copy_propagation_arg.foo.DestinationPropagation.diff

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