src/test/mir-opt/const_prop/mutable_variable_no_prop.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/mutable_variable_no_prop.rs:6:11: 6:11
   6       let mut _1: u32;                     // in scope 0 at $DIR/mutable_variable_no_prop.rs:7:9: 7:14
   7       let _2: ();                          // in scope 0 at $DIR/mutable_variable_no_prop.rs:8:5: 10:6
   8       let mut _3: u32;                     // in scope 0 at $DIR/mutable_variable_no_prop.rs:9:13: 9:19
   9       let mut _4: *mut u32;                // in scope 0 at $DIR/mutable_variable_no_prop.rs:9:13: 9:19
  10       scope 1 {
  11           debug x => _1;                   // in scope 1 at $DIR/mutable_variable_no_prop.rs:7:9: 7:14
  12           let _5: u32;                     // in scope 1 at $DIR/mutable_variable_no_prop.rs:11:9: 11:10
  13           scope 2 {
  14           }
  15           scope 3 {
  16               debug y => _5;               // in scope 3 at $DIR/mutable_variable_no_prop.rs:11:9: 11:10
  17           }
  18       }
  19
  20       bb0: {
  21           StorageLive(_1);                 // scope 0 at $DIR/mutable_variable_no_prop.rs:7:9: 7:14
  22           _1 = const 42_u32;               // scope 0 at $DIR/mutable_variable_no_prop.rs:7:17: 7:19
  23           StorageLive(_2);                 // scope 1 at $DIR/mutable_variable_no_prop.rs:8:5: 10:6
  24           StorageLive(_3);                 // scope 2 at $DIR/mutable_variable_no_prop.rs:9:13: 9:19
  25           StorageLive(_4);                 // scope 2 at $DIR/mutable_variable_no_prop.rs:9:13: 9:19
  26           _4 = const {alloc1: *mut u32};   // scope 2 at $DIR/mutable_variable_no_prop.rs:9:13: 9:19
  27                                            // ty::Const
  28                                            // + ty: *mut u32
  29                                            // + val: Value(Scalar(alloc1))
  30                                            // mir::Constant
  31                                            // + span: $DIR/mutable_variable_no_prop.rs:9:13: 9:19
  32                                            // + literal: Const { ty: *mut u32, val: Value(Scalar(alloc1)) }
  33           _3 = (*_4);                      // scope 2 at $DIR/mutable_variable_no_prop.rs:9:13: 9:19
  34           _1 = move _3;                    // scope 2 at $DIR/mutable_variable_no_prop.rs:9:9: 9:19
  35           StorageDead(_3);                 // scope 2 at $DIR/mutable_variable_no_prop.rs:9:18: 9:19
  36           StorageDead(_4);                 // scope 2 at $DIR/mutable_variable_no_prop.rs:9:19: 9:20
  37           nop;                             // scope 2 at $DIR/mutable_variable_no_prop.rs:8:5: 10:6
  38           StorageDead(_2);                 // scope 1 at $DIR/mutable_variable_no_prop.rs:10:5: 10:6
  39           StorageLive(_5);                 // scope 1 at $DIR/mutable_variable_no_prop.rs:11:9: 11:10
  40           _5 = _1;                         // scope 1 at $DIR/mutable_variable_no_prop.rs:11:13: 11:14
  41           nop;                             // scope 0 at $DIR/mutable_variable_no_prop.rs:6:11: 12:2
  42           StorageDead(_5);                 // scope 1 at $DIR/mutable_variable_no_prop.rs:12:1: 12:2
  43           StorageDead(_1);                 // scope 0 at $DIR/mutable_variable_no_prop.rs:12:1: 12:2
  44           return;                          // scope 0 at $DIR/mutable_variable_no_prop.rs:12:2: 12:2
  45       }
  46   }
  47
  48   alloc1 (static: STATIC, size: 4, align: 4) {
  49       2a 00 00 00                                     │ *...
  50   }
  51