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// RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
// RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
extern int omp_default_mem_alloc;
void xxx(int argc) {
int i, lin, step; // expected-note {{initialize the variable 'lin' to silence this warning}} expected-note {{initialize the variable 'step' to silence this warning}}
#pragma omp for linear(lin : step) // expected-warning {{variable 'lin' is uninitialized when used here}} expected-warning {{variable 'step' is uninitialized when used here}}
for (i = 0; i < 10; ++i)
;
}
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 for linear(B:bfoo())
for (int i = 0; i < 10; ++i) ;
// expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'}}
#pragma omp for 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 for linear(B:ib)
for (int i = 0; i < 10; ++i) ;
// expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'?}}
#pragma omp for linear(z:B:ib)
for (int i = 0; i < 10; ++i) ;
#pragma omp for linear(B:B::bfoo())
for (int i = 0; i < 10; ++i) ;
#pragma omp for linear(X::x : ::z)
for (int i = 0; i < 10; ++i) ;
#pragma omp for linear(B,::z, X::x)
for (int i = 0; i < 10; ++i) ;
#pragma omp for linear(::z)
for (int i = 0; i < 10; ++i) ;
// expected-error@+1 {{expected variable name}}
#pragma omp for linear(B::bfoo())
for (int i = 0; i < 10; ++i) ;
#pragma omp for 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 for 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 for 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, k;
int &j = i;
#pragma omp for linear // expected-error {{expected '(' after 'linear'}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp for linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp for linear () // expected-error {{expected expression}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp for linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp for linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp for linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp for linear (argc : 5) allocate , allocate(, allocate(omp_default , allocate(omp_default_mem_alloc, allocate(omp_default_mem_alloc:, allocate(omp_default_mem_alloc: argc, allocate(omp_default_mem_alloc: argv), allocate(argv) // expected-error {{expected '(' after 'allocate'}} expected-error 2 {{expected expression}} expected-error 2 {{expected ')'}} expected-error {{use of undeclared identifier 'omp_default'}} expected-note 2 {{to match this '('}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp for 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 {{argument of a linear clause should be of integral or pointer type, not 'S2'}}
#pragma omp for linear (a, b:B::ib)
for (int k = 0; k < argc; ++k) ++k;
#pragma omp for linear (argv[1]) // expected-error {{expected variable name}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp for linear(e, g, k)
for (int k = 0; k < argc; ++k) ++k;
#pragma omp for linear(h) // expected-error {{threadprivate or thread local variable cannot be linear}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp for linear(i)
for (int k = 0; k < argc; ++k) ++k;
#pragma omp parallel
{
int v = 0;
int i;
#pragma omp for linear(v:i)
for (int k = 0; k < argc; ++k) { i = k; v += i; }
}
#pragma omp for linear(j)
for (int k = 0; k < argc; ++k) ++k;
int v = 0;
#pragma omp for linear(v:j)
for (int k = 0; k < argc; ++k) { ++k; v += j; }
#pragma omp for linear(i)
for (int k = 0; k < argc; ++k) ++k;
#pragma omp for linear(i) ordered(1) // expected-error {{'linear' clause cannot be specified along with 'ordered' clause with a parameter}}
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;
}
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, k;
int &j = i;
#pragma omp for linear // expected-error {{expected '(' after 'linear'}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp for linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp for linear () // expected-error {{expected expression}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp for linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp for linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp for linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp for linear (argc)
for (int k = 0; k < argc; ++k) ++k;
#pragma omp for 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 {{argument of a linear clause should be of integral or pointer type, not 'S2'}}
#pragma omp for linear(a, b, k)
for (int k = 0; k < argc; ++k) ++k;
#pragma omp for 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 for linear(e, g)
for (int k = 0; k < argc; ++k) ++k;
#pragma omp for 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 for linear(i)
for (int k = 0; k < argc; ++k) ++k;
#pragma omp for linear(i : 4)
for (int k = 0; k < argc; ++k) { ++k; i += 4; }
}
#pragma omp for linear(j)
for (int k = 0; k < argc; ++k) ++k;
#pragma omp for linear(i)
for (int k = 0; k < argc; ++k) ++k;
#pragma omp for linear(i) ordered(1) // expected-error {{'linear' clause cannot be specified along with 'ordered' clause with a parameter}}
for (int k = 0; k < argc; ++k) ++k;
foomain<int,char>(argc,argv); // expected-note {{n instantiation of function template specialization 'foomain<int, char>' requested here}}
return 0;
}
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