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
218 lines
7.8 KiB
C++
218 lines
7.8 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 {{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 {{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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S3 h;
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#pragma omp threadprivate(h) // expected-note 2 {{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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template <class I, class C>
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int foomain(I argc, C **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 simd lastprivate // expected-error {{expected '(' after 'lastprivate'}}
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for (int k = 0; k < argc; ++k)
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++k;
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#pragma omp simd lastprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (int k = 0; k < argc; ++k)
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++k;
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#pragma omp simd lastprivate() // expected-error {{expected expression}}
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for (int k = 0; k < argc; ++k)
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++k;
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#pragma omp simd lastprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (int k = 0; k < argc; ++k)
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++k;
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#pragma omp simd lastprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (int k = 0; k < argc; ++k)
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++k;
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#pragma omp simd lastprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
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for (int k = 0; k < argc; ++k)
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++k;
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#pragma omp simd lastprivate(argc)
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for (int k = 0; k < argc; ++k)
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++k;
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#pragma omp simd lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
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for (int k = 0; k < argc; ++k)
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++k;
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#pragma omp simd lastprivate(a, b) // expected-error {{lastprivate variable with incomplete type 'S1'}}
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for (int k = 0; k < argc; ++k)
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++k;
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#pragma omp simd lastprivate(argv[1]) // expected-error {{expected variable name}}
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for (int k = 0; k < argc; ++k)
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++k;
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#pragma omp simd lastprivate(e, g)
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for (int k = 0; k < argc; ++k)
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++k;
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#pragma omp simd lastprivate(h, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be lastprivate}}
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for (int k = 0; k < argc; ++k)
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++k;
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#pragma omp simd firstprivate(i) // expected-error {{unexpected OpenMP clause 'firstprivate' in directive '#pragma omp simd'}}
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for (int k = 0; k < argc; ++k)
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++k;
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#pragma omp parallel
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{
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int v = 0;
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int i;
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#pragma omp simd lastprivate(i)
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for (int k = 0; k < argc; ++k) {
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i = k;
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v += i;
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}
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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 simd lastprivate(j) // expected-error {{arguments of OpenMP clause 'lastprivate' cannot be of reference type}}
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for (int k = 0; k < argc; ++k)
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++k;
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#pragma omp simd lastprivate(i)
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for (int k = 0; k < argc; ++k)
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++k;
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return 0;
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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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int i;
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int &j = i; // expected-note {{'j' defined here}}
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#pragma omp simd lastprivate // expected-error {{expected '(' after 'lastprivate'}}
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for (i = 0; i < argc; ++i)
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foo();
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#pragma omp simd lastprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (i = 0; i < argc; ++i)
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foo();
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#pragma omp simd lastprivate() // expected-error {{expected expression}}
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for (i = 0; i < argc; ++i)
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foo();
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#pragma omp simd lastprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (i = 0; i < argc; ++i)
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foo();
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#pragma omp simd lastprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (i = 0; i < argc; ++i)
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foo();
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#pragma omp simd lastprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
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for (i = 0; i < argc; ++i)
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foo();
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#pragma omp simd lastprivate(argc)
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for (i = 0; i < argc; ++i)
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foo();
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#pragma omp simd lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
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for (i = 0; i < argc; ++i)
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foo();
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#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}}
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for (i = 0; i < argc; ++i)
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foo();
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#pragma omp simd lastprivate(argv[1]) // expected-error {{expected variable name}}
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for (i = 0; i < argc; ++i)
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foo();
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#pragma omp simd lastprivate(2 * 2) // expected-error {{expected variable name}}
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for (i = 0; i < argc; ++i)
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foo();
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#pragma omp simd lastprivate(ba)
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for (i = 0; i < argc; ++i)
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foo();
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#pragma omp simd lastprivate(ca) // expected-error {{shared variable cannot be lastprivate}}
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for (i = 0; i < argc; ++i)
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foo();
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#pragma omp simd lastprivate(da) // expected-error {{shared variable cannot be lastprivate}}
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for (i = 0; i < argc; ++i)
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foo();
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int xa;
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#pragma omp simd lastprivate(xa) // OK
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for (i = 0; i < argc; ++i)
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foo();
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#pragma omp simd lastprivate(S2::S2s) // expected-error {{shared variable cannot be lastprivate}}
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for (i = 0; i < argc; ++i)
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foo();
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#pragma omp simd lastprivate(S2::S2sc) // expected-error {{shared variable cannot be lastprivate}}
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for (i = 0; i < argc; ++i)
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foo();
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#pragma omp simd firstprivate(g) // expected-error {{unexpected OpenMP clause 'firstprivate' in directive '#pragma omp simd'}}
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for (i = 0; i < argc; ++i)
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foo();
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#pragma omp simd 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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for (i = 0; i < argc; ++i)
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foo();
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#pragma omp simd lastprivate(m) // expected-error {{'operator=' is a private member of 'S3'}}
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for (i = 0; i < argc; ++i)
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foo();
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#pragma omp simd lastprivate(h) // expected-error {{threadprivate or thread local variable cannot be lastprivate}}
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for (i = 0; i < argc; ++i)
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foo();
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#pragma omp simd private(xa), lastprivate(xa) // expected-error {{private variable cannot be lastprivate}} expected-note {{defined as private}}
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for (i = 0; i < argc; ++i)
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foo();
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#pragma omp simd lastprivate(i) // expected-note {{defined as lastprivate}}
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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}}
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foo();
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#pragma omp parallel private(xa)
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#pragma omp simd lastprivate(xa) // OK: may be lastprivate
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for (i = 0; i < argc; ++i)
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foo();
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#pragma omp parallel
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#pragma omp simd lastprivate(j) // expected-error {{arguments of OpenMP clause 'lastprivate' cannot be of reference type}}
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for (i = 0; i < argc; ++i)
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foo();
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return 0;
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}
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