tests/mir-opt/dest-prop/copy_propagation_arg.arg_src.DestinationPropagation.diff

   1 - // MIR for `arg_src` before DestinationPropagation
   2 + // MIR for `arg_src` after DestinationPropagation
   3
   4   fn arg_src(_1: i32) -> i32 {
   5       debug x => _1;                       // in scope 0 at $DIR/copy_propagation_arg.rs:+0:12: +0:17
   6       let mut _0: i32;                     // return place in scope 0 at $DIR/copy_propagation_arg.rs:+0:27: +0:30
   7       let _2: i32;                         // in scope 0 at $DIR/copy_propagation_arg.rs:+1:9: +1:10
   8       scope 1 {
   9 -         debug y => _2;                   // in scope 1 at $DIR/copy_propagation_arg.rs:+1:9: +1:10
  10 +         debug y => _0;                   // in scope 1 at $DIR/copy_propagation_arg.rs:+1:9: +1:10
  11       }
  12
  13       bb0: {
  14 -         StorageLive(_2);                 // scope 0 at $DIR/copy_propagation_arg.rs:+1:9: +1:10
  15 -         _2 = _1;                         // scope 0 at $DIR/copy_propagation_arg.rs:+1:13: +1:14
  16 +         nop;                             // scope 0 at $DIR/copy_propagation_arg.rs:+1:9: +1:10
  17 +         _0 = _1;                         // scope 0 at $DIR/copy_propagation_arg.rs:+1:13: +1:14
  18           _1 = const 123_i32;              // scope 1 at $DIR/copy_propagation_arg.rs:+2:5: +2:12
  19 -         _0 = _2;                         // scope 1 at $DIR/copy_propagation_arg.rs:+3:5: +3:6
  20 -         StorageDead(_2);                 // scope 0 at $DIR/copy_propagation_arg.rs:+4:1: +4:2
  21 +         nop;                             // scope 1 at $DIR/copy_propagation_arg.rs:+3:5: +3:6
  22 +         nop;                             // scope 0 at $DIR/copy_propagation_arg.rs:+4:1: +4:2
  23           return;                          // scope 0 at $DIR/copy_propagation_arg.rs:+4:2: +4:2
  24       }
  25   }
  26