tests/mir-opt/lower_slice_len.bound.LowerSliceLenCalls.diff

   1 - // MIR for `bound` before LowerSliceLenCalls
   2 + // MIR for `bound` after LowerSliceLenCalls
   3
   4   fn bound(_1: usize, _2: &[u8]) -> u8 {
   5       debug index => _1;                   // in scope 0 at $DIR/lower_slice_len.rs:+0:14: +0:19
   6       debug slice => _2;                   // in scope 0 at $DIR/lower_slice_len.rs:+0:28: +0:33
   7       let mut _0: u8;                      // return place in scope 0 at $DIR/lower_slice_len.rs:+0:45: +0:47
   8       let mut _3: bool;                    // in scope 0 at $DIR/lower_slice_len.rs:+1:8: +1:27
   9       let mut _4: usize;                   // in scope 0 at $DIR/lower_slice_len.rs:+1:8: +1:13
  10       let mut _5: usize;                   // in scope 0 at $DIR/lower_slice_len.rs:+1:16: +1:27
  11       let mut _6: &[u8];                   // in scope 0 at $DIR/lower_slice_len.rs:+1:16: +1:27
  12       let _7: usize;                       // in scope 0 at $DIR/lower_slice_len.rs:+2:15: +2:20
  13       let mut _8: usize;                   // in scope 0 at $DIR/lower_slice_len.rs:+2:9: +2:21
  14       let mut _9: bool;                    // in scope 0 at $DIR/lower_slice_len.rs:+2:9: +2:21
  15
  16       bb0: {
  17           StorageLive(_3);                 // scope 0 at $DIR/lower_slice_len.rs:+1:8: +1:27
  18           StorageLive(_4);                 // scope 0 at $DIR/lower_slice_len.rs:+1:8: +1:13
  19           _4 = _1;                         // scope 0 at $DIR/lower_slice_len.rs:+1:8: +1:13
  20           StorageLive(_5);                 // scope 0 at $DIR/lower_slice_len.rs:+1:16: +1:27
  21           StorageLive(_6);                 // scope 0 at $DIR/lower_slice_len.rs:+1:16: +1:27
  22           _6 = &(*_2);                     // scope 0 at $DIR/lower_slice_len.rs:+1:16: +1:27
  23 -         _5 = core::slice::<impl [u8]>::len(move _6) -> bb1; // scope 0 at $DIR/lower_slice_len.rs:+1:16: +1:27
  24 -                                          // mir::Constant
  25 -                                          // + span: $DIR/lower_slice_len.rs:5:22: 5:25
  26 -                                          // + literal: Const { ty: for<'a> fn(&'a [u8]) -> usize {core::slice::<impl [u8]>::len}, val: Value(<ZST>) }
  27 +         _5 = Len((*_6));                 // scope 0 at $DIR/lower_slice_len.rs:+1:16: +1:27
  28 +         goto -> bb1;                     // scope 0 at $DIR/lower_slice_len.rs:+1:16: +1:27
  29       }
  30
  31       bb1: {
  32           StorageDead(_6);                 // scope 0 at $DIR/lower_slice_len.rs:+1:26: +1:27
  33           _3 = Lt(move _4, move _5);       // scope 0 at $DIR/lower_slice_len.rs:+1:8: +1:27
  34           StorageDead(_5);                 // scope 0 at $DIR/lower_slice_len.rs:+1:26: +1:27
  35           StorageDead(_4);                 // scope 0 at $DIR/lower_slice_len.rs:+1:26: +1:27
  36           switchInt(move _3) -> [0: bb4, otherwise: bb2]; // scope 0 at $DIR/lower_slice_len.rs:+1:8: +1:27
  37       }
  38
  39       bb2: {
  40           StorageLive(_7);                 // scope 0 at $DIR/lower_slice_len.rs:+2:15: +2:20
  41           _7 = _1;                         // scope 0 at $DIR/lower_slice_len.rs:+2:15: +2:20
  42           _8 = Len((*_2));                 // scope 0 at $DIR/lower_slice_len.rs:+2:9: +2:21
  43           _9 = Lt(_7, _8);                 // scope 0 at $DIR/lower_slice_len.rs:+2:9: +2:21
  44           assert(move _9, "index out of bounds: the length is {} but the index is {}", move _8, _7) -> bb3; // scope 0 at $DIR/lower_slice_len.rs:+2:9: +2:21
  45       }
  46
  47       bb3: {
  48           _0 = (*_2)[_7];                  // scope 0 at $DIR/lower_slice_len.rs:+2:9: +2:21
  49           StorageDead(_7);                 // scope 0 at $DIR/lower_slice_len.rs:+3:5: +3:6
  50           goto -> bb5;                     // scope 0 at $DIR/lower_slice_len.rs:+1:5: +5:6
  51       }
  52
  53       bb4: {
  54           _0 = const 42_u8;                // scope 0 at $DIR/lower_slice_len.rs:+4:9: +4:11
  55           goto -> bb5;                     // scope 0 at $DIR/lower_slice_len.rs:+1:5: +5:6
  56       }
  57
  58       bb5: {
  59           StorageDead(_3);                 // scope 0 at $DIR/lower_slice_len.rs:+5:5: +5:6
  60           return;                          // scope 0 at $DIR/lower_slice_len.rs:+6:2: +6:2
  61       }
  62   }
  63