rust/tests/mir-opt/building/match/never_patterns.opt1.SimplifyCfg-initial.after.mir
2024-08-10 12:07:17 +02:00

42 lines
790 B
Rust

// MIR for `opt1` after SimplifyCfg-initial
fn opt1(_1: &Result<u32, Void>) -> &u32 {
debug res => _1;
let mut _0: &u32;
let mut _2: isize;
let _3: &u32;
let mut _4: !;
let mut _5: ();
scope 1 {
debug x => _3;
}
bb0: {
PlaceMention(_1);
falseEdge -> [real: bb4, imaginary: bb1];
}
bb1: {
_2 = discriminant((*_1));
switchInt(move _2) -> [1: bb3, otherwise: bb2];
}
bb2: {
FakeRead(ForMatchedPlace(None), _1);
unreachable;
}
bb3: {
FakeRead(ForMatchedPlace(None), (((*_1) as Err).0: Void));
unreachable;
}
bb4: {
StorageLive(_3);
_3 = &(((*_1) as Ok).0: u32);
_0 = &(*_3);
StorageDead(_3);
return;
}
}