src/test/mir-opt/const_prop/mutable_variable_unprop_assign.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_unprop_assign.rs:4:11: 4:11
   6       let _1: i32;                         // in scope 0 at $DIR/mutable_variable_unprop_assign.rs:5:9: 5:10
   7       let mut _3: i32;                     // in scope 0 at $DIR/mutable_variable_unprop_assign.rs:7:11: 7:12
   8       scope 1 {
   9           debug a => _1;                   // in scope 1 at $DIR/mutable_variable_unprop_assign.rs:5:9: 5:10
  10           let mut _2: (i32, i32);          // in scope 1 at $DIR/mutable_variable_unprop_assign.rs:6:9: 6:14
  11           scope 2 {
  12               debug x => _2;               // in scope 2 at $DIR/mutable_variable_unprop_assign.rs:6:9: 6:14
  13               let _4: i32;                 // in scope 2 at $DIR/mutable_variable_unprop_assign.rs:8:9: 8:10
  14               scope 3 {
  15                   debug y => _4;           // in scope 3 at $DIR/mutable_variable_unprop_assign.rs:8:9: 8:10
  16                   let _5: i32;             // in scope 3 at $DIR/mutable_variable_unprop_assign.rs:9:9: 9:10
  17                   scope 4 {
  18                       debug z => _5;       // in scope 4 at $DIR/mutable_variable_unprop_assign.rs:9:9: 9:10
  19                   }
  20               }
  21           }
  22       }
  23
  24       bb0: {
  25           StorageLive(_1);                 // scope 0 at $DIR/mutable_variable_unprop_assign.rs:5:9: 5:10
  26           _1 = foo() -> bb1;               // scope 0 at $DIR/mutable_variable_unprop_assign.rs:5:13: 5:18
  27                                            // mir::Constant
  28                                            // + span: $DIR/mutable_variable_unprop_assign.rs:5:13: 5:16
  29                                            // + literal: Const { ty: fn() -> i32 {foo}, val: Value(Scalar(<ZST>)) }
  30       }
  31
  32       bb1: {
  33           StorageLive(_2);                 // scope 1 at $DIR/mutable_variable_unprop_assign.rs:6:9: 6:14
  34           (_2.0: i32) = const 1_i32;       // scope 1 at $DIR/mutable_variable_unprop_assign.rs:6:29: 6:35
  35           (_2.1: i32) = const 2_i32;       // scope 1 at $DIR/mutable_variable_unprop_assign.rs:6:29: 6:35
  36           StorageLive(_3);                 // scope 2 at $DIR/mutable_variable_unprop_assign.rs:7:11: 7:12
  37           _3 = _1;                         // scope 2 at $DIR/mutable_variable_unprop_assign.rs:7:11: 7:12
  38           (_2.1: i32) = move _3;           // scope 2 at $DIR/mutable_variable_unprop_assign.rs:7:5: 7:12
  39           StorageDead(_3);                 // scope 2 at $DIR/mutable_variable_unprop_assign.rs:7:11: 7:12
  40           StorageLive(_4);                 // scope 2 at $DIR/mutable_variable_unprop_assign.rs:8:9: 8:10
  41           _4 = (_2.1: i32);                // scope 2 at $DIR/mutable_variable_unprop_assign.rs:8:13: 8:16
  42           StorageLive(_5);                 // scope 3 at $DIR/mutable_variable_unprop_assign.rs:9:9: 9:10
  43           _5 = (_2.0: i32);                // scope 3 at $DIR/mutable_variable_unprop_assign.rs:9:13: 9:16
  44           nop;                             // scope 0 at $DIR/mutable_variable_unprop_assign.rs:4:11: 10:2
  45           StorageDead(_5);                 // scope 3 at $DIR/mutable_variable_unprop_assign.rs:10:1: 10:2
  46           StorageDead(_4);                 // scope 2 at $DIR/mutable_variable_unprop_assign.rs:10:1: 10:2
  47           StorageDead(_2);                 // scope 1 at $DIR/mutable_variable_unprop_assign.rs:10:1: 10:2
  48           StorageDead(_1);                 // scope 0 at $DIR/mutable_variable_unprop_assign.rs:10:1: 10:2
  49           return;                          // scope 0 at $DIR/mutable_variable_unprop_assign.rs:10:2: 10:2
  50       }
  51   }
  52