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| author | Michael Goulet <michael@errs.io> | 2025-01-19 22:13:00 +0000 |
|---|---|---|
| committer | Michael Goulet <michael@errs.io> | 2025-01-27 23:42:47 +0000 |
| commit | 057313b7a607513d6c1aa82e454e2370025f3b9a (patch) | |
| tree | c8ebc7bdfe431a98b9c6e7dddef2f0e5644edd78 | |
| parent | 1cbb062e54e376abe8b6f146f64c0d849e30c476 (diff) | |
| download | rust-057313b7a607513d6c1aa82e454e2370025f3b9a.tar.gz rust-057313b7a607513d6c1aa82e454e2370025f3b9a.zip | |
Reapply "Auto merge of #133734 - scottmcm:lower-indexing-to-ptrmetadata, r=davidtwco,RalfJung"
This reverts commit 122a55bb442bd1995df9cf9b36e6f65ed3ef4a1d.
99 files changed, 1432 insertions, 1655 deletions
diff --git a/compiler/rustc_const_eval/src/check_consts/check.rs b/compiler/rustc_const_eval/src/check_consts/check.rs index ed34996a7a7..c3b609b642d 100644 --- a/compiler/rustc_const_eval/src/check_consts/check.rs +++ b/compiler/rustc_const_eval/src/check_consts/check.rs @@ -586,12 +586,27 @@ impl<'tcx> Visitor<'tcx> for Checker<'_, 'tcx> { ) => {} Rvalue::ShallowInitBox(_, _) => {} - Rvalue::UnaryOp(_, operand) => { + Rvalue::UnaryOp(op, operand) => { let ty = operand.ty(self.body, self.tcx); - if is_int_bool_float_or_char(ty) { - // Int, bool, float, and char operations are fine. - } else { - span_bug!(self.span, "non-primitive type in `Rvalue::UnaryOp`: {:?}", ty); + match op { + UnOp::Not | UnOp::Neg => { + if is_int_bool_float_or_char(ty) { + // Int, bool, float, and char operations are fine. + } else { + span_bug!( + self.span, + "non-primitive type in `Rvalue::UnaryOp{op:?}`: {ty:?}", + ); + } + } + UnOp::PtrMetadata => { + if !ty.is_ref() && !ty.is_unsafe_ptr() { + span_bug!( + self.span, + "non-pointer type in `Rvalue::UnaryOp({op:?})`: {ty:?}", + ); + } + } } } diff --git a/compiler/rustc_const_eval/src/interpret/step.rs b/compiler/rustc_const_eval/src/interpret/step.rs index b61865be667..a26c2eca107 100644 --- a/compiler/rustc_const_eval/src/interpret/step.rs +++ b/compiler/rustc_const_eval/src/interpret/step.rs @@ -9,6 +9,7 @@ use rustc_middle::ty::layout::FnAbiOf; use rustc_middle::ty::{self, Instance, Ty}; use rustc_middle::{bug, mir, span_bug}; use rustc_span::source_map::Spanned; +use rustc_span::{DesugaringKind, Span}; use rustc_target::callconv::FnAbi; use tracing::{info, instrument, trace}; @@ -80,7 +81,9 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { use rustc_middle::mir::StatementKind::*; match &stmt.kind { - Assign(box (place, rvalue)) => self.eval_rvalue_into_place(rvalue, *place)?, + Assign(box (place, rvalue)) => { + self.eval_rvalue_into_place(rvalue, *place, stmt.source_info.span)? + } SetDiscriminant { place, variant_index } => { let dest = self.eval_place(**place)?; @@ -159,6 +162,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { &mut self, rvalue: &mir::Rvalue<'tcx>, place: mir::Place<'tcx>, + span: Span, ) -> InterpResult<'tcx> { let dest = self.eval_place(place)?; // FIXME: ensure some kind of non-aliasing between LHS and RHS? @@ -250,8 +254,13 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { let src = self.eval_place(place)?; let place = self.force_allocation(&src)?; let mut val = ImmTy::from_immediate(place.to_ref(self), dest.layout); - if !place_base_raw { + if !place_base_raw + && span.desugaring_kind() != Some(DesugaringKind::IndexBoundsCheckReborrow) + { // If this was not already raw, it needs retagging. + // As a special hack, we exclude the desugared `PtrMetadata(&raw const *_n)` + // from indexing. (Really we should not do any retag on `&raw` but that does not + // currently work with Stacked Borrows.) val = M::retag_ptr_value(self, mir::RetagKind::Raw, &val)?; } self.write_immediate(*val, &dest)?; diff --git a/compiler/rustc_mir_build/src/builder/expr/as_place.rs b/compiler/rustc_mir_build/src/builder/expr/as_place.rs index b1851e79d5c..7634bc74fcb 100644 --- a/compiler/rustc_mir_build/src/builder/expr/as_place.rs +++ b/compiler/rustc_mir_build/src/builder/expr/as_place.rs @@ -11,7 +11,7 @@ use rustc_middle::mir::*; use rustc_middle::thir::*; use rustc_middle::ty::{self, AdtDef, CanonicalUserTypeAnnotation, Ty, Variance}; use rustc_middle::{bug, span_bug}; -use rustc_span::Span; +use rustc_span::{DesugaringKind, Span}; use tracing::{debug, instrument, trace}; use crate::builder::ForGuard::{OutsideGuard, RefWithinGuard}; @@ -630,6 +630,80 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { block.and(base_place.index(idx)) } + /// Given a place that's either an array or a slice, returns an operand + /// with the length of the array/slice. + /// + /// For arrays it'll be `Operand::Constant` with the actual length; + /// For slices it'll be `Operand::Move` of a local using `PtrMetadata`. + fn len_of_slice_or_array( + &mut self, + block: BasicBlock, + place: Place<'tcx>, + span: Span, + source_info: SourceInfo, + ) -> Operand<'tcx> { + let place_ty = place.ty(&self.local_decls, self.tcx).ty; + let usize_ty = self.tcx.types.usize; + + match place_ty.kind() { + ty::Array(_elem_ty, len_const) => { + // We know how long an array is, so just use that as a constant + // directly -- no locals needed. We do need one statement so + // that borrow- and initialization-checking consider it used, + // though. FIXME: Do we really *need* to count this as a use? + // Could partial array tracking work off something else instead? + self.cfg.push_fake_read(block, source_info, FakeReadCause::ForIndex, place); + let const_ = Const::Ty(self.tcx.types.usize, *len_const); + Operand::Constant(Box::new(ConstOperand { span, user_ty: None, const_ })) + } + ty::Slice(_elem_ty) => { + let ptr_or_ref = if let [PlaceElem::Deref] = place.projection[..] + && let local_ty = self.local_decls[place.local].ty + && local_ty.is_trivially_pure_clone_copy() + { + // It's extremely common that we have something that can be + // directly passed to `PtrMetadata`, so avoid an unnecessary + // temporary and statement in those cases. Note that we can + // only do that for `Copy` types -- not `&mut [_]` -- because + // the MIR we're building here needs to pass NLL later. + Operand::Copy(Place::from(place.local)) + } else { + let len_span = self.tcx.with_stable_hashing_context(|hcx| { + let span = source_info.span; + span.mark_with_reason( + None, + DesugaringKind::IndexBoundsCheckReborrow, + span.edition(), + hcx, + ) + }); + let ptr_ty = Ty::new_imm_ptr(self.tcx, place_ty); + let slice_ptr = self.temp(ptr_ty, span); + self.cfg.push_assign( + block, + SourceInfo { span: len_span, ..source_info }, + slice_ptr, + Rvalue::RawPtr(Mutability::Not, place), + ); + Operand::Move(slice_ptr) + }; + + let len = self.temp(usize_ty, span); + self.cfg.push_assign( + block, + source_info, + len, + Rvalue::UnaryOp(UnOp::PtrMetadata, ptr_or_ref), + ); + + Operand::Move(len) + } + _ => { + span_bug!(span, "len called on place of type {place_ty:?}") + } + } + } + fn bounds_check( &mut self, block: BasicBlock, @@ -638,25 +712,25 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { expr_span: Span, source_info: SourceInfo, ) -> BasicBlock { - let usize_ty = self.tcx.types.usize; - let bool_ty = self.tcx.types.bool; - // bounds check: - let len = self.temp(usize_ty, expr_span); - let lt = self.temp(bool_ty, expr_span); + let slice = slice.to_place(self); // len = len(slice) - self.cfg.push_assign(block, source_info, len, Rvalue::Len(slice.to_place(self))); + let len = self.len_of_slice_or_array(block, slice, expr_span, source_info); + // lt = idx < len + let bool_ty = self.tcx.types.bool; + let lt = self.temp(bool_ty, expr_span); self.cfg.push_assign( block, source_info, lt, Rvalue::BinaryOp( BinOp::Lt, - Box::new((Operand::Copy(Place::from(index)), Operand::Copy(len))), + Box::new((Operand::Copy(Place::from(index)), len.to_copy())), ), ); - let msg = BoundsCheck { len: Operand::Move(len), index: Operand::Copy(Place::from(index)) }; + let msg = BoundsCheck { len, index: Operand::Copy(Place::from(index)) }; + // assert!(lt, "...") self.assert(block, Operand::Move(lt), true, msg, expr_span) } diff --git a/compiler/rustc_mir_transform/src/instsimplify.rs b/compiler/rustc_mir_transform/src/instsimplify.rs index 4b9ebd40b85..3dc4edaaa5a 100644 --- a/compiler/rustc_mir_transform/src/instsimplify.rs +++ b/compiler/rustc_mir_transform/src/instsimplify.rs @@ -46,7 +46,6 @@ impl<'tcx> crate::MirPass<'tcx> for InstSimplify { } ctx.simplify_bool_cmp(rvalue); ctx.simplify_ref_deref(rvalue); - ctx.simplify_len(rvalue); ctx.simplify_ptr_aggregate(rvalue); ctx.simplify_cast(rvalue); ctx.simplify_repeated_aggregate(rvalue); @@ -166,18 +165,6 @@ impl<'tcx> InstSimplifyContext<'_, 'tcx> { } } - /// Transform `Len([_; N])` ==> `N`. - fn simplify_len(&self, rvalue: &mut Rvalue<'tcx>) { - if let Rvalue::Len(ref place) = *rvalue { - let place_ty = place.ty(self.local_decls, self.tcx).ty; - if let ty::Array(_, len) = *place_ty.kind() { - let const_ = Const::Ty(self.tcx.types.usize, len); - let constant = ConstOperand { span: DUMMY_SP, const_, user_ty: None }; - *rvalue = Rvalue::Use(Operand::Constant(Box::new(constant))); - } - } - } - /// Transform `Aggregate(RawPtr, [p, ()])` ==> `Cast(PtrToPtr, p)`. fn simplify_ptr_aggregate(&self, rvalue: &mut Rvalue<'tcx>) { if let Rvalue::Aggregate(box AggregateKind::RawPtr(pointee_ty, mutability), fields) = rvalue diff --git a/compiler/rustc_mir_transform/src/validate.rs b/compiler/rustc_mir_transform/src/validate.rs index 026923ad786..5881264cba5 100644 --- a/compiler/rustc_mir_transform/src/validate.rs +++ b/compiler/rustc_mir_transform/src/validate.rs @@ -1128,14 +1128,6 @@ impl<'a, 'tcx> Visitor<'tcx> for TypeChecker<'a, 'tcx> { ); } UnOp::PtrMetadata => { - if !matches!(self.body.phase, MirPhase::Runtime(_)) { - // It would probably be fine to support this in earlier phases, but at - // the time of writing it's only ever introduced from intrinsic - // lowering or other runtime-phase optimization passes, so earlier - // things can just `bug!` on it. - self.fail(location, "PtrMetadata should be in runtime MIR only"); - } - check_kinds!( a, "Cannot PtrMetadata non-pointer non-reference type {:?