| // skip-filecheck |
| #![feature(custom_mir, core_intrinsics)] |
| |
| extern crate core; |
| use core::intrinsics::mir::*; |
| |
| // EMIT_MIR as_cast.int_to_int.built.after.mir |
| #[custom_mir(dialect = "built")] |
| fn int_to_int(x: u32) -> i32 { |
| mir!( |
| { |
| RET = x as i32; |
| Return() |
| } |
| ) |
| } |
| |
| // EMIT_MIR as_cast.float_to_int.built.after.mir |
| #[custom_mir(dialect = "built")] |
| fn float_to_int(x: f32) -> i32 { |
| mir!( |
| { |
| RET = x as i32; |
| Return() |
| } |
| ) |
| } |
| |
| // EMIT_MIR as_cast.int_to_ptr.built.after.mir |
| #[custom_mir(dialect = "built")] |
| fn int_to_ptr(x: usize) -> *const i32 { |
| mir!( |
| { |
| RET = x as *const i32; |
| Return() |
| } |
| ) |
| } |
| |
| fn main() { |
| assert_eq!(int_to_int(5), 5); |
| assert_eq!(float_to_int(5.), 5); |
| assert_eq!(int_to_ptr(0), std::ptr::null()); |
| } |