src/test/mir-opt/match_arm_scopes.complicated_match.SimplifyCfg-initial.after-ElaborateDrops.after.diff

   1 - // MIR for `complicated_match` after SimplifyCfg-initial
   2 + // MIR for `complicated_match` after ElaborateDrops
   3
   4   fn complicated_match(_1: bool, _2: (bool, bool, String)) -> i32 {
   5       debug cond => _1;                    // in scope 0 at $DIR/match-arm-scopes.rs:13:22: 13:26
   6       debug items => _2;                   // in scope 0 at $DIR/match-arm-scopes.rs:13:34: 13:39
   7       let mut _0: i32;                     // return place in scope 0 at $DIR/match-arm-scopes.rs:13:66: 13:69
   8       let mut _3: &bool;                   // in scope 0 at $DIR/match-arm-scopes.rs:14:11: 14:16
   9       let mut _4: &bool;                   // in scope 0 at $DIR/match-arm-scopes.rs:14:11: 14:16
  10       let _5: bool;                        // in scope 0 at $DIR/match-arm-scopes.rs:15:17: 15:18
  11       let _6: &bool;                       // in scope 0 at $DIR/match-arm-scopes.rs:15:17: 15:18
  12       let _7: std::string::String;         // in scope 0 at $DIR/match-arm-scopes.rs:15:20: 15:21
  13       let _8: &std::string::String;        // in scope 0 at $DIR/match-arm-scopes.rs:15:20: 15:21
  14       let mut _9: bool;                    // in scope 0 at $DIR/match-arm-scopes.rs:15:42: 15:73
  15       let mut _10: bool;                   // in scope 0 at $DIR/match-arm-scopes.rs:15:45: 15:49
  16       let mut _11: !;                      // in scope 0 at $DIR/match-arm-scopes.rs:15:52: 15:60
  17       let mut _12: bool;                   // in scope 0 at $DIR/match-arm-scopes.rs:15:42: 15:73
  18       let mut _13: bool;                   // in scope 0 at $DIR/match-arm-scopes.rs:15:45: 15:49
  19       let mut _14: !;                      // in scope 0 at $DIR/match-arm-scopes.rs:15:52: 15:60
  20       let _15: bool;                       // in scope 0 at $DIR/match-arm-scopes.rs:16:16: 16:17
  21       let _16: std::string::String;        // in scope 0 at $DIR/match-arm-scopes.rs:16:19: 16:20
  22       scope 1 {
  23           debug a => _5;                   // in scope 1 at $DIR/match-arm-scopes.rs:15:17: 15:18
  24           debug a => _6;                   // in scope 1 at $DIR/match-arm-scopes.rs:15:17: 15:18
  25           debug s => _7;                   // in scope 1 at $DIR/match-arm-scopes.rs:15:20: 15:21
  26           debug s => _8;                   // in scope 1 at $DIR/match-arm-scopes.rs:15:20: 15:21
  27       }
  28       scope 2 {
  29           debug b => _15;                  // in scope 2 at $DIR/match-arm-scopes.rs:16:16: 16:17
  30           debug t => _16;                  // in scope 2 at $DIR/match-arm-scopes.rs:16:19: 16:20
  31       }
  32
  33       bb0: {
  34 -         FakeRead(ForMatchedPlace(None), _2); // scope 0 at $DIR/match-arm-scopes.rs:14:11: 14:16
  35 -         switchInt((_2.0: bool)) -> [false: bb1, otherwise: bb2]; // scope 0 at $DIR/match-arm-scopes.rs:15:10: 15:15
  36 +         switchInt((_2.0: bool)) -> [false: bb5, otherwise: bb1]; // scope 0 at $DIR/match-arm-scopes.rs:15:10: 15:15
  37       }
  38
  39       bb1: {
  40 -         falseEdge -> [real: bb8, imaginary: bb3]; // scope 0 at $DIR/match-arm-scopes.rs:15:9: 15:22
  41 +         switchInt((_2.1: bool)) -> [false: bb10, otherwise: bb2]; // scope 0 at $DIR/match-arm-scopes.rs:15:29: 15:34
  42       }
  43
  44       bb2: {
  45 -         switchInt((_2.1: bool)) -> [false: bb3, otherwise: bb4]; // scope 0 at $DIR/match-arm-scopes.rs:15:29: 15:34
  46 +         switchInt((_2.0: bool)) -> [false: bb3, otherwise: bb17]; // scope 0 at $DIR/match-arm-scopes.rs:16:10: 16:14
  47       }
  48
  49       bb3: {
  50 -         falseEdge -> [real: bb13, imaginary: bb5]; // scope 0 at $DIR/match-arm-scopes.rs:15:25: 15:38
  51 -     }
  52 -
  53 -     bb4: {
  54 -         switchInt((_2.0: bool)) -> [false: bb6, otherwise: bb5]; // scope 0 at $DIR/match-arm-scopes.rs:16:10: 16:14
  55 -     }
  56 -
  57 -     bb5: {
  58 -         falseEdge -> [real: bb20, imaginary: bb6]; // scope 0 at $DIR/match-arm-scopes.rs:16:9: 16:21
  59 -     }
  60 -
  61 -     bb6: {
  62           StorageLive(_15);                // scope 0 at $DIR/match-arm-scopes.rs:16:32: 16:33
  63           _15 = (_2.1: bool);              // scope 0 at $DIR/match-arm-scopes.rs:16:32: 16:33
  64           StorageLive(_16);                // scope 0 at $DIR/match-arm-scopes.rs:16:35: 16:36
  65           _16 = move (_2.2: std::string::String); // scope 0 at $DIR/match-arm-scopes.rs:16:35: 16:36
  66 -         goto -> bb19;                    // scope 0 at $DIR/match-arm-scopes.rs:14:5: 17:6
  67 +         goto -> bb16;                    // scope 0 at $DIR/match-arm-scopes.rs:14:5: 17:6
  68       }
  69
  70 -     bb7: {
  71 +     bb4: {
  72           _0 = const 1_i32;                // scope 1 at $DIR/match-arm-scopes.rs:15:77: 15:78
  73 -         drop(_7) -> [return: bb18, unwind: bb25]; // scope 0 at $DIR/match-arm-scopes.rs:15:77: 15:78
  74 +         drop(_7) -> [return: bb15, unwind: bb22]; // scope 0 at $DIR/match-arm-scopes.rs:15:77: 15:78
  75       }
  76
  77 -     bb8: {
  78 +     bb5: {
  79           StorageLive(_6);                 // scope 0 at $DIR/match-arm-scopes.rs:15:17: 15:18
  80           _6 = &(_2.1: bool);              // scope 0 at $DIR/match-arm-scopes.rs:15:17: 15:18
  81           StorageLive(_8);                 // scope 0 at $DIR/match-arm-scopes.rs:15:20: 15:21
  82           _8 = &(_2.2: std::string::String); // scope 0 at $DIR/match-arm-scopes.rs:15:20: 15:21
  83 -         _3 = &shallow (_2.0: bool);      // scope 0 at $DIR/match-arm-scopes.rs:14:11: 14:16
  84 -         _4 = &shallow (_2.1: bool);      // scope 0 at $DIR/match-arm-scopes.rs:14:11: 14:16
  85           StorageLive(_9);                 // scope 0 at $DIR/match-arm-scopes.rs:15:42: 15:73
  86           StorageLive(_10);                // scope 0 at $DIR/match-arm-scopes.rs:15:45: 15:49
  87           _10 = _1;                        // scope 0 at $DIR/match-arm-scopes.rs:15:45: 15:49
  88 -         switchInt(move _10) -> [false: bb10, otherwise: bb9]; // scope 0 at $DIR/match-arm-scopes.rs:15:42: 15:73
  89 +         switchInt(move _10) -> [false: bb7, otherwise: bb6]; // scope 0 at $DIR/match-arm-scopes.rs:15:42: 15:73
  90       }
  91
  92 -     bb9: {
  93 +     bb6: {
  94           _0 = const 3_i32;                // scope 0 at $DIR/match-arm-scopes.rs:15:59: 15:60
  95           StorageDead(_10);                // scope 0 at $DIR/match-arm-scopes.rs:15:72: 15:73
  96           StorageDead(_9);                 // scope 0 at $DIR/match-arm-scopes.rs:15:77: 15:78
  97 -         goto -> bb23;                    // scope 0 at $DIR/match-arm-scopes.rs:1:1: 1:1
  98 +         goto -> bb20;                    // scope 0 at $DIR/match-arm-scopes.rs:1:1: 1:1
