src/test/mir-opt/const_prop/const_prop_fails_gracefully.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/const_prop_fails_gracefully.rs:5:11: 5:11
   6       let _1: usize;                       // in scope 0 at $DIR/const_prop_fails_gracefully.rs:7:9: 7:10
   7       let mut _2: *const i32;              // in scope 0 at $DIR/const_prop_fails_gracefully.rs:7:13: 7:30
   8       let _3: &i32;                        // in scope 0 at $DIR/const_prop_fails_gracefully.rs:7:13: 7:16
   9       let _4: ();                          // in scope 0 at $DIR/const_prop_fails_gracefully.rs:8:5: 8:12
  10       let mut _5: usize;                   // in scope 0 at $DIR/const_prop_fails_gracefully.rs:8:10: 8:11
  11       scope 1 {
  12           debug x => _1;                   // in scope 1 at $DIR/const_prop_fails_gracefully.rs:7:9: 7:10
  13       }
  14
  15       bb0: {
  16           StorageLive(_1);                 // scope 0 at $DIR/const_prop_fails_gracefully.rs:7:9: 7:10
  17           StorageLive(_2);                 // scope 0 at $DIR/const_prop_fails_gracefully.rs:7:13: 7:30
  18           StorageLive(_3);                 // scope 0 at $DIR/const_prop_fails_gracefully.rs:7:13: 7:16
  19           _3 = const FOO;                  // scope 0 at $DIR/const_prop_fails_gracefully.rs:7:13: 7:16
  20                                            // ty::Const
  21                                            // + ty: &i32
  22                                            // + val: Unevaluated(WithOptConstParam { did: DefId(0:5 ~ const_prop_fails_gracefully[317d]::main::FOO), const_param_did: None }, [], None)
  23                                            // mir::Constant
  24                                            // + span: $DIR/const_prop_fails_gracefully.rs:7:13: 7:16
  25                                            // + literal: Const { ty: &i32, val: Unevaluated(WithOptConstParam { did: DefId(0:5 ~ const_prop_fails_gracefully[317d]::main::FOO), const_param_did: None }, [], None) }
  26           _2 = &raw const (*_3);           // scope 0 at $DIR/const_prop_fails_gracefully.rs:7:13: 7:16
  27           _1 = move _2 as usize (Misc);    // scope 0 at $DIR/const_prop_fails_gracefully.rs:7:13: 7:39
  28           StorageDead(_2);                 // scope 0 at $DIR/const_prop_fails_gracefully.rs:7:38: 7:39
  29           StorageDead(_3);                 // scope 0 at $DIR/const_prop_fails_gracefully.rs:7:39: 7:40
  30           StorageLive(_4);                 // scope 1 at $DIR/const_prop_fails_gracefully.rs:8:5: 8:12
  31           StorageLive(_5);                 // scope 1 at $DIR/const_prop_fails_gracefully.rs:8:10: 8:11
  32           _5 = _1;                         // scope 1 at $DIR/const_prop_fails_gracefully.rs:8:10: 8:11
  33           _4 = read(move _5) -> bb1;       // scope 1 at $DIR/const_prop_fails_gracefully.rs:8:5: 8:12
  34                                            // mir::Constant
  35                                            // + span: $DIR/const_prop_fails_gracefully.rs:8:5: 8:9
  36                                            // + literal: Const { ty: fn(usize) {read}, val: Value(Scalar(<ZST>)) }
  37       }
  38
  39       bb1: {
  40           StorageDead(_5);                 // scope 1 at $DIR/const_prop_fails_gracefully.rs:8:11: 8:12
  41           StorageDead(_4);                 // scope 1 at $DIR/const_prop_fails_gracefully.rs:8:12: 8:13
  42           _0 = const ();                   // scope 0 at $DIR/const_prop_fails_gracefully.rs:5:11: 9:2
  43           StorageDead(_1);                 // scope 0 at $DIR/const_prop_fails_gracefully.rs:9:1: 9:2
  44           return;                          // scope 0 at $DIR/const_prop_fails_gracefully.rs:9:2: 9:2
  45       }
  46   }
  47