rust/tests/mir-opt/matches_reduce_branches.mat...

75 lines
1.5 KiB
Diff

- // MIR for `match_u8_i8_2_failed` before MatchBranchSimplification
+ // MIR for `match_u8_i8_2_failed` after MatchBranchSimplification
fn match_u8_i8_2_failed(_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;
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;
_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(_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;
}
}