  99       }
 100
 101 -     bb10: {
 102 +     bb7: {
 103           _9 = (*_6);                      // scope 0 at $DIR/match-arm-scopes.rs:15:70: 15:71
 104           StorageDead(_10);                // scope 0 at $DIR/match-arm-scopes.rs:15:72: 15:73
 105 -         switchInt(move _9) -> [false: bb12, otherwise: bb11]; // scope 0 at $DIR/match-arm-scopes.rs:15:42: 15:73
 106 +         switchInt(move _9) -> [false: bb9, otherwise: bb8]; // scope 0 at $DIR/match-arm-scopes.rs:15:42: 15:73
 107       }
 108
 109 -     bb11: {
 110 +     bb8: {
 111           StorageDead(_9);                 // scope 0 at $DIR/match-arm-scopes.rs:15:77: 15:78
 112 -         FakeRead(ForMatchGuard, _3);     // scope 0 at $DIR/match-arm-scopes.rs:15:72: 15:73
 113 -         FakeRead(ForMatchGuard, _4);     // scope 0 at $DIR/match-arm-scopes.rs:15:72: 15:73
 114 -         FakeRead(ForGuardBinding, _6);   // scope 0 at $DIR/match-arm-scopes.rs:15:72: 15:73
 115 -         FakeRead(ForGuardBinding, _8);   // scope 0 at $DIR/match-arm-scopes.rs:15:72: 15:73
 116           StorageLive(_5);                 // scope 0 at $DIR/match-arm-scopes.rs:15:17: 15:18
 117           _5 = (_2.1: bool);               // scope 0 at $DIR/match-arm-scopes.rs:15:17: 15:18
 118           StorageLive(_7);                 // scope 0 at $DIR/match-arm-scopes.rs:15:20: 15:21
 119           _7 = move (_2.2: std::string::String); // scope 0 at $DIR/match-arm-scopes.rs:15:20: 15:21
 120 -         goto -> bb7;                     // scope 0 at $DIR/match-arm-scopes.rs:14:5: 17:6
 121 +         goto -> bb4;                     // scope 0 at $DIR/match-arm-scopes.rs:14:5: 17:6
 122       }
 123
 124 -     bb12: {
 125 +     bb9: {
 126           StorageDead(_9);                 // scope 0 at $DIR/match-arm-scopes.rs:15:77: 15:78
 127           StorageDead(_8);                 // scope 0 at $DIR/match-arm-scopes.rs:15:77: 15:78
 128           StorageDead(_6);                 // scope 0 at $DIR/match-arm-scopes.rs:15:77: 15:78
 129 -         falseEdge -> [real: bb2, imaginary: bb3]; // scope 0 at $DIR/match-arm-scopes.rs:15:42: 15:73
 130 +         goto -> bb1;                     // scope 0 at $DIR/match-arm-scopes.rs:15:42: 15:73
 131       }
 132
 133 -     bb13: {
 134 +     bb10: {
 135           StorageLive(_6);                 // scope 0 at $DIR/match-arm-scopes.rs:15:26: 15:27
 136           _6 = &(_2.0: bool);              // scope 0 at $DIR/match-arm-scopes.rs:15:26: 15:27
 137           StorageLive(_8);                 // scope 0 at $DIR/match-arm-scopes.rs:15:36: 15:37
 138           _8 = &(_2.2: std::string::String); // scope 0 at $DIR/match-arm-scopes.rs:15:36: 15:37
 139 -         _3 = &shallow (_2.0: bool);      // scope 0 at $DIR/match-arm-scopes.rs:14:11: 14:16
 140 -         _4 = &shallow (_2.1: bool);      // scope 0 at $DIR/match-arm-scopes.rs:14:11: 14:16
 141           StorageLive(_12);                // scope 0 at $DIR/match-arm-scopes.rs:15:42: 15:73
 142           StorageLive(_13);                // scope 0 at $DIR/match-arm-scopes.rs:15:45: 15:49
 143           _13 = _1;                        // scope 0 at $DIR/match-arm-scopes.rs:15:45: 15:49
 144 -         switchInt(move _13) -> [false: bb15, otherwise: bb14]; // scope 0 at $DIR/match-arm-scopes.rs:15:42: 15:73
 145 +         switchInt(move _13) -> [false: bb12, otherwise: bb11]; // scope 0 at $DIR/match-arm-scopes.rs:15:42: 15:73
