diff options
Diffstat (limited to 'tests')
8 files changed, 348 insertions, 6 deletions
diff --git a/tests/codegen/intrinsics/offset.rs b/tests/codegen/intrinsics/offset.rs new file mode 100644 index 00000000000..7fc4f4498d6 --- /dev/null +++ b/tests/codegen/intrinsics/offset.rs @@ -0,0 +1,34 @@ +// compile-flags: -O -C no-prepopulate-passes +// min-llvm-version: 15.0 (because we're using opaque pointers) + +#![crate_type = "lib"] +#![feature(core_intrinsics)] + +use std::intrinsics::offset; + +// CHECK-LABEL: ptr @offset_zst +// CHECK-SAME: (ptr noundef %p, [[SIZE:i[0-9]+]] noundef %d) +#[no_mangle] +pub unsafe fn offset_zst(p: *const (), d: usize) -> *const () { + // CHECK-NOT: getelementptr + // CHECK: ret ptr %p + offset(p, d) +} + +// CHECK-LABEL: ptr @offset_isize +// CHECK-SAME: (ptr noundef %p, [[SIZE]] noundef %d) +#[no_mangle] +pub unsafe fn offset_isize(p: *const u32, d: isize) -> *const u32 { + // CHECK: %[[R:.*]] = getelementptr inbounds i32, ptr %p, [[SIZE]] %d + // CHECK-NEXT: ret ptr %[[R]] + offset(p, d) +} + +// CHECK-LABEL: ptr @offset_usize +// CHECK-SAME: (ptr noundef %p, [[SIZE]] noundef %d) +#[no_mangle] +pub unsafe fn offset_usize(p: *const u64, d: usize) -> *const u64 { + // CHECK: %[[R:.*]] = getelementptr inbounds i64, ptr %p, [[SIZE]] %d + // CHECK-NEXT: ret ptr %[[R]] + offset(p, d) +} diff --git a/tests/mir-opt/lower_intrinsics.ptr_offset.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.ptr_offset.LowerIntrinsics.diff index f342bf30d02..e4e228371e6 100644 --- a/tests/mir-opt/lower_intrinsics.ptr_offset.LowerIntrinsics.diff +++ b/tests/mir-opt/lower_intrinsics.ptr_offset.LowerIntrinsics.diff @@ -13,10 +13,10 @@ _3 = _1; // scope 0 at $DIR/lower_intrinsics.rs:+1:30: +1:31 StorageLive(_4); // scope 0 at $DIR/lower_intrinsics.rs:+1:33: +1:34 _4 = _2; // scope 0 at $DIR/lower_intrinsics.rs:+1:33: +1:34 -- _0 = offset::<i32>(move _3, move _4) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/lower_intrinsics.rs:+1:5: +1:35 +- _0 = offset::<*const i32, isize>(move _3, move _4) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/lower_intrinsics.rs:+1:5: +1:35 - // mir::Constant - // + span: $DIR/lower_intrinsics.rs:140:5: 140:29 -- // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(*const i32, isize) -> *const i32 {offset::<i32>}, val: Value(<ZST>) } +- // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(*const i32, isize) -> *const i32 {offset::<*const i32, isize>}, val: Value(<ZST>) } + _0 = Offset(move _3, move _4); // scope 0 at $DIR/lower_intrinsics.rs:+1:5: +1:35 + goto -> bb1; // scope 0 at $DIR/lower_intrinsics.rs:+1:5: +1:35 } diff --git a/tests/mir-opt/pre-codegen/slice_index.rs b/tests/mir-opt/pre-codegen/slice_index.rs new file mode 100644 index 00000000000..44b45627607 --- /dev/null +++ b/tests/mir-opt/pre-codegen/slice_index.rs @@ -0,0 +1,27 @@ +// compile-flags: -O -C debuginfo=0 -Zmir-opt-level=2 +// only-64bit +// ignore-debug + +#![crate_type = "lib"] + +use std::ops::Range; + +// EMIT_MIR slice_index.slice_index_usize.PreCodegen.after.mir +pub fn slice_index_usize(slice: &[u32], index: usize) -> u32 { + slice[index] +} + +// EMIT_MIR slice_index.slice_get_mut_usize.PreCodegen.after.mir +pub fn slice_get_mut_usize(slice: &mut [u32], index: usize) -> Option<&mut u32> { + slice.get_mut(index) +} + +// EMIT_MIR slice_index.slice_index_range.PreCodegen.after.mir +pub fn slice_index_range(slice: &[u32], index: Range<usize>) -> &[u32] { + &slice[index] +} + +// EMIT_MIR slice_index.slice_get_unchecked_mut_range.PreCodegen.after.mir +pub unsafe fn slice_get_unchecked_mut_range(slice: &mut [u32], index: Range<usize>) -> &mut [u32] { + slice.get_unchecked_mut(index) +} diff --git a/tests/mir-opt/pre-codegen/slice_index.slice_get_mut_usize.PreCodegen.after.mir b/tests/mir-opt/pre-codegen/slice_index.slice_get_mut_usize.PreCodegen.after.mir new file mode 100644 index 00000000000..715a1e3fcd4 --- /dev/null +++ b/tests/mir-opt/pre-codegen/slice_index.slice_get_mut_usize.PreCodegen.after.mir @@ -0,0 +1,105 @@ +// MIR for `slice_get_mut_usize` after PreCodegen + +fn slice_get_mut_usize(_1: &mut [u32], _2: usize) -> Option<&mut u32> { + debug slice => _1; // in scope 0 at $DIR/slice_index.rs:+0:28: +0:33 + debug index => _2; // in scope 0 at $DIR/slice_index.rs:+0:47: +0:52 + let mut _0: std::option::Option<&mut u32>; // return place in scope 0 at $DIR/slice_index.rs:+0:64: +0:80 + scope 1 (inlined core::slice::<impl [u32]>::get_mut::<usize>) { // at $DIR/slice_index.rs:16:11: 16:25 + debug self => _1; // in scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL + debug index => _2; // in scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL + scope 2 (inlined <usize as SliceIndex<[u32]>>::get_mut) { // at $SRC_DIR/core/src/slice/mod.rs:LL:COL + debug self => _2; // in scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + debug slice => _1; // in scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + let mut _3: bool; // in scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + