// 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:+0:21: +0:24 let mut _0: u32; // return place in scope 0 at $DIR/issue-59352.rs:+0:35: +0:38 let mut _2: char; // in scope 0 at $DIR/issue-59352.rs:+2:8: +2:11 let mut _3: std::option::Option; // in scope 0 at $DIR/issue-59352.rs:+2:26: +2:41 let mut _4: char; // in scope 0 at $DIR/issue-59352.rs:+2:26: +2:29 let mut _5: u32; // in scope 0 at $DIR/issue-59352.rs:+2:8: +2:23 let mut _12: 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 let mut _11: !; // 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:+2:8: +2:11 _2 = _1; // scope 0 at $DIR/issue-59352.rs:+2:8: +2:11 StorageLive(_5); // scope 0 at $DIR/issue-59352.rs:+2:8: +2:23 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() } } bb1: { StorageDead(_12); // scope 0 at $DIR/issue-59352.rs:+2:8: +2:23 StorageLive(_3); // scope 0 at $DIR/issue-59352.rs:+2:26: +2:41 StorageLive(_4); // scope 0 at $DIR/issue-59352.rs:+2:26: +2:29 _4 = _1; // scope 0 at $DIR/issue-59352.rs:+2:26: +2:29 _3 = char::methods::::to_digit(move _4, const 8_u32) -> bb2; // scope 0 at $DIR/issue-59352.rs:+2:26: +2:41 // mir::Constant // + span: $DIR/issue-59352.rs:14:30: 14:38 // + literal: Const { ty: fn(char, u32) -> Option {char::methods::::to_digit}, val: Value() } } bb2: { StorageDead(_4); // scope 0 at $DIR/issue-59352.rs:+2:40: +2:41 StorageLive(_10); // scope 0 at $DIR/issue-59352.rs:+2:26: +2:50 _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(_12); // scope 0 at $DIR/issue-59352.rs:+2:8: +2:23 _0 = const 0_u32; // scope 0 at $DIR/issue-59352.rs:+2:60: +2:61 goto -> bb4; // scope 0 at $DIR/issue-59352.rs:+2:5: +2:63 } bb4: { return; // scope 0 at $DIR/issue-59352.rs:+3:2: +3:2 } 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(_12); // scope 2 at $SRC_DIR/core/src/macros/mod.rs:LL:COL _12 = 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:+2:8: +2:23 StorageDead(_2); // scope 0 at $DIR/issue-59352.rs:+2:22: +2:23 switchInt(move _12) -> [1_isize: bb1, otherwise: bb3]; // scope 0 at $DIR/issue-59352.rs:+2:8: +2:23 } bb6: { StorageLive(_11); // scope 3 at $SRC_DIR/core/src/option.rs:LL:COL _11 = 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() } // mir::Constant // + span: $SRC_DIR/core/src/option.rs:LL:COL // + literal: Const { ty: &str, val: Value(Slice(..)) } } 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:+2:26: +2:50 StorageDead(_3); // scope 0 at $DIR/issue-59352.rs:+2:49: +2:50 goto -> bb4; // scope 0 at $DIR/issue-59352.rs:+2:5: +2:63 } }