xref: /llvm-project/clang/test/Sema/matrix-cast.c (revision 8c5edb59cf487373e545ccb87ffcd24cb7d0d0ec)
1 // RUN: %clang_cc1 -fenable-matrix -fsyntax-only %s -verify
2 
3 typedef char cx4x4 __attribute__((matrix_type(4, 4)));
4 typedef int ix4x4 __attribute__((matrix_type(4, 4)));
5 typedef short sx4x4 __attribute__((matrix_type(4, 4)));
6 typedef int ix5x5 __attribute__((matrix_type(5, 5)));
7 typedef float fx5x5 __attribute__((matrix_type(5, 5)));
8 typedef int vec __attribute__((vector_size(4)));
9 typedef struct test_struct {
10 } test_struct;
11 
f1(void)12 void f1(void) {
13   cx4x4 m1;
14   ix4x4 m2;
15   sx4x4 m3;
16   ix5x5 m4;
17   fx5x5 m5;
18   int i;
19   vec v;
20   test_struct *s;
21 
22   m2 = (ix4x4)m1;
23   m3 = (sx4x4)m2;
24   m4 = (ix5x5)m3;        // expected-error {{conversion between matrix types 'ix5x5' (aka 'int __attribute__\
25 ((matrix_type(5, 5)))') and 'sx4x4' (aka 'short __attribute__((matrix_type(4, 4)))') of different size \
26 is not allowed}}
27   m5 = (ix5x5)m4;        // expected-error {{assigning to 'fx5x5' (aka \
28 'float __attribute__((matrix_type(5, 5)))') from incompatible type 'ix5x5' (aka 'int __attribute__((matrix_type(5, 5)))')}}
29   i = (int)m4;           // expected-error {{conversion between matrix type 'ix5x5' (aka 'int __attribute__\
30 ((matrix_type(5, 5)))') and incompatible type 'int' is not allowed}}
31   m4 = (ix5x5)i;         // expected-error {{conversion between matrix type 'ix5x5' (aka 'int __attribute__\
32 ((matrix_type(5, 5)))') and incompatible type 'int' is not allowed}}
33   v = (vec)m4;           // expected-error {{conversion between matrix type 'ix5x5' (aka 'int __attribute__\
34 ((matrix_type(5, 5)))') and incompatible type 'vec' (vector of 1 'int' value) is not allowed}}
35   m4 = (ix5x5)v;         // expected-error {{conversion between matrix type 'ix5x5' (aka 'int __attribute__\
36 ((matrix_type(5, 5)))') and incompatible type 'vec' (vector of 1 'int' value) is not allowed}}
37   s = (test_struct *)m3; // expected-error {{conversion between matrix type 'sx4x4' (aka 'short \
38 __attribute__((matrix_type(4, 4)))') and incompatible type 'test_struct *' (aka 'struct test_struct *') is not allowed}}
39   m3 = (sx4x4)s;         // expected-error {{conversion between matrix type 'sx4x4' (aka 'short \
40 __attribute__((matrix_type(4, 4)))') and incompatible type 'test_struct *' (aka 'struct test_struct *') is not allowed}}
41 
42   m4 = (ix5x5)m5;
43 }
44 
45 typedef float float2_8x8 __attribute__((matrix_type(8, 8)));
46 typedef double double_10x10 __attribute__((matrix_type(10, 10)));
47 typedef double double_8x8 __attribute__((matrix_type(8, 8)));
48 typedef signed int signed_int_12x12 __attribute__((matrix_type(12, 12)));
49 typedef unsigned int unsigned_int_12x12 __attribute__((matrix_type(12, 12)));
50 typedef unsigned int unsigned_int_10x10 __attribute__((matrix_type(10, 10)));
51 
52 void f2(void) {
53   float2_8x8 m1;
54   double_10x10 m2;
55   double_8x8 m3;
56   signed_int_12x12 m4;
57   unsigned_int_12x12 m5;
58   unsigned_int_10x10 m6;
59   float f;
60 
61   m2 = (double_10x10)m1; // expected-error {{conversion between matrix types 'double_10x10' \
62 (aka 'double __attribute__((matrix_type(10, 10)))') and 'float2_8x8' (aka 'float __attribute__\
63 ((matrix_type(8, 8)))') of different size is not allowed}}
64   m3 = (double_8x8)m1;
65 
66   m5 = (unsigned_int_12x12)m4;
67   m4 = (signed_int_12x12)m5;
68   m6 = (unsigned_int_10x10)m4; // expected-error {{conversion between matrix types 'unsigned_int_10x10' \
69 (aka 'unsigned int __attribute__((matrix_type(10, 10)))') and 'signed_int_12x12' (aka 'int __attribute__\
70 ((matrix_type(12, 12)))') of different size is not allowed}}
71   f = (float)m4;               // expected-error {{conversion between matrix type 'signed_int_12x12' \
72 (aka 'int __attribute__((matrix_type(12, 12)))') and incompatible type 'float' is not allowed}}
73   m4 = (signed_int_12x12)f;    // expected-error {{conversion between matrix type 'signed_int_12x12' \
74 (aka 'int __attribute__((matrix_type(12, 12)))') and incompatible type 'float' is not allowed}}
75 }