 146       }
 147
 148 -     bb14: {
 149 +     bb11: {
 150           _0 = const 3_i32;                // scope 0 at $DIR/match-arm-scopes.rs:15:59: 15:60
 151           StorageDead(_13);                // scope 0 at $DIR/match-arm-scopes.rs:15:72: 15:73
 152           StorageDead(_12);                // scope 0 at $DIR/match-arm-scopes.rs:15:77: 15:78
 153 -         goto -> bb23;                    // scope 0 at $DIR/match-arm-scopes.rs:1:1: 1:1
 154 +         goto -> bb20;                    // scope 0 at $DIR/match-arm-scopes.rs:1:1: 1:1
 155       }
 156
 157 -     bb15: {
 158 +     bb12: {
 159           _12 = (*_6);                     // scope 0 at $DIR/match-arm-scopes.rs:15:70: 15:71
 160           StorageDead(_13);                // scope 0 at $DIR/match-arm-scopes.rs:15:72: 15:73
 161 -         switchInt(move _12) -> [false: bb17, otherwise: bb16]; // scope 0 at $DIR/match-arm-scopes.rs:15:42: 15:73
 162 +         switchInt(move _12) -> [false: bb14, otherwise: bb13]; // scope 0 at $DIR/match-arm-scopes.rs:15:42: 15:73
 163       }
 164
 165 -     bb16: {
 166 +     bb13: {
 167           StorageDead(_12);                // scope 0 at $DIR/match-arm-scopes.rs:15:77: 15:78
 168 -         FakeRead(ForMatchGuard, _3);     // scope 0 at $DIR/match-arm-scopes.rs:15:72: 15:73
 169 -         FakeRead(ForMatchGuard, _4);     // scope 0 at $DIR/match-arm-scopes.rs:15:72: 15:73
 170 -         FakeRead(ForGuardBinding, _6);   // scope 0 at $DIR/match-arm-scopes.rs:15:72: 15:73
 171 -         FakeRead(ForGuardBinding, _8);   // scope 0 at $DIR/match-arm-scopes.rs:15:72: 15:73
 172           StorageLive(_5);                 // scope 0 at $DIR/match-arm-scopes.rs:15:26: 15:27
 173           _5 = (_2.0: bool);               // scope 0 at $DIR/match-arm-scopes.rs:15:26: 15:27
 174           StorageLive(_7);                 // scope 0 at $DIR/match-arm-scopes.rs:15:36: 15:37
 175           _7 = move (_2.2: std::string::String); // scope 0 at $DIR/match-arm-scopes.rs:15:36: 15:37
 176 -         goto -> bb7;                     // scope 0 at $DIR/match-arm-scopes.rs:14:5: 17:6
 177 +         goto -> bb4;                     // scope 0 at $DIR/match-arm-scopes.rs:14:5: 17:6
 178       }
 179
 180 -     bb17: {
 181 +     bb14: {
 182           StorageDead(_12);                // scope 0 at $DIR/match-arm-scopes.rs:15:77: 15:78
 183           StorageDead(_8);                 // scope 0 at $DIR/match-arm-scopes.rs:15:77: 15:78
 184           StorageDead(_6);                 // scope 0 at $DIR/match-arm-scopes.rs:15:77: 15:78
 185 -         falseEdge -> [real: bb4, imaginary: bb5]; // scope 0 at $DIR/match-arm-scopes.rs:15:42: 15:73
 186 +         goto -> bb2;                     // scope 0 at $DIR/match-arm-scopes.rs:15:42: 15:73
 187       }
 188
 189 -     bb18: {
 190 +     bb15: {
 191           StorageDead(_7);                 // scope 0 at $DIR/match-arm-scopes.rs:15:77: 15:78
 192           StorageDead(_5);                 // scope 0 at $DIR/match-arm-scopes.rs:15:77: 15:78
 193           StorageDead(_8);                 // scope 0 at $DIR/match-arm-scopes.rs:15:77: 15:78
 194           StorageDead(_6);                 // scope 0 at $DIR/match-arm-scopes.rs:15:77: 15:78
 195 -         goto -> bb22;                    // scope 0 at $DIR/match-arm-scopes.rs:14:5: 17:6
 196 +         goto -> bb19;                    // scope 0 at $DIR/match-arm-scopes.rs:14:5: 17:6
