src/test/mir-opt/copy_propagation_arg.bar.CopyPropagation.diff

   1 - // MIR for `bar` before CopyPropagation
   2 + // MIR for `bar` after CopyPropagation
   3
   4   fn bar(_1: u8) -> () {
   5       debug x => _1;                       // in scope 0 at $DIR/copy_propagation_arg.rs:15:8: 15:13
   6       let mut _0: ();                      // return place in scope 0 at $DIR/copy_propagation_arg.rs:15:19: 15:19
   7       let _2: u8;                          // in scope 0 at $DIR/copy_propagation_arg.rs:16:5: 16:13
   8       let mut _3: u8;                      // in scope 0 at $DIR/copy_propagation_arg.rs:16:11: 16:12
   9
  10       bb0: {
  11           StorageLive(_2);                 // scope 0 at $DIR/copy_propagation_arg.rs:16:5: 16:13
  12           StorageLive(_3);                 // scope 0 at $DIR/copy_propagation_arg.rs:16:11: 16:12
  13           _3 = _1;                         // scope 0 at $DIR/copy_propagation_arg.rs:16:11: 16:12
  14           _2 = const dummy(move _3) -> bb1; // scope 0 at $DIR/copy_propagation_arg.rs:16:5: 16:13
  15                                            // ty::Const
  16                                            // + ty: fn(u8) -> u8 {dummy}
  17                                            // + val: Value(Scalar(<ZST>))
  18                                            // mir::Constant
  19                                            // + span: $DIR/copy_propagation_arg.rs:16:5: 16:10
  20                                            // + literal: Const { ty: fn(u8) -> u8 {dummy}, val: Value(Scalar(<ZST>)) }
  21       }
  22
  23       bb1: {
  24           StorageDead(_3);                 // scope 0 at $DIR/copy_propagation_arg.rs:16:12: 16:13
  25           StorageDead(_2);                 // scope 0 at $DIR/copy_propagation_arg.rs:16:13: 16:14
  26           _1 = const 5_u8;                 // scope 0 at $DIR/copy_propagation_arg.rs:17:5: 17:10
  27           _0 = const ();                   // scope 0 at $DIR/copy_propagation_arg.rs:15:19: 18:2
  28                                            // ty::Const
  29                                            // + ty: ()
  30                                            // + val: Value(Scalar(<ZST>))
  31                                            // mir::Constant
  32                                            // + span: $DIR/copy_propagation_arg.rs:15:19: 18:2
  33                                            // + literal: Const { ty: (), val: Value(Scalar(<ZST>)) }
  34           return;                          // scope 0 at $DIR/copy_propagation_arg.rs:18:2: 18:2
  35       }
  36   }
  37