47 lines
1.0 KiB
Rust
47 lines
1.0 KiB
Rust
|
#![crate_type = "lib"]
|
||
|
|
#![feature(core_intrinsics)]
|
||
|
|
|
||
|
|
use std::intrinsics::*;
|
||
|
|
|
||
|
|
// CHECK-LABEL: @unchecked_add_signed
|
||
|
|
#[no_mangle]
|
||
|
|
pub unsafe fn unchecked_add_signed(a: i32, b: i32) -> i32 {
|
||
|
|
// CHECK: add nsw
|
||
|
|
unchecked_add(a, b)
|
||
|
|
}
|
||
|
|
|
||
|
|
// CHECK-LABEL: @unchecked_add_unsigned
|
||
|
|
#[no_mangle]
|
||
|
|
pub unsafe fn unchecked_add_unsigned(a: u32, b: u32) -> u32 {
|
||
|
|
// CHECK: add nuw
|
||
|
|
unchecked_add(a, b)
|
||
|
|
}
|
||
|
|
|
||
|
|
// CHECK-LABEL: @unchecked_sub_signed
|
||
|
|
#[no_mangle]
|
||
|
|
pub unsafe fn unchecked_sub_signed(a: i32, b: i32) -> i32 {
|
||
|
|
// CHECK: sub nsw
|
||
|
|
unchecked_sub(a, b)
|
||
|
|
}
|
||
|
|
|
||
|
|
// CHECK-LABEL: @unchecked_sub_unsigned
|
||
|
|
#[no_mangle]
|
||
|
|
pub unsafe fn unchecked_sub_unsigned(a: u32, b: u32) -> u32 {
|
||
|
|
// CHECK: sub nuw
|
||
|
|
unchecked_sub(a, b)
|
||
|
|
}
|
||
|
|
|
||
|
|
// CHECK-LABEL: @unchecked_mul_signed
|
||
|
|
#[no_mangle]
|
||
|
|
pub unsafe fn unchecked_mul_signed(a: i32, b: i32) -> i32 {
|
||
|
|
// CHECK: mul nsw
|
||
|
|
unchecked_mul(a, b)
|
||
|
|
}
|
||
|
|
|
||
|
|
// CHECK-LABEL: @unchecked_mul_unsigned
|
||
|
|
#[no_mangle]
|
||
|
|
pub unsafe fn unchecked_mul_unsigned(a: u32, b: u32) -> u32 {
|
||
|
|
// CHECK: mul nuw
|
||
|
|
unchecked_mul(a, b)
|
||
|
|
}
|