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|
- // MIR for `match_u8_i8_2` before MatchBranchSimplification
+ // MIR for `match_u8_i8_2` after MatchBranchSimplification
fn match_u8_i8_2(_1: EnumAu8) -> (i8, i8) {
debug i => _1;
let mut _0: (i8, i8);
let _2: i8;
let _4: ();
let mut _5: u8;
let mut _6: i8;
let mut _7: i8;
+ let mut _8: u8;
scope 1 {
debug a => _2;
let _3: i8;
scope 2 {
debug b => _3;
}
}
bb0: {
StorageLive(_2);
StorageLive(_3);
StorageLive(_4);
_5 = discriminant(_1);
- switchInt(move _5) -> [0: bb5, 127: bb4, 128: bb3, 255: bb2, otherwise: bb1];
- }
-
- bb1: {
- unreachable;
- }
-
- bb2: {
- _2 = const -1_i8;
- _3 = const -1_i8;
+ StorageLive(_8);
+ _8 = move _5;
+ _2 = copy _8 as i8 (IntToInt);
+ _3 = copy _8 as i8 (IntToInt);
_4 = ();
- goto -> bb6;
- }
-
- bb3: {
- _2 = const i8::MIN;
- _3 = const i8::MIN;
- _4 = ();
- goto -> bb6;
- }
-
- bb4: {
- _2 = const i8::MAX;
- _3 = const i8::MAX;
- _4 = ();
- goto -> bb6;
- }
-
- bb5: {
- _2 = const 0_i8;
- _3 = const 0_i8;
- _4 = ();
- goto -> bb6;
- }
-
- bb6: {
+ StorageDead(_8);
StorageDead(_4);
StorageLive(_6);
_6 = copy _2;
StorageLive(_7);
_7 = copy _3;
_0 = (move _6, move _7);
StorageDead(_7);
StorageDead(_6);
StorageDead(_3);
StorageDead(_2);
return;
}
}
|
