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|
- // MIR for `as_match` before UnreachablePropagation
+ // MIR for `as_match` after UnreachablePropagation
fn as_match() -> () {
let mut _0: ();
let mut _1: std::option::Option<Empty>;
let mut _2: isize;
let _3: Empty;
let mut _4: !;
+ let mut _5: bool;
scope 1 {
debug _x => _3;
}
bb0: {
StorageLive(_1);
_1 = empty() -> [return: bb1, unwind unreachable];
}
bb1: {
_2 = discriminant(_1);
- switchInt(move _2) -> [1: bb3, otherwise: bb2];
+ _5 = Ne(copy _2, const 1_isize);
+ assume(move _5);
+ goto -> bb2;
}
bb2: {
_0 = const ();
StorageDead(_1);
return;
}
bb3: {
- StorageLive(_3);
- _3 = move ((_1 as Some).0: Empty);
- StorageLive(_4);
unreachable;
}
}
|
