src/test/mir-opt/no_spurious_drop_after_call.main.ElaborateDrops.before.mir

   1 // MIR for `main` before ElaborateDrops
   2
   3 fn main() -> () {
   4     let mut _0: ();                      // return place in scope 0 at $DIR/no-spurious-drop-after-call.rs:8:11: 8:11
   5     let _1: ();                          // in scope 0 at $DIR/no-spurious-drop-after-call.rs:9:5: 9:35
   6     let mut _2: std::string::String;     // in scope 0 at $DIR/no-spurious-drop-after-call.rs:9:20: 9:34
   7     let mut _3: &str;                    // in scope 0 at $DIR/no-spurious-drop-after-call.rs:9:20: 9:34
   8     let _4: &str;                        // in scope 0 at $DIR/no-spurious-drop-after-call.rs:9:20: 9:22
   9
  10     bb0: {
  11         StorageLive(_1);                 // scope 0 at $DIR/no-spurious-drop-after-call.rs:9:5: 9:35
  12         StorageLive(_2);                 // scope 0 at $DIR/no-spurious-drop-after-call.rs:9:20: 9:34
  13         StorageLive(_3);                 // scope 0 at $DIR/no-spurious-drop-after-call.rs:9:20: 9:34
  14         StorageLive(_4);                 // scope 0 at $DIR/no-spurious-drop-after-call.rs:9:20: 9:22
  15         _4 = const "";                   // scope 0 at $DIR/no-spurious-drop-after-call.rs:9:20: 9:22
  16                                          // mir::Constant
  17                                          // + span: $DIR/no-spurious-drop-after-call.rs:9:20: 9:22
  18                                          // + literal: Const { ty: &str, val: Value(Slice(..)) }
  19         _3 = &(*_4);                     // scope 0 at $DIR/no-spurious-drop-after-call.rs:9:20: 9:34
  20         _2 = <str as ToString>::to_string(move _3) -> bb1; // scope 0 at $DIR/no-spurious-drop-after-call.rs:9:20: 9:34
  21                                          // mir::Constant
  22                                          // + span: $DIR/no-spurious-drop-after-call.rs:9:23: 9:32
  23                                          // + literal: Const { ty: for<'r> fn(&'r str) -> String {<str as ToString>::to_string}, val: Value(<ZST>) }
  24     }
  25
  26     bb1: {
  27         StorageDead(_3);                 // scope 0 at $DIR/no-spurious-drop-after-call.rs:9:33: 9:34
  28         _1 = std::mem::drop::<String>(move _2) -> [return: bb2, unwind: bb3]; // scope 0 at $DIR/no-spurious-drop-after-call.rs:9:5: 9:35
  29                                          // mir::Constant
  30                                          // + span: $DIR/no-spurious-drop-after-call.rs:9:5: 9:19
  31                                          // + literal: Const { ty: fn(String) {std::mem::drop::<String>}, val: Value(<ZST>) }
  32     }
  33
  34     bb2: {
  35         StorageDead(_2);                 // scope 0 at $DIR/no-spurious-drop-after-call.rs:9:34: 9:35
  36         StorageDead(_4);                 // scope 0 at $DIR/no-spurious-drop-after-call.rs:9:35: 9:36
  37         StorageDead(_1);                 // scope 0 at $DIR/no-spurious-drop-after-call.rs:9:35: 9:36
  38         _0 = const ();                   // scope 0 at $DIR/no-spurious-drop-after-call.rs:8:11: 10:2
  39         return;                          // scope 0 at $DIR/no-spurious-drop-after-call.rs:10:2: 10:2
  40     }
  41
  42     bb3 (cleanup): {
  43         drop(_2) -> bb4;                 // scope 0 at $DIR/no-spurious-drop-after-call.rs:9:34: 9:35
  44     }
  45
  46     bb4 (cleanup): {
  47         resume;                          // scope 0 at $DIR/no-spurious-drop-after-call.rs:8:1: 10:2
  48     }
  49 }