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llvm-project/clang/test/OpenMP/distribute_simd_aligned_messages.cpp
Jennifer Yu 656d022331 Stop emit incomplete type error for a variable in a map clause 
where should not.

Currently we are using QTy->isIncompleteType(&ND) to check incomplete
type.  But before doing that, need to instantiate for a class template
specialization or a class member of a class template specialization,
or an array with known size of such..., so that we know it is really
incomplete type.

To fix this using RequireCompleteType instead.

The new test is added into "test/OpenMP/target_update_messages.cpp"

The different of using RequireCompleteType is when emit incomplete type,
an additional note is also emitted to point to where incomplete type
is declared.  Because this change, many tests are needed to be fixed
by adding additional note.

This is to fix https://bugs.llvm.org/show_bug.cgi?id=50508

Differential Revision: https://reviews.llvm.org/D107200
2021-08-03 10:51:32 -07:00

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// RUN: %clang_cc1 -x c++ -std=c++11 -verify -fopenmp %s -Wuninitialized
// RUN: %clang_cc1 -x c++ -std=c++11 -verify -fopenmp-simd %s -Wuninitialized
struct B {
static int ib[20]; // expected-note 0 {{'B::ib' declared here}}
static constexpr int bfoo() { return 8; }
};
namespace X {
B x; // expected-note {{'x' defined here}}
};
constexpr int bfoo() { return 4; }
int **z;
const int C1 = 1;
const int C2 = 2;
void test_aligned_colons(int *&rp)
{
int *B = 0;
#pragma omp target
#pragma omp teams
#pragma omp distribute simd aligned(B:bfoo())
for (int i = 0; i < 10; ++i) ;
#pragma omp target
#pragma omp teams
#pragma omp distribute simd aligned(B::ib:B:bfoo()) // expected-error {{unexpected ':' in nested name specifier; did you mean '::'}}
for (int i = 0; i < 10; ++i) ;
#pragma omp target
#pragma omp teams
#pragma omp distribute simd aligned(B:B::bfoo())
for (int i = 0; i < 10; ++i) ;
#pragma omp target
#pragma omp teams
#pragma omp distribute simd aligned(z:B:bfoo()) // expected-error {{unexpected ':' in nested name specifier; did you mean '::'?}}
for (int i = 0; i < 10; ++i) ;
#pragma omp target
#pragma omp teams
#pragma omp distribute simd aligned(B:B::bfoo())
for (int i = 0; i < 10; ++i) ;
#pragma omp target
#pragma omp teams
#pragma omp distribute simd aligned(X::x : ::z) // expected-error {{integral constant expression must have integral or unscoped enumeration type, not 'int **'}} expected-error {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'B'}}
for (int i = 0; i < 10; ++i) ;
#pragma omp target
#pragma omp teams
#pragma omp distribute simd aligned(B,rp,::z: X::x) // expected-error {{integral constant expression must have integral or unscoped enumeration type, not 'B'}}
for (int i = 0; i < 10; ++i) ;
#pragma omp target
#pragma omp teams
#pragma omp distribute simd aligned(::z)
for (int i = 0; i < 10; ++i) ;
#pragma omp distribute simd aligned(B::bfoo()) // expected-error {{expected variable name}}
for (int i = 0; i < 10; ++i) ;
#pragma omp target
#pragma omp teams
#pragma omp distribute simd aligned(B::ib,B:C1+C2) // expected-warning {{aligned clause will be ignored because the requested alignment is not a power of 2}}
for (int i = 0; i < 10; ++i) ;
}
// expected-note@+1 {{'num' defined here}}
template<int L, class T, class N> T test_template(T* arr, N num) {
N i;
T sum = (T)0;
T ind2 = - num * L;
// Negative number is passed as L.
#pragma omp target
#pragma omp teams
#pragma omp distribute simd aligned(arr:L) // expected-error {{argument to 'aligned' clause must be a strictly positive integer value}}
for (i = 0; i < num; ++i) {
T cur = arr[(int)ind2];
ind2 += L;
sum += cur;
}
#pragma omp target
#pragma omp teams
#pragma omp distribute simd aligned(num:4) // expected-error {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'int'}}
for (i = 0; i < num; ++i);
return T();
}
template<int LEN> int test_warn() {
int *ind2 = 0;
#pragma omp target
#pragma omp teams
#pragma omp distribute simd aligned(ind2:LEN) // expected-error {{argument to 'aligned' clause must be a strictly positive integer value}}
for (int i = 0; i < 100; i++) {
ind2 += LEN;
}
return 0;
}
struct S1; // expected-note 2 {{declared here}} // expected-note {{forward declaration of 'S1'}}
extern S1 a; // expected-note {{'a' declared here}}
class S2 {
mutable int a;
public:
S2():a(0) { }
};
const S2 b; // expected-note 1 {{'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; // expected-note 2 {{'h' defined here}}
#pragma omp threadprivate(h)
template<class I, class C> int foomain(I argc, C **argv) {
I e(argc);
I g(argc);
int i; // expected-note {{'i' defined here}}
// expected-note@+1 {{declared here}}
int &j = i;
#pragma omp target
#pragma omp teams
#pragma omp distribute simd aligned // expected-error {{expected '(' after 'aligned'}}
for (I k = 0; k < argc; ++k) ++k;
#pragma omp target
#pragma omp teams
#pragma omp distribute simd aligned ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
