rust/tests/mir-opt/copy-prop/cycle.main.CopyProp.diff
2023-01-31 17:50:04 +00:00

61 lines
3.5 KiB
Diff

- // MIR for `main` before CopyProp
+ // MIR for `main` after CopyProp
fn main() -> () {
let mut _0: (); // return place in scope 0 at $DIR/cycle.rs:+0:11: +0:11
let mut _1: i32; // in scope 0 at $DIR/cycle.rs:+1:9: +1:14
let mut _4: i32; // in scope 0 at $DIR/cycle.rs:+4:9: +4:10
let _5: (); // in scope 0 at $DIR/cycle.rs:+6:5: +6:12
let mut _6: i32; // in scope 0 at $DIR/cycle.rs:+6:10: +6:11
scope 1 {
debug x => _1; // in scope 1 at $DIR/cycle.rs:+1:9: +1:14
let _2: i32; // in scope 1 at $DIR/cycle.rs:+2:9: +2:10
scope 2 {
debug y => _2; // in scope 2 at $DIR/cycle.rs:+2:9: +2:10
let _3: i32; // in scope 2 at $DIR/cycle.rs:+3:9: +3:10
scope 3 {
- debug z => _3; // in scope 3 at $DIR/cycle.rs:+3:9: +3:10
+ debug z => _2; // in scope 3 at $DIR/cycle.rs:+3:9: +3:10
}
}
}
bb0: {
StorageLive(_1); // scope 0 at $DIR/cycle.rs:+1:9: +1:14
_1 = val() -> bb1; // scope 0 at $DIR/cycle.rs:+1:17: +1:22
// mir::Constant
// + span: $DIR/cycle.rs:9:17: 9:20
// + literal: Const { ty: fn() -> i32 {val}, val: Value(<ZST>) }
}
bb1: {
- StorageLive(_2); // scope 1 at $DIR/cycle.rs:+2:9: +2:10
_2 = _1; // scope 1 at $DIR/cycle.rs:+2:13: +2:14
- StorageLive(_3); // scope 2 at $DIR/cycle.rs:+3:9: +3:10
- _3 = _2; // scope 2 at $DIR/cycle.rs:+3:13: +3:14
- StorageLive(_4); // scope 3 at $DIR/cycle.rs:+4:9: +4:10
- _4 = _3; // scope 3 at $DIR/cycle.rs:+4:9: +4:10
- _1 = move _4; // scope 3 at $DIR/cycle.rs:+4:5: +4:10
- StorageDead(_4); // scope 3 at $DIR/cycle.rs:+4:9: +4:10
+ _1 = _2; // scope 3 at $DIR/cycle.rs:+4:5: +4:10
StorageLive(_5); // scope 3 at $DIR/cycle.rs:+6:5: +6:12
StorageLive(_6); // scope 3 at $DIR/cycle.rs:+6:10: +6:11
_6 = _1; // scope 3 at $DIR/cycle.rs:+6:10: +6:11
_5 = std::mem::drop::<i32>(move _6) -> bb2; // scope 3 at $DIR/cycle.rs:+6:5: +6:12
// mir::Constant
// + span: $DIR/cycle.rs:14:5: 14:9
// + literal: Const { ty: fn(i32) {std::mem::drop::<i32>}, val: Value(<ZST>) }
}
bb2: {
StorageDead(_6); // scope 3 at $DIR/cycle.rs:+6:11: +6:12
StorageDead(_5); // scope 3 at $DIR/cycle.rs:+6:12: +6:13
_0 = const (); // scope 0 at $DIR/cycle.rs:+0:11: +7:2
- StorageDead(_3); // scope 2 at $DIR/cycle.rs:+7:1: +7:2
- StorageDead(_2); // scope 1 at $DIR/cycle.rs:+7:1: +7:2
StorageDead(_1); // scope 0 at $DIR/cycle.rs:+7:1: +7:2
return; // scope 0 at $DIR/cycle.rs:+7:2: +7:2
}
}