}", diff --git a/compiler/rustc_span/src/hygiene.rs b/compiler/rustc_span/src/hygiene.rs index a5826137181..3cdae437b7d 100644 --- a/compiler/rustc_span/src/hygiene.rs +++ b/compiler/rustc_span/src/hygiene.rs @@ -1163,6 +1163,9 @@ pub enum DesugaringKind { WhileLoop, /// `async Fn()` bound modifier BoundModifier, + /// Marks a `&raw const *_1` needed as part of getting the length of a mutable + /// slice for the bounds check, so that MIRI's retag handling can recognize it. + IndexBoundsCheckReborrow, } impl DesugaringKind { @@ -1179,6 +1182,7 @@ impl DesugaringKind { DesugaringKind::ForLoop => "`for` loop", DesugaringKind::WhileLoop => "`while` loop", DesugaringKind::BoundModifier => "trait bound modifier", + DesugaringKind::IndexBoundsCheckReborrow => "slice indexing", } } } diff --git a/tests/mir-opt/array_index_is_temporary.main.SimplifyCfg-pre-optimizations.after.panic-abort.mir b/tests/mir-opt/array_index_is_temporary.main.SimplifyCfg-pre-optimizations.after.panic-abort.mir index a467987e886..8d9176ef301 100644 --- a/tests/mir-opt/array_index_is_temporary.main.SimplifyCfg-pre-optimizations.after.panic-abort.mir +++ b/tests/mir-opt/array_index_is_temporary.main.SimplifyCfg-pre-optimizations.after.panic-abort.mir @@ -7,8 +7,7 @@ fn main() -> () { let mut _5: u32; let mut _6: *mut usize; let _7: usize; - let mut _8: usize; - let mut _9: bool; + let mut _8: bool; scope 1 { debug x => _1; let mut _2: usize; @@ -41,9 +40,8 @@ fn main() -> () { StorageDead(_6); StorageLive(_7); _7 = copy _2; - _8 = Len(_1); - _9 = Lt(copy _7, copy _8); - assert(move _9, "index out of bounds: the length is {} but the index is {}", move _8, copy _7) -> [success: bb2, unwind unreachable]; + _8 = Lt(copy _7, const 3_usize); + assert(move _8, "index out of bounds: the length is {} but the index is {}", const 3_usize, copy _7) -> [success: bb2, unwind unreachable]; } bb2: { diff --git a/tests/mir-opt/array_index_is_temporary.main.SimplifyCfg-pre-optimizations.after.panic-unwind.mir b/tests/mir-opt/array_index_is_temporary.main.SimplifyCfg-pre-optimizations.after.panic-unwind.mir index bd7365543bd..e1df0e3e2a3 100644 --- a/tests/mir-opt/array_index_is_temporary.main.SimplifyCfg-pre-optimizations.after.panic-unwind.mir +++ b/tests/mir-opt/array_index_is_temporary.main.SimplifyCfg-pre-optimizations.after.panic-unwind.mir @@ -7,8 +7,7 @@ fn main() -> () { let mut _5: u32; let mut _6: *mut usize; let _7: usize; - let mut _8: usize; - let mut _9: bool; + let mut _8: bool; scope 1 { debug x => _1; let mut _2: usize; @@ -41,9 +40,8 @@ fn main() -> () { StorageDead(_6); StorageLive(_7); _7 = copy _2; - _8 = Len(_1); - _9 = Lt(copy _7, copy _8); - assert(move _9, "index out of bounds: the length is {} but the index is {}", move _8, copy _7) -> [success: bb2, unwind continue]; + _8 = Lt(copy _7, const 3_usize); + assert(move _8, "index out of bounds: the length is {} but the index is {}", const 3_usize, copy _7) -> [success: bb2, unwind continue]; } bb2: { diff --git a/tests/mir-opt/building/index_array_and_slice.index_array.built.after.mir b/tests/mir-opt/building/index_array_and_slice.index_array.built.after.mir new file mode 100644 index 00000000000..d28a2031013 --- /dev/null +++ b/tests/mir-opt/building/index_array_and_slice.index_array.built.after.mir @@ -0,0 +1,31 @@ +// MIR for `index_array` after built + +fn index_array(_1: &[i32; 7], _2: usize) -> &i32 { + debug array => _1; + debug index => _2; + let mut _0: &i32; + let _3: &i32; + let _4: usize; + let mut _5: bool; + + bb0: { + StorageLive(_3); + StorageLive(_4); + _4 = copy _2; + FakeRead(ForIndex, (*_1)); + _5 = Lt(copy _4, const 7_usize); + assert(move _5, "index out of bounds: the length is {} but the index is {}", const 7_usize, copy _4) -> [success: bb1, unwind: bb2]; + } + + bb1: { + _3 = &(*_1)[_4]; + _0 = &(*_3); + StorageDead(_4); + StorageDead(_3); + return; + } + + bb2 (cleanup): { + resume; + } +} diff --git a/tests/mir-opt/building/index_array_and_slice.index_const_generic_array.built.after.mir b/tests/mir-opt/building/index_array_and_slice.index_const_generic_array.built.after.mir new file mode 100644 index 00000000000..e9627532c38 --- /dev/null +++ b/tests/mir-opt/building/index_array_and_slice.index_const_generic_array.built.after.mir @@ -0,0 +1,31 @@ +// MIR for `index_const_generic_array` after built + +fn index_const_generic_array(_1: &[i32; N], _2: usize) -> &i32 { + debug array => _1; + debug index => _2; + let mut _0: &i32; + let _3: &i32; + let _4: usize; + let mut _5: bool; + + bb0: { + StorageLive(_3); + StorageLive(_4); + _4 = copy _2; + FakeRead(ForIndex, (*_1)); + _5 = Lt(copy _4, const N); + assert(move _5, "index out of bounds: the length is {} but the index is {}", const N, copy _4) -> [success: bb1, unwind: bb2]; + } + + bb1: { + _3 = &(*_1)[_4]; + _0 = &(*_3); + StorageDead(_4); + StorageDead(_3); + return; + } + + bb2 (cleanup): { + resume; + } +} diff --git a/tests/mir-opt/building/index_array_and_slice.index_custom.built.after.mir b/tests/mir-opt/building/index_array_and_slice.index_custom.built.after.mir new file mode 100644 index 00000000000..00f2b7e07d5 --- /dev/null +++ b/tests/mir-opt/building/index_array_and_slice.index_custom.built.after.mir @@ -0,0 +1,34 @@ +// MIR for `index_custom` after built + +fn index_custom(_1: &WithSliceTail, _2: usize) -> &i32 { + debug custom => _1; + debug index => _2; + let mut _0: &i32; + let _3: &i32; + let _4: usize; + let mut _5: *const [i32]; + let mut _6: usize; + let mut _7: bool; + + bb0: { + StorageLive(_3); + StorageLive(_4); + _4 = copy _2; + _5 = &raw const ((*_1).1: [i32]); + _6 = PtrMetadata(move _5); + _7 = Lt(copy _4, copy _6); + assert(move _7, "index out of bounds: the length is {} but the index is {}", move _6, copy _4) -> [success: bb1, unwind: bb2]; + } + + bb1: { + _3 = &((*_1).1: [i32])[_4]; + _0 = &(*_3); + StorageDead(_4); + StorageDead(_3); + return; + } + + bb2 (cleanup): { + resume; + } +} diff --git a/tests/mir-opt/building/index_array_and_slice.index_mut_slice.built.after.mir b/tests/mir-opt/building/index_array_and_slice.index_mut_slice.built.after.mir new file mode 100644 index 00000000000..cb0b2f600c8 --- /dev/null +++ b/tests/mir-opt/building/index_array_and_slice.index_mut_slice.built.after.mir @@ -0,0 +1,34 @@ +// MIR for `index_mut_slice` after built + +fn index_mut_slice(_1: &mut [i32], _2: usize) -> &i32 { + debug slice => _1; + debug index => _2; + let mut _0: &i32; + let _3: &i32; + let _4: usize; + let mut _5: *const [i32]; + let mut _6: usize; + let mut _7: bool; + + bb0: { + StorageLive(_3); + StorageLive(_4); + _4 = copy _2; + _5 = &raw const (*_1); + _6 = PtrMetadata(move _5); + _7 = Lt(copy _4, copy _6); + assert(move _7, "index out of bounds: the length is {} but the index is {}", move _6, copy _4) -> [success: bb1, unwind: bb2]; + } + + bb1: { + _3 = &(*_1)[_4]; + _0 = &(*_3); + StorageDead(_4); + StorageDead(_3); + return; + } + + bb2 (cleanup): { + resume; + } +} diff --git a/tests/mir-opt/building/index_array_and_slice.index_slice.built.after.mir b/tests/mir-opt/building/index_array_and_slice.index_slice.built.after.mir new file mode 100644 index 00000000000..0911df59049 --- /dev/null +++ b/tests/mir-opt/building/index_array_and_slice.index_slice.built.after.mir @@ -0,0 +1,32 @@ +// MIR for `index_slice` after built + +fn index_slice(_1: &[i32], _2: usize) -> &i32 { + debug slice => _1; + debug index => _2; + let mut _0: &i32; + let _3: &i32; + let _4: usize; + let mut _5: usize; + let mut _6: bool; + + bb0: { + StorageLive(_3); + StorageLive(_4); + _4 = copy _2; + _5 = PtrMetadata(copy _1); + _6 = Lt(copy _4, copy _5); + assert(move _6, "index out of bounds: the length is {} but the index is {}", move _5, copy _4) -> [success: bb1, unwind: bb2]; + } + + bb1: { + _3 = &(*_1)[_4]; + _0 = &(*_3); + StorageDead(_4); + StorageDead(_3); + return; + } + + bb2 (cleanup): { + resume; + } +} diff --git a/tests/mir-opt/building/index_array_and_slice.rs b/tests/mir-opt/building/index_array_and_slice.rs new file mode 100644 index 00000000000..16d0b983132 --- /dev/null +++ b/tests/mir-opt/building/index_array_and_slice.rs @@ -0,0 +1,71 @@ +//@ compile-flags: -C opt-level=0 + +// EMIT_MIR index_array_and_slice.index_array.built.after.mir +fn index_array(array: &[i32; 7], index: usize) -> &i32 { + // CHECK: bb0: + // CHECK: [[LT:_.+]] = Lt(copy _2, const 7_usize); + // CHECK: assert(move [[LT]], "index out of bounds{{.+}}", const 7_usize, copy _2) -> [success: bb1, unwind + + // CHECK: bb1: + // CHECK: _0 = &(*_1)[_2]; + &array[index] +} + +// EMIT_MIR index_array_and_slice.index_const_generic_array.built.after.mir +fn index_const_generic_array<const N: usize>(array: &[i32; N], index: usize) -> &i32 { + // CHECK: bb0: + // CHECK: [[LT:_.+]] = Lt(copy _2, const N); + // CHECK: assert(move [[LT]], "index out of bounds{{.+}}", const N, copy _2) -> [success: bb1, unwind + + // CHECK: bb1: + // CHECK: _0 = &(*_1)[_2]; + &array[index] +} + +// EMIT_MIR index_array_and_slice.index_slice.built.after.mir +fn index_slice(slice: &[i32], index: usize) -> &i32 { + // CHECK: bb0: + // CHECK: [[LEN:_.+]] = PtrMetadata(copy _1); + // CHECK: [[LT:_.+]] = Lt(copy _2, copy [[LEN]]); + // CHECK: assert(move [[LT]], "index out of bounds{{.+}}", move [[LEN]], copy _2) -> [success: bb1, + + // CHECK: bb1: + // CHECK: _0 = &(*_1)[_2]; + &slice[index] +} + +// EMIT_MIR index_array_and_slice.index_mut_slice.built.after.mir +fn index_mut_slice(slice: &mut [i32], index: usize) -> &i32 { + // While the filecheck here is identical to the above test, the emitted MIR is different. + // This cannot `copy _1` in the *built* MIR, only in the *runtime* MIR. + + // CHECK: bb0: + // CHECK: [[LEN:_.+]] = PtrMetadata(copy _1); + // CHECK: [[LT:_.+]] = Lt(copy _2, copy [[LEN]]); + // CHECK: assert(move [[LT]], "index out of bounds{{.+}}", move [[LEN]], copy _2) -> [success: bb1, + + // CHECK: bb1: + // CHECK: _0 = &(*_1)[_2]; + &slice[index] +} + +struct WithSliceTail(f64, [i32]); + +// EMIT_MIR index_array_and_slice.index_custom.built.after.mir +fn index_custom(custom: &WithSliceTail, index: usize) -> &i32 { + // CHECK: bb0: + // CHECK: [[PTR:_.+]] = &raw const ((*_1).1: [i32]); + // CHECK: [[LEN:_.+]] = PtrMetadata(move [[PTR]]); + // CHECK: [[LT:_.+]] = Lt(copy _2, copy [[LEN]]); + // CHECK: assert(move [[LT]], "index out of bounds{{.+}}", move [[LEN]], copy _2) -> [success: bb1, + + // CHECK: bb1: + // CHECK: _0 = &((*_1).1: [i32])[_2]; + &custom.1[index] +} + +fn main() { + index_array(&[1, 2, 3, 4, 5, 6, 7], 3); + index_slice(&[1, 2, 3, 4, 5, 6, 7][..], 3); + _ = index_custom; +} diff --git a/tests/mir-opt/const_prop/array_index.main.GVN.32bit.panic-abort.diff b/tests/mir-opt/const_prop/array_index.main.GVN.32bit.panic-abort.diff index e754af95ce3..3a5a8d00991 100644 --- a/tests/mir-opt/const_prop/array_index.main.GVN.32bit.panic-abort.diff +++ b/tests/mir-opt/const_prop/array_index.main.GVN.32bit.panic-abort.diff @@ -6,8 +6,7 @@ let _1: u32; let mut _2: [u32; 4]; let _3: usize; - let mut _4: usize; - let mut _5: bool; + let mut _4: bool; scope 1 { debug x => _1; } @@ -18,11 +17,9 @@ _2 = [const 0_u32, const 1_u32, const 2_u32, const 3_u32]; StorageLive(_3); _3 = const 2_usize; -- _4 = Len(_2); -- _5 = Lt(copy _3, copy _4); -- assert(move _5, "index out of bounds: the length is {} but the index is {}", move _4, copy _3) -> [success: bb1, unwind unreachable]; -+ _4 = const 4_usize; -+ _5 = const true; +- _4 = Lt(copy _3, const 4_usize); +- assert(move _4, "index out of bounds: the length is {} but the index is {}", const 4_usize, copy _3) -> [success: bb1, unwind unreachable]; ++ _4 = const true; + assert(const true, "index out of bounds: the length is {} but the index is {}", const 4_usize, const 2_usize) -> [success: bb1, unwind unreachable]; } diff --git a/tests/mir-opt/const_prop/array_index.main.GVN.32bit.panic-unwind.diff b/tests/mir-opt/const_prop/array_index.main.GVN.32bit.panic-unwind.diff index e15a35c7fe9..62d6e6007e5 100644 --- a/tests/mir-opt/const_prop/array_index.main.GVN.32bit.panic-unwind.diff +++ b/tests/mir-opt/const_prop/array_index.main.GVN.32bit.panic-unwind.diff @@ -6,8 +6,7 @@ let _1: u32; let mut _2: [u32; 4]; let _3: usize; - let mut _4: usize; - let mut _5: bool; + let mut _4: bool; scope 1 { debug x => _1; } @@ -18,11 +17,9 @@ _2 = [const 0_u32, const 1_u32, const 2_u32, const 3_u32]; StorageLive(_3); _3 = const 2_usize; -- _4 = Len(_2); -- _5 = Lt(copy _3, copy _4); -- assert(move _5, "index out of bounds: the length is {} but the index is {}", move _4, copy _3) -> [success: bb1, unwind continue]; -+ _4 = const 4_usize; -+ _5 = const true; +- _4 = Lt(copy _3, const 4_usize); +- assert(move _4, "index out of bounds: the length is {} but the index is {}", const 4_usize, copy _3) -> [success: bb1, unwind continue]; ++ _4 = const true; + assert(const true, "index out of bounds: the length is {} but the index is {}", const 4_usize, const 2_usize) -> [success: bb1, unwind continue]; } diff --git a/tests/mir-opt/const_prop/array_index.main.GVN.64bit.panic-abort.diff b/tests/mir-opt/const_prop/array_index.main.GVN.64bit.panic-abort.diff