rust/tests/mir-opt/pre-codegen/try_identity.new.PreCodegen.after.mir
2024-01-11 09:58:19 +00:00

71 lines
1.3 KiB
Rust

// MIR for `new` after PreCodegen
fn new(_1: Result<T, E>) -> Result<T, E> {
debug x => _1;
let mut _0: std::result::Result<T, E>;
let mut _2: isize;
let _3: T;
let mut _4: std::ops::ControlFlow<E, T>;
let _5: E;
let mut _6: isize;
let _7: T;
let _8: E;
scope 1 {
debug v => _3;
}
scope 2 {
debug e => _5;
}
scope 3 {
debug v => _7;
}
scope 4 {
debug e => _8;
}
bb0: {
StorageLive(_4);
_2 = discriminant(_1);
switchInt(move _2) -> [0: bb1, 1: bb2, otherwise: bb7];
}
bb1: {
_3 = move ((_1 as Ok).0: T);
_4 = ControlFlow::<E, T>::Continue(_3);
goto -> bb3;
}
bb2: {
_5 = move ((_1 as Err).0: E);
_4 = ControlFlow::<E, T>::Break(_5);
goto -> bb3;
}
bb3: {
_6 = discriminant(_4);
switchInt(move _6) -> [0: bb4, 1: bb5, otherwise: bb7];
}
bb4: {
_7 = move ((_4 as Continue).0: T);
_0 = Result::<T, E>::Ok(_7);
StorageDead(_4);
goto -> bb6;
}
bb5: {
_8 = move ((_4 as Break).0: E);
_0 = Result::<T, E>::Err(_8);
StorageDead(_4);
goto -> bb6;
}
bb6: {
return;
}
bb7: {
unreachable;
}
}