llvm-project/clang/test/SemaCXX/matrix-casts.cpp

136 lines
6.9 KiB
C++

// RUN: %clang_cc1 -std=c++11 -fenable-matrix -fsyntax-only -verify %s
template <typename X>
using matrix_4_4 = X __attribute__((matrix_type(4, 4)));
template <typename Y>
using matrix_5_5 = Y __attribute__((matrix_type(5, 5)));
typedef struct test_struct {
} test_struct;
typedef int vec __attribute__((vector_size(4)));
void f1() {
matrix_4_4<char> m1;
matrix_4_4<int> m2;
matrix_4_4<short> m3;
matrix_5_5<int> m4;
int i;
vec v;
test_struct *s;
m2 = (matrix_4_4<int>)m1;
m2 = m1; // expected-error {{assigning to 'matrix_4_4<int>' from incompatible type 'matrix_4_4<char>'}}
m3 = (matrix_4_4<short>)m2;
(matrix_5_5<int>)m3; // expected-error {{conversion between matrix types 'matrix_5_5<int>' (aka 'int __attribute__\
((matrix_type(5, 5)))') and 'short __attribute__((matrix_type(4, 4)))' of different size is not allowed}}
(int)m3; // expected-error {{C-style cast from 'matrix_4_4<short>' (aka 'short __attribute__((matrix_type(4, 4)))') to 'int' is not allowed}}
(matrix_4_4<int>)i; // expected-error {{C-style cast from 'int' to 'matrix_4_4<int>' (aka 'int __attribute__((matrix_type(4, 4)))') is not allowed}}
(vec) m2; // expected-error {{C-style cast from 'matrix_4_4<int>' (aka 'int __attribute__((matrix_type(4, 4)))') to 'vec' (vector of 1 'int' value) is not allowed}}
(matrix_4_4<char>)v; // expected-error {{C-style cast from 'vec' (vector of 1 'int' value) to 'matrix_4_4<char>' (aka 'char __attribute__((matrix_type(4, 4)))') is not allowed}}
(test_struct *)m1; // expected-error {{cannot cast from type 'matrix_4_4<char>' (aka 'char __attribute__((matrix_type(4, 4)))') to pointer type 'test_struct *'}}
(matrix_5_5<float>)s; // expected-error {{C-style cast from 'test_struct *' to 'matrix_5_5<float>' (aka 'float __attribute__((matrix_type(5, 5)))') is not allowed}}
}
void f2() {
matrix_4_4<char> m1;
matrix_4_4<int> m2;
matrix_4_4<short> m3;
matrix_5_5<int> m4;
int i;
vec v;
test_struct *s;
m2 = static_cast<matrix_4_4<int>>(m1);
m3 = static_cast<matrix_4_4<short>>(m2);
static_cast<matrix_5_5<int>>(m3); // expected-error {{conversion between matrix types 'matrix_5_5<int>' (aka 'int __attribute__\
((matrix_type(5, 5)))') and 'short __attribute__((matrix_type(4, 4)))' of different size is not allowed}}
static_cast<int>(m3); // expected-error {{static_cast from 'matrix_4_4<short>' (aka 'short __attribute__((matrix_type(4, 4)))') to 'int' is not allowed}}
static_cast<matrix_4_4<int>>(i); // expected-error {{static_cast from 'int' to 'matrix_4_4<int>' (aka 'int __attribute__((matrix_type(4, 4)))') is not allowed}}
static_cast<vec>(m2); // expected-error {{static_cast from 'matrix_4_4<int>' (aka 'int __attribute__((matrix_type(4, 4)))') to 'vec' (vector of 1 'int' value) is not allowed}}
static_cast<matrix_4_4<char>>(v); // expected-error {{static_cast from 'vec' (vector of 1 'int' value) to 'matrix_4_4<char>' (aka 'char __attribute__((matrix_type(4, 4)))') is not allowed}}
static_cast<test_struct *>(m1); // expected-error {{cannot cast from type 'matrix_4_4<char>' (aka 'char __attribute__((matrix_type(4, 4)))') to pointer type 'test_struct *'}}
static_cast<matrix_5_5<float>>(s); // expected-error {{static_cast from 'test_struct *' to 'matrix_5_5<float>' (aka 'float __attribute__((matrix_type(5, 5)))') is not allowed}}
}
void f3() {
matrix_4_4<float> m1;
matrix_4_4<double> m2;
matrix_5_5<double> m3;
matrix_5_5<signed int> m4;
