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:20:17: 20:18
      let mut _0: std::result::Result<u32, i32>; // return place in scope 0 at $DIR/simplify_try.rs:20:41: 20:57
      let _2: u32;                         // in scope 0 at $DIR/simplify_try.rs:21:9: 21:10
      let mut _3: std::result::Result<u32, i32>; // in scope 0 at $DIR/simplify_try.rs:21:19: 21:33
      let mut _4: std::result::Result<u32, i32>; // in scope 0 at $DIR/simplify_try.rs:21:31: 21:32
      let mut _5: isize;                   // in scope 0 at $DIR/simplify_try.rs:22:9: 22:15
      let _6: i32;                         // in scope 0 at $DIR/simplify_try.rs:22:13: 22:14
      let mut _7: !;                       // in scope 0 at $DIR/simplify_try.rs:22:19: 22:51
      let mut _8: i32;                     // in scope 0 at $DIR/simplify_try.rs:22:37: 22:50
      let mut _9: i32;                     // in scope 0 at $DIR/simplify_try.rs:22:48: 22:49
      let _10: u32;                        // in scope 0 at $DIR/simplify_try.rs:23:12: 23:13
      let mut _11: u32;                    // in scope 0 at $DIR/simplify_try.rs:25:8: 25:9
      scope 1 {
          debug y => ((_0 as Ok).0: u32);  // in scope 1 at $DIR/simplify_try.rs:21:9: 21:10
      }
      scope 2 {
          debug e => ((_0 as Err).0: i32); // in scope 2 at $DIR/simplify_try.rs:22:13: 22:14
          scope 5 (inlined <i32 as From<i32>>::from) { // at $DIR/simplify_try.rs:22:37: 22:50
              debug t => ((_0 as Err).0: i32); // in scope 5 at $DIR/simplify_try.rs:22:37: 22:50
          }
          scope 6 (inlined from_error::<u32, i32>) { // at $DIR/simplify_try.rs:22:26: 22:51
              debug e => ((_0 as Err).0: i32); // in scope 6 at $DIR/simplify_try.rs:22:26: 22:51
          }
      }
      scope 3 {
          debug v => ((_0 as Ok).0: u32);  // in scope 3 at $DIR/simplify_try.rs:23:12: 23:13
      }
      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:21:19: 21:33
+         debug r => _0;                   // in scope 4 at $DIR/simplify_try.rs:21:19: 21:33
      }
  
      bb0: {
          StorageLive(_2);                 // scope 0 at $DIR/simplify_try.rs:21:9: 21:10
-         StorageLive(_3);                 // scope 0 at $DIR/simplify_try.rs:21:19: 21:33
-         StorageLive(_4);                 // scope 0 at $DIR/simplify_try.rs:21:31: 21:32
-         _4 = _1;                         // scope 0 at $DIR/simplify_try.rs:21:31: 21:32
-         _3 = move _4;                    // scope 4 at $DIR/simplify_try.rs:21:19: 21:33
-         StorageDead(_4);                 // scope 0 at $DIR/simplify_try.rs:21:32: 21:33
-         _5 = discriminant(_3);           // scope 0 at $DIR/simplify_try.rs:22:9: 22:15
+         nop;                             // scope 0 at $DIR/simplify_try.rs:21:19: 21:33
+         nop;                             // scope 0 at $DIR/simplify_try.rs:21:31: 21:32
+         _0 = _1;                         // scope 0 at $DIR/simplify_try.rs:21:31: 21:32
+         nop;                             // scope 4 at $DIR/simplify_try.rs:21:19: 21:33
+         nop;                             // scope 0 at $DIR/simplify_try.rs:21:32: 21:33
+         _5 = discriminant(_0);           // scope 0 at $DIR/simplify_try.rs:22:9: 22:15
          goto -> bb1;                     // scope 0 at $DIR/simplify_try.rs:22:9: 22:15
      }
  
      bb1: {
-         _0 = move _3;                    // scope 1 at $DIR/simplify_try.rs:25:5: 25:10
-         StorageDead(_3);                 // scope 0 at $DIR/simplify_try.rs:24:6: 24:7
+         nop;                             // scope 1 at $DIR/simplify_try.rs:25:5: 25:10
+         nop;                             // scope 0 at $DIR/simplify_try.rs:24:6: 24:7
          StorageDead(_2);                 // scope 0 at $DIR/simplify_try.rs:26:1: 26:2
          return;                          // scope 0 at $DIR/simplify_try.rs:26:2: 26:2
      }
  }