src/test/mir-opt/const_prop_miscompile.bar.ConstProp.diff

   1 - // MIR for `bar` before ConstProp
   2 + // MIR for `bar` after ConstProp
   3
   4   fn bar() -> () {
   5       let mut _0: ();                      // return place in scope 0 at $DIR/const_prop_miscompile.rs:11:10: 11:10
   6       let mut _1: (i32,);                  // in scope 0 at $DIR/const_prop_miscompile.rs:12:9: 12:14
   7       let _2: ();                          // in scope 0 at $DIR/const_prop_miscompile.rs:13:5: 15:6
   8       let mut _3: *mut i32;                // in scope 0 at $DIR/const_prop_miscompile.rs:14:10: 14:22
   9       let mut _5: i32;                     // in scope 0 at $DIR/const_prop_miscompile.rs:16:13: 16:20
  10       scope 1 {
  11           debug v => _1;                   // in scope 1 at $DIR/const_prop_miscompile.rs:12:9: 12:14
  12           let _4: bool;                    // in scope 1 at $DIR/const_prop_miscompile.rs:16:9: 16:10
  13           scope 2 {
  14           }
  15           scope 3 {
  16               debug y => _4;               // in scope 3 at $DIR/const_prop_miscompile.rs:16:9: 16:10
  17           }
  18       }
  19
  20       bb0: {
  21           StorageLive(_1);                 // scope 0 at $DIR/const_prop_miscompile.rs:12:9: 12:14
  22           (_1.0: i32) = const 1_i32;       // scope 0 at $DIR/const_prop_miscompile.rs:12:17: 12:21
  23                                            // ty::Const
  24                                            // + ty: i32
  25                                            // + val: Value(Scalar(0x00000001))
  26                                            // mir::Constant
  27                                            // + span: $DIR/const_prop_miscompile.rs:12:18: 12:19
  28                                            // + literal: Const { ty: i32, val: Value(Scalar(0x00000001)) }
  29           StorageLive(_2);                 // scope 1 at $DIR/const_prop_miscompile.rs:13:5: 15:6
  30           StorageLive(_3);                 // scope 2 at $DIR/const_prop_miscompile.rs:14:10: 14:22
  31           _3 = &raw mut (_1.0: i32);       // scope 2 at $DIR/const_prop_miscompile.rs:14:10: 14:22
  32           (*_3) = const 5_i32;             // scope 2 at $DIR/const_prop_miscompile.rs:14:9: 14:26
  33                                            // ty::Const
  34                                            // + ty: i32
  35                                            // + val: Value(Scalar(0x00000005))
  36                                            // mir::Constant
  37                                            // + span: $DIR/const_prop_miscompile.rs:14:25: 14:26
  38                                            // + literal: Const { ty: i32, val: Value(Scalar(0x00000005)) }
  39           StorageDead(_3);                 // scope 2 at $DIR/const_prop_miscompile.rs:14:26: 14:27
  40           _2 = const ();                   // scope 2 at $DIR/const_prop_miscompile.rs:13:5: 15:6
  41                                            // ty::Const
  42                                            // + ty: ()
  43                                            // + val: Value(Scalar(<ZST>))
  44                                            // mir::Constant
  45                                            // + span: $DIR/const_prop_miscompile.rs:13:5: 15:6
  46                                            // + literal: Const { ty: (), val: Value(Scalar(<ZST>)) }
  47           StorageDead(_2);                 // scope 1 at $DIR/const_prop_miscompile.rs:15:5: 15:6
  48           StorageLive(_4);                 // scope 1 at $DIR/const_prop_miscompile.rs:16:9: 16:10
  49           StorageLive(_5);                 // scope 1 at $DIR/const_prop_miscompile.rs:16:13: 16:20
  50           _5 = (_1.0: i32);                // scope 1 at $DIR/const_prop_miscompile.rs:16:15: 16:18
  51           _4 = Eq(move _5, const 5_i32);   // scope 1 at $DIR/const_prop_miscompile.rs:16:13: 16:25
  52                                            // ty::Const
  53                                            // + ty: i32
  54                                            // + val: Value(Scalar(0x00000005))
  55                                            // mir::Constant
  56                                            // + span: $DIR/const_prop_miscompile.rs:16:24: 16:25
  57                                            // + literal: Const { ty: i32, val: Value(Scalar(0x00000005)) }
  58           StorageDead(_5);                 // scope 1 at $DIR/const_prop_miscompile.rs:16:24: 16:25
  59           _0 = const ();                   // scope 0 at $DIR/const_prop_miscompile.rs:11:10: 17:2
  60                                            // ty::Const
  61                                            // + ty: ()
  62                                            // + val: Value(Scalar(<ZST>))
  63                                            // mir::Constant
  64                                            // + span: $DIR/const_prop_miscompile.rs:11:10: 17:2
  65                                            // + literal: Const { ty: (), val: Value(Scalar(<ZST>)) }
  66           StorageDead(_4);                 // scope 1 at $DIR/const_prop_miscompile.rs:17:1: 17:2
  67           StorageDead(_1);                 // scope 0 at $DIR/const_prop_miscompile.rs:17:1: 17:2
  68           return;                          // scope 0 at $DIR/const_prop_miscompile.rs:17:2: 17:2
  69       }
  70   }
  71