src/test/mir-opt/const_prop/scalar_literal_propagation.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/scalar_literal_propagation.rs:2:11: 2:11
   6       let _1: u32;                         // in scope 0 at $DIR/scalar_literal_propagation.rs:3:9: 3:10
   7       let _2: ();                          // in scope 0 at $DIR/scalar_literal_propagation.rs:4:5: 4:15
   8       let mut _3: u32;                     // in scope 0 at $DIR/scalar_literal_propagation.rs:4:13: 4:14
   9       scope 1 {
  10           debug x => _1;                   // in scope 1 at $DIR/scalar_literal_propagation.rs:3:9: 3:10
  11       }
  12
  13       bb0: {
  14           StorageLive(_1);                 // scope 0 at $DIR/scalar_literal_propagation.rs:3:9: 3:10
  15           _1 = const 1_u32;                // scope 0 at $DIR/scalar_literal_propagation.rs:3:13: 3:14
  16           StorageLive(_2);                 // scope 1 at $DIR/scalar_literal_propagation.rs:4:5: 4:15
  17           StorageLive(_3);                 // scope 1 at $DIR/scalar_literal_propagation.rs:4:13: 4:14
  18 -         _3 = _1;                         // scope 1 at $DIR/scalar_literal_propagation.rs:4:13: 4:14
  19 -         _2 = consume(move _3) -> bb1;    // scope 1 at $DIR/scalar_literal_propagation.rs:4:5: 4:15
  20 +         _3 = const 1_u32;                // scope 1 at $DIR/scalar_literal_propagation.rs:4:13: 4:14
  21 +         _2 = consume(const 1_u32) -> bb1; // scope 1 at $DIR/scalar_literal_propagation.rs:4:5: 4:15
  22                                            // mir::Constant
  23                                            // + span: $DIR/scalar_literal_propagation.rs:4:5: 4:12
  24                                            // + literal: Const { ty: fn(u32) {consume}, val: Value(Scalar(<ZST>)) }
  25       }
  26
  27       bb1: {
  28           StorageDead(_3);                 // scope 1 at $DIR/scalar_literal_propagation.rs:4:14: 4:15
  29           StorageDead(_2);                 // scope 1 at $DIR/scalar_literal_propagation.rs:4:15: 4:16
  30           nop;                             // scope 0 at $DIR/scalar_literal_propagation.rs:2:11: 5:2
  31           StorageDead(_1);                 // scope 0 at $DIR/scalar_literal_propagation.rs:5:1: 5:2
  32           return;                          // scope 0 at $DIR/scalar_literal_propagation.rs:5:2: 5:2
  33       }
  34   }
  35