src/test/mir-opt/const_prop/mutable_variable_aggregate_partial_read/rustc.main.ConstProp.diff

   1 - // MIR for `main` before ConstProp
   2 + // MIR for `main` after ConstProp
   3
   4   fn main() -> () {
   5       let mut _0: ();                      // return place in scope 0 at $DIR/mutable_variable_aggregate_partial_read.rs:4:11: 4:11
   6       let mut _1: (i32, i32);              // in scope 0 at $DIR/mutable_variable_aggregate_partial_read.rs:5:9: 5:14
   7       scope 1 {
   8           debug x => _1;                   // in scope 1 at $DIR/mutable_variable_aggregate_partial_read.rs:5:9: 5:14
   9           let _2: i32;                     // in scope 1 at $DIR/mutable_variable_aggregate_partial_read.rs:8:9: 8:10
  10           scope 2 {
  11               debug y => _2;               // in scope 2 at $DIR/mutable_variable_aggregate_partial_read.rs:8:9: 8:10
  12           }
  13       }
  14
  15       bb0: {
  16           StorageLive(_1);                 // scope 0 at $DIR/mutable_variable_aggregate_partial_read.rs:5:9: 5:14
  17           _1 = const foo() -> bb1;         // scope 0 at $DIR/mutable_variable_aggregate_partial_read.rs:5:29: 5:34
  18                                            // ty::Const
  19                                            // + ty: fn() -> (i32, i32) {foo}
  20                                            // + val: Value(Scalar(<ZST>))
  21                                            // mir::Constant
  22                                            // + span: $DIR/mutable_variable_aggregate_partial_read.rs:5:29: 5:32
  23                                            // + literal: Const { ty: fn() -> (i32, i32) {foo}, val: Value(Scalar(<ZST>)) }
  24       }
  25
  26       bb1: {
  27           (_1.1: i32) = const 99_i32;      // scope 1 at $DIR/mutable_variable_aggregate_partial_read.rs:6:5: 6:13
  28                                            // ty::Const
  29                                            // + ty: i32
  30                                            // + val: Value(Scalar(0x00000063))
  31                                            // mir::Constant
  32                                            // + span: $DIR/mutable_variable_aggregate_partial_read.rs:6:11: 6:13
  33                                            // + literal: Const { ty: i32, val: Value(Scalar(0x00000063)) }
  34           (_1.0: i32) = const 42_i32;      // scope 1 at $DIR/mutable_variable_aggregate_partial_read.rs:7:5: 7:13
  35                                            // ty::Const
  36                                            // + ty: i32
  37                                            // + val: Value(Scalar(0x0000002a))
  38                                            // mir::Constant
  39                                            // + span: $DIR/mutable_variable_aggregate_partial_read.rs:7:11: 7:13
  40                                            // + literal: Const { ty: i32, val: Value(Scalar(0x0000002a)) }
  41           StorageLive(_2);                 // scope 1 at $DIR/mutable_variable_aggregate_partial_read.rs:8:9: 8:10
  42 -         _2 = (_1.1: i32);                // scope 1 at $DIR/mutable_variable_aggregate_partial_read.rs:8:13: 8:16
  43 +         _2 = const 99_i32;               // scope 1 at $DIR/mutable_variable_aggregate_partial_read.rs:8:13: 8:16
  44 +                                          // ty::Const
  45 +                                          // + ty: i32
  46 +                                          // + val: Value(Scalar(0x00000063))
  47 +                                          // mir::Constant
  48 +                                          // + span: $DIR/mutable_variable_aggregate_partial_read.rs:8:13: 8:16
  49 +                                          // + literal: Const { ty: i32, val: Value(Scalar(0x00000063)) }
  50           _0 = const ();                   // scope 0 at $DIR/mutable_variable_aggregate_partial_read.rs:4:11: 9:2
  51                                            // ty::Const
  52                                            // + ty: ()
  53                                            // + val: Value(Scalar(<ZST>))
  54                                            // mir::Constant
  55                                            // + span: $DIR/mutable_variable_aggregate_partial_read.rs:4:11: 9:2
  56                                            // + literal: Const { ty: (), val: Value(Scalar(<ZST>)) }
  57           StorageDead(_2);                 // scope 1 at $DIR/mutable_variable_aggregate_partial_read.rs:9:1: 9:2
  58           StorageDead(_1);                 // scope 0 at $DIR/mutable_variable_aggregate_partial_read.rs:9:1: 9:2
  59           return;                          // scope 0 at $DIR/mutable_variable_aggregate_partial_read.rs:9:2: 9:2
  60       }
  61   }
  62