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OpenMP 4.1 allows to use variables with reference types in all private clauses (private, firstprivate, lastprivate, linear etc.). Patch allows to use such variables and fixes codegen for linear variables with reference types. llvm-svn: 245268
248 lines
8.0 KiB
C++
248 lines
8.0 KiB
C++
// RUN: %clang_cc1 -verify -fopenmp %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(const S2 &s2) : a(s2.a) {}
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static float S2s;
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static const float S2sc;
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};
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const float S2::S2sc = 0;
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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);
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public:
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S3() : a(0) {}
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S3(const 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); // expected-note 2 {{implicitly declared private here}}
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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(const S5 &s5) : a(s5.a) {} // expected-note 4 {{implicitly declared private here}}
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public:
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S5() : a(0) {}
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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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C g(5);
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int i;
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int &j = i;
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#pragma omp parallel
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#pragma omp single firstprivate // expected-error {{expected '(' after 'firstprivate'}}
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foo();
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#pragma omp parallel
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#pragma omp single firstprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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foo();
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#pragma omp parallel
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#pragma omp single firstprivate() // expected-error {{expected expression}}
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foo();
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#pragma omp parallel
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#pragma omp single firstprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
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foo();
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#pragma omp parallel
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#pragma omp single firstprivate(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
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#pragma omp single firstprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
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foo();
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#pragma omp parallel
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#pragma omp single firstprivate(argc)
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foo();
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#pragma omp parallel
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#pragma omp single firstprivate(S1) // expected-error {{'S1' does not refer to a value}}
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foo();
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#pragma omp parallel
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#pragma omp single firstprivate(a, b) // expected-error {{firstprivate variable with incomplete type 'S1'}}
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foo();
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#pragma omp parallel
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#pragma omp single firstprivate(argv[1]) // expected-error {{expected variable name}}
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foo();
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#pragma omp parallel
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#pragma omp single firstprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
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foo();
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#pragma omp parallel
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#pragma omp single firstprivate(h) // expected-error {{threadprivate or thread local variable cannot be firstprivate}}
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foo();
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#pragma omp parallel
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#pragma omp single linear(i) // expected-error {{unexpected OpenMP clause 'linear' in directive '#pragma omp single'}}
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foo();
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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 single' directive into a parallel or another task region?}}
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#pragma omp single firstprivate(i) // expected-error {{private variable cannot be firstprivate}}
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foo();
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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 single firstprivate(j)
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foo();
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#pragma omp parallel
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#pragma omp single firstprivate(i)
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foo();
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#pragma omp parallel
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#pragma omp single firstprivate(g) // expected-error {{calling a private constructor of class 'S5'}}
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foo();
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#pragma omp parallel private(i) // expected-note {{defined as private}}
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#pragma omp single firstprivate(i) // expected-error {{firstprivate variable must be shared}}
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foo();
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#pragma omp parallel reduction(+ : i) // expected-note {{defined as reduction}}
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#pragma omp single firstprivate(i) // expected-error {{firstprivate variable must be shared}}
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foo();
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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;
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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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S3 m;
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S6 n(2);
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int i;
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int &j = i;
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#pragma omp parallel
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#pragma omp single firstprivate // expected-error {{expected '(' after 'firstprivate'}}
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foo();
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#pragma omp parallel
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#pragma omp single firstprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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foo();
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#pragma omp parallel
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#pragma omp single firstprivate() // expected-error {{expected expression}}
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foo();
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#pragma omp parallel
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#pragma omp single firstprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
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foo();
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#pragma omp parallel
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#pragma omp single firstprivate(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
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#pragma omp single firstprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
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foo();
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#pragma omp parallel
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#pragma omp single firstprivate(argc)
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foo();
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#pragma omp parallel
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#pragma omp single firstprivate(S1) // expected-error {{'S1' does not refer to a value}}
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foo();
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#pragma omp parallel
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#pragma omp single firstprivate(a, b, c, d, f) // expected-error {{firstprivate variable with incomplete type 'S1'}}
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foo();
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#pragma omp parallel
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#pragma omp single firstprivate(argv[1]) // expected-error {{expected variable name}}
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foo();
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#pragma omp parallel
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#pragma omp single firstprivate(2 * 2) // expected-error {{expected variable name}}
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foo();
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#pragma omp parallel
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#pragma omp single firstprivate(ba) // OK
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foo();
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#pragma omp parallel
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#pragma omp single firstprivate(ca) // OK
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foo();
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#pragma omp parallel
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#pragma omp single firstprivate(da) // OK
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foo();
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int xa;
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#pragma omp parallel
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#pragma omp single firstprivate(xa) // OK
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foo();
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#pragma omp parallel
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#pragma omp single firstprivate(S2::S2s) // OK
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foo();
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#pragma omp parallel
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#pragma omp single firstprivate(S2::S2sc) // OK
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foo();
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#pragma omp parallel
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#pragma omp single safelen(5) // expected-error {{unexpected OpenMP clause 'safelen' in directive '#pragma omp single'}}
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foo();
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#pragma omp parallel
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#pragma omp single firstprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
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foo();
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#pragma omp parallel
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#pragma omp single firstprivate(m) // OK
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foo();
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#pragma omp parallel
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#pragma omp single firstprivate(h, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be firstprivate}}
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foo();
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#pragma omp parallel
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#pragma omp single private(xa), firstprivate(xa) // expected-error {{private variable cannot be firstprivate}} expected-note {{defined as private}}
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foo();
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#pragma omp parallel shared(xa)
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#pragma omp single firstprivate(xa) // OK: may be firstprivate
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foo();
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#pragma omp parallel
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#pragma omp single firstprivate(j)
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foo();
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#pragma omp parallel
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#pragma omp single firstprivate(g) // expected-error {{calling a private constructor of class 'S5'}}
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foo();
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#pragma omp parallel
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#pragma omp single firstprivate(n) // OK
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foo();
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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 single' directive into a parallel or another task region?}}
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#pragma omp single firstprivate(i) // expected-error {{private variable cannot be firstprivate}}
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foo();
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v += i;
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}
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#pragma omp parallel private(i) // expected-note {{defined as private}}
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#pragma omp single firstprivate(i) // expected-error {{firstprivate variable must be shared}}
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foo();
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#pragma omp parallel reduction(+ : i) // expected-note {{defined as reduction}}
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#pragma omp single firstprivate(i) // expected-error {{firstprivate variable must be shared}}
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foo();
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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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