index e754af95ce3..3a5a8d00991 100644 --- a/tests/mir-opt/const_prop/array_index.main.GVN.64bit.panic-abort.diff +++ b/tests/mir-opt/const_prop/array_index.main.GVN.64bit.panic-abort.diff @@ -6,8 +6,7 @@ let _1: u32; let mut _2: [u32; 4]; let _3: usize; - let mut _4: usize; - let mut _5: bool; + let mut _4: bool; scope 1 { debug x => _1; } @@ -18,11 +17,9 @@ _2 = [const 0_u32, const 1_u32, const 2_u32, const 3_u32]; StorageLive(_3); _3 = const 2_usize; -- _4 = Len(_2); -- _5 = Lt(copy _3, copy _4); -- assert(move _5, "index out of bounds: the length is {} but the index is {}", move _4, copy _3) -> [success: bb1, unwind unreachable]; -+ _4 = const 4_usize; -+ _5 = const true; +- _4 = Lt(copy _3, const 4_usize); +- assert(move _4, "index out of bounds: the length is {} but the index is {}", const 4_usize, copy _3) -> [success: bb1, unwind unreachable]; ++ _4 = const true; + assert(const true, "index out of bounds: the length is {} but the index is {}", const 4_usize, const 2_usize) -> [success: bb1, unwind unreachable]; } diff --git a/tests/mir-opt/const_prop/array_index.main.GVN.64bit.panic-unwind.diff b/tests/mir-opt/const_prop/array_index.main.GVN.64bit.panic-unwind.diff index e15a35c7fe9..62d6e6007e5 100644 --- a/tests/mir-opt/const_prop/array_index.main.GVN.64bit.panic-unwind.diff +++ b/tests/mir-opt/const_prop/array_index.main.GVN.64bit.panic-unwind.diff @@ -6,8 +6,7 @@ let _1: u32; let mut _2: [u32; 4]; let _3: usize; - let mut _4: usize; - let mut _5: bool; + let mut _4: bool; scope 1 { debug x => _1; } @@ -18,11 +17,9 @@ _2 = [const 0_u32, const 1_u32, const 2_u32, const 3_u32]; StorageLive(_3); _3 = const 2_usize; -- _4 = Len(_2); -- _5 = Lt(copy _3, copy _4); -- assert(move _5, "index out of bounds: the length is {} but the index is {}", move _4, copy _3) -> [success: bb1, unwind continue]; -+ _4 = const 4_usize; -+ _5 = const true; +- _4 = Lt(copy _3, const 4_usize); +- assert(move _4, "index out of bounds: the length is {} but the index is {}", const 4_usize, copy _3) -> [success: bb1, unwind continue]; ++ _4 = const true; + assert(const true, "index out of bounds: the length is {} but the index is {}", const 4_usize, const 2_usize) -> [success: bb1, unwind continue]; } diff --git a/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.GVN.32bit.panic-abort.diff b/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.GVN.32bit.panic-abort.diff index 15d30140367..b7cb37a335f 100644 --- a/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.GVN.32bit.panic-abort.diff +++ b/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.GVN.32bit.panic-abort.diff @@ -32,11 +32,12 @@ StorageLive(_5); StorageLive(_6); _6 = const 3_usize; - _7 = Len((*_1)); +- _7 = PtrMetadata(copy _1); - _8 = Lt(copy _6, copy _7); - assert(move _8, "index out of bounds: the length is {} but the index is {}", move _7, copy _6) -> [success: bb1, unwind unreachable]; -+ _8 = Lt(const 3_usize, copy _7); -+ assert(move _8, "index out of bounds: the length is {} but the index is {}", move _7, const 3_usize) -> [success: bb1, unwind unreachable]; ++ _7 = const 3_usize; ++ _8 = const false; ++ assert(const false, "index out of bounds: the length is {} but the index is {}", const 3_usize, const 3_usize) -> [success: bb1, unwind unreachable]; } bb1: { diff --git a/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.GVN.32bit.panic-unwind.diff b/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.GVN.32bit.panic-unwind.diff index dd411d84f9f..50388cbac36 100644 --- a/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.GVN.32bit.panic-unwind.diff +++ b/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.GVN.32bit.panic-unwind.diff @@ -32,11 +32,12 @@ StorageLive(_5); StorageLive(_6); _6 = const 3_usize; - _7 = Len((*_1)); +- _7 = PtrMetadata(copy _1); - _8 = Lt(copy _6, copy _7); - assert(move _8, "index out of bounds: the length is {} but the index is {}", move _7, copy _6) -> [success: bb1, unwind continue]; -+ _8 = Lt(const 3_usize, copy _7); -+ assert(move _8, "index out of bounds: the length is {} but the index is {}", move _7, const 3_usize) -> [success: bb1, unwind continue]; ++ _7 = const 3_usize; ++ _8 = const false; ++ assert(const false, "index out of bounds: the length is {} but the index is {}", const 3_usize, const 3_usize) -> [success: bb1, unwind continue]; } bb1: { diff --git a/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.GVN.64bit.panic-abort.diff b/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.GVN.64bit.panic-abort.diff index 15d30140367..b7cb37a335f 100644 --- a/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.GVN.64bit.panic-abort.diff +++ b/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.GVN.64bit.panic-abort.diff @@ -32,11 +32,12 @@ StorageLive(_5); StorageLive(_6); _6 = const 3_usize; - _7 = Len((*_1)); +- _7 = PtrMetadata(copy _1); - _8 = Lt(copy _6, copy _7); - assert(move _8, "index out of bounds: the length is {} but the index is {}", move _7, copy _6) -> [success: bb1, unwind unreachable]; -+ _8 = Lt(const 3_usize, copy _7); -+ assert(move _8, "index out of bounds: the length is {} but the index is {}", move _7, const 3_usize) -> [success: bb1, unwind unreachable]; ++ _7 = const 3_usize; ++ _8 = const false; ++ assert(const false, "index out of bounds: the length is {} but the index is {}", const 3_usize, const 3_usize) -> [success: bb1, unwind unreachable]; } bb1: { diff --git a/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.GVN.64bit.panic-unwind.diff b/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.GVN.64bit.panic-unwind.diff index dd411d84f9f..50388cbac36 100644 --- a/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.GVN.64bit.panic-unwind.diff +++ b/tests/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.GVN.64bit.panic-unwind.diff @@ -32,11 +32,12 @@ StorageLive(_5); StorageLive(_6); _6 = const 3_usize; - _7 = Len((*_1)); +- _7 = PtrMetadata(copy _1); - _8 = Lt(copy _6, copy _7); - assert(move _8, "index out of bounds: the length is {} but the index is {}", move _7, copy _6) -> [success: bb1, unwind continue]; -+ _8 = Lt(const 3_usize, copy _7); -+ assert(move _8, "index out of bounds: the length is {} but the index is {}", move _7, const 3_usize) -> [success: bb1, unwind continue]; ++ _7 = const 3_usize; ++ _8 = const false; ++ assert(const false, "index out of bounds: the length is {} but the index is {}", const 3_usize, const 3_usize) -> [success: bb1, unwind continue]; } bb1: { diff --git a/tests/mir-opt/const_prop/large_array_index.main.GVN.32bit.panic-abort.diff b/tests/mir-opt/const_prop/large_array_index.main.GVN.32bit.panic-abort.diff index 49ea51deed6..3569998b13f 100644 --- a/tests/mir-opt/const_prop/large_array_index.main.GVN.32bit.panic-abort.diff +++ b/tests/mir-opt/const_prop/large_array_index.main.GVN.32bit.panic-abort.diff @@ -6,8 +6,7 @@ let _1: u8; let mut _2: [u8; 5000]; let _3: usize; - let mut _4: usize; - let mut _5: bool; + let mut _4: bool; scope 1 { debug x => _1; } @@ -18,11 +17,9 @@ _2 = [const 0_u8; 5000]; StorageLive(_3); _3 = const 2_usize; -- _4 = Len(_2); -- _5 = Lt(copy _3, copy _4); -- assert(move _5, "index out of bounds: the length is {} but the index is {}", move _4, copy _3) -> [success: bb1, unwind unreachable]; -+ _4 = const 5000_usize; -+ _5 = const true; +- _4 = Lt(copy _3, const 5000_usize); +- assert(move _4, "index out of bounds: the length is {} but the index is {}", const 5000_usize, copy _3) -> [success: bb1, unwind unreachable]; ++ _4 = const true; + assert(const true, "index out of bounds: the length is {} but the index is {}", const 5000_usize, const 2_usize) -> [success: bb1, unwind unreachable]; } diff --git a/tests/mir-opt/const_prop/large_array_index.main.GVN.32bit.panic-unwind.diff b/tests/mir-opt/const_prop/large_array_index.main.GVN.32bit.panic-unwind.diff index 103bfbcaf64..50b31c9ac13 100644 --- a/tests/mir-opt/const_prop/large_array_index.main.GVN.32bit.panic-unwind.diff +++ b/tests/mir-opt/const_prop/large_array_index.main.GVN.32bit.panic-unwind.diff @@ -6,8 +6,7 @@ let _1: u8; let mut _2: [u8; 5000]; let _3: usize; - let mut _4: usize; - let mut _5: bool; + let mut _4: bool; scope 1 { debug x => _1; } @@ -18,11 +17,9 @@ _2 = [const 0_u8; 5000]; StorageLive(_3); _3 = const 2_usize; -- _4 = Len(_2); -- _5 = Lt(copy _3, copy _4); -- assert(move _5, "index out of bounds: the length is {} but the index is {}", move _4, copy _3) -> [success: bb1, unwind continue]; -+ _4 = const 5000_usize; -+ _5 = const true; +- _4 = Lt(copy _3, const 5000_usize); +- assert(move _4, "index out of bounds: the length is {} but the index is {}", const 5000_usize, copy _3) -> [success: bb1, unwind continue]; ++ _4 = const true; + assert(const true, "index out of bounds: the length is {} but the index is {}", const 5000_usize, const 2_usize) -> [success: bb1, unwind continue]; } diff --git a/tests/mir-opt/const_prop/large_array_index.main.GVN.64bit.panic-abort.diff b/tests/mir-opt/const_prop/large_array_index.main.GVN.64bit.panic-abort.diff index 49ea51deed6..3569998b13f 100644 --- a/tests/mir-opt/const_prop/large_array_index.main.GVN.64bit.panic-abort.diff +++ b/tests/mir-opt/const_prop/large_array_index.main.GVN.64bit.panic-abort.diff @@ -6,8 +6,7 @@ let _1: u8; let mut _2: [u8; 5000]; let _3: usize; - let mut _4: usize; - let mut _5: bool; + let mut _4: bool; scope 1 { debug x => _1; } @@ -18,11 +17,9 @@ _2 = [const 0_u8; 5000]; StorageLive(_3); _3 = const 2_usize; -- _4 = Len(_2); -- _5 = Lt(copy _3, copy _4); -- assert(move _5, "index out of bounds: the length is {} but the index is {}", move _4, copy _3) -> [success: bb1, unwind unreachable]; -+ _4 = const 5000_usize; -+ _5 = const true; +- _4 = Lt(copy _3, const 5000_usize); +- assert(move _4, "index out of bounds: the length is {} but the index is {}", const 5000_usize, copy _3) -> [success: bb1, unwind unreachable]; ++ _4 = const true; + assert(const true, "index out of bounds: the length is {} but the index is {}", const 5000_usize, const 2_usize) -> [success: bb1, unwind unreachable]; } diff --git a/tests/mir-opt/const_prop/large_array_index.main.GVN.64bit.panic-unwind.diff b/tests/mir-opt/const_prop/large_array_index.main.GVN.64bit.panic-unwind.diff index 103bfbcaf64..50b31c9ac13 100644 --- a/tests/mir-opt/const_prop/large_array_index.main.GVN.64bit.panic-unwind.diff +++ b/tests/mir-opt/const_prop/large_array_index.main.GVN.64bit.panic-unwind.diff @@ -6,8 +6,7 @@ let _1: u8; let mut _2: [u8; 5000]; let _3: usize; - let mut _4: usize; - let mut _5: bool; + let mut _4: bool; scope 1 { debug x => _1; } @@ -18,11 +17,9 @@ _2 = [const 0_u8; 5000]; StorageLive(_3); _3 = const 2_usize; -- _4 = Len(_2); -- _5 = Lt(copy _3, copy _4); -- assert(move _5, "index out of bounds: the length is {} but the index is {}", move _4, copy _3) -> [success: bb1, unwind continue]; -+ _4 = const 5000_usize; -+ _5 = const true; +- _4 = Lt(copy _3, const 5000_usize); +- assert(move _4, "index out of bounds: the length is {} but the index is {}", const 5000_usize, copy _3) -> [success: bb1, unwind continue]; ++ _4 = const true; + assert(const true, "index out of bounds: the length is {} but the index is {}", const 5000_usize, const 2_usize) -> [success: bb1, unwind continue]; } diff --git a/tests/mir-opt/const_prop/repeat.main.GVN.32bit.panic-abort.diff b/tests/mir-opt/const_prop/repeat.main.GVN.32bit.panic-abort.diff index f7c1c2da01f..a41668b6fa3 100644 --- a/tests/mir-opt/const_prop/repeat.main.GVN.32bit.panic-abort.diff +++ b/tests/mir-opt/const_prop/repeat.main.GVN.32bit.panic-abort.diff @@ -7,8 +7,7 @@ let mut _2: u32; let mut _3: [u32; 8]; let _4: usize; - let mut _5: usize; - let mut _6: bool; + let mut _5: bool; scope 1 { debug x => _1; } @@ -20,11 +19,9 @@ _3 = [const 42_u32; 8]; StorageLive(_4); _4 = const 2_usize; -- _5 = Len(_3); -- _6 = Lt(copy _4, copy _5); -- assert(move _6, "index out of bounds: the length is {} but the index is {}", move _5, copy _4) -> [success: bb1, unwind unreachable]; -+ _5 = const 8_usize; -+ _6 = const true; +- _5 = Lt(copy _4, const 8_usize); +- assert(move _5, "index out of bounds: the length is {} but the index is {}", const 8_usize, copy _4) -> [success: bb1, unwind unreachable]; ++ _5 = const true; + assert(const true, "index out of bounds: the length is {} but the index is {}", const 8_usize, const 2_usize) -> [success: bb1, unwind unreachable]; } diff --git a/tests/mir-opt/const_prop/repeat.main.GVN.32bit.panic-unwind.diff b/tests/mir-opt/const_prop/repeat.main.GVN.32bit.panic-unwind.diff index 436773c8556..2313084b49e 100644 --- a/tests/mir-opt/const_prop/repeat.main.GVN.32bit.panic-unwind.diff +++ b/tests/mir-opt/const_prop/repeat.main.GVN.32bit.panic-unwind.diff @@ -7,8 +7,7 @@ let mut _2: u32; let mut _3: [u32; 8]; let _4: usize; - let mut _5: usize; - let mut _6: bool; + let mut _5: bool; scope 1 { debug x => _1; } @@ -20,11 +19,9 @@ _3 = [const 42_u32; 8]; StorageLive(_4); _4 = const 2_usize; -- _5 = Len(_3); -- _6 = Lt(copy _4, copy _5); -- assert(move _6, "index out of bounds: the length is {} but the index is {}", move _5, copy _4) -> [success: bb1, unwind continue]; -+ _5 = const 8_usize; -+ _6 = const true; +- _5 = Lt(copy _4, const 8_usize); +- assert(move _5, "index out of bounds: the length is {} but the index is {}", const 8_usize, copy _4) -> [success: bb1, unwind continue]; ++ _5 = const true; + assert(const true, "index out of bounds: the length is {} but the index is {}", const 8_usize, const 2_usize) -> [success: bb1, unwind continue]; } diff --git a/tests/mir-opt/const_prop/repeat.main.GVN.64bit.panic-abort.diff b/tests/mir-opt/const_prop/repeat.main.GVN.64bit.panic-abort.diff index f7c1c2da01f..a41668b6fa3 100644 --- a/tests/mir-opt/const_prop/repeat.main.GVN.64bit.panic-abort.diff +++ b/tests/mir-opt/const_prop/repeat.main.GVN.64bit.panic-abort.diff @@ -7,8 +7,7 @@ let mut _2: u32; let mut _3: [u32; 8]; let _4: usize; - let mut _5: usize; - let mut _6: bool; + let mut _5: bool; scope 1 { debug x => _1; } @@ -20,11 +19,9 @@ _3 = [const 42_u32; 8]; StorageLive(_4); _4 = const 2_usize; -- _5 = Len(_3); -- _6 = Lt(copy _4, copy _5); -- assert(move _6, "index out of bounds: the length is {} but the index is {}", move _5, copy _4) -> [success: bb1, unwind unreachable]; -+ _5 = const 8_usize; -+ _6 = const true; +- _5 = Lt(copy _4, const 8_usize); +- assert(move _5, "index out of bounds: the length is {} but the index is {}", const 8_usize, copy _4) -> [success: bb1, unwind unreachable]; ++ _5 = const true; + assert(const true, "index out of bounds: the length is {} but the index is {}", const 8_usize, const 2_usize) -> [success: bb1, unwind unreachable]; } diff --git a/tests/mir-opt/const_prop/repeat.main.GVN.64bit.panic-unwind.diff b/tests/mir-opt/const_prop/repeat.main.GVN.64bit.panic-unwind.diff index 436773c8556..2313084b49e 100644 --- a/tests/mir-opt/const_prop/repeat.main.GVN.64bit.panic-unwind.diff +++ b/tests/mir-opt/const_prop/repeat.main.GVN.64bit.panic-unwind.diff @@ -7,8 +7,7 @@ let mut _2: u32; let mut _3: [u32; 8]; let _4: usize; - let mut _5: usize; - let mut _6: bool; + let mut _5: bool; scope 1 { debug x => _1; } @@ -20,11 +19,9 @@ _3 = [const 42_u32; 8]; StorageLive(_4); _4 = const 2_usize; -- _5 = Len(_3); -- _6 = Lt(copy _4, copy _5); -- assert(move _6, "index out of bounds: the length is {} but the index is {}", move _5, copy _4) -> [success: bb1, unwind continue]; -+ _5 = const 8_usize; -+ _6 = const true; +- _5 = Lt(copy _4, const 8_usize); +- assert(move _5, "index out of bounds: the length is {} but the index is {}", const 8_usize, copy _4) -> [success: bb1, unwind continue]; ++ _5 = const true; + assert(const true, "index out of bounds: the length is {} but the index is {}", const 8_usize, const 2_usize) -> [success: bb1, unwind continue]; } diff --git a/tests/mir-opt/const_prop/slice_len.main.GVN.32bit.panic-abort.diff b/tests/mir-opt/const_prop/slice_len.main.GVN.32bit.panic-abort.diff index 8a8ea5b7e20..0798b303929 100644 --- a/tests/mir-opt/const_prop/slice_len.main.GVN.32bit.panic-abort.diff +++ b/tests/mir-opt/const_prop/slice_len.main.GVN.32bit.panic-abort.diff @@ -30,11 +30,12 @@ StorageDead(_3); StorageLive(_6); _6 = const 1_usize; - _7 = Len((*_2)); +- _7 = PtrMetadata(copy _2); - _8 = Lt(copy _6, copy _7); - assert(move _8, "index out of bounds: the length is {} but the index is {}", move _7, copy _6) -> [success: bb1, unwind unreachable]; -+ _8 = Lt(const 1_usize, copy _7); -+ assert(move _8, "index out of bounds: the length is {} but the index is {}", move _7, const 1_usize) -> [success: bb1, unwind unreachable]; ++ _7 = const 3_usize; ++ _8 = const true; ++ assert(const true, "index out of bounds: the length is {} but the index is {}", const 3_usize, const 1_usize) -> [success: bb1, unwind unreachable]; } bb1: { diff --git a/tests/mir-opt/const_prop/slice_len.main.GVN.32bit.panic-unwind.diff b/tests/mir-opt/const_prop/slice_len.main.GVN.32bit.panic-unwind.diff index f0c844884f6..c0b3d4d3219 100644 --- a/tests/mir-opt/const_prop/slice_len.main.GVN.32bit.panic-unwind.diff +++ b/tests/mir-opt/const_prop/slice_len.main.GVN.32bit.panic-unwind.diff @@ -30,11 +30,12 @@ StorageDead(_3); StorageLive(_6); _6 = const 1_usize; - _7 = Len((*_2)); +- _7 = PtrMetadata(copy _2); - _8 = Lt(copy _6, copy _7); - assert(move _8, "index out of bounds: the length is {} but the index is {}", move _7, copy _6) -> [success: bb1, unwind continue]; -+ _8 = Lt(const 1_usize, copy _7); -+ assert(move _8, "index out of bounds: the length is {} but the index is {}", move _7, const 1_usize) -> [success: bb1, unwind continue]; ++ _7 = const 3_usize; ++ _8 = const true; ++ assert(const true, "index out of bounds: the length is {} but the index is {}", const 3_usize, const 1_usize) -> [success: bb1, unwind continue]; } bb1: { diff --git a/tests/mir-opt/const_prop/slice_len.main.GVN.64bit.panic-abort.diff b/tests/mir-opt/const_prop/slice_len.main.GVN.64bit.panic-abort.diff index 8a8ea5b7e20..0798b303929 100644 --- a/tests/mir-opt/const_prop/slice_len.main.GVN.64bit.panic-abort.diff +++ b/tests/mir-opt/const_prop/slice_len.main.GVN.64bit.panic-abort.diff @@ -30,11 +30,12 @@ StorageDead(_3); StorageLive(_6); _6 = const 1_usize; - _7 = Len((*_2)); +- _7 = PtrMetadata(copy _2); - _8 = Lt(copy _6, copy _7); - assert(move _8, "index out of bounds: the length is {} but the index is {}", move _7, copy _6) -> [success: bb1, unwind unreachable]; -+ _8 = Lt(const 1_usize, copy _7); -+ assert(move _8, "index out of bounds: the length is {} but the index is {}", move _7, const 1_usize) -> [success: bb1, unwind unreachable]; ++ _7 = const 3_usize; ++ _8 = const true; ++ assert(const true, "index out of bounds: the length is {} but the index is {}", const 3_usize, const 1_usize) -> [success: bb1, unwind unreachable]; } bb1: { diff --git a/tests/mir-opt/const_prop/slice_len.main.GVN.64bit.panic-unwind.diff b/tests/mir-opt/const_prop/slice_len.main.GVN.64bit.panic-unwind.diff index f0c844884f6..c0b3d4d3219 100644 --- a/tests/mir-opt/const_prop/slice_len.main.GVN.64bit.panic-unwind.diff +++ b/tests/mir-opt/const_prop/slice_len.main.GVN.64bit.panic-unwind.diff @@ -30,11 +30,12 @@ StorageDead(_3); StorageLive(_6); _6 = const 1_usize; - _7 = Len((*_2)); +- _7 = PtrMetadata(copy _2); - _8 = Lt(copy _6, copy _7); - assert(move _8, "index out of bounds: the length is {} but the index is {}", move _7, copy _6) -> [success: bb1, unwind continue]; -+ _8 = Lt(const 1_usize, copy _7); -+ assert(move _8, "index out of bounds: the length is {} but the index is {}", move _7, const 1_usize) -> [success: bb1, unwind continue]; ++ _7 = const 3_usize; ++ _8 = const true; ++ assert(const true, "index out of bounds: the length is {} but the index is {}", const 3_usize, const 1_usize) -> [success: bb1, unwind continue]; } bb1: { diff --git a/tests/mir-opt/copy-prop/issue_107511.main.CopyProp.panic-abort.diff b/tests/mir-opt/copy-prop/issue_107511.main.CopyProp.panic-abort.diff index 6d967257df1..689083dfc1d 100644 --- a/tests/mir-opt/copy-prop/issue_107511.main.CopyProp.panic-abort.diff +++ b/tests/mir-opt/copy-prop/issue_107511.main.CopyProp.panic-abort.diff @@ -18,8 +18,7 @@ let mut _15: !; let mut _17: i32; let _18: usize; - let mut _19: usize; - let mut _20: bool; + let mut _19: bool; scope 1 { debug sum => _1; let _2: [i32; 4]; @@ -92,11 +91,10 @@ StorageLive(_17); - StorageLive(_18); - _18 = copy _16; - _19 = Len(_2); -- _20 = Lt(copy _18, copy _19); -- assert(move _20, "index out of bounds: the length is {} but the index is {}", move _19, copy _18) -> [success: bb8, unwind unreachable]; -+ _20 = Lt(copy _16, copy _19); -+ assert(move _20, "index out of bounds: the length is {} but the index is {}", move _19, copy _16) -> [success: bb8, unwind unreachable]; +- _19 = Lt(copy _18, const 4_usize); +- assert(move _19, "index out of bounds: the length is {} but the index is {}", const 4_usize, copy _18) -> [success: bb8, unwind unreachable]; ++ _19 = Lt(copy _16, const 4_usize); ++ assert(move _19, "index out of bounds: the length is {} but the index is {}", const 4_usize, copy _16) -> [success: bb8, unwind unreachable]; } bb7: { diff --git a/tests/mir-opt/copy-prop/issue_107511.main.CopyProp.panic-unwind.diff b/tests/mir-opt/copy-prop/issue_107511.main.CopyProp.panic-unwind.diff index 3580c87c469..7f768a9f834 100644 --- a/tests/mir-opt/copy-prop/issue_107511.main.CopyProp.panic-unwind.diff +++ b/tests/mir-opt/copy-prop/issue_107511.main.CopyProp.panic-unwind.diff @@ -18,8 +18,7 @@ let mut _15: !; let mut _17: i32; let _18: usize; - let mut _19: usize; - let mut _20: bool; + let mut _19: bool; scope 1 { debug sum => _1; let _2: [i32; 4]; @@ -92,11 +91,10 @@ StorageLive(_17); - StorageLive(_18); - _18 = copy _16; - _19 = Len(_2); -- _20 = Lt(copy _18, copy _19); -- assert(move _20, "index out of bounds: the length is {} but the index is {}", move _19, copy _18) -> [success: bb8, unwind continue]; -+ _20 = Lt(copy _16, copy _19); -+ assert(move _20, "index out of bounds: the length is {} but the index is {}", move _19, copy _16) -> [success: bb8, unwind continue]; +- _19 = Lt(copy _18, const 4_usize); +- assert(move _19, "index out of bounds: the length is {} but the index is {}", const 4_usize, copy _18) -> [success: bb8, unwind continue]; ++ _19 = Lt(copy _16, const 4_usize); ++ assert(move _19, "index out of bounds: the length is {} but the index is {}", const 4_usize, copy _16) -> [success: bb8, unwind continue]; } bb7: { diff --git a/tests/mir-opt/dataflow-const-prop/array_index.main.DataflowConstProp.32bit.panic-abort.diff b/tests/mir-opt/dataflow-const-prop/array_index.main.DataflowConstProp.32bit.panic-abort.diff index a46daef435f..0275d7e8a0d 100644 --- a/tests/mir-opt/dataflow-const-prop/array_index.main.DataflowConstProp.32bit.panic-abort.diff +++ b/tests/mir-opt/dataflow-const-prop/array_index.main.DataflowConstProp.32bit.panic-abort.diff @@ -6,8 +6,7 @@ let _1: u32; let mut _2: [u32; 4]; let _3: usize; - let mut _4: usize; - let mut _5: bool; + let mut _4: bool; scope 1 { debug x => _1; } @@ -18,11 +17,9 @@ _2 = [const 0_u32, const 1_u32, const 2_u32, const 3_u32]; StorageLive(_3); _3 = const 2_usize; -- _4 = Len(_2); -- _5 = Lt(copy _3, copy _4); -- assert(move _5, "index out of bounds: the