matrix_4_4<unsigned int> m5;
matrix_5_5<unsigned int> m6;
float f;
m2 = (matrix_4_4<double>)m1;
(matrix_5_5<double>)m1; // expected-error {{conversion between matrix types 'matrix_5_5<double>' (aka 'double __\
attribute__((matrix_type(5, 5)))') and 'float __attribute__((matrix_type(4, 4)))' of different\
size is not allowed}}
m4 = (matrix_5_5<signed int>)m3;
m5 = (matrix_5_5<unsigned int>)m4; // expected-error {{assigning to 'matrix_4_4<unsigned int>' (aka 'unsigned int \
__attribute__((matrix_type(4, 4)))') from incompatible type 'matrix_5_5<unsigned int>' (aka 'unsigned int __attribute__\
((matrix_type(5, 5)))')}}
m6 = (matrix_5_5<unsigned int>)m4;
m4 = (matrix_5_5<signed int>)m6;
}
void f4() {
matrix_4_4<float> m1;
matrix_4_4<double> m2;
matrix_5_5<double> m3;
matrix_5_5<signed int> m4;
matrix_4_4<unsigned int> m5;
matrix_5_5<unsigned int> m6;
float f;
m2 = static_cast<matrix_4_4<double>>(m1);
static_cast<matrix_5_5<double>>(m1); // expected-error {{conversion between matrix types 'matrix_5_5<double>' (aka 'double __\
attribute__((matrix_type(5, 5)))') and 'float __attribute__((matrix_type(4, 4)))' of different size is not allowed}}
m4 = static_cast<matrix_5_5<signed int>>(m3);
m5 = static_cast<matrix_5_5<unsigned int>>(m4); // expected-error {{assigning to 'matrix_4_4<unsigned int>' (aka 'unsigned int \
__attribute__((matrix_type(4, 4)))') from incompatible type 'matrix_5_5<unsigned int>' (aka 'unsigned int __attribute__\
((matrix_type(5, 5)))')}}
m6 = static_cast<matrix_5_5<unsigned int>>(m4);
m4 = static_cast<matrix_5_5<signed int>>(m6);
}
class Foo {
// expected-note@-1 {{candidate constructor (the implicit copy constructor) not viable: no known conversion from 'matrix_4_4<float>' (aka 'float __attribute__((matrix_type(4, 4)))') to 'const Foo' for 1st argument}}
// expected-note@-2 {{candidate constructor (the implicit move constructor) not viable: no known conversion from 'matrix_4_4<float>' (aka 'float __attribute__((matrix_type(4, 4)))') to 'Foo' for 1st argument}}
int x;
public:
Foo();
// expected-note@-1 {{candidate constructor not viable: requires 0 arguments, but 1 was provided}}
Foo(matrix_5_5<int> x);
// expected-note@-1 {{candidate constructor not viable: no known conversion from 'matrix_4_4<float>' (aka 'float __attribute__((matrix_type(4, 4)))') to 'matrix_5_5<int>' (aka 'int __attribute__((matrix_type(5, 5)))') for 1st argument}}
};
struct Bar {
// expected-note@-1 {{candidate constructor (the implicit copy constructor) not viable: no known conversion from 'matrix_4_4<unsigned int>' (aka 'unsigned int __attribute__((matrix_type(4, 4)))') to 'const Bar' for 1st argument}}
// expected-note@-2 {{candidate constructor (the implicit move constructor) not viable: no known conversion from 'matrix_4_4<unsigned int>' (aka 'unsigned int __attribute__((matrix_type(4, 4)))') to 'Bar' for 1st argument}}
// expected-note@-3 {{candidate constructor (the implicit default constructor) not viable: requires 0 arguments, but 1 was provided}}
float x;
};
void f5_constructors() {
matrix_4_4<float> m1;
matrix_4_4<unsigned int> m5;
Foo F = Foo(m1);
// expected-error@-1 {{no matching conversion for functional-style cast from 'matrix_4_4<float>' (aka 'float __attribute__((matrix_type(4, 4)))') to 'Foo'}}
Bar B = Bar(m5);
// expected-error@-1 {{no matching conversion for functional-style cast from 'matrix_4_4<unsigned int>' (aka 'unsigned int __attribute__((matrix_type(4, 4)))') to 'Bar'}}
}