Files
clang-p2996/clang/test/OpenMP/simd_linear_messages.cpp
Alexey Bataev 1185e193a4 [OPENMP 4.1] Allow to use 'uval' and 'ref' modifiers for reference types only.
Standard allows to use 'uval' and 'ref' modifiers in 'linear' clause for variables with reference types only. Added check for it and modified test.

llvm-svn: 245556
2015-08-20 12:15:57 +00:00

250 lines
9.8 KiB
C++

// RUN: %clang_cc1 -verify -fopenmp %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[(int)ind2];
ind2 += L;
sum += cur;
}
return T();
}
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;
#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 (val // expected-error {{use of undeclared identifier 'val'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp simd linear (uval( // expected-error {{expected expression}} expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp simd linear (ref() // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp simd linear (foo() // 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 (val argc // expected-error {{use of undeclared identifier 'val'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp simd linear (val(argc, // expected-error {{expected expression}} expected-error 2 {{expected ')'}} expected-note 2 {{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 (val(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(ref(e, g)) // expected-error 2 {{variable of non-reference type 'int' can be used only with 'val' modifier, but used with 'ref'}}
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(uval(i)) // expected-error {{variable of non-reference type 'int' can be used only with 'val' modifier, but used with 'uval'}}
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(ref(j))
for (int k = 0; k < argc; ++k) ++k;
#pragma omp simd linear(uval(j))
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;
}
namespace A {
double x;
#pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
}
namespace C {
using A::x;
}
void linear_modifiers(int argc) {
int &f = argc;
#pragma omp simd linear(f)
for (int k = 0; k < argc; ++k) ++k;
#pragma omp simd linear(val(f))
for (int k = 0; k < argc; ++k) ++k;
#pragma omp simd linear(uval(f))
for (int k = 0; k < argc; ++k) ++k;
#pragma omp simd linear(ref(f))
for (int k = 0; k < argc; ++k) ++k;
#pragma omp simd linear(foo(f)) // expected-error {{expected one of 'ref', val' or 'uval' modifiers}}
for (int k = 0; k < argc; ++k) ++k;
}
int f;
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;
#pragma omp simd linear(f) linear(f) // expected-error {{linear variable cannot be linear}} expected-note {{defined as linear}}
for (int k = 0; k < argc; ++k) ++k;
#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 (val // expected-error {{use of undeclared identifier 'val'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp simd linear (ref()) // expected-error {{expected expression}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp simd linear (foo()) // 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(val(e, g))
for (int k = 0; k < argc; ++k) ++k;
#pragma omp simd linear(h, C::x) // expected-error 2 {{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(val(i))
for (int k = 0; k < argc; ++k) ++k;
#pragma omp simd linear(uval(i) : 4) // expected-error {{variable of non-reference type 'int' can be used only with 'val' modifier, but used with 'uval'}}
for (int k = 0; k < argc; ++k) { ++k; i += 4; }
}
#pragma omp simd linear(ref(j))
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); // expected-note {{in instantiation of function template specialization 'foomain<int, char>' requested here}}
return 0;
}