src/test/mir-opt/simplify_try.try_identity.DestinationPropagation.diff

   1 - // MIR for `try_identity` before DestinationPropagation
   2 + // MIR for `try_identity` after DestinationPropagation
   3
   4   fn try_identity(_1: Result<u32, i32>) -> Result<u32, i32> {
   5       debug x => _1;                       // in scope 0 at $DIR/simplify_try.rs:20:17: 20:18
   6       let mut _0: std::result::Result<u32, i32>; // return place in scope 0 at $DIR/simplify_try.rs:20:41: 20:57
   7       let _2: u32;                         // in scope 0 at $DIR/simplify_try.rs:21:9: 21:10
   8       let mut _3: std::result::Result<u32, i32>; // in scope 0 at $DIR/simplify_try.rs:21:19: 21:33
   9       let mut _4: std::result::Result<u32, i32>; // in scope 0 at $DIR/simplify_try.rs:21:31: 21:32
  10       let mut _5: isize;                   // in scope 0 at $DIR/simplify_try.rs:22:9: 22:15
  11       let _6: i32;                         // in scope 0 at $DIR/simplify_try.rs:22:13: 22:14
  12       let mut _7: !;                       // in scope 0 at $DIR/simplify_try.rs:22:19: 22:51
  13       let mut _8: i32;                     // in scope 0 at $DIR/simplify_try.rs:22:37: 22:50
  14       let mut _9: i32;                     // in scope 0 at $DIR/simplify_try.rs:22:48: 22:49
  15       let _10: u32;                        // in scope 0 at $DIR/simplify_try.rs:23:12: 23:13
  16       let mut _11: u32;                    // in scope 0 at $DIR/simplify_try.rs:25:8: 25:9
  17       scope 1 {
  18 -         debug y => _2;                   // in scope 1 at $DIR/simplify_try.rs:21:9: 21:10
  19 +         debug y => ((_0 as Ok).0: u32);  // in scope 1 at $DIR/simplify_try.rs:21:9: 21:10
  20       }
  21       scope 2 {
  22 -         debug e => _6;                   // in scope 2 at $DIR/simplify_try.rs:22:13: 22:14
  23 +         debug e => ((_0 as Err).0: i32); // in scope 2 at $DIR/simplify_try.rs:22:13: 22:14
  24           scope 5 (inlined <i32 as From<i32>>::from) { // at $DIR/simplify_try.rs:22:37: 22:50
  25 -             debug t => _9;               // in scope 5 at $SRC_DIR/core/src/convert/mod.rs:LL:COL
  26 +             debug t => ((_0 as Err).0: i32); // in scope 5 at $SRC_DIR/core/src/convert/mod.rs:LL:COL
  27           }
  28           scope 6 (inlined from_error::<u32, i32>) { // at $DIR/simplify_try.rs:22:26: 22:51
  29 -             debug e => _8;               // in scope 6 at $DIR/simplify_try.rs:12:21: 12:22
  30 +             debug e => ((_0 as Err).0: i32); // in scope 6 at $DIR/simplify_try.rs:12:21: 12:22
  31           }
  32       }
  33       scope 3 {
  34 -         debug v => _10;                  // in scope 3 at $DIR/simplify_try.rs:23:12: 23:13
  35 +         debug v => ((_0 as Ok).0: u32);  // in scope 3 at $DIR/simplify_try.rs:23:12: 23:13
  36       }
  37       scope 4 (inlined into_result::<u32, i32>) { // at $DIR/simplify_try.rs:21:19: 21:33
  38 -         debug r => _4;                   // in scope 4 at $DIR/simplify_try.rs:8:22: 8:23
  39 +         debug r => _3;                   // in scope 4 at $DIR/simplify_try.rs:8:22: 8:23
  40       }
  41
  42       bb0: {
  43 -         StorageLive(_2);                 // scope 0 at $DIR/simplify_try.rs:21:9: 21:10
  44 -         StorageLive(_3);                 // scope 0 at $DIR/simplify_try.rs:21:19: 21:33
  45 -         StorageLive(_4);                 // scope 0 at $DIR/simplify_try.rs:21:31: 21:32
  46 -         _4 = _1;                         // scope 0 at $DIR/simplify_try.rs:21:31: 21:32
  47 -         _3 = move _4;                    // scope 4 at $DIR/simplify_try.rs:9:5: 9:6
  48 -         StorageDead(_4);                 // scope 0 at $DIR/simplify_try.rs:21:32: 21:33
  49 +         nop;                             // scope 0 at $DIR/simplify_try.rs:21:9: 21:10
  50 +         nop;                             // scope 0 at $DIR/simplify_try.rs:21:19: 21:33
  51 +         nop;                             // scope 0 at $DIR/simplify_try.rs:21:31: 21:32
  52 +         _3 = _1;                         // scope 0 at $DIR/simplify_try.rs:21:31: 21:32
  53 +         nop;                             // scope 4 at $DIR/simplify_try.rs:9:5: 9:6
  54 +         nop;                             // scope 0 at $DIR/simplify_try.rs:21:32: 21:33
  55           _5 = discriminant(_3);           // scope 0 at $DIR/simplify_try.rs:21:19: 21:33
  56           switchInt(move _5) -> [0_isize: bb1, otherwise: bb2]; // scope 0 at $DIR/simplify_try.rs:21:13: 21:33
  57       }
  58
  59       bb1: {
  60 -         StorageLive(_10);                // scope 0 at $DIR/simplify_try.rs:23:12: 23:13
  61 -         _10 = ((_3 as Ok).0: u32);       // scope 0 at $DIR/simplify_try.rs:23:12: 23:13
