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- // MIR for `main` before GVN
+ // MIR for `main` after GVN
fn main() -> () {
let mut _0: ();
let mut _1: u32;
let _2: ();
let mut _3: u32;
let mut _4: *mut u32;
scope 1 {
debug x => _1;
let _5: u32;
scope 2 {
}
scope 3 {
debug y => _5;
}
}
bb0: {
StorageLive(_1);
_1 = const 42_u32;
StorageLive(_2);
StorageLive(_3);
StorageLive(_4);
_4 = const {ALLOC0: *mut u32};
_3 = (*_4);
_1 = move _3;
StorageDead(_3);
StorageDead(_4);
_2 = const ();
StorageDead(_2);
StorageLive(_5);
_5 = _1;
_0 = const ();
StorageDead(_5);
StorageDead(_1);
return;
}
}
ALLOC0 (static: STATIC, size: 4, align: 4) {
42 42 42 42 │ BBBB
}
|
