src/test/mir-opt/const_prop/ref_deref_project.main.PromoteTemps.diff

   1 - // MIR for `main` before PromoteTemps
   2 + // MIR for `main` after PromoteTemps
   3
   4   fn main() -> () {
   5       let mut _0: ();                      // return place in scope 0 at $DIR/ref_deref_project.rs:4:11: 4:11
   6       let _1: i32;                         // in scope 0 at $DIR/ref_deref_project.rs:5:5: 5:17
   7       let mut _2: &i32;                    // in scope 0 at $DIR/ref_deref_project.rs:5:6: 5:17
   8       let _3: (i32, i32);                  // in scope 0 at $DIR/ref_deref_project.rs:5:8: 5:14
   9 +     let mut _4: &(i32, i32);             // in scope 0 at $DIR/ref_deref_project.rs:5:6: 5:17
  10
  11       bb0: {
  12           StorageLive(_1);                 // scope 0 at $DIR/ref_deref_project.rs:5:5: 5:17
  13           StorageLive(_2);                 // scope 0 at $DIR/ref_deref_project.rs:5:6: 5:17
  14 -         StorageLive(_3);                 // scope 0 at $DIR/ref_deref_project.rs:5:8: 5:14
  15 -         _3 = (const 4_i32, const 5_i32); // scope 0 at $DIR/ref_deref_project.rs:5:8: 5:14
  16 -         _2 = &(_3.1: i32);               // scope 0 at $DIR/ref_deref_project.rs:5:6: 5:17
  17 +         _4 = const main::promoted[0];    // scope 0 at $DIR/ref_deref_project.rs:5:6: 5:17
  18 +                                          // ty::Const
  19 +                                          // + ty: &(i32, i32)
  20 +                                          // + val: Unevaluated(WithOptConstParam { did: DefId(0:3 ~ ref_deref_project[317d]::main), const_param_did: None }, [], Some(promoted[0]))
  21 +                                          // mir::Constant
  22 +                                          // + span: $DIR/ref_deref_project.rs:5:6: 5:17
  23 +                                          // + literal: Const { ty: &(i32, i32), val: Unevaluated(WithOptConstParam { did: DefId(0:3 ~ ref_deref_project[317d]::main), const_param_did: None }, [], Some(promoted[0])) }
  24 +         _2 = &((*_4).1: i32);            // scope 0 at $DIR/ref_deref_project.rs:5:6: 5:17
  25           _1 = (*_2);                      // scope 0 at $DIR/ref_deref_project.rs:5:5: 5:17
  26 -         StorageDead(_3);                 // scope 0 at $DIR/ref_deref_project.rs:5:17: 5:18
  27           StorageDead(_2);                 // scope 0 at $DIR/ref_deref_project.rs:5:17: 5:18
  28           StorageDead(_1);                 // scope 0 at $DIR/ref_deref_project.rs:5:17: 5:18
  29           _0 = const ();                   // scope 0 at $DIR/ref_deref_project.rs:4:11: 6:2
  30           return;                          // scope 0 at $DIR/ref_deref_project.rs:6:2: 6:2
  31       }
  32   }
  33