length is {} but the index is {}", move _4, copy _3) -> [success: bb1, unwind unreachable]; -+ _4 = const 4_usize; -+ _5 = const true; +- _4 = Lt(copy _3, const 4_usize); +- assert(move _4, "index out of bounds: the length is {} but the index is {}", const 4_usize, copy _3) -> [success: bb1, unwind unreachable]; ++ _4 = const true; + assert(const true, "index out of bounds: the length is {} but the index is {}", const 4_usize, const 2_usize) -> [success: bb1, unwind unreachable]; } diff --git a/tests/mir-opt/dataflow-const-prop/array_index.main.DataflowConstProp.32bit.panic-unwind.diff b/tests/mir-opt/dataflow-const-prop/array_index.main.DataflowConstProp.32bit.panic-unwind.diff index 1a4e15b45fa..490ed4b55a1 100644 --- a/tests/mir-opt/dataflow-const-prop/array_index.main.DataflowConstProp.32bit.panic-unwind.diff +++ b/tests/mir-opt/dataflow-const-prop/array_index.main.DataflowConstProp.32bit.panic-unwind.diff @@ -6,8 +6,7 @@ let _1: u32; let mut _2: [u32; 4]; let _3: usize; - let mut _4: usize; - let mut _5: bool; + let mut _4: bool; scope 1 { debug x => _1; } @@ -18,11 +17,9 @@ _2 = [const 0_u32, const 1_u32, const 2_u32, const 3_u32]; StorageLive(_3); _3 = const 2_usize; -- _4 = Len(_2); -- _5 = Lt(copy _3, copy _4); -- assert(move _5, "index out of bounds: the length is {} but the index is {}", move _4, copy _3) -> [success: bb1, unwind continue]; -+ _4 = const 4_usize; -+ _5 = const true; +- _4 = Lt(copy _3, const 4_usize); +- assert(move _4, "index out of bounds: the length is {} but the index is {}", const 4_usize, copy _3) -> [success: bb1, unwind continue]; ++ _4 = const true; + assert(const true, "index out of bounds: the length is {} but the index is {}", const 4_usize, const 2_usize) -> [success: bb1, unwind continue]; } diff --git a/tests/mir-opt/dataflow-const-prop/array_index.main.DataflowConstProp.64bit.panic-abort.diff b/tests/mir-opt/dataflow-const-prop/array_index.main.DataflowConstProp.64bit.panic-abort.diff index a46daef435f..0275d7e8a0d 100644 --- a/tests/mir-opt/dataflow-const-prop/array_index.main.DataflowConstProp.64bit.panic-abort.diff +++ b/tests/mir-opt/dataflow-const-prop/array_index.main.DataflowConstProp.64bit.panic-abort.diff @@ -6,8 +6,7 @@ let _1: u32; let mut _2: [u32; 4]; let _3: usize; - let mut _4: usize; - let mut _5: bool; + let mut _4: bool; scope 1 { debug x => _1; } @@ -18,11 +17,9 @@ _2 = [const 0_u32, const 1_u32, const 2_u32, const 3_u32]; StorageLive(_3); _3 = const 2_usize; -- _4 = Len(_2); -- _5 = Lt(copy _3, copy _4); -- assert(move _5, "index out of bounds: the length is {} but the index is {}", move _4, copy _3) -> [success: bb1, unwind unreachable]; -+ _4 = const 4_usize; -+ _5 = const true; +- _4 = Lt(copy _3, const 4_usize); +- assert(move _4, "index out of bounds: the length is {} but the index is {}", const 4_usize, copy _3) -> [success: bb1, unwind unreachable]; ++ _4 = const true; + assert(const true, "index out of bounds: the length is {} but the index is {}", const 4_usize, const 2_usize) -> [success: bb1, unwind unreachable]; } diff --git a/tests/mir-opt/dataflow-const-prop/array_index.main.DataflowConstProp.64bit.panic-unwind.diff b/tests/mir-opt/dataflow-const-prop/array_index.main.DataflowConstProp.64bit.panic-unwind.diff index 1a4e15b45fa..490ed4b55a1 100644 --- a/tests/mir-opt/dataflow-const-prop/array_index.main.DataflowConstProp.64bit.panic-unwind.diff +++ b/tests/mir-opt/dataflow-const-prop/array_index.main.DataflowConstProp.64bit.panic-unwind.diff @@ -6,8 +6,7 @@ let _1: u32; let mut _2: [u32; 4]; let _3: usize; - let mut _4: usize; - let mut _5: bool; + let mut _4: bool; scope 1 { debug x => _1; } @@ -18,11 +17,9 @@ _2 = [const 0_u32, const 1_u32, const 2_u32, const 3_u32]; StorageLive(_3); _3 = const 2_usize; -- _4 = Len(_2); -- _5 = Lt(copy _3, copy _4); -- assert(move _5, "index out of bounds: the length is {} but the index is {}", move _4, copy _3) -> [success: bb1, unwind continue]; -+ _4 = const 4_usize; -+ _5 = const true; +- _4 = Lt(copy _3, const 4_usize); +- assert(move _4, "index out of bounds: the length is {} but the index is {}", const 4_usize, copy _3) -> [success: bb1, unwind continue]; ++ _4 = const true; + assert(const true, "index out of bounds: the length is {} but the index is {}", const 4_usize, const 2_usize) -> [success: bb1, unwind continue]; } diff --git a/tests/mir-opt/dataflow-const-prop/array_index.rs b/tests/mir-opt/dataflow-const-prop/array_index.rs index e442ef99f79..1aa8dcd28f4 100644 --- a/tests/mir-opt/dataflow-const-prop/array_index.rs +++ b/tests/mir-opt/dataflow-const-prop/array_index.rs @@ -11,9 +11,10 @@ fn main() { // CHECK: [[array_lit]] = [const 0_u32, const 1_u32, const 2_u32, const 3_u32]; // CHECK-NOT: {{_.*}} = Len( + // CHECK-NOT: {{_.*}} = PtrMetadata( // CHECK-NOT: {{_.*}} = Lt( // CHECK-NOT: assert(move _ - // CHECK: {{_.*}} = const 4_usize; + // CHECK: {{_.*}} = const 2_usize; // CHECK: {{_.*}} = const true; // CHECK: assert(const true // CHECK: [[x]] = copy [[array_lit]][2 of 3]; diff --git a/tests/mir-opt/dataflow-const-prop/large_array_index.main.DataflowConstProp.32bit.panic-abort.diff b/tests/mir-opt/dataflow-const-prop/large_array_index.main.DataflowConstProp.32bit.panic-abort.diff index b7ff0b671f7..f0d59ef5923 100644 --- a/tests/mir-opt/dataflow-const-prop/large_array_index.main.DataflowConstProp.32bit.panic-abort.diff +++ b/tests/mir-opt/dataflow-const-prop/large_array_index.main.DataflowConstProp.32bit.panic-abort.diff @@ -6,8 +6,7 @@ let _1: u8; let mut _2: [u8; 5000]; let _3: usize; - let mut _4: usize; - let mut _5: bool; + let mut _4: bool; scope 1 { debug x => _1; } @@ -18,11 +17,9 @@ _2 = [const 0_u8; 5000]; StorageLive(_3); _3 = const 2_usize; -- _4 = Len(_2); -- _5 = Lt(copy _3, copy _4); -- assert(move _5, "index out of bounds: the length is {} but the index is {}", move _4, copy _3) -> [success: bb1, unwind unreachable]; -+ _4 = const 5000_usize; -+ _5 = const true; +- _4 = Lt(copy _3, const 5000_usize); +- assert(move _4, "index out of bounds: the length is {} but the index is {}", const 5000_usize, copy _3) -> [success: bb1, unwind unreachable]; ++ _4 = const true; + assert(const true, "index out of bounds: the length is {} but the index is {}", const 5000_usize, const 2_usize) -> [success: bb1, unwind unreachable]; } diff --git a/tests/mir-opt/dataflow-const-prop/large_array_index.main.DataflowConstProp.32bit.panic-unwind.diff b/tests/mir-opt/dataflow-const-prop/large_array_index.main.DataflowConstProp.32bit.panic-unwind.diff index af6e3626142..959c3e75214 100644 --- a/tests/mir-opt/dataflow-const-prop/large_array_index.main.DataflowConstProp.32bit.panic-unwind.diff +++ b/tests/mir-opt/dataflow-const-prop/large_array_index.main.DataflowConstProp.32bit.panic-unwind.diff @@ -6,8 +6,7 @@ let _1: u8; let mut _2: [u8; 5000]; let _3: usize; - let mut _4: usize; - let mut _5: bool; + let mut _4: bool; scope 1 { debug x => _1; } @@ -18,11 +17,9 @@ _2 = [const 0_u8; 5000]; StorageLive(_3); _3 = const 2_usize; -- _4 = Len(_2); -- _5 = Lt(copy _3, copy _4); -- assert(move _5, "index out of bounds: the length is {} but the index is {}", move _4, copy _3) -> [success: bb1, unwind continue]; -+ _4 = const 5000_usize; -+ _5 = const true; +- _4 = Lt(copy _3, const 5000_usize); +- assert(move _4, "index out of bounds: the length is {} but the index is {}", const 5000_usize, copy _3) -> [success: bb1, unwind continue]; ++ _4 = const true; + assert(const true, "index out of bounds: the length is {} but the index is {}", const 5000_usize, const 2_usize) -> [success: bb1, unwind continue]; } diff --git a/tests/mir-opt/dataflow-const-prop/large_array_index.main.DataflowConstProp.64bit.panic-abort.diff b/tests/mir-opt/dataflow-const-prop/large_array_index.main.DataflowConstProp.64bit.panic-abort.diff index b7ff0b671f7..f0d59ef5923 100644 --- a/tests/mir-opt/dataflow-const-prop/large_array_index.main.DataflowConstProp.64bit.panic-abort.diff +++ b/tests/mir-opt/dataflow-const-prop/large_array_index.main.DataflowConstProp.64bit.panic-abort.diff @@ -6,8 +6,7 @@ let _1: u8; let mut _2: [u8; 5000]; let _3: usize; - let mut _4: usize; - let mut _5: bool; + let mut _4: bool; scope 1 { debug x => _1; } @@ -18,11 +17,9 @@ _2 = [const 0_u8; 5000]; StorageLive(_3); _3 = const 2_usize; -- _4 = Len(_2); -- _5 = Lt(copy _3, copy _4); -- assert(move _5, "index out of bounds: the length is {} but the index is {}", move _4, copy _3) -> [success: bb1, unwind unreachable]; -+ _4 = const 5000_usize; -+ _5 = const true; +- _4 = Lt(copy _3, const 5000_usize); +- assert(move _4, "index out of bounds: the length is {} but the index is {}", const 5000_usize, copy _3) -> [success: bb1, unwind unreachable]; ++ _4 = const true; + assert(const true, "index out of bounds: the length is {} but the index is {}", const 5000_usize, const 2_usize) -> [success: bb1, unwind unreachable]; } diff --git a/tests/mir-opt/dataflow-const-prop/large_array_index.main.DataflowConstProp.64bit.panic-unwind.diff b/tests/mir-opt/dataflow-const-prop/large_array_index.main.DataflowConstProp.64bit.panic-unwind.diff index af6e3626142..959c3e75214 100644 --- a/tests/mir-opt/dataflow-const-prop/large_array_index.main.DataflowConstProp.64bit.panic-unwind.diff +++ b/tests/mir-opt/dataflow-const-prop/large_array_index.main.DataflowConstProp.64bit.panic-unwind.diff @@ -6,8 +6,7 @@ let _1: u8; let mut _2: [u8; 5000]; let _3: usize; - let mut _4: usize; - let mut _5: bool; + let mut _4: bool; scope 1 { debug x => _1; } @@ -18,11 +17,9 @@ _2 = [const 0_u8; 5000]; StorageLive(_3); _3 = const 2_usize; -- _4 = Len(_2); -- _5 = Lt(copy _3, copy _4); -- assert(move _5, "index out of bounds: the length is {} but the index is {}", move _4, copy _3) -> [success: bb1, unwind continue]; -+ _4 = const 5000_usize; -+ _5 = const true; +- _4 = Lt(copy _3, const 5000_usize); +- assert(move _4, "index out of bounds: the length is {} but the index is {}", const 5000_usize, copy _3) -> [success: bb1, unwind continue]; ++ _4 = const true; + assert(const true, "index out of bounds: the length is {} but the index is {}", const 5000_usize, const 2_usize) -> [success: bb1, unwind continue]; } diff --git a/tests/mir-opt/dataflow-const-prop/large_array_index.rs b/tests/mir-opt/dataflow-const-prop/large_array_index.rs index e9f2fa2badf..e490cfde247 100644 --- a/tests/mir-opt/dataflow-const-prop/large_array_index.rs +++ b/tests/mir-opt/dataflow-const-prop/large_array_index.rs @@ -10,7 +10,7 @@ fn main() { // CHECK: debug x => [[x:_.*]]; // CHECK: [[array_lit:_.*]] = [const 0_u8; 5000]; - // CHECK: {{_.*}} = const 5000_usize; + // CHECK: {{_.*}} = const 2_usize; // CHECK: {{_.