rust/tests/mir-opt/inline/unwrap_unchecked.unwrap_unchecked.Inline.panic-unwind.diff

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