rust/tests/mir-opt/pre-codegen/try_identity.new.PreCodegen.after.mir
2024-02-09 21:13:51 +00:00

57 lines
1.1 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: T;
let _6: E;
let _7: E;
scope 1 {
debug v => _3;
}
scope 2 {
debug e => _6;
}
scope 3 {
debug v => _5;
}
scope 4 {
debug e => _7;
}
bb0: {
StorageLive(_4);
_2 = discriminant(_1);
switchInt(move _2) -> [0: bb1, 1: bb2, otherwise: bb4];
}
bb1: {
_3 = move ((_1 as Ok).0: T);
_4 = ControlFlow::<E, T>::Continue(_3);
_5 = move ((_4 as Continue).0: T);
_0 = Result::<T, E>::Ok(_5);
StorageDead(_4);
goto -> bb3;
}
bb2: {
_6 = move ((_1 as Err).0: E);
_4 = ControlFlow::<E, T>::Break(_6);
_7 = move ((_4 as Break).0: E);
_0 = Result::<T, E>::Err(_7);
StorageDead(_4);
goto -> bb3;
}
bb3: {
return;
}
bb4: {
unreachable;
}
}