src/test/mir-opt/simplify_match.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/simplify_match.rs:+0:11: +0:11
   6       let mut _1: bool;                    // in scope 0 at $DIR/simplify_match.rs:+1:11: +1:31
   7       let _2: bool;                        // in scope 0 at $DIR/simplify_match.rs:+1:17: +1:18
   8       scope 1 {
   9           debug x => _2;                   // in scope 1 at $DIR/simplify_match.rs:+1:17: +1:18
  10       }
  11
  12       bb0: {
  13           StorageLive(_1);                 // scope 0 at $DIR/simplify_match.rs:+1:11: +1:31
  14           StorageLive(_2);                 // scope 0 at $DIR/simplify_match.rs:+1:17: +1:18
  15           _2 = const false;                // scope 0 at $DIR/simplify_match.rs:+1:21: +1:26
  16 -         _1 = _2;                         // scope 1 at $DIR/simplify_match.rs:+1:28: +1:29
  17 +         _1 = const false;                // scope 1 at $DIR/simplify_match.rs:+1:28: +1:29
  18           StorageDead(_2);                 // scope 0 at $DIR/simplify_match.rs:+1:30: +1:31
  19 -         switchInt(_1) -> [false: bb1, otherwise: bb2]; // scope 0 at $DIR/simplify_match.rs:+1:5: +1:31
  20 +         switchInt(const false) -> [false: bb1, otherwise: bb2]; // scope 0 at $DIR/simplify_match.rs:+1:5: +1:31
  21       }
  22
  23       bb1: {
  24           nop;                             // scope 0 at $DIR/simplify_match.rs:+3:18: +3:20
  25           goto -> bb3;                     // scope 0 at $DIR/simplify_match.rs:+3:18: +3:20
  26       }
  27
  28       bb2: {
  29           _0 = noop() -> bb3;              // scope 0 at $DIR/simplify_match.rs:+2:17: +2:23
  30                                            // mir::Constant
  31                                            // + span: $DIR/simplify_match.rs:7:17: 7:21
  32                                            // + literal: Const { ty: fn() {noop}, val: Value(<ZST>) }
  33       }
  34
  35       bb3: {
  36           StorageDead(_1);                 // scope 0 at $DIR/simplify_match.rs:+5:1: +5:2
  37           return;                          // scope 0 at $DIR/simplify_match.rs:+5:2: +5:2
  38       }
  39   }
  40