let mut _4: usize; // in scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + let mut _5: &[u32]; // in scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + let mut _6: &mut u32; // in scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + let mut _7: *mut u32; // in scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + let mut _8: *mut [u32]; // in scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + scope 3 { + scope 4 (inlined <usize as SliceIndex<[u32]>>::get_unchecked_mut) { // at $SRC_DIR/core/src/slice/index.rs:LL:COL + debug self => _2; // in scope 4 at $SRC_DIR/core/src/slice/index.rs:LL:COL + debug slice => _8; // in scope 4 at $SRC_DIR/core/src/slice/index.rs:LL:COL + let mut _9: *mut u32; // in scope 4 at $SRC_DIR/core/src/slice/index.rs:LL:COL + let mut _10: usize; // in scope 4 at $SRC_DIR/core/src/intrinsics.rs:LL:COL + let mut _11: *mut [u32]; // in scope 4 at $SRC_DIR/core/src/intrinsics.rs:LL:COL + scope 5 { + debug this => _2; // in scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL + scope 6 { + scope 7 (inlined <usize as SliceIndex<[T]>>::get_unchecked_mut::runtime::<u32>) { // at $SRC_DIR/core/src/intrinsics.rs:LL:COL + debug this => _10; // in scope 7 at $SRC_DIR/core/src/intrinsics.rs:LL:COL + debug slice => _11; // 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 => _11; // in scope 8 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL + let mut _12: *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 => _12; // in scope 9 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL + scope 10 { + } + } + } + } + scope 11 (inlined ptr::mut_ptr::<impl *mut [u32]>::as_mut_ptr) { // at $SRC_DIR/core/src/slice/index.rs:LL:COL + debug self => _8; // 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 => _9; // in scope 12 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL + debug count => _2; // in scope 12 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL + scope 13 { + } + } + } + } + } + } + } + } + + bb0: { + StorageLive(_6); // scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL + StorageLive(_3); // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageLive(_4); // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageLive(_5); // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + _5 = &(*_1); // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + _4 = Len((*_5)); // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageDead(_5); // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + _3 = Lt(_2, move _4); // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageDead(_4); // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + switchInt(move _3) -> [0: bb2, otherwise: bb1]; // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + } + + bb1: { + StorageLive(_7); // scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageLive(_8); // scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + _8 = &raw mut (*_1); // scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageLive(_10); // scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageLive(_11); // scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageLive(_12); // scope 3 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 = _8 as *mut u32 (PtrToPtr); // scope 11 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL + _7 = Offset(_9, _2); // scope 13 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL + StorageDead(_9); // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageDead(_12); // scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageDead(_11); // scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageDead(_10); // scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageDead(_8); // scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + _6 = &mut (*_7); // scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + _0 = Option::<&mut u32>::Some(_6); // scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageDead(_7); // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + goto -> bb3; // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + } + + bb2: { + _0 = const Option::<&mut u32>::None; // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + // mir::Constant + // + span: no-location + // + literal: Const { ty: Option<&mut u32>, val: Value(Scalar(0x0000000000000000)) } + goto -> bb3; // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + } + + bb3: { + StorageDead(_3); // scope 2 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageDead(_6); // scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL + return; // scope 0 at $DIR/slice_index.rs:+2:2: +2:2 + } +} diff --git a/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.mir b/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.mir new file mode 100644 index 00000000000..ea0a44cf3bf --- /dev/null +++ b/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.mir @@ -0,0 +1,134 @@ +// 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:+1:5: +1:35 + 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 => _2; // in scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL + let mut _3: *mut [u32]; // in scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL + let mut _4: *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 => _2; // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + debug slice => _4; // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + let _5: std::ops::Range<usize>; // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + let mut _7: usize; // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + let mut _8: usize; // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + let mut _9: *mut u32; // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + let mut _10: *mut u32; // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + let mut _11: usize; // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + let mut _12: usize; // in scope 3 at $SRC_DIR/core/src/slice/index.rs:LL:COL + let mut _13: std::ops::Range<usize>; // in scope 3 at $SRC_DIR/core/src/intrinsics.rs:LL:COL + let mut _14: *mut [u32]; // in scope 3 at $SRC_DIR/core/src/intrinsics.rs:LL:COL + scope 4 { + debug this => _5; // 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 => _4; // 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 => _10; // in scope 12 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL + debug count => _11; // 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 => _9; // in scope 14 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL + debug len => _12; // in scope 14 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL + let mut _16: *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 => _9; // 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 => _16; // in scope 16 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL + debug metadata => _12; // in scope 16 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL + let mut _17: std::ptr::metadata::PtrRepr<[u32]>; // in scope 16 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL + let mut _18: std::ptr::metadata::PtrComponents<[u32]>; // in scope 16 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL + let mut _19: *const (); // 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 => _13; // in scope 7 at $SRC_DIR/core/src/intrinsics.rs:LL:COL + debug slice => _14; // 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 => _14; // 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: { + StorageLive(_3); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL + StorageLive(_4); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL + _4 = &raw mut (*_1); // 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 + StorageLive(_13); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL + StorageLive(_14); // 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(_6); // scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageLive(_7); // scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL + _7 = (_2.1: usize); // scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageLive(_8); // scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL + _8 = (_2.0: usize); // scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL + _6 = unchecked_sub::<usize>(move _7, move _8) -> [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: { + StorageDead(_8); // scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageDead(_7); // scope 5 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageLive(_9); // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageLive(_10); // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL + _10 = _4 as *mut u32 (PtrToPtr); // scope 11 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL + StorageLive(_11); // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL + _11 = (_2.0: usize); // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL + _9 = Offset(_10, _11); // scope 13 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL + StorageDead(_11); // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageDead(_10); // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageLive(_12); // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL + _12 = _6; // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageLive(_16); // scope 14 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL + _16 = _9 as *mut () (PtrToPtr); // scope 15 at $SRC_DIR/core/src/ptr/mut_ptr.rs:LL:COL + StorageLive(_17); // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL + StorageLive(_18); // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL + StorageLive(_19); // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL + _19 = _16 as *const () (Pointer(MutToConstPointer)); // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL + _18 = ptr::metadata::PtrComponents::<[u32]> { data_address: move _19, metadata: _12 }; // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL + StorageDead(_19); // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL + _17 = ptr::metadata::PtrRepr::<[u32]> { const_ptr: move _18 }; // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL + StorageDead(_18); // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL + _3 = (_17.1: *mut [u32]); // scope 17 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL + StorageDead(_17); // scope 16 at $SRC_DIR/core/src/ptr/metadata.rs:LL:COL + StorageDead(_16); // scope 14 at $SRC_DIR/core/src/ptr/mod.rs:LL:COL + StorageDead(_12); // scope 6 at $SRC_DIR/core/src/slice/index.rs:LL:COL + StorageDead(_9); // 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(_15); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL + StorageDead(_14); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL + StorageDead(_13); // 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 + StorageDead(_4); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL + _0 = &mut (*_3); // scope 2 at $SRC_DIR/core/src/slice/mod.rs:LL:COL + StorageDead(_3); // scope 1 at $SRC_DIR/core/src/slice/mod.rs:LL:COL + return; // scope 0 at $DIR/slice_index.rs:+2:2: +2:2 + } +} diff --git a/tests/mir-opt/pre-codegen/slice_index.slice_index_range.PreCodegen.after.mir b/tests/mir-opt/pre-codegen/slice_index.slice_index_range.PreCodegen.after.mir new file mode 100644 index 00000000000..35dd973b55f --- /dev/null +++ b/tests/mir-opt/pre-codegen/slice_index.slice_index_range.PreCodegen.after.mir @@ -0,0 +1,26 @@ +// MIR for `slice_index_range` after PreCodegen + +fn slice_index_range(_1: &[u32], _2: std::ops::Range<usize>) -> &[u32] { + debug slice => _1; // in scope 0 at $DIR/slice_index.rs:+0:26: +0:31 + debug index => _2; // in scope 0 at $DIR/slice_index.rs:+0:41: +0:46 + let mut _0: &[u32]; // return place in scope 0 at $DIR/slice_index.rs:+1:5: +1:18 + let _3: &[u32]; // in scope 0 at $DIR/slice_index.rs:+1:6: +1:18 + scope 1 (inlined #[track_caller] core::slice::index::<impl Index<std::ops::Range<usize>> for [u32]>::index) { // at $DIR/slice_index.rs:21:6: 21:18 + debug self => _1; // in scope 1 at $SRC_DIR/core/src/slice/index.rs:LL:COL + debug index => _2; // in scope 1 at $SRC_DIR/core/src/slice/index.rs:LL:COL + } + + bb0: { + StorageLive(_3); // scope 0 at $DIR/slice_index.rs:+1:6: +1:18 + _3 = <std::ops::Range<usize> as SliceIndex<[u32]>>::index(move _2, _1) -> bb1; // scope 1 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: for<'a> fn(std::ops::Range<usize>, &'a [u32]) -> &'a <std::ops::Range<usize> as SliceIndex<[u32]>>::Output {<std::ops::Range<usize> as SliceIndex<[u32]>>::index}, val: Value(<ZST>) } + } + + bb1: { + _0 = _3; // scope 0 at $DIR/slice_index.rs:+1:5: +1:18 + StorageDead(_3); // scope 0 at $DIR/slice_index.rs:+2:1: +2:2 + return; // scope 0 at $DIR/slice_index.rs:+2:2: +2:2 + } +} diff --git a/tests/mir-opt/pre-codegen/slice_index.slice_index_usize.PreCodegen.after.mir b/tests/mir-opt/pre-codegen/slice_index.slice_index_usize.PreCodegen.after.mir new file mode 100644 index 00000000000..6cc0ee0570b --- /dev/null +++ b/tests/mir-opt/pre-codegen/slice_index.slice_index_usize.PreCodegen.after.mir @@ -0,0 +1,20 @@ +// MIR for `slice_index_usize` after PreCodegen + +fn slice_index_usize(_1: &[u32], _2: usize) -> u32 { + debug slice => _1; // in scope 0 at $DIR/slice_index.rs:+0:26: +0:31 + debug index => _2; // in scope 0 at $DIR/slice_index.rs:+0:41: +0:46 + let mut _0: u32; // return place in scope 0 at $DIR/slice_index.rs:+0:58: +0:61 + let mut _3: usize; // in scope 0 at $DIR/slice_index.rs:+1:5: +1:17 + let mut _4: bool; // in scope 0 at $DIR/slice_index.rs:+1:5: +1:17 + + bb0: { + _3 = Len((*_1)); // scope 0 at $DIR/slice_index.rs:+1:5: +1:17 + _4 = Lt(_2, _3); // scope 0 at $DIR/slice_index.rs:+1:5: +1:17 + assert(move _4, "index out of bounds: the length is {} but the index is {}", move _3, _2) -> bb1; // scope 0 at $DIR/slice_index.rs:+1:5: +1:17 + } + + bb1: { + _0 = (*_1)[_2]; // scope 0 at $DIR/slice_index.rs:+1:5: +1:17 + return; // scope 0 at $DIR/slice_index.rs:+2:2: +2:2 + } +} diff --git a/tests/ui/const-ptr/forbidden_slices.stderr b/tests/ui/const-ptr/forbidden_slices.stderr index b42361872c4..817cfb0acf9 100644 --- a/tests/ui/const-ptr/forbidden_slices.stderr +++ b/tests/ui/const-ptr/forbidden_slices.stderr @@ -131,8 +131,6 @@ error[E0080]: could not evaluate static initializer | = note: out-of-bounds pointer arithmetic: allocN has size 4, so pointer to 8 bytes starting at offset 0 is out-of-bounds | -note: inside `ptr::const_ptr::<impl *const u32>::offset` - --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL note: inside `ptr::const_ptr::<impl *const u32>::add` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL note: inside `R2` @@ -195,8 +193,6 @@ error[E0080]: could not evaluate static initializer | = note: out-of-bounds pointer arithmetic: allocN has size 8, so pointer to 8 bytes starting at offset 1 is out-of-bounds | -note: inside `ptr::const_ptr::<impl *const u64>::offset` - --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL note: inside `ptr::const_ptr::<impl *const u64>::add` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL note: inside `R8` |