xref: /llvm-project/clang/test/SemaCXX/matrix-type.cpp (revision 6e58e99a07facd73547f7fa1a6f8c0719d8af30d)
1 // RUN: %clang_cc1 -fsyntax-only -fenable-matrix -std=c++11 -verify -triple x86_64-apple-darwin %s
2 
3 using matrix_double_t = double __attribute__((matrix_type(6, 6)));
4 using matrix_float_t = float __attribute__((matrix_type(6, 6)));
5 using matrix_int_t = int __attribute__((matrix_type(6, 6)));
6 
7 void matrix_var_dimensions(int Rows, unsigned Columns, char C) {
8   using matrix1_t = int __attribute__((matrix_type(Rows, 1)));    // expected-error{{matrix_type attribute requires an integer constant}}
9   using matrix2_t = int __attribute__((matrix_type(1, Columns))); // expected-error{{matrix_type attribute requires an integer constant}}
10   using matrix3_t = int __attribute__((matrix_type(C, C)));       // expected-error{{matrix_type attribute requires an integer constant}}
11   using matrix4_t = int __attribute__((matrix_type(-1, 1)));      // expected-error{{matrix row size too large}}
12   using matrix5_t = int __attribute__((matrix_type(1, -1)));      // expected-error{{matrix column size too large}}
13   using matrix6_t = int __attribute__((matrix_type(0, 1)));       // expected-error{{zero matrix size}}
14   using matrix7_t = int __attribute__((matrix_type(1, 0)));       // expected-error{{zero matrix size}}
15   using matrix7_t = int __attribute__((matrix_type(char, 0)));    // expected-error{{expected '(' for function-style cast or type construction}}
16   using matrix8_t = int __attribute__((matrix_type(1048576, 1))); // expected-error{{matrix row size too large}}
17 }
18 
19 struct S1 {};
20 
21 enum TestEnum {
22   A,
23   B
24 };
25 
26 void matrix_unsupported_element_type() {
27   using matrix1_t = char *__attribute__((matrix_type(1, 1)));    // expected-error{{invalid matrix element type 'char *'}}
28   using matrix2_t = S1 __attribute__((matrix_type(1, 1)));       // expected-error{{invalid matrix element type 'S1'}}
29   using matrix3_t = bool __attribute__((matrix_type(1, 1)));     // expected-error{{invalid matrix element type 'bool'}}
30   using matrix4_t = TestEnum __attribute__((matrix_type(1, 1))); // expected-error{{invalid matrix element type 'TestEnum'}}
31 }
32 
33 void matrix_unsupported_bit_int() {
34   using m1 = _BitInt(2) __attribute__((matrix_type(4, 4))); // expected-error{{'_BitInt' matrix element width must be at least as wide as 'CHAR_BIT'}}
35   using m2 = _BitInt(7) __attribute__((matrix_type(4, 4))); // expected-error{{'_BitInt' matrix element width must be at least as wide as 'CHAR_BIT'}}
36   using m3 = _BitInt(9) __attribute__((matrix_type(4, 4))); // expected-error{{'_BitInt' matrix element width must be a power of 2}}
37   using m4 = _BitInt(12) __attribute__((matrix_type(4, 4))); // expected-error{{'_BitInt' matrix element width must be a power of 2}}
38   using m5 = _BitInt(8) __attribute__((matrix_type(4, 4)));
39   using m6 = _BitInt(64) __attribute__((matrix_type(4, 4)));
40   using m7 = _BitInt(256) __attribute__((matrix_type(4, 4)));
41 }
42