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

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