rust/tests/mir-opt/pre-codegen/mem_replace.mem_replace.PreCodegen.after.mir
2023-07-10 16:01:18 +00:00

40 lines
1.0 KiB
Rust

// 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;
scope 2 {
scope 3 {
debug result => _0;
scope 7 (inlined std::ptr::write::<u32>) {
debug dst => _1;
debug src => _2;
scope 8 {
scope 9 (inlined std::ptr::write::runtime::<u32>) {
debug dst => _1;
}
}
}
}
scope 4 (inlined std::ptr::read::<u32>) {
debug src => _1;
scope 5 {
scope 6 (inlined std::ptr::read::runtime::<u32>) {
debug src => _1;
}
}
}
}
}
bb0: {
_0 = (*_1);
(*_1) = _2;
return;
}
}