blob: e5066c38b9679f48adc4c10bd2d3c907d104ae97 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
|
// compile-flags: -O -C debuginfo=0 -Zmir-opt-level=2
// only-64bit
// ignore-debug
#![crate_type = "lib"]
// EMIT_MIR mem_replace.manual_replace.PreCodegen.after.mir
pub fn manual_replace(r: &mut u32, v: u32) -> u32 {
let temp = *r;
*r = v;
temp
}
// EMIT_MIR mem_replace.mem_replace.PreCodegen.after.mir
pub fn mem_replace(r: &mut u32, v: u32) -> u32 {
std::mem::replace(r, v)
}
|