rust/tests/mir-opt/instsimplify/ub_check.unwrap_unchecked.InstSimplify.diff

60 lines
1.6 KiB
Diff

- // MIR for `unwrap_unchecked` before InstSimplify
+ // MIR for `unwrap_unchecked` after InstSimplify
fn unwrap_unchecked(_1: Option<i32>) -> i32 {
debug x => _1;
let mut _0: i32;
let mut _2: std::option::Option<i32>;
scope 1 {
scope 2 (inlined #[track_caller] Option::<i32>::unwrap_unchecked) {
debug self => _2;
let mut _3: isize;
scope 3 {
debug val => _0;
}
scope 4 {
scope 5 (inlined unreachable_unchecked) {
let mut _4: bool;
let _5: ();
scope 6 {
}
scope 7 (inlined core::ub_checks::check_language_ub) {
scope 8 (inlined core::ub_checks::check_language_ub::runtime) {
}
}
}
}
}
}
bb0: {
StorageLive(_2);
_2 = _1;
StorageLive(_3);
StorageLive(_5);
_3 = discriminant(_2);
switchInt(move _3) -> [0: bb2, 1: bb3, otherwise: bb1];
}
bb1: {
unreachable;
}
bb2: {
StorageLive(_4);
- _4 = UbChecks();
+ _4 = const false;
assume(_4);
_5 = unreachable_unchecked::precondition_check() -> [return: bb1, unwind unreachable];
}
bb3: {
_0 = move ((_2 as Some).0: i32);
StorageDead(_5);
StorageDead(_3);
StorageDead(_2);
return;
}
}