- // MIR for `unwrap_unchecked` before Inline + // MIR for `unwrap_unchecked` after Inline fn unwrap_unchecked(_1: Option) -> T { debug slf => _1; // in scope 0 at $DIR/unwrap_unchecked.rs:+0:35: +0:38 let mut _0: T; // return place in scope 0 at $DIR/unwrap_unchecked.rs:+0:54: +0:55 let mut _2: std::option::Option; // in scope 0 at $DIR/unwrap_unchecked.rs:+1:5: +1:8 + scope 1 (inlined #[track_caller] Option::::unwrap_unchecked) { // at $DIR/unwrap_unchecked.rs:10:9: 10:27 + debug self => _2; // in scope 1 at $SRC_DIR/core/src/option.rs:LL:COL + let mut _3: &std::option::Option; // in scope 1 at $SRC_DIR/core/src/option.rs:LL:COL + let mut _4: isize; // in scope 1 at $SRC_DIR/core/src/option.rs:LL:COL + scope 2 { + debug val => _0; // in scope 2 at $SRC_DIR/core/src/option.rs:LL:COL + } + scope 3 { + scope 5 (inlined unreachable_unchecked) { // at $SRC_DIR/core/src/option.rs:LL:COL + scope 6 { + scope 7 (inlined unreachable_unchecked::runtime) { // at $SRC_DIR/core/src/intrinsics.rs:LL:COL + } + } + } + } + scope 4 (inlined Option::::is_some) { // at $SRC_DIR/core/src/option.rs:LL:COL + debug self => _3; // in scope 4 at $SRC_DIR/core/src/option.rs:LL:COL + } + } bb0: { StorageLive(_2); // scope 0 at $DIR/unwrap_unchecked.rs:+1:5: +1:8 _2 = move _1; // scope 0 at $DIR/unwrap_unchecked.rs:+1:5: +1:8 - _0 = Option::::unwrap_unchecked(move _2) -> [return: bb1, unwind: bb2]; // scope 0 at $DIR/unwrap_unchecked.rs:+1:5: +1:27 - // mir::Constant - // + span: $DIR/unwrap_unchecked.rs:10:9: 10:25 - // + literal: Const { ty: unsafe fn(Option) -> T {Option::::unwrap_unchecked}, val: Value() } + StorageLive(_3); // scope 0 at $DIR/unwrap_unchecked.rs:+1:9: +1:27 + _4 = discriminant(_2); // scope 1 at $SRC_DIR/core/src/option.rs:LL:COL + switchInt(move _4) -> [0: bb1, 1: bb2, otherwise: bb1]; // scope 1 at $SRC_DIR/core/src/option.rs:LL:COL } bb1: { - StorageDead(_2); // scope 0 at $DIR/unwrap_unchecked.rs:+1:26: +1:27 - return; // scope 0 at $DIR/unwrap_unchecked.rs:+2:2: +2:2 + unreachable; // scope 6 at $SRC_DIR/core/src/intrinsics.rs:LL:COL } - bb2 (cleanup): { - resume; // scope 0 at $DIR/unwrap_unchecked.rs:+0:1: +2:2 + bb2: { + _0 = move ((_2 as Some).0: T); // scope 1 at $SRC_DIR/core/src/option.rs:LL:COL + StorageDead(_3); // scope 0 at $DIR/unwrap_unchecked.rs:+1:9: +1:27 + StorageDead(_2); // scope 0 at $DIR/unwrap_unchecked.rs:+1:26: +1:27 + return; // scope 0 at $DIR/unwrap_unchecked.rs:+2:2: +2:2 } }