for (I k = 0; k < argc; ++k) ++k;
#pragma omp target
#pragma omp teams
#pragma omp distribute simd aligned () // expected-error {{expected expression}}
for (I k = 0; k < argc; ++k) ++k;
#pragma omp target
#pragma omp teams
#pragma omp distribute simd aligned (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
for (I k = 0; k < argc; ++k) ++k;
#pragma omp target
#pragma omp teams
#pragma omp distribute simd aligned (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
for (I k = 0; k < argc; ++k) ++k;
#pragma omp target
#pragma omp teams
// FIXME: Should argc really be a pointer?
#pragma omp distribute simd aligned (*argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
for (I k = 0; k < argc; ++k) ++k;
#pragma omp target
#pragma omp teams
#pragma omp distribute simd aligned (argc : 5) // expected-warning {{aligned clause will be ignored because the requested alignment is not a power of 2}}
for (I k = 0; k < argc; ++k) ++k;
#pragma omp target
#pragma omp teams
#pragma omp distribute simd aligned (S1) // expected-error {{'S1' does not refer to a value}}
for (I k = 0; k < argc; ++k) ++k;
#pragma omp target
#pragma omp teams
#pragma omp distribute simd aligned (argv[1]) // expected-error {{expected variable name}}
for (I k = 0; k < argc; ++k) ++k;
#pragma omp target
#pragma omp teams
#pragma omp distribute simd aligned(e, g)
for (I k = 0; k < argc; ++k) ++k;
#pragma omp target
#pragma omp teams
#pragma omp distribute simd aligned(h) // expected-error {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'S3'}}
for (I k = 0; k < argc; ++k) ++k;
#pragma omp target
#pragma omp teams
#pragma omp distribute simd aligned(i) // expected-error {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'int'}}
for (I k = 0; k < argc; ++k) ++k;
#pragma omp parallel
{
int *v = 0;
I i;
#pragma omp target
#pragma omp teams
#pragma omp distribute simd aligned(v:16)
for (I k = 0; k < argc; ++k) { i = k; v += 2; }
}
float *f;
#pragma omp target
#pragma omp teams
#pragma omp distribute simd aligned(f)
for (I k = 0; k < argc; ++k) ++k;
int v = 0;
#pragma omp target
#pragma omp teams
#pragma omp distribute simd aligned(f:j) // expected-note {{initializer of 'j' is not a constant expression}} expected-error {{integral constant expression}}
for (I k = 0; k < argc; ++k) { ++k; v += j; }
#pragma omp target
#pragma omp teams
#pragma omp distribute simd aligned(f)
for (I k = 0; k < argc; ++k) ++k;
return 0;
}
// expected-note@+1 2 {{'argc' defined here}}
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);
test_warn<4>(); // ok
// expected-note@+1 {{in instantiation of function template specialization 'test_warn<0>' requested here}}
test_warn<0>();
int i;
int &j = i;
#pragma omp target
#pragma omp teams
#pragma omp distribute simd aligned // expected-error {{expected '(' after 'aligned'}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp target
#pragma omp teams
#pragma omp distribute simd aligned ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp target
#pragma omp teams
#pragma omp distribute simd aligned () // expected-error {{expected expression}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp target
#pragma omp teams
#pragma omp distribute simd aligned (argv // expected-error {{expected ')'}} expected-note {{to match this '('}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp target
#pragma omp teams
#pragma omp distribute simd aligned (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'int'}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp target
#pragma omp teams
#pragma omp distribute simd aligned (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp target
#pragma omp teams
#pragma omp distribute simd aligned (argc) // expected-error {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'int'}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp target
#pragma omp teams
#pragma omp distribute simd aligned (S1) // expected-error {{'S1' does not refer to a value}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp target
#pragma omp teams
#pragma omp distribute simd aligned (a, b) // expected-error {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'S1'}} expected-error {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'S2'}} expected-error {{incomplete type 'S1' where a complete type is required}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp target
#pragma omp teams
#pragma omp distribute simd aligned (argv[1]) // expected-error {{expected variable name}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp target
#pragma omp teams
#pragma omp distribute simd aligned(h) // expected-error {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'S3'}}
for (int k = 0; k < argc; ++k) ++k;
int *pargc = &argc;
// expected-note@+1 {{in instantiation of function template specialization 'foomain<int *, char>' requested here}}
foomain<int*,char>(pargc,argv);
return 0;
}
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