rust/tests/mir-opt/dataflow-const-prop/if.main.DataflowConstProp.diff
2024-08-18 16:07:33 -07:00

115 lines
2.7 KiB
Diff

- // MIR for `main` before DataflowConstProp
+ // MIR for `main` after DataflowConstProp
fn main() -> () {
let mut _0: ();
let _1: i32;
let mut _3: bool;
let mut _4: i32;
let mut _6: i32;
let mut _8: bool;
let mut _9: i32;
let mut _10: i32;
let mut _12: i32;
scope 1 {
debug a => _1;
let _2: i32;
scope 2 {
debug b => _2;
let _5: i32;
scope 3 {
debug c => _5;
let _7: i32;
scope 4 {
debug d => _7;
let _11: i32;
scope 5 {
debug e => _11;
}
}
}
}
}
bb0: {
StorageLive(_1);
_1 = const 1_i32;
StorageLive(_2);
StorageLive(_3);
StorageLive(_4);
- _4 = copy _1;
- _3 = Eq(move _4, const 1_i32);
- switchInt(move _3) -> [0: bb2, otherwise: bb1];
+ _4 = const 1_i32;
+ _3 = const true;
+ switchInt(const true) -> [0: bb2, otherwise: bb1];
}
bb1: {
StorageDead(_4);
_2 = const 2_i32;
goto -> bb3;
}
bb2: {
StorageDead(_4);
_2 = const 3_i32;
goto -> bb3;
}
bb3: {
StorageDead(_3);
StorageLive(_5);
StorageLive(_6);
- _6 = copy _2;
- _5 = Add(move _6, const 1_i32);
+ _6 = const 2_i32;
+ _5 = const 3_i32;
StorageDead(_6);
StorageLive(_7);
StorageLive(_8);
StorageLive(_9);
- _9 = copy _1;
- _8 = Eq(move _9, const 1_i32);
- switchInt(move _8) -> [0: bb5, otherwise: bb4];
+ _9 = const 1_i32;
+ _8 = const true;
+ switchInt(const true) -> [0: bb5, otherwise: bb4];
}
bb4: {
StorageDead(_9);
- _7 = copy _1;
+ _7 = const 1_i32;
goto -> bb6;
}
bb5: {
StorageDead(_9);
StorageLive(_10);
_10 = copy _1;
_7 = Add(move _10, const 1_i32);
StorageDead(_10);
goto -> bb6;
}
bb6: {
StorageDead(_8);
StorageLive(_11);
StorageLive(_12);
- _12 = copy _7;
- _11 = Add(move _12, const 1_i32);
+ _12 = const 1_i32;
+ _11 = const 2_i32;
StorageDead(_12);
_0 = const ();
StorageDead(_11);
StorageDead(_7);
StorageDead(_5);
StorageDead(_2);
StorageDead(_1);
return;
}
}