src/test/mir-opt/const_prop/bad_op_unsafe_oob_for_slices/32bit/rustc.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/bad_op_unsafe_oob_for_slices.rs:4:11: 4:11
   6       let _1: *const [i32];                // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:5:9: 5:10
   7       let mut _2: *const [i32; 3];         // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:5:25: 5:35
   8       let _3: &[i32; 3];                   // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:5:25: 5:35
   9       let _4: [i32; 3];                    // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:5:26: 5:35
  10       let _6: usize;                       // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:7:23: 7:24
  11       let mut _7: usize;                   // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:7:18: 7:25
  12       let mut _8: bool;                    // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:7:18: 7:25
  13       let mut _9: &[i32; 3];               // in scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:5:25: 5:35
  14       scope 1 {
  15           debug a => _1;                   // in scope 1 at $DIR/bad_op_unsafe_oob_for_slices.rs:5:9: 5:10
  16           scope 2 {
  17               let _5: i32;                 // in scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:7:13: 7:15
  18               scope 3 {
  19                   debug _b => _5;          // in scope 3 at $DIR/bad_op_unsafe_oob_for_slices.rs:7:13: 7:15
  20               }
  21           }
  22       }
  23
  24       bb0: {
  25           StorageLive(_1);                 // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:5:9: 5:10
  26           StorageLive(_2);                 // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:5:25: 5:35
  27           StorageLive(_3);                 // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:5:25: 5:35
  28           _9 = const main::promoted[0];    // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:5:25: 5:35
  29                                            // ty::Const
  30                                            // + ty: &[i32; 3]
  31                                            // + val: Unevaluated(DefId(0:3 ~ bad_op_unsafe_oob_for_slices[317d]::main[0]), [], Some(promoted[0]))
  32                                            // mir::Constant
  33                                            // + span: $DIR/bad_op_unsafe_oob_for_slices.rs:5:25: 5:35
  34                                            // + literal: Const { ty: &[i32; 3], val: Unevaluated(DefId(0:3 ~ bad_op_unsafe_oob_for_slices[317d]::main[0]), [], Some(promoted[0])) }
  35           _3 = _9;                         // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:5:25: 5:35
  36           _2 = &raw const (*_3);           // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:5:25: 5:35
  37           _1 = move _2 as *const [i32] (Pointer(Unsize)); // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:5:25: 5:35
  38           StorageDead(_2);                 // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:5:34: 5:35
  39           StorageDead(_3);                 // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:5:35: 5:36
  40           StorageLive(_5);                 // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:7:13: 7:15
  41           StorageLive(_6);                 // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:7:23: 7:24
  42           _6 = const 3usize;               // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:7:23: 7:24
  43                                            // ty::Const
  44                                            // + ty: usize
  45                                            // + val: Value(Scalar(0x00000003))
  46                                            // mir::Constant
  47                                            // + span: $DIR/bad_op_unsafe_oob_for_slices.rs:7:23: 7:24
  48                                            // + literal: Const { ty: usize, val: Value(Scalar(0x00000003)) }
  49           _7 = Len((*_1));                 // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:7:18: 7:25
  50           _8 = Lt(_6, _7);                 // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:7:18: 7:25
  51           assert(move _8, "index out of bounds: the len is {} but the index is {}", move _7, _6) -> bb1; // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:7:18: 7:25
  52       }
  53
  54       bb1: {
  55           _5 = (*_1)[_6];                  // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:7:18: 7:25
  56           StorageDead(_6);                 // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:7:25: 7:26
  57           _0 = const ();                   // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:6:5: 8:6
  58                                            // ty::Const
  59                                            // + ty: ()
  60                                            // + val: Value(Scalar(<ZST>))
  61                                            // mir::Constant
  62                                            // + span: $DIR/bad_op_unsafe_oob_for_slices.rs:6:5: 8:6
  63                                            // + literal: Const { ty: (), val: Value(Scalar(<ZST>)) }
  64           StorageDead(_5);                 // scope 2 at $DIR/bad_op_unsafe_oob_for_slices.rs:8:5: 8:6
  65           StorageDead(_1);                 // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:9:1: 9:2
  66           return;                          // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:9:2: 9:2
  67       }
  68   }
  69