*}} = const true; // CHECK: assert(const true // CHECK: [[x]] = copy [[array_lit]][2 of 3]; diff --git a/tests/mir-opt/dataflow-const-prop/repeat.main.DataflowConstProp.32bit.panic-abort.diff b/tests/mir-opt/dataflow-const-prop/repeat.main.DataflowConstProp.32bit.panic-abort.diff index dfa541b1200..618121ea632 100644 --- a/tests/mir-opt/dataflow-const-prop/repeat.main.DataflowConstProp.32bit.panic-abort.diff +++ b/tests/mir-opt/dataflow-const-prop/repeat.main.DataflowConstProp.32bit.panic-abort.diff @@ -7,8 +7,7 @@ let mut _2: u32; let mut _3: [u32; 8]; let _4: usize; - let mut _5: usize; - let mut _6: bool; + let mut _5: bool; scope 1 { debug x => _1; } @@ -20,11 +19,9 @@ _3 = [const 42_u32; 8]; StorageLive(_4); _4 = const 2_usize; -- _5 = Len(_3); -- _6 = Lt(copy _4, copy _5); -- assert(move _6, "index out of bounds: the length is {} but the index is {}", move _5, copy _4) -> [success: bb1, unwind unreachable]; -+ _5 = const 8_usize; -+ _6 = const true; +- _5 = Lt(copy _4, const 8_usize); +- assert(move _5, "index out of bounds: the length is {} but the index is {}", const 8_usize, copy _4) -> [success: bb1, unwind unreachable]; ++ _5 = const true; + assert(const true, "index out of bounds: the length is {} but the index is {}", const 8_usize, const 2_usize) -> [success: bb1, unwind unreachable]; } diff --git a/tests/mir-opt/dataflow-const-prop/repeat.main.DataflowConstProp.32bit.panic-unwind.diff b/tests/mir-opt/dataflow-const-prop/repeat.main.DataflowConstProp.32bit.panic-unwind.diff index 9ede3c5f7ac..1788f58432b 100644 --- a/tests/mir-opt/dataflow-const-prop/repeat.main.DataflowConstProp.32bit.panic-unwind.diff +++ b/tests/mir-opt/dataflow-const-prop/repeat.main.DataflowConstProp.32bit.panic-unwind.diff @@ -7,8 +7,7 @@ let mut _2: u32; let mut _3: [u32; 8]; let _4: usize; - let mut _5: usize; - let mut _6: bool; + let mut _5: bool; scope 1 { debug x => _1; } @@ -20,11 +19,9 @@ _3 = [const 42_u32; 8]; StorageLive(_4); _4 = const 2_usize; -- _5 = Len(_3); -- _6 = Lt(copy _4, copy _5); -- assert(move _6, "index out of bounds: the length is {} but the index is {}", move _5, copy _4) -> [success: bb1, unwind continue]; -+ _5 = const 8_usize; -+ _6 = const true; +- _5 = Lt(copy _4, const 8_usize); +- assert(move _5, "index out of bounds: the length is {} but the index is {}", const 8_usize, copy _4) -> [success: bb1, unwind continue]; ++ _5 = const true; + assert(const true, "index out of bounds: the length is {} but the index is {}", const 8_usize, const 2_usize) -> [success: bb1, unwind continue]; } diff --git a/tests/mir-opt/dataflow-const-prop/repeat.main.DataflowConstProp.64bit.panic-abort.diff b/tests/mir-opt/dataflow-const-prop/repeat.main.DataflowConstProp.64bit.panic-abort.diff index dfa541b1200..618121ea632 100644 --- a/tests/mir-opt/dataflow-const-prop/repeat.main.DataflowConstProp.64bit.panic-abort.diff +++ b/tests/mir-opt/dataflow-const-prop/repeat.main.DataflowConstProp.64bit.panic-abort.diff @@ -7,8 +7,7 @@ let mut _2: u32; let mut _3: [u32; 8]; let _4: usize; - let mut _5: usize; - let mut _6: bool; + let mut _5: bool; scope 1 { debug x => _1; } @@ -20,11 +19,9 @@ _3 = [const 42_u32; 8]; StorageLive(_4); _4 = const 2_usize; -- _5 = Len(_3); -- _6 = Lt(copy _4, copy _5); -- assert(move _6, "index out of bounds: the length is {} but the index is {}", move _5, copy _4) -> [success: bb1, unwind unreachable]; -+ _5 = const 8_usize; -+ _6 = const true; +- _5 = Lt(copy _4, const 8_usize); +- assert(move _5, "index out of bounds: the length is {} but the index is {}", const 8_usize, copy _4) -> [success: bb1, unwind unreachable]; ++ _5 = const true; + assert(const true, "index out of bounds: the length is {} but the index is {}", const 8_usize, const 2_usize) -> [success: bb1, unwind unreachable]; } diff --git a/tests/mir-opt/dataflow-const-prop/repeat.main.DataflowConstProp.64bit.panic-unwind.diff b/tests/mir-opt/dataflow-const-prop/repeat.main.DataflowConstProp.64bit.panic-unwind.diff index 9ede3c5f7ac..1788f58432b 100644 --- a/tests/mir-opt/dataflow-const-prop/repeat.main.DataflowConstProp.64bit.panic-unwind.diff +++ b/tests/mir-opt/dataflow-const-prop/repeat.main.DataflowConstProp.64bit.panic-unwind.diff @@ -7,8 +7,7 @@ let mut _2: u32; let mut _3: [u32; 8]; let _4: usize; - let mut _5: usize; - let mut _6: bool; + let mut _5: bool; scope 1 { debug x => _1; } @@ -20,11 +19,9 @@ _3 = [const 42_u32; 8]; StorageLive(_4); _4 = const 2_usize; -- _5 = Len(_3); -- _6 = Lt(copy _4, copy _5); -- assert(move _6, "index out of bounds: the length is {} but the index is {}", move _5, copy _4) -> [success: bb1, unwind continue]; -+ _5 = const 8_usize; -+ _6 = const true; +- _5 = Lt(copy _4, const 8_usize); +- assert(move _5, "index out of bounds: the length is {} but the index is {}", const 8_usize, copy _4) -> [success: bb1, unwind continue]; ++ _5 = const true; + assert(const true, "index out of bounds: the length is {} but the index is {}", const 8_usize, const 2_usize) -> [success: bb1, unwind continue]; } diff --git a/tests/mir-opt/dataflow-const-prop/repeat.rs b/tests/mir-opt/dataflow-const-prop/repeat.rs index 2067aa3d709..1bc2cb82a60 100644 --- a/tests/mir-opt/dataflow-const-prop/repeat.rs +++ b/tests/mir-opt/dataflow-const-prop/repeat.rs @@ -9,8 +9,9 @@ fn main() { // CHECK: [[array_lit:_.*]] = [const 42_u32; 8]; // CHECK-NOT: {{_.*}} = Len( + // CHECK-NOT: {{_.*}} = PtrMetadata( // CHECK-NOT: {{_.*}} = Lt( - // CHECK: {{_.*}} = const 8_usize; + // CHECK: {{_.*}} = const 2_usize; // CHECK: {{_.*}} = const true; // CHECK: assert(const true diff --git a/tests/mir-opt/dataflow-const-prop/slice_len.main.DataflowConstProp.32bit.panic-abort.diff b/tests/mir-opt/dataflow-const-prop/slice_len.main.DataflowConstProp.32bit.panic-abort.diff deleted file mode 100644 index e71992316dc..00000000000 --- a/tests/mir-opt/dataflow-const-prop/slice_len.main.DataflowConstProp.32bit.panic-abort.diff +++ /dev/null @@ -1,77 +0,0 @@ -- // MIR for `main` before DataflowConstProp -+ // MIR for `main` after DataflowConstProp - - fn main() -> () { - let mut _0: (); - let _1: u32; - let mut _2: &[u32]; - let mut _3: &[u32; 3]; - let _4: &[u32; 3]; - let _5: [u32; 3]; - let _6: usize; - let mut _7: usize; - let mut _8: bool; - let mut _10: &[u32]; - let _11: usize; - let mut _12: usize; - let mut _13: bool; - let mut _14: &[u32; 3]; - scope 1 { - debug local => _1; - let _9: u32; - scope 2 { - debug constant => _9; - } - } - - bb0: { - StorageLive(_1); - StorageLive(_2); - StorageLive(_3); - StorageLive(_4); - _14 = const main::promoted[0]; - _4 = copy _14; - _3 = copy _4; - _2 = move _3 as &[u32] (PointerCoercion(Unsize, AsCast)); - StorageDead(_3); - StorageLive(_6); - _6 = const 1_usize; -- _7 = Len((*_2)); -- _8 = Lt(copy _6, copy _7); -- assert(move _8, "index out of bounds: the length is {} but the index is {}", move _7, copy _6) -> [success: bb1, unwind unreachable]; -+ _7 = const 3_usize; -+ _8 = const true; -+ assert(const true, "index out of bounds: the length is {} but the index is {}", const 3_usize, const 1_usize) -> [success: bb1, unwind unreachable]; - } - - bb1: { -- _1 = copy (*_2)[_6]; -+ _1 = copy (*_2)[1 of 2]; - StorageDead(_6); - StorageDead(_4); - StorageDead(_2); - StorageLive(_9); - StorageLive(_10); - _10 = const main::SLICE; - StorageLive(_11); - _11 = const 1_usize; -- _12 = Len((*_10)); -- _13 = Lt(copy _11, copy _12); -- assert(move _13, "index out of bounds: the length is {} but the index is {}", move _12, copy _11) -> [success: bb2, unwind unreachable]; -+ _12 = const 3_usize; -+ _13 = const true; -+ assert(const true, "index out of bounds: the length is {} but the index is {}", const 3_usize, const 1_usize) -> [success: bb2, unwind unreachable]; - } - - bb2: { -- _9 = copy (*_10)[_11]; -+ _9 = copy (*_10)[1 of 2]; - StorageDead(_11); - StorageDead(_10); - _0 = const (); - StorageDead(_9); - StorageDead(_1); - return; - } - } - diff --git a/tests/mir-opt/dataflow-const-prop/slice_len.main.DataflowConstProp.32bit.panic-unwind.diff b/tests/mir-opt/dataflow-const-prop/slice_len.main.DataflowConstProp.32bit.panic-unwind.diff deleted file mode 100644 index 26de8595768..00000000000 --- a/tests/mir-opt/dataflow-const-prop/slice_len.main.DataflowConstProp.32bit.panic-unwind.diff +++ /dev/null @@ -1,77 +0,0 @@ -- // MIR for `main` before DataflowConstProp -+ // MIR for `main` after DataflowConstProp - - fn main() -> () { - let mut _0: (); - let _1: u32; - let mut _2: &[u32]; - let mut _3: &[u32; 3]; - let _4: &[u32; 3]; - let _5: [u32; 3]; - let _6: usize; - let mut _7: usize; - let mut _8: bool; - let mut _10: &[u32]; - let _11: usize; - let mut _12: usize; - let mut _13: bool; - let mut _14: &[u32; 3]; - scope 1 { - debug local => _1; - let _9: u32; - scope 2 { - debug constant => _9; - } - } - - bb0: { - StorageLive(_1); - StorageLive(_2); - StorageLive(_3); - StorageLive(_4); - _14 = const main::promoted[0]; - _4 = copy _14; - _3 = copy _4; - _2 = move _3 as &[u32] (PointerCoercion(Unsize, AsCast)); - StorageDead(_3); - StorageLive(_6); - _6 = const 1_usize; -- _7 = Len((*_2)); -- _8 = Lt(copy _6, copy _7); -- assert(move _8, "index out of bounds: the length is {} but the index is {}", move _7, copy _6) -> [success: bb1, unwind continue]; -+ _7 = const 3_usize; -+ _8 = const true; -+ assert(const true, "index out of bounds: the length is {} but the index is {}", const 3_usize, const 1_usize) -> [success: bb1, unwind continue]; - } - - bb1: { -- _1 = copy (*_2)[_6]; -+ _1 = copy (*_2)[1 of 2]; - StorageDead(_6); - StorageDead(_4); - StorageDead(_2); - StorageLive(_9); - StorageLive(_10); - _10 = const main::SLICE; - StorageLive(_11); - _11 = const 1_usize; -- _12 = Len((*_10)); -- _13 = Lt(copy _11, copy _12); -- assert(move _13, "index out of bounds: the length is {} but the index is {}", move _12, copy _11) -> [success: bb2, unwind continue]; -+ _12 = const 3_usize; -+ _13 = const true; -+ assert(const true, "index out of bounds: the length is {} but the index is {}", const 3_usize, const 1_usize) -> [success: bb2, unwind continue]; - } - - bb2: { -- _9 = copy (*_10)[_11]; -+ _9 = copy (*_10)[1 of 2]; - StorageDead(_11); - StorageDead(_10); - _0 = const (); - StorageDead(_9); - StorageDead(_1); - return; - } - } - diff --git a/tests/mir-opt/dataflow-const-prop/slice_len.main.DataflowConstProp.64bit.panic-abort.diff b/tests/mir-opt/dataflow-const-prop/slice_len.main.DataflowConstProp.64bit.panic-abort.diff deleted file mode 100644 index e71992316dc..00000000000 --- a/tests/mir-opt/dataflow-const-prop/slice_len.main.DataflowConstProp.64bit.panic-abort.diff +++ /dev/null @@ -1,77 +0,0 @@ -- // MIR for `main` before DataflowConstProp -+ // MIR for `main` after DataflowConstProp - - fn main() -> () { - let mut _0: (); - let _1: u32; - let mut _2: &[u32]; - let mut _3: &[u32; 3]; - let _4: &[u32; 3]; - let _5: [u32; 3]; - let _6: usize; - let mut _7: usize; - let mut _8: bool; - let mut _10: &[u32]; - let _11: usize; - let mut _12: usize; - let mut _13: bool; - let mut _14: &[u32; 3]; - scope 1 { - debug local => _1; - let _9: u32; - scope 2 { - debug constant => _9; - } - } - - bb0: { - StorageLive(_1); - StorageLive(_2); - StorageLive(_3); - StorageLive(_4); - _14 = const main::promoted[0]; - _4 = copy _14; - _3 = copy _4; - _2 = move _3 as &[u32] (PointerCoercion(Unsize, AsCast)); - StorageDead(_3); - StorageLive(_6); - _6 = const 1_usize; -- _7 = Len((*_2)); -- _8 = Lt(copy _6, copy _7); -- assert(move _8, "index out of bounds: the length is {} but the index is {}", move _7, copy _6) -> [success: bb1, unwind unreachable]; -+ _7 = const 3_usize; -+ _8 = const true; -+ assert(const true, "index out of bounds: the length is {} but the index is {}", const 3_usize, const 1_usize) -> [success: bb1, unwind unreachable]; - } - - bb1: { -- _1 = copy (*_2)[_6]; -+ _1 = copy (*_2)[1 of 2]; - StorageDead(_6); - StorageDead(_4); - StorageDead(_2); - StorageLive(_9); - StorageLive(_10); - _10 = const main::SLICE; - StorageLive(_11); - _11 = const 1_usize; -- _12 = Len((*_10)); -- _13 = Lt(copy _11, copy _12); -- assert(move _13, "index out of bounds: the length is {} but the index is {}", move _12, copy _11) -> [success: bb2, unwind unreachable]; -+ _12 = const 3_usize; -+ _13 = const true; -+ assert(const true, "index out of bounds: the length is {} but the index is {}", const 3_usize, const 1_usize) -> [success: bb2, unwind unreachable]; - } - - bb2: { -- _9 = copy (*_10)[_11]; -+ _9 = copy (*_10)[1 of 2]; - StorageDead(_11); - StorageDead(_10); - _0 = const (); - StorageDead(_9); - StorageDead(_1); - return; - } - } - diff --git