mirror of https://github.com/rust-lang/rust.git
55 lines
1.2 KiB
Diff
55 lines
1.2 KiB
Diff
- // MIR for `main` before GVN
|
|
+ // MIR for `main` after GVN
|
|
|
|
fn main() -> () {
|
|
let mut _0: ();
|
|
let _1: i32;
|
|
let mut _3: i32;
|
|
scope 1 {
|
|
debug a => _1;
|
|
let mut _2: (i32, i32);
|
|
scope 2 {
|
|
debug x => _2;
|
|
let _4: i32;
|
|
scope 3 {
|
|
debug y => _4;
|
|
let _5: i32;
|
|
scope 4 {
|
|
debug z => _5;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
bb0: {
|
|
- StorageLive(_1);
|
|
+ nop;
|
|
_1 = foo() -> [return: bb1, unwind continue];
|
|
}
|
|
|
|
bb1: {
|
|
StorageLive(_2);
|
|
- _2 = (const 1_i32, const 2_i32);
|
|
+ _2 = const (1_i32, 2_i32);
|
|
StorageLive(_3);
|
|
_3 = copy _1;
|
|
- (_2.1: i32) = move _3;
|
|
+ (_2.1: i32) = copy _1;
|
|
StorageDead(_3);
|
|
StorageLive(_4);
|
|
_4 = copy (_2.1: i32);
|
|
StorageLive(_5);
|
|
_5 = copy (_2.0: i32);
|
|
_0 = const ();
|
|
StorageDead(_5);
|
|
StorageDead(_4);
|
|
StorageDead(_2);
|
|
- StorageDead(_1);
|
|
+ nop;
|
|
return;
|
|
}
|
|
}
|
|
+
|
|
+ ALLOC0 (size: 8, align: 4) { .. }
|
|
|