// MIR for `unchecked_shl_unsigned_smaller` after PreCodegen fn unchecked_shl_unsigned_smaller(_1: u16, _2: u32) -> u16 { debug a => _1; // in scope 0 at $DIR/unchecked_shifts.rs:+0:46: +0:47 debug b => _2; // in scope 0 at $DIR/unchecked_shifts.rs:+0:54: +0:55 let mut _0: u16; // return place in scope 0 at $DIR/unchecked_shifts.rs:+0:65: +0:68 scope 1 (inlined core::num::::unchecked_shl) { // at $DIR/unchecked_shifts.rs:11:7: 11:23 debug self => _1; // in scope 1 at $SRC_DIR/core/src/num/uint_macros.rs:LL:COL debug rhs => _2; // in scope 1 at $SRC_DIR/core/src/num/uint_macros.rs:LL:COL let mut _11: u16; // in scope 1 at $SRC_DIR/core/src/num/mod.rs:LL:COL scope 2 { scope 3 (inlined core::num::::unchecked_shl::conv) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL debug x => _2; // in scope 3 at $SRC_DIR/core/src/num/mod.rs:LL:COL let mut _6: std::result::Result; // in scope 3 at $SRC_DIR/core/src/num/mod.rs:LL:COL let mut _9: std::option::Option; // in scope 3 at $SRC_DIR/core/src/num/mod.rs:LL:COL scope 4 { scope 5 (inlined >::try_into) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL debug self => _2; // in scope 5 at $SRC_DIR/core/src/convert/mod.rs:LL:COL scope 6 (inlined convert::num:: for u16>::try_from) { // at $SRC_DIR/core/src/convert/mod.rs:LL:COL debug u => _2; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL let mut _3: u32; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL let mut _4: bool; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL let mut _5: u16; // in scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL } } scope 7 (inlined Result::::ok) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL debug self => _6; // in scope 7 at $SRC_DIR/core/src/result.rs:LL:COL let mut _7: isize; // in scope 7 at $SRC_DIR/core/src/result.rs:LL:COL let _8: u16; // in scope 7 at $SRC_DIR/core/src/result.rs:LL:COL scope 8 { debug x => _8; // in scope 8 at $SRC_DIR/core/src/result.rs:LL:COL } } scope 9 (inlined #[track_caller] Option::::unwrap_unchecked) { // at $SRC_DIR/core/src/num/mod.rs:LL:COL debug self => _9; // in scope 9 at $SRC_DIR/core/src/option.rs:LL:COL let mut _10: isize; // in scope 9 at $SRC_DIR/core/src/option.rs:LL:COL let mut _12: &std::option::Option; // in scope 9 at $SRC_DIR/core/src/option.rs:LL:COL scope 10 { debug val => _11; // in scope 10 at $SRC_DIR/core/src/option.rs:LL:COL } scope 11 { scope 13 (inlined unreachable_unchecked) { // at $SRC_DIR/core/src/option.rs:LL:COL scope 14 { scope 15 (inlined unreachable_unchecked::runtime) { // at $SRC_DIR/core/src/intrinsics.rs:LL:COL } } } } scope 12 (inlined Option::::is_some) { // at $SRC_DIR/core/src/option.rs:LL:COL debug self => _12; // in scope 12 at $SRC_DIR/core/src/option.rs:LL:COL } } } } } } bb0: { StorageLive(_11); // scope 2 at $SRC_DIR/core/src/num/mod.rs:LL:COL StorageLive(_9); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL StorageLive(_6); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL StorageLive(_4); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL StorageLive(_3); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL _3 = const 65535_u32; // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL _4 = Gt(_2, move _3); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL StorageDead(_3); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL switchInt(move _4) -> [0: bb1, otherwise: bb2]; // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL } bb1: { StorageLive(_5); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL _5 = _2 as u16 (IntToInt); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL _6 = Result::::Ok(move _5); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL StorageDead(_5); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL goto -> bb3; // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL } bb2: { _6 = Result::::Err(const TryFromIntError(())); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL // mir::Constant // + span: no-location // + literal: Const { ty: TryFromIntError, val: Value() } goto -> bb3; // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL } bb3: { StorageDead(_4); // scope 6 at $SRC_DIR/core/src/convert/num.rs:LL:COL StorageLive(_8); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL _7 = discriminant(_6); // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL switchInt(move _7) -> [0: bb4, 1: bb5, otherwise: bb9]; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL } bb4: { _8 = move ((_6 as Ok).0: u16); // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL _9 = Option::::Some(move _8); // scope 8 at $SRC_DIR/core/src/result.rs:LL:COL goto -> bb6; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL } bb5: { _9 = Option::::None; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL goto -> bb6; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL } bb6: { StorageDead(_8); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL StorageDead(_6); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL StorageLive(_12); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL _10 = discriminant(_9); // scope 9 at $SRC_DIR/core/src/option.rs:LL:COL switchInt(move _10) -> [1: bb7, otherwise: bb9]; // scope 9 at $SRC_DIR/core/src/option.rs:LL:COL } bb7: { _11 = move ((_9 as Some).0: u16); // scope 9 at $SRC_DIR/core/src/option.rs:LL:COL StorageDead(_12); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL StorageDead(_9); // scope 4 at $SRC_DIR/core/src/num/mod.rs:LL:COL _0 = unchecked_shl::(_1, move _11) -> [return: bb8, unwind unreachable]; // scope 2 at $SRC_DIR/core/src/num/uint_macros.rs:LL:COL // mir::Constant // + span: $SRC_DIR/core/src/num/uint_macros.rs:LL:COL // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(u16, u16) -> u16 {unchecked_shl::}, val: Value() } } bb8: { StorageDead(_11); // scope 2 at $SRC_DIR/core/src/num/uint_macros.rs:LL:COL return; // scope 0 at $DIR/unchecked_shifts.rs:+2:2: +2:2 } bb9: { unreachable; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL } }