src/test/mir-opt/issues/issue_59352.num_to_digit.PreCodegen.after.mir

   1 // MIR for `num_to_digit` after PreCodegen
   2
   3 fn num_to_digit(_1: char) -> u32 {
   4     debug num => _1;                     // in scope 0 at $DIR/issue-59352.rs:+0:21: +0:24
   5     let mut _0: u32;                     // return place in scope 0 at $DIR/issue-59352.rs:+0:35: +0:38
   6     let mut _2: char;                    // in scope 0 at $DIR/issue-59352.rs:+2:8: +2:11
   7     let mut _3: std::option::Option<u32>; // in scope 0 at $DIR/issue-59352.rs:+2:26: +2:41
   8     let mut _4: char;                    // in scope 0 at $DIR/issue-59352.rs:+2:26: +2:29
   9     let mut _5: u32;                     // in scope 0 at $DIR/issue-59352.rs:+2:8: +2:23
  10     let mut _12: isize;                  // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
  11     scope 1 (inlined char::methods::<impl char>::is_digit) { // at $DIR/issue-59352.rs:14:8: 14:23
  12         debug self => _2;                // in scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
  13         debug radix => _5;               // in scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
  14         let mut _6: &std::option::Option<u32>; // in scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
  15         let _7: std::option::Option<u32>; // in scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
  16         let mut _8: char;                // in scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
  17         scope 2 (inlined Option::<u32>::is_some) { // at $SRC_DIR/core/src/char/methods.rs:LL:COL
  18             debug self => _6;            // in scope 2 at $SRC_DIR/core/src/option.rs:LL:COL
  19             let mut _9: isize;           // in scope 2 at $SRC_DIR/core/src/option.rs:LL:COL
  20         }
  21     }
  22     scope 3 (inlined #[track_caller] Option::<u32>::unwrap) { // at $DIR/issue-59352.rs:14:26: 14:50
  23         debug self => _3;                // in scope 3 at $SRC_DIR/core/src/option.rs:LL:COL
  24         let mut _10: isize;              // in scope 3 at $SRC_DIR/core/src/option.rs:LL:COL
  25         let mut _11: !;                  // in scope 3 at $SRC_DIR/core/src/option.rs:LL:COL
  26         scope 4 {
  27             debug val => _0;             // in scope 4 at $SRC_DIR/core/src/option.rs:LL:COL
  28         }
  29     }
  30
  31     bb0: {
  32         StorageLive(_2);                 // scope 0 at $DIR/issue-59352.rs:+2:8: +2:11
  33         _2 = _1;                         // scope 0 at $DIR/issue-59352.rs:+2:8: +2:11
  34         StorageLive(_5);                 // scope 0 at $DIR/issue-59352.rs:+2:8: +2:23
  35         StorageLive(_6);                 // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
  36         StorageLive(_7);                 // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
  37         StorageLive(_8);                 // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
  38         _8 = _2;                         // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
  39         _7 = char::methods::<impl char>::to_digit(move _8, const 8_u32) -> bb5; // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
  40                                          // mir::Constant
  41                                          // + span: $SRC_DIR/core/src/char/methods.rs:LL:COL
  42                                          // + literal: Const { ty: fn(char, u32) -> Option<u32> {char::methods::<impl char>::to_digit}, val: Value(<ZST>) }
  43     }
  44
  45     bb1: {
  46         StorageDead(_12);                // scope 0 at $DIR/issue-59352.rs:+2:8: +2:23
  47         StorageLive(_3);                 // scope 0 at $DIR/issue-59352.rs:+2:26: +2:41
  48         StorageLive(_4);                 // scope 0 at $DIR/issue-59352.rs:+2:26: +2:29
  49         _4 = _1;                         // scope 0 at $DIR/issue-59352.rs:+2:26: +2:29
  50         _3 = char::methods::<impl char>::to_digit(move _4, const 8_u32) -> bb2; // scope 0 at $DIR/issue-59352.rs:+2:26: +2:41
  51                                          // mir::Constant
  52                                          // + span: $DIR/issue-59352.rs:14:30: 14:38
  53                                          // + literal: Const { ty: fn(char, u32) -> Option<u32> {char::methods::<impl char>::to_digit}, val: Value(<ZST>) }
  54     }
  55
  56     bb2: {
  57         StorageDead(_4);                 // scope 0 at $DIR/issue-59352.rs:+2:40: +2:41
  58         StorageLive(_10);                // scope 0 at $DIR/issue-59352.rs:+2:26: +2:50
  59         _10 = discriminant(_3);          // scope 3 at $SRC_DIR/core/src/option.rs:LL:COL
  60         switchInt(move _10) -> [0_isize: bb6, 1_isize: bb8, otherwise: bb7]; // scope 3 at $SRC_DIR/core/src/option.rs:LL:COL
  61     }
  62
  63     bb3: {
  64         StorageDead(_12);                // scope 0 at $DIR/issue-59352.rs:+2:8: +2:23
  65         _0 = const 0_u32;                // scope 0 at $DIR/issue-59352.rs:+2:60: +2:61
  66         goto -> bb4;                     // scope 0 at $DIR/issue-59352.rs:+2:5: +2:63
  67     }
  68
  69     bb4: {
  70         return;                          // scope 0 at $DIR/issue-59352.rs:+3:2: +3:2
  71     }
  72
  73     bb5: {
  74         _6 = &_7;                        // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
  75         StorageDead(_8);                 // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
  76         StorageLive(_9);                 // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
  77         _9 = discriminant((*_6));        // scope 2 at $SRC_DIR/core/src/option.rs:LL:COL
  78         StorageLive(_12);                // scope 2 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
  79         _12 = move _9;                   // scope 2 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
  80         StorageDead(_9);                 // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
  81         StorageDead(_6);                 // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
  82         StorageDead(_7);                 // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
  83         StorageDead(_5);                 // scope 0 at $DIR/issue-59352.rs:+2:8: +2:23
  84         StorageDead(_2);                 // scope 0 at $DIR/issue-59352.rs:+2:22: +2:23
  85         switchInt(move _12) -> [1_isize: bb1, otherwise: bb3]; // scope 0 at $DIR/issue-59352.rs:+2:8: +2:23
  86     }
  87
  88     bb6: {
  89         StorageLive(_11);                // scope 3 at $SRC_DIR/core/src/option.rs:LL:COL
  90         _11 = core::panicking::panic(const "called `Option::unwrap()` on a `None` value"); // scope 3 at $SRC_DIR/core/src/option.rs:LL:COL
  91                                          // mir::Constant
  92                                          // + span: $SRC_DIR/core/src/option.rs:LL:COL
  93                                          // + literal: Const { ty: fn(&'static str) -> ! {core::panicking::panic}, val: Value(<ZST>) }
  94                                          // mir::Constant
  95                                          // + span: $SRC_DIR/core/src/option.rs:LL:COL
  96                                          // + literal: Const { ty: &str, val: Value(Slice(..)) }
  97     }
  98
  99     bb7: {
 100         unreachable;                     // scope 3 at $SRC_DIR/core/src/option.rs:LL:COL
 101     }
 102
 103     bb8: {
 104         _0 = move ((_3 as Some).0: u32); // scope 3 at $SRC_DIR/core/src/option.rs:LL:COL
 105         StorageDead(_10);                // scope 0 at $DIR/issue-59352.rs:+2:26: +2:50
 106         StorageDead(_3);                 // scope 0 at $DIR/issue-59352.rs:+2:49: +2:50
 107         goto -> bb4;                     // scope 0 at $DIR/issue-59352.rs:+2:5: +2:63
 108     }
 109 }