  62 -         _2 = _10;                        // scope 3 at $DIR/simplify_try.rs:23:18: 23:19
  63 -         StorageDead(_10);                // scope 0 at $DIR/simplify_try.rs:23:18: 23:19
  64 -         StorageDead(_3);                 // scope 0 at $DIR/simplify_try.rs:24:6: 24:7
  65 -         StorageLive(_11);                // scope 1 at $DIR/simplify_try.rs:25:8: 25:9
  66 -         _11 = _2;                        // scope 1 at $DIR/simplify_try.rs:25:8: 25:9
  67 +         nop;                             // scope 0 at $DIR/simplify_try.rs:23:12: 23:13
  68 +         ((_0 as Ok).0: u32) = ((_3 as Ok).0: u32); // scope 0 at $DIR/simplify_try.rs:23:12: 23:13
  69 +         nop;                             // scope 3 at $DIR/simplify_try.rs:23:18: 23:19
  70 +         nop;                             // scope 0 at $DIR/simplify_try.rs:23:18: 23:19
  71 +         nop;                             // scope 0 at $DIR/simplify_try.rs:24:6: 24:7
  72 +         nop;                             // scope 1 at $DIR/simplify_try.rs:25:8: 25:9
  73 +         nop;                             // scope 1 at $DIR/simplify_try.rs:25:8: 25:9
  74           Deinit(_0);                      // scope 1 at $DIR/simplify_try.rs:25:5: 25:10
  75 -         ((_0 as Ok).0: u32) = move _11;  // scope 1 at $DIR/simplify_try.rs:25:5: 25:10
  76 +         nop;                             // scope 1 at $DIR/simplify_try.rs:25:5: 25:10
  77           discriminant(_0) = 0;            // scope 1 at $DIR/simplify_try.rs:25:5: 25:10
  78 -         StorageDead(_11);                // scope 1 at $DIR/simplify_try.rs:25:9: 25:10
  79 -         StorageDead(_2);                 // scope 0 at $DIR/simplify_try.rs:26:1: 26:2
  80 +         nop;                             // scope 1 at $DIR/simplify_try.rs:25:9: 25:10
  81 +         nop;                             // scope 0 at $DIR/simplify_try.rs:26:1: 26:2
  82           return;                          // scope 0 at $DIR/simplify_try.rs:26:2: 26:2
  83       }
  84
  85       bb2: {
  86 -         StorageLive(_6);                 // scope 0 at $DIR/simplify_try.rs:22:13: 22:14
  87 -         _6 = ((_3 as Err).0: i32);       // scope 0 at $DIR/simplify_try.rs:22:13: 22:14
  88 -         StorageLive(_8);                 // scope 2 at $DIR/simplify_try.rs:22:37: 22:50
  89 -         StorageLive(_9);                 // scope 2 at $DIR/simplify_try.rs:22:48: 22:49
  90 -         _9 = _6;                         // scope 2 at $DIR/simplify_try.rs:22:48: 22:49
  91 -         _8 = move _9;                    // scope 5 at $SRC_DIR/core/src/convert/mod.rs:LL:COL
  92 -         StorageDead(_9);                 // scope 2 at $DIR/simplify_try.rs:22:49: 22:50
  93 -         ((_0 as Err).0: i32) = move _8;  // scope 6 at $DIR/simplify_try.rs:13:9: 13:10
  94 +         nop;                             // scope 0 at $DIR/simplify_try.rs:22:13: 22:14
  95 +         ((_0 as Err).0: i32) = ((_3 as Err).0: i32); // scope 0 at $DIR/simplify_try.rs:22:13: 22:14
  96 +         nop;                             // scope 2 at $DIR/simplify_try.rs:22:37: 22:50
  97 +         nop;                             // scope 2 at $DIR/simplify_try.rs:22:48: 22:49
  98 +         nop;                             // scope 2 at $DIR/simplify_try.rs:22:48: 22:49
  99 +         nop;                             // scope 5 at $SRC_DIR/core/src/convert/mod.rs:LL:COL
 100 +         nop;                             // scope 2 at $DIR/simplify_try.rs:22:49: 22:50
 101 +         nop;                             // scope 6 at $DIR/simplify_try.rs:13:9: 13:10
 102           Deinit(_0);                      // scope 6 at $DIR/simplify_try.rs:13:5: 13:11
 103           discriminant(_0) = 1;            // scope 6 at $DIR/simplify_try.rs:13:5: 13:11
 104 -         StorageDead(_8);                 // scope 2 at $DIR/simplify_try.rs:22:50: 22:51
 105 -         StorageDead(_6);                 // scope 0 at $DIR/simplify_try.rs:22:50: 22:51
 106 -         StorageDead(_3);                 // scope 0 at $DIR/simplify_try.rs:24:6: 24:7
 107 -         StorageDead(_2);                 // scope 0 at $DIR/simplify_try.rs:26:1: 26:2
 108 +         nop;                             // scope 2 at $DIR/simplify_try.rs:22:50: 22:51
 109 +         nop;                             // scope 0 at $DIR/simplify_try.rs:22:50: 22:51
 110 +         nop;                             // scope 0 at $DIR/simplify_try.rs:24:6: 24:7
 111 +         nop;                             // scope 0 at $DIR/simplify_try.rs:26:1: 26:2
 112           return;                          // scope 0 at $DIR/simplify_try.rs:26:2: 26:2
 113       }
 114   }
 115