llvm-project/clang/test/OpenMP/simd_linear_messages.cpp

206 lines
7.3 KiB
C++

// RUN: %clang_cc1 -verify -fopenmp=libiomp5 %s
namespace X {
int x;
};
struct B {
static int ib; // expected-note {{'B::ib' declared here}}
static int bfoo() { return 8; }
};
int bfoo() { return 4; }
int z;
const int C1 = 1;
const int C2 = 2;
void test_linear_colons()
{
int B = 0;
#pragma omp simd linear(B:bfoo())
for (int i = 0; i < 10; ++i) ;
// expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'}}
#pragma omp simd linear(B::ib:B:bfoo())
for (int i = 0; i < 10; ++i) ;
// expected-error@+1 {{use of undeclared identifier 'ib'; did you mean 'B::ib'}}
#pragma omp simd linear(B:ib)
for (int i = 0; i < 10; ++i) ;
// expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'?}}
#pragma omp simd linear(z:B:ib)
for (int i = 0; i < 10; ++i) ;
#pragma omp simd linear(B:B::bfoo())
for (int i = 0; i < 10; ++i) ;
#pragma omp simd linear(X::x : ::z)
for (int i = 0; i < 10; ++i) ;
#pragma omp simd linear(B,::z, X::x)
for (int i = 0; i < 10; ++i) ;
#pragma omp simd linear(::z)
for (int i = 0; i < 10; ++i) ;
// expected-error@+1 {{expected variable name}}
#pragma omp simd linear(B::bfoo())
for (int i = 0; i < 10; ++i) ;
#pragma omp simd linear(B::ib,B:C1+C2)
for (int i = 0; i < 10; ++i) ;
}
template<int L, class T, class N> T test_template(T* arr, N num) {
N i;
T sum = (T)0;
T ind2 = - num * L; // expected-note {{'ind2' defined here}}
// expected-error@+1 {{argument of a linear clause should be of integral or pointer type}}
#pragma omp simd linear(ind2:L)
for (i = 0; i < num; ++i) {
T cur = arr[ind2];
ind2 += L;
sum += cur;
}
}
template<int LEN> int test_warn() {
int ind2 = 0;
// expected-warning@+1 {{zero linear step (ind2 should probably be const)}}
#pragma omp simd linear(ind2:LEN)
for (int i = 0; i < 100; i++) {
ind2 += LEN;
}
return ind2;
}
struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
extern S1 a;
class S2 {
mutable int a;
public:
S2():a(0) { }
};
const S2 b; // expected-note 2 {{'b' defined here}}
const S2 ba[5];
class S3 {
int a;
public:
S3():a(0) { }
};
const S3 ca[5];
class S4 {
int a;
S4();
public:
S4(int v):a(v) { }
};
class S5 {
int a;
S5():a(0) {}
public:
S5(int v):a(v) { }
};
S3 h;
#pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
template<class I, class C> int foomain(I argc, C **argv) {
I e(4);
I g(5);
int i;
int &j = i; // expected-note {{'j' defined here}}
#pragma omp simd linear // expected-error {{expected '(' after 'linear'}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp simd linear () // expected-error {{expected expression}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp simd linear (argc : 5)
for (int k = 0; k < argc; ++k) ++k;
#pragma omp simd linear (S1) // expected-error {{'S1' does not refer to a value}}
for (int k = 0; k < argc; ++k) ++k;
// expected-error@+2 {{linear variable with incomplete type 'S1'}}
// expected-error@+1 {{const-qualified variable cannot be linear}}
#pragma omp simd linear (a, b:B::ib)
for (int k = 0; k < argc; ++k) ++k;
#pragma omp simd linear (argv[1]) // expected-error {{expected variable name}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp simd linear(e, g)
for (int k = 0; k < argc; ++k) ++k;
#pragma omp simd linear(h) // expected-error {{threadprivate or thread local variable cannot be linear}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp simd linear(i)
for (int k = 0; k < argc; ++k) ++k;
#pragma omp parallel
{
int v = 0;
int i;
#pragma omp simd linear(v:i)
for (int k = 0; k < argc; ++k) { i = k; v += i; }
}
#pragma omp simd linear(j) // expected-error {{arguments of OpenMP clause 'linear' cannot be of reference type}}
for (int k = 0; k < argc; ++k) ++k;
int v = 0;
#pragma omp simd linear(v:j)
for (int k = 0; k < argc; ++k) { ++k; v += j; }
#pragma omp simd linear(i)
for (int k = 0; k < argc; ++k) ++k;
return 0;
}
int main(int argc, char **argv) {
double darr[100];
// expected-note@+1 {{in instantiation of function template specialization 'test_template<-4, double, int>' requested here}}
test_template<-4>(darr, 4);
// expected-note@+1 {{in instantiation of function template specialization 'test_warn<0>' requested here}}
test_warn<0>();
S4 e(4); // expected-note {{'e' defined here}}
S5 g(5); // expected-note {{'g' defined here}}
int i;
int &j = i; // expected-note {{'j' defined here}}
#pragma omp simd linear // expected-error {{expected '(' after 'linear'}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp simd linear () // expected-error {{expected expression}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp simd linear (argc)
for (int k = 0; k < argc; ++k) ++k;
#pragma omp simd linear (S1) // expected-error {{'S1' does not refer to a value}}
for (int k = 0; k < argc; ++k) ++k;
// expected-error@+2 {{linear variable with incomplete type 'S1'}}
// expected-error@+1 {{const-qualified variable cannot be linear}}
#pragma omp simd linear (a, b)
for (int k = 0; k < argc; ++k) ++k;
#pragma omp simd linear (argv[1]) // expected-error {{expected variable name}}
for (int k = 0; k < argc; ++k) ++k;
// expected-error@+2 {{argument of a linear clause should be of integral or pointer type, not 'S4'}}
// expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S5'}}
#pragma omp simd linear(e, g)
for (int k = 0; k < argc; ++k) ++k;
#pragma omp simd linear(h) // expected-error {{threadprivate or thread local variable cannot be linear}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp parallel
{
int i;
#pragma omp simd linear(i)
for (int k = 0; k < argc; ++k) ++k;
#pragma omp simd linear(i : 4)
for (int k = 0; k < argc; ++k) { ++k; i += 4; }
}
#pragma omp simd linear(j) // expected-error {{arguments of OpenMP clause 'linear' cannot be of reference type 'int &'}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp simd linear(i)
for (int k = 0; k < argc; ++k) ++k;
foomain<int,char>(argc,argv);
return 0;
}