rust/tests/mir-opt/copy-prop/dead_stores_better.f.CopyPr...

27 lines
475 B
Rust

// MIR for `f` after CopyProp
fn f(_1: usize) -> usize {
debug a => _1;
let mut _0: usize;
let _2: usize;
let mut _3: usize;
let mut _4: usize;
scope 1 {
debug b => _2;
}
bb0: {
_2 = copy _1;
_1 = const 5_usize;
_1 = copy _2;
StorageLive(_4);
_4 = copy _1;
_0 = id::<usize>(move _4) -> [return: bb1, unwind continue];
}
bb1: {
StorageDead(_4);
return;
}
}