src/test/mir-opt/const_prop/slice_len.main.ConstProp.diff.64bit

   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/slice_len.rs:4:11: 4:11
   6       let _1: u32;                         // in scope 0 at $DIR/slice_len.rs:5:5: 5:33
   7       let mut _2: &[u32];                  // in scope 0 at $DIR/slice_len.rs:5:5: 5:30
   8       let mut _3: &[u32; 3];               // in scope 0 at $DIR/slice_len.rs:5:6: 5:19
   9       let _4: &[u32; 3];                   // in scope 0 at $DIR/slice_len.rs:5:6: 5:19
  10       let _5: [u32; 3];                    // in scope 0 at $DIR/slice_len.rs:5:7: 5:19
  11       let _6: usize;                       // in scope 0 at $DIR/slice_len.rs:5:31: 5:32
  12       let mut _7: usize;                   // in scope 0 at $DIR/slice_len.rs:5:5: 5:33
  13       let mut _8: bool;                    // in scope 0 at $DIR/slice_len.rs:5:5: 5:33
  14       let mut _9: &[u32; 3];               // in scope 0 at $DIR/slice_len.rs:5:6: 5:19
  15
  16       bb0: {
  17           StorageLive(_1);                 // scope 0 at $DIR/slice_len.rs:5:5: 5:33
  18           StorageLive(_2);                 // scope 0 at $DIR/slice_len.rs:5:5: 5:30
  19           StorageLive(_3);                 // scope 0 at $DIR/slice_len.rs:5:6: 5:19
  20           StorageLive(_4);                 // scope 0 at $DIR/slice_len.rs:5:6: 5:19
  21           _9 = const main::promoted[0];    // scope 0 at $DIR/slice_len.rs:5:6: 5:19
  22                                            // ty::Const
  23                                            // + ty: &[u32; 3]
  24                                            // + val: Unevaluated(WithOptConstParam { did: DefId(0:3 ~ slice_len[317d]::main[0]), const_param_did: None }, [], Some(promoted[0]))
  25                                            // mir::Constant
  26                                            // + span: $DIR/slice_len.rs:5:6: 5:19
  27                                            // + literal: Const { ty: &[u32; 3], val: Unevaluated(WithOptConstParam { did: DefId(0:3 ~ slice_len[317d]::main[0]), const_param_did: None }, [], Some(promoted[0])) }
  28           _4 = _9;                         // scope 0 at $DIR/slice_len.rs:5:6: 5:19
  29           _3 = _4;                         // scope 0 at $DIR/slice_len.rs:5:6: 5:19
  30           _2 = move _3 as &[u32] (Pointer(Unsize)); // scope 0 at $DIR/slice_len.rs:5:6: 5:19
  31           StorageDead(_3);                 // scope 0 at $DIR/slice_len.rs:5:18: 5:19
  32           StorageLive(_6);                 // scope 0 at $DIR/slice_len.rs:5:31: 5:32
  33           _6 = const 1_usize;              // scope 0 at $DIR/slice_len.rs:5:31: 5:32
  34 -         _7 = Len((*_2));                 // scope 0 at $DIR/slice_len.rs:5:5: 5:33
  35 -         _8 = Lt(_6, _7);                 // scope 0 at $DIR/slice_len.rs:5:5: 5:33
  36 -         assert(move _8, "index out of bounds: the len is {} but the index is {}", move _7, _6) -> bb1; // scope 0 at $DIR/slice_len.rs:5:5: 5:33
  37 +         _7 = const 3_usize;              // scope 0 at $DIR/slice_len.rs:5:5: 5:33
  38 +         _8 = const true;                 // scope 0 at $DIR/slice_len.rs:5:5: 5:33
  39 +         assert(const true, "index out of bounds: the len is {} but the index is {}", const 3_usize, const 1_usize) -> bb1; // scope 0 at $DIR/slice_len.rs:5:5: 5:33
  40       }
  41
  42       bb1: {
  43 -         _1 = (*_2)[_6];                  // scope 0 at $DIR/slice_len.rs:5:5: 5:33
  44 +         _1 = const 2_u32;                // scope 0 at $DIR/slice_len.rs:5:5: 5:33
  45           StorageDead(_6);                 // scope 0 at $DIR/slice_len.rs:5:33: 5:34
  46           StorageDead(_4);                 // scope 0 at $DIR/slice_len.rs:5:33: 5:34
  47           StorageDead(_2);                 // scope 0 at $DIR/slice_len.rs:5:33: 5:34
  48           StorageDead(_1);                 // scope 0 at $DIR/slice_len.rs:5:33: 5:34
  49           _0 = const ();                   // scope 0 at $DIR/slice_len.rs:4:11: 6:2
  50           return;                          // scope 0 at $DIR/slice_len.rs:6:2: 6:2
  51       }
  52   }
  53