// MIR for `num_to_digit` after PreCodegen fn num_to_digit(_1: char) -> u32 { debug num => _1; // in scope 0 at $DIR/issue-59352.rs:12:21: 12:24 let mut _0: u32; // return place in scope 0 at $DIR/issue-59352.rs:12:35: 12:38 let mut _2: char; // in scope 0 at $DIR/issue-59352.rs:14:8: 14:11 let mut _3: std::option::Option; // in scope 0 at $DIR/issue-59352.rs:14:26: 14:41 let mut _4: char; // in scope 0 at $DIR/issue-59352.rs:14:26: 14:29 let mut _5: u32; // in scope 0 at $DIR/issue-59352.rs:14:8: 14:23 let mut _11: isize; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL scope 1 (inlined char::methods::::is_digit) { // at $DIR/issue-59352.rs:14:8: 14:23 debug self => _2; // in scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL debug radix => _5; // in scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL let mut _6: &std::option::Option; // in scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL let _7: std::option::Option; // in scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL let mut _8: char; // in scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL scope 2 (inlined Option::::is_some) { // at $SRC_DIR/core/src/char/methods.rs:LL:COL debug self => _6; // in scope 2 at $SRC_DIR/core/src/option.rs:LL:COL let mut _9: isize; // in scope 2 at $SRC_DIR/core/src/option.rs:LL:COL } } scope 3 (inlined #[track_caller] Option::::unwrap) { // at $DIR/issue-59352.rs:14:26: 14:50 debug self => _3; // in scope 3 at $SRC_DIR/core/src/option.rs:LL:COL let mut _10: isize; // in scope 3 at $SRC_DIR/core/src/option.rs:LL:COL scope 4 { debug val => _0; // in scope 4 at $SRC_DIR/core/src/option.rs:LL:COL } } bb0: { StorageLive(_2); // scope 0 at $DIR/issue-59352.rs:14:8: 14:11 _2 = _1; // scope 0 at $DIR/issue-59352.rs:14:8: 14:11 StorageLive(_5); // scope 0 at $DIR/issue-59352.rs:14:8: 14:23 _5 = const 8_u32; // scope 0 at $DIR/issue-59352.rs:14:8: 14:23 StorageLive(_6); // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL StorageLive(_7); // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL StorageLive(_8); // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL _8 = _2; // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL _7 = char::methods::::to_digit(move _8, const 8_u32) -> bb5; // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL // mir::Constant // + span: $SRC_DIR/core/src/char/methods.rs:LL:COL // + literal: Const { ty: fn(char, u32) -> Option {char::methods::::to_digit}, val: Value(Scalar()) } } bb1: { StorageDead(_11); // scope 0 at $DIR/issue-59352.rs:14:8: 14:23 StorageLive(_3); // scope 0 at $DIR/issue-59352.rs:14:26: 14:41 StorageLive(_4); // scope 0 at $DIR/issue-59352.rs:14:26: 14:29 _4 = _1; // scope 0 at $DIR/issue-59352.rs:14:26: 14:29 _3 = char::methods::::to_digit(move _4, const 8_u32) -> bb2; // scope 0 at $DIR/issue-59352.rs:14:26: 14:41 // mir::Constant // + span: $DIR/issue-59352.rs:14:30: 14:38 // + literal: Const { ty: fn(char, u32) -> Option {char::methods::::to_digit}, val: Value(Scalar()) } } bb2: { StorageDead(_4); // scope 0 at $DIR/issue-59352.rs:14:40: 14:41 StorageLive(_10); // scope 0 at $DIR/issue-59352.rs:14:26: 14:50 _10 = discriminant(_3); // scope 3 at $SRC_DIR/core/src/option.rs:LL:COL switchInt(move _10) -> [0_isize: bb6, 1_isize: bb8, otherwise: bb7]; // scope 3 at $SRC_DIR/core/src/option.rs:LL:COL } bb3: { StorageDead(_11); // scope 0 at $DIR/issue-59352.rs:14:8: 14:23 _0 = const 0_u32; // scope 0 at $DIR/issue-59352.rs:14:60: 14:61 goto -> bb4; // scope 0 at $DIR/issue-59352.rs:14:5: 14:63 } bb4: { return; // scope 0 at $DIR/issue-59352.rs:15:2: 15:2 } bb5: { _6 = &_7; // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL StorageDead(_8); // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL StorageLive(_9); // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL _9 = discriminant((*_6)); // scope 2 at $SRC_DIR/core/src/option.rs:LL:COL StorageLive(_11); // scope 2 at $SRC_DIR/core/src/macros/mod.rs:LL:COL _11 = move _9; // scope 2 at $SRC_DIR/core/src/macros/mod.rs:LL:COL StorageDead(_9); // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL StorageDead(_6); // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL StorageDead(_7); // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL StorageDead(_5); // scope 0 at $DIR/issue-59352.rs:14:8: 14:23 StorageDead(_2); // scope 0 at $DIR/issue-59352.rs:14:22: 14:23 switchInt(move _11) -> [1_isize: bb1, otherwise: bb3]; // scope 0 at $DIR/issue-59352.rs:14:8: 14:23 } bb6: { core::panicking::panic(const "called `Option::unwrap()` on a `None` value"); // scope 3 at $SRC_DIR/core/src/option.rs:LL:COL // mir::Constant // + span: $SRC_DIR/core/src/option.rs:LL:COL // + literal: Const { ty: fn(&'static str) -> ! {core::panicking::panic}, val: Value(Scalar()) } // mir::Constant // + span: $SRC_DIR/core/src/option.rs:LL:COL // + literal: Const { ty: &str, val: Value(Slice { data: Allocation { bytes: [99, 97, 108, 108, 101, 100, 32, 96, 79, 112, 116, 105, 111, 110, 58, 58, 117, 110, 119, 114, 97, 112, 40, 41, 96, 32, 111, 110, 32, 97, 32, 96, 78, 111, 110, 101, 96, 32, 118, 97, 108, 117, 101], relocations: Relocations(SortedMap { data: [] }), init_mask: InitMask { blocks: [8796093022207], len: Size { raw: 43 } }, align: Align { pow2: 0 }, mutability: Not, extra: () }, start: 0, end: 43 }) } } bb7: { unreachable; // scope 3 at $SRC_DIR/core/src/option.rs:LL:COL } bb8: { _0 = move ((_3 as Some).0: u32); // scope 3 at $SRC_DIR/core/src/option.rs:LL:COL StorageDead(_10); // scope 0 at $DIR/issue-59352.rs:14:26: 14:50 StorageDead(_3); // scope 0 at $DIR/issue-59352.rs:14:49: 14:50 goto -> bb4; // scope 0 at $DIR/issue-59352.rs:14:5: 14:63 } }