diff options
Diffstat (limited to 'tests/mir-opt/building/custom/as_cast.rs')
-rw-r--r-- | tests/mir-opt/building/custom/as_cast.rs | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/tests/mir-opt/building/custom/as_cast.rs b/tests/mir-opt/building/custom/as_cast.rs new file mode 100644 index 000000000..b4b5ac6aa --- /dev/null +++ b/tests/mir-opt/building/custom/as_cast.rs @@ -0,0 +1,43 @@ +#![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()); +} |