rust/tests/mir-opt/const_prop/scalar_literal_propagation....

35 lines
723 B
Diff

- // MIR for `main` before GVN
+ // MIR for `main` after GVN
fn main() -> () {
let mut _0: ();
let _1: u32;
let _2: ();
let mut _3: u32;
scope 1 {
debug x => _1;
}
bb0: {
- StorageLive(_1);
+ nop;
_1 = const 1_u32;
StorageLive(_2);
StorageLive(_3);
- _3 = copy _1;
- _2 = consume(move _3) -> [return: bb1, unwind continue];
+ _3 = const 1_u32;
+ _2 = consume(const 1_u32) -> [return: bb1, unwind continue];
}
bb1: {
StorageDead(_3);
StorageDead(_2);
_0 = const ();
- StorageDead(_1);
+ nop;
return;
}
}