rust/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.mir

// MIR for `slice_get_unchecked_mut_range` after PreCodegen

fn slice_get_unchecked_mut_range(_1: &mut [u32], _2: std::ops::Range<usize>) -> &mut [u32] {
    debug slice => _1;                   // in scope 0 at $DIR/slice_index.rs:+0:45: +0:50
    debug index => _2;                   // in scope 0 at $DIR/slice_index.rs:+0:64: +0:69
    let mut _0: &mut [u32];              // return place in scope 0 at $DIR/slice_index.rs:+0:88: +0:98
    let mut _3: usize;                   // in scope 0 at $DIR/slice_index.rs:+1:29: +1:34
    let mut _4: usize;                   // in scope 0 at $DIR/slice_index.rs:+1:29: +1:34
    scope 1 (inlined core::slice::<impl [u32]>::get_unchecked_mut::<std::ops::Range<usize>>) { // at $DIR/slice_index.rs:26:11: 26:35
        debug self => _1;                // in scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
        debug index => std::ops::Range<usize>{ .0 => _3, .1 => _4, }; // in scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
        let mut _5: *mut [u32];          // in scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
        let mut _14: *mut [u32];         // in scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
        scope 2 {
            scope 3 (inlined <std::ops::Range<usize> as SliceIndex<[u32]>>::get_unchecked_mut) { // at $SRC_DIR/core/src/slice/mod.rs:LL:COL
                debug self => std::ops::Range<usize>{ .0 => _3, .1 => _4, }; // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL
                debug slice => _5;       // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL
                let mut _7: *mut u32;    // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL
                let mut _8: *mut u32;    // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL
                let mut _9: usize;       // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL
                let _16: usize;          // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL
                let _17: usize;          // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL
                scope 4 {
                    debug this => std::ops::Range<usize>{ .0 => _16, .1 => _17, }; // in scope 4 at $SRC_DIR/core/src/slice/index.rs:LL:COL
                    scope 5 {
                        let _6: usize;   // in scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL
                        scope 6 {
                            debug new_len => _6; // in scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
                            scope 11 (inlined ptr::mut_ptr::<impl *mut [u32]>::as_mut_ptr) { // at $SRC_DIR/core/src/slice/index.rs:LL:COL
                                debug self => _5; // in scope 11 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
                            }
                            scope 12 (inlined ptr::mut_ptr::<impl *mut u32>::add) { // at $SRC_DIR/core/src/slice/index.rs:LL:COL
                                debug self => _7; // in scope 12 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
                                debug count => _3; // in scope 12 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
                                scope 13 {
                                }
                            }
                            scope 14 (inlined slice_from_raw_parts_mut::<u32>) { // at $SRC_DIR/core/src/slice/index.rs:LL:COL
                                debug data => _8; // in scope 14 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
                                debug len => _9; // in scope 14 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
                                let mut _10: *mut (); // in scope 14 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
                                scope 15 (inlined ptr::mut_ptr::<impl *mut u32>::cast::<()>) { // at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
                                    debug self => _8; // in scope 15 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
                                }
                                scope 16 (inlined std::ptr::from_raw_parts_mut::<[u32]>) { // at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
                                    debug data_address => _10; // in scope 16 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
                                    debug metadata => _9; // in scope 16 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
                                    let mut _11: *const (); // in scope 16 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
                                    let mut _12: std::ptr::metadata::PtrComponents<[u32]>; // in scope 16 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
                                    let mut _13: std::ptr::metadata::PtrRepr<[u32]>; // in scope 16 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
                                    scope 17 {
                                    }
                                }
                            }
                        }
                        scope 7 (inlined <std::ops::Range<usize> as SliceIndex<[T]>>::get_unchecked_mut::runtime::<u32>) { // at $SRC_DIR/core/src/intrinsics.rs:LL:COL
                            debug this => std::ops::Range<usize>{ .0 => _16, .1 => _17, }; // in scope 7 at $SRC_DIR/core/src/intrinsics.rs:LL:COL
                            debug slice => _5; // in scope 7 at $SRC_DIR/core/src/intrinsics.rs:LL:COL
                            scope 8 (inlined ptr::mut_ptr::<impl *mut [u32]>::len) { // at $SRC_DIR/core/src/slice/index.rs:LL:COL
                                debug self => _5; // in scope 8 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
                                let mut _15: *const [u32]; // in scope 8 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
                                scope 9 (inlined std::ptr::metadata::<[u32]>) { // at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
                                    debug ptr => _15; // in scope 9 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
                                    scope 10 {
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
    }

    bb0: {
        _3 = move (_2.0: usize);         // scope 0 at $DIR/slice_index.rs:+1:29: +1:34
        _4 = move (_2.1: usize);         // scope 0 at $DIR/slice_index.rs:+1:29: +1:34
        StorageLive(_14);                // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
        StorageLive(_5);                 // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
        _5 = &raw mut (*_1);             // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
        StorageLive(_15);                // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
        StorageLive(_16);                // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
        StorageLive(_17);                // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
        StorageLive(_6);                 // scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL
        _6 = unchecked_sub::<usize>(_4, _3) -> [return: bb1, unwind unreachable]; // scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL
                                         // mir::Constant
                                         // + span: $SRC_DIR/core/src/slice/index.rs:LL:COL
                                         // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(usize, usize) -> usize {unchecked_sub::<usize>}, val: Value(<ZST>) }
    }

    bb1: {
        StorageLive(_8);                 // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
        StorageLive(_7);                 // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
        _7 = _5 as *mut u32 (PtrToPtr);  // scope 11 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
        _8 = Offset(_7, _3);             // scope 13 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
        StorageDead(_7);                 // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
        StorageLive(_9);                 // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
        _9 = _6;                         // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
        StorageLive(_10);                // scope 14 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
        _10 = _8 as *mut () (PtrToPtr);  // scope 15 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL
        StorageLive(_13);                // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
        StorageLive(_12);                // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
        StorageLive(_11);                // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
        _11 = _10 as *const () (Pointer(MutToConstPointer)); // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
        _12 = ptr::metadata::PtrComponents::<[u32]> { data_address: move _11, metadata: _9 }; // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
        StorageDead(_11);                // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
        _13 = ptr::metadata::PtrRepr::<[u32]> { const_ptr: move _12 }; // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
        StorageDead(_12);                // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
        _14 = (_13.1: *mut [u32]);       // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
        StorageDead(_13);                // scope 16 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL
        StorageDead(_10);                // scope 14 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
        StorageDead(_9);                 // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
        StorageDead(_8);                 // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL
        StorageDead(_6);                 // scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL
        StorageDead(_17);                // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
        StorageDead(_16);                // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
        StorageDead(_15);                // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
        StorageDead(_5);                 // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
        _0 = &mut (*_14);                // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
        StorageDead(_14);                // scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL
        return;                          // scope 0 at $DIR/slice_index.rs:+2:2: +2:2
    }
}