SKIP: FAILED

$B1: {  # root
  %prevent_dce:ptr<storage, array<u32, 1024>, read_write> = var undef @binding_point(0, 0)
}

%subgroupMatrixMultiplyAccumulate_188a1e = func():subgroup_matrix_result<u32, 8, 8> {
  $B2: {
    %3:subgroup_matrix_left<u8, 8, 8> = construct
    %arg_0:ptr<function, subgroup_matrix_left<u8, 8, 8>, read_write> = var %3
    %5:subgroup_matrix_right<u8, 8, 8> = construct
    %arg_1:ptr<function, subgroup_matrix_right<u8, 8, 8>, read_write> = var %5
    %7:subgroup_matrix_result<u32, 8, 8> = construct
    %arg_2:ptr<function, subgroup_matrix_result<u32, 8, 8>, read_write> = var %7
    %9:subgroup_matrix_left<u8, 8, 8> = load %arg_0
    %10:subgroup_matrix_right<u8, 8, 8> = load %arg_1
    %11:subgroup_matrix_result<u32, 8, 8> = load %arg_2
    %12:subgroup_matrix_result<u32, 8, 8> = subgroupMatrixMultiplyAccumulate %9, %10, %11
    %res:ptr<function, subgroup_matrix_result<u32, 8, 8>, read_write> = var %12
    %14:subgroup_matrix_result<u32, 8, 8> = load %res
    ret %14
  }
}
%compute_main = @compute @workgroup_size(1i, 1i, 1i) func():void {
  $B3: {
    %16:subgroup_matrix_result<u32, 8, 8> = call %subgroupMatrixMultiplyAccumulate_188a1e
    %17:void = subgroupMatrixStore %prevent_dce, 0i, %16, false, 8i
    ret
  }
}
Failed to generate: subgroup matrices support requires DXC with HLSL 2021

tint executable returned error: exit status 1