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|
- // MIR for `opt2` before EarlyOtherwiseBranch
+ // MIR for `opt2` after EarlyOtherwiseBranch
fn opt2(_1: Option<u32>, _2: Option<u32>) -> u32 {
debug x => _1;
debug y => _2;
let mut _0: u32;
let mut _3: (std::option::Option<u32>, std::option::Option<u32>);
let mut _4: std::option::Option<u32>;
let mut _5: std::option::Option<u32>;
let mut _6: isize;
let mut _7: isize;
let mut _8: isize;
let _9: u32;
let _10: u32;
+ let mut _11: isize;
+ let mut _12: bool;
scope 1 {
debug a => _9;
debug b => _10;
}
bb0: {
StorageLive(_3);
StorageLive(_4);
_4 = _1;
StorageLive(_5);
_5 = _2;
_3 = (move _4, move _5);
StorageDead(_5);
StorageDead(_4);
_8 = discriminant((_3.0: std::option::Option<u32>));
- switchInt(move _8) -> [0: bb1, 1: bb3, otherwise: bb2];
+ StorageLive(_11);
+ _11 = discriminant((_3.1: std::option::Option<u32>));
+ StorageLive(_12);
+ _12 = Ne(_8, move _11);
+ StorageDead(_11);
+ switchInt(move _12) -> [0: bb5, otherwise: bb1];
}
bb1: {
- _6 = discriminant((_3.1: std::option::Option<u32>));
- switchInt(move _6) -> [0: bb5, otherwise: bb2];
- }
-
- bb2: {
+ StorageDead(_12);
_0 = const 1_u32;
- goto -> bb6;
+ goto -> bb4;
}
- bb3: {
- _7 = discriminant((_3.1: std::option::Option<u32>));
- switchInt(move _7) -> [1: bb4, otherwise: bb2];
- }
-
- bb4: {
+ bb2: {
StorageLive(_9);
_9 = (((_3.0: std::option::Option<u32>) as Some).0: u32);
StorageLive(_10);
_10 = (((_3.1: std::option::Option<u32>) as Some).0: u32);
_0 = const 0_u32;
StorageDead(_10);
StorageDead(_9);
- goto -> bb6;
+ goto -> bb4;
}
- bb5: {
+ bb3: {
_0 = const 0_u32;
- goto -> bb6;
+ goto -> bb4;
}
- bb6: {
+ bb4: {
StorageDead(_3);
return;
+ }
+
+ bb5: {
+ StorageDead(_12);
+ switchInt(_8) -> [0: bb3, 1: bb2, otherwise: bb1];
}
}
|