a/tests/mir-opt/dataflow-const-prop/slice_len.main.DataflowConstProp.64bit.panic-unwind.diff b/tests/mir-opt/dataflow-const-prop/slice_len.main.DataflowConstProp.64bit.panic-unwind.diff deleted file mode 100644 index 26de8595768..00000000000 --- a/tests/mir-opt/dataflow-const-prop/slice_len.main.DataflowConstProp.64bit.panic-unwind.diff +++ /dev/null @@ -1,77 +0,0 @@ -- // MIR for `main` before DataflowConstProp -+ // MIR for `main` after DataflowConstProp - - fn main() -> () { - let mut _0: (); - let _1: u32; - let mut _2: &[u32]; - let mut _3: &[u32; 3]; - let _4: &[u32; 3]; - let _5: [u32; 3]; - let _6: usize; - let mut _7: usize; - let mut _8: bool; - let mut _10: &[u32]; - let _11: usize; - let mut _12: usize; - let mut _13: bool; - let mut _14: &[u32; 3]; - scope 1 { - debug local => _1; - let _9: u32; - scope 2 { - debug constant => _9; - } - } - - bb0: { - StorageLive(_1); - StorageLive(_2); - StorageLive(_3); - StorageLive(_4); - _14 = const main::promoted[0]; - _4 = copy _14; - _3 = copy _4; - _2 = move _3 as &[u32] (PointerCoercion(Unsize, AsCast)); - StorageDead(_3); - StorageLive(_6); - _6 = const 1_usize; -- _7 = Len((*_2)); -- _8 = Lt(copy _6, copy _7); -- assert(move _8, "index out of bounds: the length is {} but the index is {}", move _7, copy _6) -> [success: bb1, unwind continue]; -+ _7 = const 3_usize; -+ _8 = const true; -+ assert(const true, "index out of bounds: the length is {} but the index is {}", const 3_usize, const 1_usize) -> [success: bb1, unwind continue]; - } - - bb1: { -- _1 = copy (*_2)[_6]; -+ _1 = copy (*_2)[1 of 2]; - StorageDead(_6); - StorageDead(_4); - StorageDead(_2); - StorageLive(_9); - StorageLive(_10); - _10 = const main::SLICE; - StorageLive(_11); - _11 = const 1_usize; -- _12 = Len((*_10)); -- _13 = Lt(copy _11, copy _12); -- assert(move _13, "index out of bounds: the length is {} but the index is {}", move _12, copy _11) -> [success: bb2, unwind continue]; -+ _12 = const 3_usize; -+ _13 = const true; -+ assert(const true, "index out of bounds: the length is {} but the index is {}", const 3_usize, const 1_usize) -> [success: bb2, unwind continue]; - } - - bb2: { -- _9 = copy (*_10)[_11]; -+ _9 = copy (*_10)[1 of 2]; - StorageDead(_11); - StorageDead(_10); - _0 = const (); - StorageDead(_9); - StorageDead(_1); - return; - } - } - diff --git a/tests/mir-opt/dataflow-const-prop/slice_len.rs b/tests/mir-opt/dataflow-const-prop/slice_len.rs deleted file mode 100644 index e0e68f9fde5..00000000000 --- a/tests/mir-opt/dataflow-const-prop/slice_len.rs +++ /dev/null @@ -1,34 +0,0 @@ -// EMIT_MIR_FOR_EACH_PANIC_STRATEGY -//@ test-mir-pass: DataflowConstProp -//@ compile-flags: -Zmir-enable-passes=+InstSimplify-after-simplifycfg -// EMIT_MIR_FOR_EACH_BIT_WIDTH - -// EMIT_MIR slice_len.main.DataflowConstProp.diff - -// CHECK-LABEL: fn main( -fn main() { - // CHECK: debug local => [[local:_.*]]; - // CHECK: debug constant => [[constant:_.*]]; - - // CHECK-NOT: {{_.*}} = Len( - // CHECK-NOT: {{_.*}} = Lt( - // CHECK-NOT: assert(move _ - // CHECK: {{_.*}} = const 3_usize; - // CHECK: {{_.*}} = const true; - // CHECK: assert(const true, - - // CHECK: [[local]] = copy (*{{_.*}})[1 of 2]; - let local = (&[1u32, 2, 3] as &[u32])[1]; - - // CHECK-NOT: {{_.*}} = Len( - // CHECK-NOT: {{_.*}} = Lt( - // CHECK-NOT: assert(move _ - const SLICE: &[u32] = &[1, 2, 3]; - // CHECK: {{_.*}} = const 3_usize; - // CHECK: {{_.*}} = const true; - // CHECK: assert(const true, - - // CHECK-NOT: [[constant]] = {{copy|move}} (*{{_.*}})[_ - // CHECK: [[constant]] = copy (*{{_.*}})[1 of 2]; - let constant = SLICE[1]; -} diff --git a/tests/mir-opt/gvn.constant_index_overflow.GVN.panic-abort.diff b/tests/mir-opt/gvn.constant_index_overflow.GVN.panic-abort.diff index 3f052ee19fd..183b4d2599f 100644 --- a/tests/mir-opt/gvn.constant_index_overflow.GVN.panic-abort.diff +++ b/tests/mir-opt/gvn.constant_index_overflow.GVN.panic-abort.diff @@ -53,7 +53,7 @@ StorageLive(_8); - _8 = copy _2; + _8 = const usize::MAX; - _9 = Len((*_1)); + _9 = PtrMetadata(copy _1); - _10 = Lt(copy _8, copy _9); - assert(move _10, "index out of bounds: the length is {} but the index is {}", move _9, copy _8) -> [success: bb3, unwind unreachable]; + _10 = Lt(const usize::MAX, copy _9); @@ -72,7 +72,7 @@ StorageDead(_5); StorageLive(_11); _11 = const 0_usize; - _12 = Len((*_1)); + _12 = PtrMetadata(copy _1); - _13 = Lt(copy _11, copy _12); - assert(move _13, "index out of bounds: the length is {} but the index is {}", move _12, copy _11) -> [success: bb5, unwind unreachable]; + _13 = Lt(const 0_usize, copy _12); diff --git a/tests/mir-opt/gvn.constant_index_overflow.GVN.panic-unwind.diff b/tests/mir-opt/gvn.constant_index_overflow.GVN.panic-unwind.diff index 84b738c7804..03e8aa3bd9b 100644 --- a/tests/mir-opt/gvn.constant_index_overflow.GVN.panic-unwind.diff +++ b/tests/mir-opt/gvn.constant_index_overflow.GVN.panic-unwind.diff @@ -53,7 +53,7 @@ StorageLive(_8); - _8 = copy _2; + _8 = const usize::MAX; - _9 = Len((*_1)); + _9 = PtrMetadata(copy _1); - _10 = Lt(copy _8, copy _9); - assert(move _10, "index out of bounds: the length is {} but the index is {}", move _9, copy _8) -> [success: bb3, unwind continue]; + _10 = Lt(const usize::MAX, copy _9); @@ -72,7 +72,7 @@ StorageDead(_5); StorageLive(_11); _11 = const 0_usize; - _12 = Len((*_1)); + _12 = PtrMetadata(copy _1); - _13 = Lt(copy _11, copy _12); - assert(move _13, "index out of bounds: the length is {} but the index is {}", move _12, copy _11) -> [success: bb5, unwind continue]; + _13 = Lt(const 0_usize, copy _12); diff --git a/tests/mir-opt/gvn.dedup_multiple_bounds_checks_lengths.GVN.panic-abort.diff b/tests/mir-opt/gvn.dedup_multiple_bounds_checks_lengths.GVN.panic-abort.diff new file mode 100644 index 00000000000..4b077f580f1 --- /dev/null +++ b/tests/mir-opt/gvn.dedup_multiple_bounds_checks_lengths.GVN.panic-abort.diff @@ -0,0 +1,72 @@ +- // MIR for `dedup_multiple_bounds_checks_lengths` before GVN ++ // MIR for `dedup_multiple_bounds_checks_lengths` after GVN + + fn dedup_multiple_bounds_checks_lengths(_1: &[i32]) -> [i32; 3] { + debug x => _1; + let mut _0: [i32; 3]; + let mut _2: i32; + let _3: usize; + let mut _4: usize; + let mut _5: bool; + let mut _6: i32; + let _7: usize; + let mut _8: usize; + let mut _9: bool; + let mut _10: i32; + let _11: usize; + let mut _12: usize; + let mut _13: bool; + + bb0: { + StorageLive(_2); + StorageLive(_3); + _3 = const 42_usize; + _4 = PtrMetadata(copy _1); +- _5 = Lt(copy _3, copy _4); +- assert(move _5, "index out of bounds: the length is {} but the index is {}", move _4, copy _3) -> [success: bb1, unwind unreachable]; ++ _5 = Lt(const 42_usize, copy _4); ++ assert(move _5, "index out of bounds: the length is {} but the index is {}", copy _4, const 42_usize) -> [success: bb1, unwind unreachable]; + } + + bb1: { +- _2 = copy (*_1)[_3]; ++ _2 = copy (*_1)[42 of 43]; + StorageLive(_6); + StorageLive(_7); + _7 = const 13_usize; +- _8 = PtrMetadata(copy _1); +- _9 = Lt(copy _7, copy _8); +- assert(move _9, "index out of bounds: the length is {} but the index is {}", move _8, copy _7) -> [success: bb2, unwind unreachable]; ++ _8 = copy _4; ++ _9 = Lt(const 13_usize, copy _4); ++ assert(move _9, "index out of bounds: the length is {} but the index is {}", copy _4, const 13_usize) -> [success: bb2, unwind unreachable]; + } + + bb2: { +- _6 = copy (*_1)[_7]; ++ _6 = copy (*_1)[13 of 14]; + StorageLive(_10); + StorageLive(_11); + _11 = const 7_usize; +- _12 = PtrMetadata(copy _1); +- _13 = Lt(copy _11, copy _12); +- assert(move _13, "index out of bounds: the length is {} but the index is {}", move _12, copy _11) -> [success: bb3, unwind unreachable]; ++ _12 = copy _4; ++ _13 = Lt(const 7_usize, copy _4); ++ assert(move _13, "index out of bounds: the length is {} but the index is {}", copy _4, const 7_usize) -> [success: bb3, unwind unreachable]; + } + + bb3: { +- _10 = copy (*_1)[_11]; ++ _10 = copy (*_1)[7 of 8]; + _0 = [move _2, move _6, move _10]; + StorageDead(_10); + StorageDead(_6); + StorageDead(_2); + StorageDead(_11); + StorageDead(_7); + StorageDead(_3); + return; + } + } + diff --git a/tests/mir-opt/gvn.dedup_multiple_bounds_checks_lengths.GVN.panic-unwind.diff b/tests/mir-opt/gvn.dedup_multiple_bounds_checks_lengths.GVN.panic-unwind.diff new file mode 100644 index 00000000000..87e69d44006 --- /dev/null +++ b/tests/mir-opt/gvn.dedup_multiple_bounds_checks_lengths.GVN.panic-unwind.diff @@ -0,0 +1,72 @@ +- // MIR for `dedup_multiple_bounds_checks_lengths` before GVN ++ // MIR for `dedup_multiple_bounds_checks_lengths` after GVN + + fn dedup_multiple_bounds_checks_lengths(_1: &[i32]) -> [i32; 3] { + debug x => _1; + let mut _0: [i32; 3]; + let mut _2: i32; + let _3: usize; + let mut _4: usize; + let mut _5: bool; + let mut _6: i32; + let _7: usize; + let mut _8: usize; + let mut _9: bool; + let mut _10: i32; + let _11: usize; + let mut _12: usize; + let mut _13: bool; + + bb0: { + StorageLive(_2); + StorageLive(_3); + _3 = const 42_usize; + _4 = PtrMetadata(copy _1); +- _5 = Lt(copy _3, copy _4); +- assert(move _5, "index out of bounds: the length is {} but the index is {}", move _4, copy _3) -> [success: bb1, unwind continue]; ++ _5 = Lt(const 42_usize, copy _4); ++ assert(move _5, "index out of bounds: the length is {} but the index is {}", copy _4, const 42_usize) -> [success: bb1, unwind continue]; + } + + bb1: { +- _2 = copy (*_1)[_3]; ++ _2 = copy (*_1)[42 of 43]; + StorageLive(_6); + StorageLive(_7); + _7 = const 13_usize; +- _8 = PtrMetadata(copy _1); +- _9 = Lt(copy _7, copy _8); +- assert(move _9, "index out of bounds: the length is {} but the index is {}", move _8, copy _7) -> [success: bb2, unwind continue]; ++ _8 = copy _4; ++ _9 = Lt(const 13_usize, copy _4); ++ assert(move _9, "index out of bounds: the length is {} but the index is {}", copy _4, const 13_usize) -> [success: bb2, unwind continue]; + } + + bb2: { +- _6 = copy (*_1)[_7]; ++ _6 = copy (*_1)[13 of 14]; + StorageLive(_10); + StorageLive(_11); + _11 = const 7_usize; +- _12 = PtrMetadata(copy _1); +- _13 = Lt(copy _11, copy _12); +- assert(move _13, "index out of bounds: the length is {} but the index is {}", move _12, copy _11) -> [success: bb3, unwind continue]; ++ _12 = copy _4; ++ _13 = Lt(const 7_usize, copy _4); ++ assert(move _13, "index out of bounds: the length is {} but the index is {}", copy _4, const 7_usize) -> [success: bb3, unwind continue]; + } + + bb3: { +- _10 = copy (*_1)[_11]; ++ _10 = copy (*_1)[7 of 8]; + _0 = [move _2, move _6, move _10]; + StorageDead(_10); + StorageDead(_6); + StorageDead(_2); + StorageDead(_11); + StorageDead(_7); + StorageDead(_3); + return; + } + } + diff --git a/tests/mir-opt/gvn.repeated_index.GVN.panic-abort.diff b/tests/mir-opt/gvn.repeated_index.GVN.panic-abort.diff index d4b22d05f6c..7f44176b756 100644 --- a/tests/mir-opt/gvn.repeated_index.GVN.panic-abort.diff +++ b/tests/mir-opt/gvn.repeated_index.GVN.panic-abort.diff @@ -10,13 +10,11 @@ let _5: (); let mut _6: T; let _7: usize; - let mut _8: usize; - let mut _9: bool; - let _10: (); - let mut _11: T; - let _12: usize; - let mut _13: usize; - let mut _14: bool; + let mut _8: bool; + let _9: (); + let mut _10: T; + let _11: usize; + let mut _12: bool; scope 1 { debug a => _3; } @@ -32,12 +30,10 @@ StorageLive(_6); StorageLive(_7); _7 = const 0_usize; -- _8 = Len(_3); -- _9 = Lt(copy _7, copy _8); -- assert(move _9, "index out of bounds: the length is {} but the index is {}", move _8, copy _7) -> [success: bb1, unwind unreachable]; -+ _8 = const N; -+ _9 = Lt(const 0_usize, const N); -+ assert(move _9, "index out of bounds: the length is {} but the index is {}", const N, const 