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|
- // MIR for `foo` before DestinationPropagation
+ // MIR for `foo` after DestinationPropagation
fn foo() -> i32 {
let mut _0: i32;
let _1: i32;
let mut _3: bool;
let _4: i32;
scope 1 {
- debug x => _1;
+ debug x => _0;
let _2: i32;
scope 2 {
- debug y => _2;
+ debug y => _0;
}
}
bb0: {
- StorageLive(_1);
- _1 = val() -> [return: bb1, unwind unreachable];
+ nop;
+ _0 = val() -> [return: bb1, unwind unreachable];
}
bb1: {
- StorageLive(_2);
+ nop;
StorageLive(_3);
_3 = cond() -> [return: bb2, unwind unreachable];
}
bb2: {
switchInt(move _3) -> [0: bb4, otherwise: bb3];
}
bb3: {
- _2 = copy _1;
+ nop;
goto -> bb6;
}
bb4: {
StorageLive(_4);
_4 = val() -> [return: bb5, unwind unreachable];
}
bb5: {
StorageDead(_4);
- _2 = copy _1;
+ nop;
goto -> bb6;
}
bb6: {
StorageDead(_3);
- _0 = copy _2;
- StorageDead(_2);
- StorageDead(_1);
+ nop;
+ nop;
+ nop;
return;
}
}
|
