// skip-filecheck | |
// compile-flags: -O -C debuginfo=0 -Zmir-opt-level=2 | |
// only-64bit | |
// ignore-debug the standard library debug assertions leak into this test | |
#![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) | |
} |