// MIR for `unchecked_shr_signed_smaller` after PreCodegen fn unchecked_shr_signed_smaller(_1: i16, _2: u32) -> i16 { debug a => _1; // in scope 0 at $DIR/unchecked_shifts.rs:+0:44: +0:45 debug b => _2; // in scope 0 at $DIR/unchecked_shifts.rs:+0:52: +0:53 let mut _0: i16; // return place in scope 0 at $DIR/unchecked_shifts.rs:+0:63: +0:66 scope 1 (inlined core::num::::unchecked_shr) { // at $DIR/unchecked_shifts.rs:17:7: 17:23 debug self => _1; // in scope 1 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL debug rhs => _2; // in scope 1 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL let mut _3: i16; // in scope 1 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL let mut _4: std::option::Option; // in scope 1 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL let mut _5: std::result::Result; // in scope 1 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL scope 2 { scope 3 (inlined >::try_into) { // at $SRC_DIR/core/src/num/int_macros.rs:LL:COL debug self => _2; // in scope 3 at $SRC_DIR/core/src/convert/mod.rs:LL:COL scope 4 (inlined convert::num:: for i16>::try_from) { // at $SRC_DIR/core/src/convert/mod.rs:LL:COL debug u => _2; // in scope 4 at $SRC_DIR/core/src/convert/num.rs:LL:COL let mut _6: bool; // in scope 4 at $SRC_DIR/core/src/convert/num.rs:LL:COL let mut _7: u32; // in scope 4 at $SRC_DIR/core/src/convert/num.rs:LL:COL let mut _8: i16; // in scope 4 at $SRC_DIR/core/src/convert/num.rs:LL:COL } } scope 5 (inlined Result::::ok) { // at $SRC_DIR/core/src/num/int_macros.rs:LL:COL debug self => _5; // in scope 5 at $SRC_DIR/core/src/result.rs:LL:COL let mut _9: isize; // in scope 5 at $SRC_DIR/core/src/result.rs:LL:COL let _10: i16; // in scope 5 at $SRC_DIR/core/src/result.rs:LL:COL scope 6 { debug x => _10; // in scope 6 at $SRC_DIR/core/src/result.rs:LL:COL } scope 7 { scope 8 { debug x => const TryFromIntError(()); // 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/int_macros.rs:LL:COL debug self => _4; // in scope 9 at $SRC_DIR/core/src/option.rs:LL:COL let mut _11: &std::option::Option; // in scope 9 at $SRC_DIR/core/src/option.rs:LL:COL let mut _12: isize; // in scope 9 at $SRC_DIR/core/src/option.rs:LL:COL scope 10 { debug val => _3; // 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 => _11; // in scope 12 at $SRC_DIR/core/src/option.rs:LL:COL } } } } bb0: { StorageLive(_3); // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL StorageLive(_4); // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL StorageLive(_5); // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL StorageLive(_6); // scope 4 at $SRC_DIR/core/src/convert/num.rs:LL:COL StorageLive(_7); // scope 4 at $SRC_DIR/core/src/convert/num.rs:LL:COL _7 = const 32767_u32; // scope 4 at $SRC_DIR/core/src/convert/num.rs:LL:COL _6 = Gt(_2, move _7); // scope 4 at $SRC_DIR/core/src/convert/num.rs:LL:COL StorageDead(_7); // scope 4 at $SRC_DIR/core/src/convert/num.rs:LL:COL switchInt(move _6) -> [0: bb4, otherwise: bb3]; // scope 4 at $SRC_DIR/core/src/convert/num.rs:LL:COL } bb1: { StorageDead(_10); // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL StorageDead(_5); // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL StorageLive(_11); // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL _12 = discriminant(_4); // scope 9 at $SRC_DIR/core/src/option.rs:LL:COL switchInt(move _12) -> [1: bb9, otherwise: bb7]; // scope 9 at $SRC_DIR/core/src/option.rs:LL:COL } bb2: { StorageDead(_3); // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL return; // scope 0 at $DIR/unchecked_shifts.rs:+2:2: +2:2 } bb3: { _5 = Result::::Err(const TryFromIntError(())); // scope 4 at $SRC_DIR/core/src/convert/num.rs:LL:COL // mir::Constant // + span: no-location // + literal: Const { ty: TryFromIntError, val: Value() } goto -> bb5; // scope 4 at $SRC_DIR/core/src/convert/num.rs:LL:COL } bb4: { StorageLive(_8); // scope 4 at $SRC_DIR/core/src/convert/num.rs:LL:COL _8 = _2 as i16 (IntToInt); // scope 4 at $SRC_DIR/core/src/convert/num.rs:LL:COL _5 = Result::::Ok(move _8); // scope 4 at $SRC_DIR/core/src/convert/num.rs:LL:COL StorageDead(_8); // scope 4 at $SRC_DIR/core/src/convert/num.rs:LL:COL goto -> bb5; // scope 4 at $SRC_DIR/core/src/convert/num.rs:LL:COL } bb5: { StorageDead(_6); // scope 4 at $SRC_DIR/core/src/convert/num.rs:LL:COL StorageLive(_10); // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL _9 = discriminant(_5); // scope 5 at $SRC_DIR/core/src/result.rs:LL:COL switchInt(move _9) -> [0: bb8, 1: bb6, otherwise: bb7]; // scope 5 at $SRC_DIR/core/src/result.rs:LL:COL } bb6: { _4 = Option::::None; // scope 8 at $SRC_DIR/core/src/result.rs:LL:COL goto -> bb1; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL } bb7: { unreachable; // scope 5 at $SRC_DIR/core/src/result.rs:LL:COL } bb8: { _10 = move ((_5 as Ok).0: i16); // scope 5 at $SRC_DIR/core/src/result.rs:LL:COL _4 = Option::::Some(move _10); // scope 6 at $SRC_DIR/core/src/result.rs:LL:COL goto -> bb1; // scope 5 at $SRC_DIR/core/src/result.rs:LL:COL } bb9: { _3 = move ((_4 as Some).0: i16); // scope 9 at $SRC_DIR/core/src/option.rs:LL:COL StorageDead(_11); // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL StorageDead(_4); // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL _0 = unchecked_shr::(_1, move _3) -> [return: bb2, unwind unreachable]; // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL // mir::Constant // + span: $SRC_DIR/core/src/num/int_macros.rs:LL:COL // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(i16, i16) -> i16 {unchecked_shr::}, val: Value() } } }