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[rust.git] / src / test / mir-opt / const_prop / ref_deref.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/ref_deref.rs:4:11: 4:11
6       let _1: i32;                         // in scope 0 at $DIR/ref_deref.rs:5:5: 5:10
7       let mut _2: &i32;                    // in scope 0 at $DIR/ref_deref.rs:5:6: 5:10
8       let _3: i32;                         // in scope 0 at $DIR/ref_deref.rs:5:8: 5:9
9       let mut _4: &i32;                    // in scope 0 at $DIR/ref_deref.rs:5:6: 5:10
10   
11       bb0: {
12           StorageLive(_1);                 // scope 0 at $DIR/ref_deref.rs:5:5: 5:10
13           StorageLive(_2);                 // scope 0 at $DIR/ref_deref.rs:5:6: 5:10
14           _4 = const main::promoted[0];    // scope 0 at $DIR/ref_deref.rs:5:6: 5:10
15                                            // ty::Const
16                                            // + ty: &i32
17                                            // + val: Unevaluated(WithOptConstParam { did: DefId(0:3 ~ ref_deref[317d]::main[0]), const_param_did: None }, [], Some(promoted[0]))
18                                            // mir::Constant
19                                            // + span: $DIR/ref_deref.rs:5:6: 5:10
20                                            // + literal: Const { ty: &i32, val: Unevaluated(WithOptConstParam { did: DefId(0:3 ~ ref_deref[317d]::main[0]), const_param_did: None }, [], Some(promoted[0])) }
21           _2 = _4;                         // scope 0 at $DIR/ref_deref.rs:5:6: 5:10
22 -         _1 = (*_2);                      // scope 0 at $DIR/ref_deref.rs:5:5: 5:10
23 +         _1 = const 4_i32;                // scope 0 at $DIR/ref_deref.rs:5:5: 5:10
24           StorageDead(_2);                 // scope 0 at $DIR/ref_deref.rs:5:10: 5:11
25           StorageDead(_1);                 // scope 0 at $DIR/ref_deref.rs:5:10: 5:11
26           _0 = const ();                   // scope 0 at $DIR/ref_deref.rs:4:11: 6:2
27                                            // ty::Const
28                                            // + ty: ()
29                                            // + val: Value(Scalar(<ZST>))
30                                            // mir::Constant
31                                            // + span: $DIR/ref_deref.rs:4:11: 6:2
32                                            // + literal: Const { ty: (), val: Value(Scalar(<ZST>)) }
33           return;                          // scope 0 at $DIR/ref_deref.rs:6:2: 6:2
34       }
35   }
36