type 'S1'}} expected-error 3 {{shared variable cannot be lastprivate}}
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections lastprivate(argv[1]) // expected-error {{expected variable name}}
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections lastprivate(2 * 2) // expected-error {{expected variable name}}
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections lastprivate(ba)
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections lastprivate(ca) // expected-error {{shared variable cannot be lastprivate}}
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections lastprivate(da) // expected-error {{shared variable cannot be lastprivate}}
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{
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foo();
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}
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int xa;
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#pragma omp parallel
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#pragma omp sections lastprivate(xa) // OK
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections lastprivate(S2::S2s) // expected-error {{shared variable cannot be lastprivate}}
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections lastprivate(S2::S2sc) // expected-error {{shared variable cannot be lastprivate}}
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections safelen(5) // expected-error {{unexpected OpenMP clause 'safelen' in directive '#pragma omp sections'}}
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections lastprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections lastprivate(m) // expected-error {{'operator=' is a private member of 'S3'}}
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections lastprivate(h, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be lastprivate}}
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections private(xa), lastprivate(xa) // expected-error {{private variable cannot be lastprivate}} expected-note {{defined as private}}
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections lastprivate(i)
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{
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foo();
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}
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#pragma omp parallel private(xa) // expected-note {{defined as private}}
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#pragma omp sections lastprivate(xa) // expected-error {{lastprivate variable must be shared}}
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{
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foo();
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}
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#pragma omp parallel reduction(+ : xa) // expected-note {{defined as reduction}}
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#pragma omp sections lastprivate(xa) // expected-error {{lastprivate variable must be shared}}
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections lastprivate(j) // expected-error {{arguments of OpenMP clause 'lastprivate' cannot be of reference type}}
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections firstprivate(m) lastprivate(m) // expected-error {{'operator=' is a private member of 'S3'}}
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{
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foo();
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}
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#pragma omp parallel
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#pragma omp sections lastprivate(n) firstprivate(n) // OK
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{
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foo();
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}
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return foomain<S4, S5>(argc, argv); // expected-note {{in instantiation of function template specialization 'foomain<S4, S5>' requested here}}
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}
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