bd9fec1eaa
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
215 lines
7.4 KiB
C++
215 lines
7.4 KiB
C++
// RUN: %clang_cc1 -verify -fopenmp %s
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namespace X {
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int x;
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};
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struct B {
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static int ib; // expected-note {{'B::ib' declared here}}
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static int bfoo() { return 8; }
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};
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int bfoo() { return 4; }
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int z;
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const int C1 = 1;
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const int C2 = 2;
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void test_linear_colons()
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{
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int B = 0;
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#pragma omp for simd linear(B:bfoo())
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for (int i = 0; i < 10; ++i) ;
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// expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'}}
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#pragma omp for simd linear(B::ib:B:bfoo())
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for (int i = 0; i < 10; ++i) ;
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// expected-error@+1 {{use of undeclared identifier 'ib'; did you mean 'B::ib'}}
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#pragma omp for simd linear(B:ib)
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for (int i = 0; i < 10; ++i) ;
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// expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'?}}
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#pragma omp for simd linear(z:B:ib)
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for (int i = 0; i < 10; ++i) ;
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#pragma omp for simd linear(B:B::bfoo())
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for (int i = 0; i < 10; ++i) ;
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#pragma omp for simd linear(X::x : ::z)
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for (int i = 0; i < 10; ++i) ;
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#pragma omp for simd linear(B,::z, X::x)
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for (int i = 0; i < 10; ++i) ;
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#pragma omp for simd linear(::z)
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for (int i = 0; i < 10; ++i) ;
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// expected-error@+1 {{expected variable name}}
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#pragma omp for simd linear(B::bfoo())
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for (int i = 0; i < 10; ++i) ;
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#pragma omp for simd linear(B::ib,B:C1+C2)
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for (int i = 0; i < 10; ++i) ;
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}
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template<int L, class T, class N> T test_template(T* arr, N num) {
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N i;
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T sum = (T)0;
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T ind2 = - num * L; // expected-note {{'ind2' defined here}}
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// expected-error@+1 {{argument of a linear clause should be of integral or pointer type}}
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#pragma omp for simd linear(ind2:L)
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for (i = 0; i < num; ++i) {
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T cur = arr[(int)ind2];
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ind2 += L;
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sum += cur;
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}
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return T();
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}
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template<int LEN> int test_warn() {
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int ind2 = 0;
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// expected-warning@+1 {{zero linear step (ind2 should probably be const)}}
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#pragma omp for simd linear(ind2:LEN)
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for (int i = 0; i < 100; i++) {
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ind2 += LEN;
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}
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return ind2;
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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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};
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const S2 b; // expected-note 2 {{'b' defined here}}
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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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};
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const S3 ca[5];
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class S4 {
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int a;
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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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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 2 {{defined as threadprivate or thread local}}
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template<class I, class C> 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;
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#pragma omp for simd linear // expected-error {{expected '(' after 'linear'}}
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp for simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp for simd linear () // expected-error {{expected expression}}
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp for simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp for simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp for simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp for simd linear (argc : 5)
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp for simd linear (S1) // expected-error {{'S1' does not refer to a value}}
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for (int k = 0; k < argc; ++k) ++k;
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// expected-error@+2 {{linear variable with incomplete type 'S1'}}
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// expected-error@+1 {{const-qualified variable cannot be linear}}
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#pragma omp for simd linear (a, b:B::ib)
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp for simd linear (argv[1]) // expected-error {{expected variable name}}
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp for simd linear(e, g)
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp for simd linear(h) // expected-error {{threadprivate or thread local variable cannot be linear}}
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp for simd linear(i)
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for (int k = 0; k < argc; ++k) ++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 for simd linear(v:i)
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for (int k = 0; k < argc; ++k) { i = k; v += i; }
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}
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#pragma omp for simd linear(j)
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for (int k = 0; k < argc; ++k) ++k;
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int v = 0;
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#pragma omp for simd linear(v:j)
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for (int k = 0; k < argc; ++k) { ++k; v += j; }
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#pragma omp for simd linear(i)
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for (int k = 0; k < argc; ++k) ++k;
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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 C {
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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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double darr[100];
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// expected-note@+1 {{in instantiation of function template specialization 'test_template<-4, double, int>' requested here}}
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test_template<-4>(darr, 4);
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// expected-note@+1 {{in instantiation of function template specialization 'test_warn<0>' requested here}}
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test_warn<0>();
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S4 e(4); // expected-note {{'e' defined here}}
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S5 g(5); // expected-note {{'g' defined here}}
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int i;
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int &j = i;
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#pragma omp for simd linear // expected-error {{expected '(' after 'linear'}}
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp for simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp for simd linear () // expected-error {{expected expression}}
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp for simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp for simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp for simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp for simd linear (argc)
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp for simd linear (S1) // expected-error {{'S1' does not refer to a value}}
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for (int k = 0; k < argc; ++k) ++k;
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// expected-error@+2 {{linear variable with incomplete type 'S1'}}
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// expected-error@+1 {{const-qualified variable cannot be linear}}
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#pragma omp for simd linear (a, b)
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp for simd linear (argv[1]) // expected-error {{expected variable name}}
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for (int k = 0; k < argc; ++k) ++k;
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// expected-error@+2 {{argument of a linear clause should be of integral or pointer type, not 'S4'}}
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// expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S5'}}
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#pragma omp for simd linear(e, g)
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp for simd linear(h, C::x) // expected-error 2 {{threadprivate or thread local variable cannot be linear}}
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp parallel
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{
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int i;
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#pragma omp for simd linear(i)
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp for simd linear(i : 4)
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for (int k = 0; k < argc; ++k) { ++k; i += 4; }
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}
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#pragma omp for simd linear(j)
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp for simd linear(i)
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for (int k = 0; k < argc; ++k) ++k;
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foomain<int,char>(argc,argv);
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return 0;
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}
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