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// MIR for `mem_replace` after PreCodegen
fn mem_replace(_1: &mut u32, _2: u32) -> u32 {
debug r => _1;
debug v => _2;
let mut _0: u32;
scope 1 (inlined std::mem::replace::<u32>) {
debug dest => _1;
debug src => _2;
let mut _3: *const u32;
let mut _4: *mut u32;
scope 2 {
scope 3 {
debug result => _0;
scope 7 (inlined std::ptr::write::<u32>) {
debug dst => _4;
debug src => _2;
let mut _6: *mut u32;
scope 8 {
scope 9 (inlined std::ptr::write::runtime::<u32>) {
debug dst => _6;
}
}
}
}
scope 4 (inlined std::ptr::read::<u32>) {
debug src => _3;
let mut _5: *const u32;
scope 5 {
scope 6 (inlined std::ptr::read::runtime::<u32>) {
debug src => _5;
}
}
}
}
}
bb0: {
StorageLive(_3);
_3 = &raw const (*_1);
StorageLive(_5);
_0 = (*_3);
StorageDead(_5);
StorageDead(_3);
StorageLive(_4);
_4 = &raw mut (*_1);
StorageLive(_6);
(*_4) = _2;
StorageDead(_6);
StorageDead(_4);
return;
}
}
|
