src/test/mir-opt/issue_78192.f.InstCombine.diff

   1 - // MIR for `f` before InstCombine
   2 + // MIR for `f` after InstCombine
   3
   4   fn f(_1: &T) -> *const T {
   5       debug a => _1;                       // in scope 0 at $DIR/issue-78192.rs:+0:13: +0:14
   6       let mut _0: *const T;                // return place in scope 0 at $DIR/issue-78192.rs:+0:23: +0:31
   7       let _2: &*const T;                   // in scope 0 at $DIR/issue-78192.rs:+1:9: +1:10
   8       let _3: &*const T;                   // in scope 0 at $DIR/issue-78192.rs:+1:24: +1:40
   9       let _4: *const T;                    // in scope 0 at $DIR/issue-78192.rs:+1:25: +1:40
  10       scope 1 {
  11           debug b => _2;                   // in scope 1 at $DIR/issue-78192.rs:+1:9: +1:10
  12       }
  13
  14       bb0: {
  15           StorageLive(_2);                 // scope 0 at $DIR/issue-78192.rs:+1:9: +1:10
  16           StorageLive(_3);                 // scope 0 at $DIR/issue-78192.rs:+1:24: +1:40
  17           StorageLive(_4);                 // scope 0 at $DIR/issue-78192.rs:+1:25: +1:40
  18           _4 = &raw const (*_1);           // scope 0 at $DIR/issue-78192.rs:+1:26: +1:27
  19           _3 = &_4;                        // scope 0 at $DIR/issue-78192.rs:+1:24: +1:40
  20 -         _2 = &(*_3);                     // scope 0 at $DIR/issue-78192.rs:+1:24: +1:40
  21 +         _2 = _3;                         // scope 0 at $DIR/issue-78192.rs:+1:24: +1:40
  22           StorageDead(_3);                 // scope 0 at $DIR/issue-78192.rs:+1:40: +1:41
  23           _0 = (*_2);                      // scope 1 at $DIR/issue-78192.rs:+2:5: +2:7
  24           StorageDead(_4);                 // scope 0 at $DIR/issue-78192.rs:+3:1: +3:2
  25           StorageDead(_2);                 // scope 0 at $DIR/issue-78192.rs:+3:1: +3:2
  26           return;                          // scope 0 at $DIR/issue-78192.rs:+3:2: +3:2
  27       }
  28   }
  29