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

- // MIR for `try_identity` before DestinationPropagation
+ // MIR for `try_identity` after DestinationPropagation
  
  fn try_identity(_1: Result<u32, i32>) -> Result<u32, i32> {
      debug x => _1;                       // in scope 0 at $DIR/simplify_try.rs:+0:17: +0:18
      let mut _0: std::result::Result<u32, i32>; // return place in scope 0 at $DIR/simplify_try.rs:+0:41: +0:57
      let _2: u32;                         // in scope 0 at $DIR/simplify_try.rs:+1:9: +1:10
      let mut _3: std::result::Result<u32, i32>; // in scope 0 at $DIR/simplify_try.rs:+1:19: +1:33
      let mut _4: std::result::Result<u32, i32>; // in scope 0 at $DIR/simplify_try.rs:+1:31: +1:32
      let mut _5: isize;                   // in scope 0 at $DIR/simplify_try.rs:+2:9: +2:15
      let _6: i32;                         // in scope 0 at $DIR/simplify_try.rs:+2:13: +2:14
      let mut _7: !;                       // in scope 0 at $DIR/simplify_try.rs:+2:19: +2:51
      let mut _8: i32;                     // in scope 0 at $DIR/simplify_try.rs:+2:37: +2:50
      let mut _9: i32;                     // in scope 0 at $DIR/simplify_try.rs:+2:48: +2:49
      let _10: u32;                        // in scope 0 at $DIR/simplify_try.rs:+3:12: +3:13
      let mut _11: u32;                    // in scope 0 at $DIR/simplify_try.rs:+5:8: +5:9
      scope 1 {
-         debug y => _2;                   // in scope 1 at $DIR/simplify_try.rs:+1:9: +1:10
+         debug y => ((_0 as Ok).0: u32);  // in scope 1 at $DIR/simplify_try.rs:+1:9: +1:10
      }
      scope 2 {
          debug e => _6;                   // in scope 2 at $DIR/simplify_try.rs:+2:13: +2:14
          scope 5 (inlined <i32 as From<i32>>::from) { // at $DIR/simplify_try.rs:22:37: 22:50
              debug t => _9;               // in scope 5 at $SRC_DIR/core/src/convert/mod.rs:LL:COL
          }
          scope 6 (inlined from_error::<u32, i32>) { // at $DIR/simplify_try.rs:22:26: 22:51
              debug e => _8;               // in scope 6 at $DIR/simplify_try.rs:12:21: 12:22
          }
      }
      scope 3 {
-         debug v => _10;                  // in scope 3 at $DIR/simplify_try.rs:+3:12: +3:13
+         debug v => ((_0 as Ok).0: u32);  // in scope 3 at $DIR/simplify_try.rs:+3:12: +3:13
      }
      scope 4 (inlined into_result::<u32, i32>) { // at $DIR/simplify_try.rs:21:19: 21:33
-         debug r => _4;                   // in scope 4 at $DIR/simplify_try.rs:8:22: 8:23
+         debug r => _3;                   // in scope 4 at $DIR/simplify_try.rs:8:22: 8:23
      }
  
      bb0: {
-         StorageLive(_2);                 // scope 0 at $DIR/simplify_try.rs:+1:9: +1:10
-         StorageLive(_3);                 // scope 0 at $DIR/simplify_try.rs:+1:19: +1:33
-         StorageLive(_4);                 // scope 0 at $DIR/simplify_try.rs:+1:31: +1:32
-         _4 = _1;                         // scope 0 at $DIR/simplify_try.rs:+1:31: +1:32
-         _3 = move _4;                    // scope 4 at $DIR/simplify_try.rs:9:5: 9:6
-         StorageDead(_4);                 // scope 0 at $DIR/simplify_try.rs:+1:32: +1:33
+         nop;                             // scope 0 at $DIR/simplify_try.rs:+1:9: +1:10
+         nop;                             // scope 0 at $DIR/simplify_try.rs:+1:19: +1:33
+         nop;                             // scope 0 at $DIR/simplify_try.rs:+1:31: +1:32
+         _3 = _1;                         // scope 0 at $DIR/simplify_try.rs:+1:31: +1:32
+         nop;                             // scope 4 at $DIR/simplify_try.rs:9:5: 9:6
+         nop;                             // scope 0 at $DIR/simplify_try.rs:+1:32: +1:33
          _5 = discriminant(_3);           // scope 0 at $DIR/simplify_try.rs:+1:19: +1:33
          switchInt(move _5) -> [0_isize: bb1, 1_isize: bb3, otherwise: bb2]; // scope 0 at $DIR/simplify_try.rs:+1:13: +1:33
      }
  