 197       }
 198
 199 -     bb19: {
 200 +     bb16: {
 201           _0 = const 2_i32;                // scope 2 at $DIR/match-arm-scopes.rs:16:41: 16:42
 202 -         drop(_16) -> [return: bb21, unwind: bb25]; // scope 0 at $DIR/match-arm-scopes.rs:16:41: 16:42
 203 +         drop(_16) -> [return: bb18, unwind: bb22]; // scope 0 at $DIR/match-arm-scopes.rs:16:41: 16:42
 204       }
 205
 206 -     bb20: {
 207 +     bb17: {
 208           StorageLive(_15);                // scope 0 at $DIR/match-arm-scopes.rs:16:16: 16:17
 209           _15 = (_2.1: bool);              // scope 0 at $DIR/match-arm-scopes.rs:16:16: 16:17
 210           StorageLive(_16);                // scope 0 at $DIR/match-arm-scopes.rs:16:19: 16:20
 211           _16 = move (_2.2: std::string::String); // scope 0 at $DIR/match-arm-scopes.rs:16:19: 16:20
 212 -         goto -> bb19;                    // scope 0 at $DIR/match-arm-scopes.rs:14:5: 17:6
 213 +         goto -> bb16;                    // scope 0 at $DIR/match-arm-scopes.rs:14:5: 17:6
 214       }
 215
 216 -     bb21: {
 217 +     bb18: {
 218           StorageDead(_16);                // scope 0 at $DIR/match-arm-scopes.rs:16:41: 16:42
 219           StorageDead(_15);                // scope 0 at $DIR/match-arm-scopes.rs:16:41: 16:42
 220 -         goto -> bb22;                    // scope 0 at $DIR/match-arm-scopes.rs:14:5: 17:6
 221 +         goto -> bb19;                    // scope 0 at $DIR/match-arm-scopes.rs:14:5: 17:6
 222       }
 223
 224 -     bb22: {
 225 -         drop(_2) -> [return: bb24, unwind: bb26]; // scope 0 at $DIR/match-arm-scopes.rs:18:1: 18:2
 226 +     bb19: {
 227 +         goto -> bb26;                    // scope 0 at $DIR/match-arm-scopes.rs:18:1: 18:2
 228       }
 229
 230 -     bb23: {
 231 +     bb20: {
 232           StorageDead(_8);                 // scope 0 at $DIR/match-arm-scopes.rs:15:77: 15:78
 233           StorageDead(_6);                 // scope 0 at $DIR/match-arm-scopes.rs:15:77: 15:78
 234 -         drop(_2) -> [return: bb24, unwind: bb26]; // scope 0 at $DIR/match-arm-scopes.rs:18:1: 18:2
 235 +         drop(_2) -> [return: bb21, unwind: bb23]; // scope 0 at $DIR/match-arm-scopes.rs:18:1: 18:2
 236       }
 237
 238 -     bb24: {
 239 +     bb21: {
 240           return;                          // scope 0 at $DIR/match-arm-scopes.rs:18:2: 18:2
 241       }
 242
 243 -     bb25 (cleanup): {
 244 -         drop(_2) -> bb26;                // scope 0 at $DIR/match-arm-scopes.rs:18:1: 18:2
 245 +     bb22 (cleanup): {
 246 +         goto -> bb27;                    // scope 0 at $DIR/match-arm-scopes.rs:18:1: 18:2
 247       }
 248
 249 -     bb26 (cleanup): {
 250 +     bb23 (cleanup): {
 251           resume;                          // scope 0 at $DIR/match-arm-scopes.rs:13:1: 18:2
 252 +     }
 253 +
 254 +     bb24: {
 255 +         goto -> bb21;                    // scope 0 at $DIR/match-arm-scopes.rs:18:1: 18:2
 256 +     }
 257 +
 258 +     bb25 (cleanup): {
 259 +         goto -> bb23;                    // scope 0 at $DIR/match-arm-scopes.rs:18:1: 18:2
 260 +     }
 261 +
 262 +     bb26: {
 263 +         goto -> bb24;                    // scope 0 at $DIR/match-arm-scopes.rs:18:1: 18:2
 264 +     }
 265 +
 266 +     bb27 (cleanup): {
 267 +         goto -> bb23;                    // scope 0 at $DIR/match-arm-scopes.rs:18:1: 18:2
 268       }
 269   }
 270