mirror of https://github.com/rust-lang/rust
42 lines
907 B
Diff
42 lines
907 B
Diff
- // 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 continue];
|
|
}
|
|
|
|
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;
|
|
}
|
|
}
|
|
|