      bb1: {
-         StorageLive(_10);                // scope 0 at $DIR/simplify_try.rs:+3:12: +3:13
-         _10 = ((_3 as Ok).0: u32);       // scope 0 at $DIR/simplify_try.rs:+3:12: +3:13
-         _2 = _10;                        // scope 3 at $DIR/simplify_try.rs:+3:18: +3:19
-         StorageDead(_10);                // scope 0 at $DIR/simplify_try.rs:+3:18: +3:19
-         StorageDead(_3);                 // scope 0 at $DIR/simplify_try.rs:+4:6: +4:7
-         StorageLive(_11);                // scope 1 at $DIR/simplify_try.rs:+5:8: +5:9
-         _11 = _2;                        // scope 1 at $DIR/simplify_try.rs:+5:8: +5:9
+         nop;                             // scope 0 at $DIR/simplify_try.rs:+3:12: +3:13
+         ((_0 as Ok).0: u32) = ((_3 as Ok).0: u32); // scope 0 at $DIR/simplify_try.rs:+3:12: +3:13
+         nop;                             // scope 3 at $DIR/simplify_try.rs:+3:18: +3:19
+         nop;                             // scope 0 at $DIR/simplify_try.rs:+3:18: +3:19
+         nop;                             // scope 0 at $DIR/simplify_try.rs:+4:6: +4:7
+         nop;                             // scope 1 at $DIR/simplify_try.rs:+5:8: +5:9
+         nop;                             // scope 1 at $DIR/simplify_try.rs:+5:8: +5:9
          Deinit(_0);                      // scope 1 at $DIR/simplify_try.rs:+5:5: +5:10
-         ((_0 as Ok).0: u32) = move _11;  // scope 1 at $DIR/simplify_try.rs:+5:5: +5:10
+         nop;                             // scope 1 at $DIR/simplify_try.rs:+5:5: +5:10
          discriminant(_0) = 0;            // scope 1 at $DIR/simplify_try.rs:+5:5: +5:10
-         StorageDead(_11);                // scope 1 at $DIR/simplify_try.rs:+5:9: +5:10
-         StorageDead(_2);                 // scope 0 at $DIR/simplify_try.rs:+6:1: +6:2
+         nop;                             // scope 1 at $DIR/simplify_try.rs:+5:9: +5:10
+         nop;                             // scope 0 at $DIR/simplify_try.rs:+6:1: +6:2
          return;                          // scope 0 at $DIR/simplify_try.rs:+6:2: +6:2
      }
  
      bb2: {
          unreachable;                     // scope 0 at $DIR/simplify_try.rs:+1:19: +1:33
      }
  
      bb3: {
          StorageLive(_6);                 // scope 0 at $DIR/simplify_try.rs:+2:13: +2:14
          nop;                             // scope 0 at $DIR/simplify_try.rs:+2:13: +2:14
          StorageLive(_8);                 // scope 2 at $DIR/simplify_try.rs:+2:37: +2:50
          StorageLive(_9);                 // scope 2 at $DIR/simplify_try.rs:+2:48: +2:49
          nop;                             // scope 2 at $DIR/simplify_try.rs:+2:48: +2:49
          nop;                             // scope 5 at $SRC_DIR/core/src/convert/mod.rs:LL:COL
          StorageDead(_9);                 // scope 2 at $DIR/simplify_try.rs:+2:49: +2:50
          nop;                             // scope 6 at $DIR/simplify_try.rs:13:9: 13:10
          Deinit(_0);                      // scope 6 at $DIR/simplify_try.rs:13:5: 13:11
          discriminant(_0) = 1;            // scope 6 at $DIR/simplify_try.rs:13:5: 13:11
          StorageDead(_8);                 // scope 2 at $DIR/simplify_try.rs:+2:50: +2:51
          StorageDead(_6);                 // scope 0 at $DIR/simplify_try.rs:+2:50: +2:51
-         StorageDead(_3);                 // scope 0 at $DIR/simplify_try.rs:+4:6: +4:7
-         StorageDead(_2);                 // scope 0 at $DIR/simplify_try.rs:+6:1: +6:2
+         nop;                             // scope 0 at $DIR/simplify_try.rs:+4:6: +4:7
+         nop;                             // scope 0 at $DIR/simplify_try.rs:+6:1: +6:2
          return;                          // scope 0 at $DIR/simplify_try.rs:+6:2: +6:2
      }
  }