1 // RUN: %clang_cc1 -std=c++11 -fenable-matrix -fsyntax-only -verify %s
2 
3 template <typename X>
4 
5 using matrix_4_4 = X __attribute__((matrix_type(4, 4)));
6 
7 template <typename Y>
8 
9 using matrix_5_5 = Y __attribute__((matrix_type(5, 5)));
10 
11 typedef struct test_struct {
12 } test_struct;
13 
14 typedef int vec __attribute__((vector_size(4)));
15 
16 void f1() {
17   // TODO: Update this test once the support of C-style casts for C++ is implemented.
18   matrix_4_4<char> m1;
19   matrix_4_4<int> m2;
20   matrix_4_4<short> m3;
21   matrix_5_5<int> m4;
22   int i;
23   vec v;
24   test_struct *s;
25 
26   (matrix_4_4<int>)m1;   // expected-error {{C-style cast from 'matrix_4_4<char>' (aka 'char __attribute__((matrix_type(4, \
27 4)))') to 'matrix_4_4<int>' (aka 'int __attribute__((matrix_type(4, 4)))') is not allowed}}
28   (matrix_4_4<short>)m2; // expected-error {{C-style cast from 'matrix_4_4<int>' (aka 'int __attribute__((matrix_type(4, \
29 4)))') to 'matrix_4_4<short>' (aka 'short __attribute__((matrix_type(4, 4)))') is not allowed}}
30   (matrix_5_5<int>)m3;   // expected-error {{C-style cast from 'matrix_4_4<short>' (aka 'short __attribute__((matrix_type(4, \
31 4)))') to 'matrix_5_5<int>' (aka 'int __attribute__((matrix_type(5, 5)))') is not allowed}}
32 
33   (int)m3;            // expected-error {{C-style cast from 'matrix_4_4<short>' (aka 'short __attribute__((matrix_type(4, \
34 4)))') to 'int'}}
35   (matrix_4_4<int>)i; // expected-error {{C-style cast from 'int' to 'matrix_4_4<int>' (aka 'int __attribute__((\
36 matrix_type(4, 4)))') is not allowed}}
37 
38   (vec) m2;            // expected-error {{C-style cast from 'matrix_4_4<int>' (aka 'int __attribute__((matrix_type(4, 4)))') \
39 to 'vec' (vector of 1 'int' value) is not allowed}}
40   (matrix_4_4<char>)v; // expected-error {{C-style cast from 'vec' (vector of 1 'int' value) to 'matrix_4_4<char>' \
41 (aka 'char __attribute__((matrix_type(4, 4)))') is not allowed}}
42 
43   (test_struct *)m1;    // expected-error {{cannot cast from type 'matrix_4_4<char>' (aka 'char __attribute__\
44 ((matrix_type(4, 4)))') to pointer type 'test_struct *}}'
45   (matrix_5_5<float>)s; // expected-error {{C-style cast from 'test_struct *' to 'matrix_5_5<float>' (aka 'float __attribute__\
46 ((matrix_type(5, 5)))') is not allowed}}'
47 }
48 
49 void f2() {
50   // TODO: Update this test once the support of C-style casts for C++ is implemented.
51   matrix_4_4<float> m1;
52   matrix_5_5<double> m2;
53   matrix_5_5<signed int> m3;
54   matrix_4_4<unsigned int> m4;
55   float f;
56 
57   (matrix_4_4<double>)m1;       // expected-error {{C-style cast from 'matrix_4_4<float>' (aka 'float __attribute__\
58 ((matrix_type(4, 4)))') to 'matrix_4_4<double>' (aka 'double __attribute__((matrix_type(4, 4)))') is not allowed}}
59   (matrix_5_5<float>)m2;        // expected-error {{C-style cast from 'matrix_5_5<double>' (aka 'double __attribute__\
60 ((matrix_type(5, 5)))') to 'matrix_5_5<float>' (aka 'float __attribute__((matrix_type(5, 5)))') is not allowed}}
61   (matrix_5_5<unsigned int>)m3; // expected-error {{C-style cast from 'matrix_5_5<int>' (aka 'int __attribute__\
62 ((matrix_type(5, 5)))') to 'matrix_5_5<unsigned int>' (aka 'unsigned int __attribute__((matrix_type(5, 5)))') \
63 is not allowed}}
64   (matrix_4_4<int>)m4;          // expected-error {{C-style cast from 'matrix_4_4<unsigned int>' (aka 'unsigned int \
65 __attribute__((matrix_type(4, 4)))') to 'matrix_4_4<int>' (aka 'int __attribute__((matrix_type(4, 4)))') is not \
66 allowed}}
67 }
68