0_usize) -> [success: bb1, unwind unreachable]; +- _8 = Lt(copy _7, const N); +- assert(move _8, "index out of bounds: the length is {} but the index is {}", const N, copy _7) -> [success: bb1, unwind unreachable]; ++ _8 = Lt(const 0_usize, const N); ++ assert(move _8, "index out of bounds: the length is {} but the index is {}", const N, const 0_usize) -> [success: bb1, unwind unreachable]; } bb1: { @@ -51,29 +47,27 @@ StorageDead(_6); StorageDead(_7); StorageDead(_5); + StorageLive(_9); StorageLive(_10); StorageLive(_11); - StorageLive(_12); - _12 = copy _2; -- _13 = Len(_3); -- _14 = Lt(copy _12, copy _13); -- assert(move _14, "index out of bounds: the length is {} but the index is {}", move _13, copy _12) -> [success: bb3, unwind unreachable]; -+ _13 = const N; -+ _14 = Lt(copy _2, const N); -+ assert(move _14, "index out of bounds: the length is {} but the index is {}", const N, copy _2) -> [success: bb3, unwind unreachable]; + _11 = copy _2; +- _12 = Lt(copy _11, const N); +- assert(move _12, "index out of bounds: the length is {} but the index is {}", const N, copy _11) -> [success: bb3, unwind unreachable]; ++ _12 = Lt(copy _2, const N); ++ assert(move _12, "index out of bounds: the length is {} but the index is {}", const N, copy _2) -> [success: bb3, unwind unreachable]; } bb3: { -- _11 = copy _3[_12]; -- _10 = opaque::<T>(move _11) -> [return: bb4, unwind unreachable]; -+ _11 = copy _1; -+ _10 = opaque::<T>(copy _1) -> [return: bb4, unwind unreachable]; +- _10 = copy _3[_11]; +- _9 = opaque::<T>(move _10) -> [return: bb4, unwind unreachable]; ++ _10 = copy _1; ++ _9 = opaque::<T>(copy _1) -> [return: bb4, unwind unreachable]; } bb4: { - StorageDead(_11); - StorageDead(_12); StorageDead(_10); + StorageDead(_11); + StorageDead(_9); _0 = const (); StorageDead(_3); return; diff --git a/tests/mir-opt/gvn.repeated_index.GVN.panic-unwind.diff b/tests/mir-opt/gvn.repeated_index.GVN.panic-unwind.diff index 708c0f92e54..d34882d725f 100644 --- a/tests/mir-opt/gvn.repeated_index.GVN.panic-unwind.diff +++ b/tests/mir-opt/gvn.repeated_index.GVN.panic-unwind.diff @@ -10,13 +10,11 @@ let _5: (); let mut _6: T; let _7: usize; - let mut _8: usize; - let mut _9: bool; - let _10: (); - let mut _11: T; - let _12: usize; - let mut _13: usize; - let mut _14: bool; + let mut _8: bool; + let _9: (); + let mut _10: T; + let _11: usize; + let mut _12: bool; scope 1 { debug a => _3; } @@ -32,12 +30,10 @@ StorageLive(_6); StorageLive(_7); _7 = const 0_usize; -- _8 = Len(_3); -- _9 = Lt(copy _7, copy _8); -- assert(move _9, "index out of bounds: the length is {} but the index is {}", move _8, copy _7) -> [success: bb1, unwind continue]; -+ _8 = const N; -+ _9 = Lt(const 0_usize, const N); -+ assert(move _9, "index out of bounds: the length is {} but the index is {}", const N, const 0_usize) -> [success: bb1, unwind continue]; +- _8 = Lt(copy _7, const N); +- assert(move _8, "index out of bounds: the length is {} but the index is {}", const N, copy _7) -> [success: bb1, unwind continue]; ++ _8 = Lt(const 0_usize, const N); ++ assert(move _8, "index out of bounds: the length is {} but the index is {}", const N, const 0_usize) -> [success: bb1, unwind continue]; } bb1: { @@ -51,29 +47,27 @@ StorageDead(_6); StorageDead(_7); StorageDead(_5); + StorageLive(_9); StorageLive(_10); StorageLive(_11); - StorageLive(_12); - _12 = copy _2; -- _13 = Len(_3); -- _14 = Lt(copy _12, copy _13); -- assert(move _14, "index out of bounds: the length is {} but the index is {}", move _13, copy _12) -> [success: bb3, unwind continue]; -+ _13 = const N; -+ _14 = Lt(copy _2, const N); -+ assert(move _14, "index out of bounds: the length is {} but the index is {}", const N, copy _2) -> [success: bb3, unwind continue]; + _11 = copy _2; +- _12 = Lt(copy _11, const N); +- assert(move _12, "index out of bounds: the length is {} but the index is {}", const N, copy _11) -> [success: bb3, unwind continue]; ++ _12 = Lt(copy _2, const N); ++ assert(move _12, "index out of bounds: the length is {} but the index is {}", const N, copy _2) -> [success: bb3, unwind continue]; } bb3: { -- _11 = copy _3[_12]; -- _10 = opaque::<T>(move _11) -> [return: bb4, unwind continue]; -+ _11 = copy _1; -+ _10 = opaque::<T>(copy _1) -> [return: bb4, unwind continue]; +- _10 = copy _3[_11]; +- _9 = opaque::<T>(move _10) -> [return: bb4, unwind continue]; ++ _10 = copy _1; ++ _9 = opaque::<T>(copy _1) -> [return: bb4, unwind continue]; } bb4: { - StorageDead(_11); - StorageDead(_12); StorageDead(_10); + StorageDead(_11); + StorageDead(_9); _0 = const (); StorageDead(_3); return; diff --git a/tests/mir-opt/gvn.rs b/tests/mir-opt/gvn.rs index 10d1ccfdece..c895a579259 100644 --- a/tests/mir-opt/gvn.rs +++ b/tests/mir-opt/gvn.rs @@ -835,6 +835,25 @@ fn array_len(x: &mut [i32; 42]) -> usize { std::intrinsics::ptr_metadata(x) } +// Check that we only load the length once, rather than all 3 times. +fn dedup_multiple_bounds_checks_lengths(x: &[i32]) -> [i32; 3] { + // CHECK-LABEL: fn dedup_multiple_bounds_checks_lengths + // CHECK: [[LEN:_.+]] = PtrMetadata(copy _1); + // CHECK: Lt(const 42_usize, copy [[LEN]]); + // CHECK: assert{{.+}}copy [[LEN]] + // CHECK: [[A:_.+]] = copy (*_1)[42 of 43]; + // CHECK-NOT: PtrMetadata + // CHECK: Lt(const 13_usize, copy [[LEN]]); + // CHECK: assert{{.+}}copy [[LEN]] + // CHECK: [[B:_.+]] = copy (*_1)[13 of 14]; + // CHECK-NOT: PtrMetadata + // CHECK: Lt(const 7_usize, copy [[LEN]]); + // CHECK: assert{{.+}}copy [[LEN]] + // CHECK: [[C:_.+]] = copy (*_1)[7 of 8]; + // CHECK: _0 = [move [[A]], move [[B]], move [[C]]] + [x[42], x[13], x[7]] +} + #[custom_mir(dialect = "runtime")] fn generic_cast_metadata<T, A: ?Sized, B: ?Sized>(ps: *const [T], pa: *const A, pb: *const B) { // CHECK-LABEL: fn generic_cast_metadata @@ -1109,6 +1128,7 @@ enum Never {} // EMIT_MIR gvn.casts_before_aggregate_raw_ptr.GVN.diff // EMIT_MIR gvn.manual_slice_mut_len.GVN.diff // EMIT_MIR gvn.array_len.GVN.diff +// EMIT_MIR gvn.dedup_multiple_bounds_checks_lengths.GVN.diff // EMIT_MIR gvn.generic_cast_metadata.GVN.diff // EMIT_MIR gvn.cast_pointer_eq.GVN.diff // EMIT_MIR gvn.aggregate_struct_then_transmute.GVN.diff diff --git a/tests/mir-opt/gvn.wide_ptr_same_provenance.GVN.panic-abort.diff b/tests/mir-opt/gvn.wide_ptr_same_provenance.GVN.panic-abort.diff index 6b6152c1117..1b305e746f5 100644 --- a/tests/mir-opt/gvn.wide_ptr_same_provenance.GVN.panic-abort.diff +++ b/tests/mir-opt/gvn.wide_ptr_same_provenance.GVN.panic-abort.diff @@ -10,62 +10,60 @@ let mut _6: &i32; let _7: &i32; let _8: usize; - let mut _9: usize; - let mut _10: bool; - let mut _12: *const dyn std::marker::Send; - let _13: &dyn std::marker::Send; - let mut _14: &i32; - let _15: &i32; - let _16: usize; - let mut _17: usize; + let mut _9: bool; + let mut _11: *const dyn std::marker::Send; + let _12: &dyn std::marker::Send; + let mut _13: &i32; + let _14: &i32; + let _15: usize; + let mut _16: bool; + let _17: (); let mut _18: bool; - let _19: (); - let mut _20: bool; + let mut _19: *const dyn std::marker::Send; + let mut _20: *const dyn std::marker::Send; let mut _21: *const dyn std::marker::Send; - let mut _22: *const dyn std::marker::Send; - let mut _23: *const dyn std::marker::Send; - let _24: (); - let mut _25: bool; + let _22: (); + let mut _23: bool; + let mut _24: *const dyn std::marker::Send; + let mut _25: *const dyn std::marker::Send; let mut _26: *const dyn std::marker::Send; - let mut _27: *const dyn std::marker::Send; - let mut _28: *const dyn std::marker::Send; - let _29: (); - let mut _30: bool; + let _27: (); + let mut _28: bool; + let mut _29: *const dyn std::marker::Send; + let mut _30: *const dyn std::marker::Send; let mut _31: *const dyn std::marker::Send; - let mut _32: *const dyn std::marker::Send; - let mut _33: *const dyn std::marker::Send; - let _34: (); - let mut _35: bool; + let _32: (); + let mut _33: bool; + let mut _34: *const dyn std::marker::Send; + let mut _35: *const dyn std::marker::Send; let mut _36: *const dyn std::marker::Send; - let mut _37: *const dyn std::marker::Send; - let mut _38: *const dyn std::marker::Send; - let _39: (); - let mut _40: bool; + let _37: (); + let mut _38: bool; + let mut _39: *const dyn std::marker::Send; + let mut _40: *const dyn std::marker::Send; let mut _41: *const dyn std::marker::Send; - let mut _42: *const dyn std::marker::Send; - let mut _43: *const dyn std::marker::Send; - let _44: (); - let mut _45: bool; + let _42: (); + let mut _43: bool; + let mut _44: *const dyn std::marker::Send; + let mut _45: *const dyn std::marker::Send; let mut _46: *const dyn std::marker::Send; - let mut _47: *const dyn std::marker::Send; - let mut _48: *const dyn std::marker::Send; - let mut _49: &[i32; 2]; + let mut _47: &[i32; 2]; scope 1 { debug slice => _1; let _3: *const dyn std::marker::Send; scope 2 { debug a => _3; - let _11: *const dyn std::marker::Send; + let _10: *const dyn std::marker::Send; scope 3 { - debug b => _11; + debug b => _10; } } } bb0: { StorageLive(_1); - _49 = const wide_ptr_same_provenance::promoted[0]; - _1 = &(*_49); + _47 = const wide_ptr_same_provenance::promoted[0]; + _1 = &(*_47); StorageLive(_3); - StorageLive(_4); + nop; @@ -74,11 +72,9 @@ StorageLive(_7); StorageLive(_8); _8 = const 0_usize; -- _9 = Len((*_1)); -- _10 = Lt(copy _8, copy _9); -- assert(move _10, "index out of bounds: the length is {} but the index is {}", move _9, copy _8) -> [success: bb1, unwind unreachable]; -+ _9 = const 2_usize; -+ _10 = const true; +- _9 = Lt(copy _8, const 2_usize); +- assert(move _9, "index out of bounds: the length is {} but the index is {}", const 2_usize, copy _8) -> [success: bb1, unwind unreachable]; ++ _9 = const true; + assert(const true, "index out of bounds: the length is {} but the index is {}", const 2_usize, const 0_usize) -> [success: bb1, unwind unreachable]; } @@ -95,170 +91,168 @@ + nop; StorageDead(_7); StorageDead(_5); - StorageLive(_11); -- StorageLive(_12); + StorageLive(_10); +- StorageLive(_11); + nop; + StorageLive(_12); StorageLive(_13); StorageLive(_14); StorageLive(_15); - StorageLive(_16); - _16 = const 1_usize; -- _17 = Len((*_1)); -- _18 = Lt(copy _16, copy _17); -- assert(move _18, "index out of bounds: the length is {} but the index is {}", move _17, copy _16) -> [success: bb2, unwind unreachable]; -+ _17 = const 2_usize; -+ _18 = const true; + _15 = const 1_usize; +- _16 = Lt(copy _15, const 2_usize); +- assert(move _16, "index out of bounds: the length is {} but the index is {}", const 2_usize, copy _15) -> [success: bb2, unwind unreachable]; ++ _16 = const true; + assert(const true, "index out of bounds: the length is {} but the index is {}", const 2_usize, const 1_usize) -> [success: bb2, unwind unreachable]; } bb2: { -- _15 = &(*_1)[_16]; -+ _15 = &(*_1)[1 of 2]; - _14 = &(*_15); - _13 = move _14 as &dyn std::marker::Send (PointerCoercion(Unsize, AsCast)); - StorageDead(_14); - _12 = &raw const (*_13); -- _11 = move _12 as *const dyn std::marker::Send (PointerCoercion(Unsize, Implicit)); -- StorageDead(_12); -+ _11 = copy _12; -+ nop; - StorageDead(_15); +- _14 = &(*_1)[_15]; ++ _14 = &(*_1)[1 of 2]; + _13 = &(*_14); + _12 = move _13 as &dyn std::marker::Send (PointerCoercion(Unsize, AsCast)); StorageDead(_13); + _11 = &raw const (*_12); +- _10 = move _11 as *const dyn std::marker::Send (PointerCoercion(Unsize, Implicit)); +- StorageDead(_11); ++ _10 = copy _11; ++ nop; + StorageDead(_14); + StorageDead(_12); + StorageLive(_17); + StorageLive(_18); StorageLive(_19); +- _19 = copy _3; ++ _19 = copy _4; StorageLive(_20); StorageLive(_21); -- _21 = copy _3; -+ _21 = copy _4; - StorageLive(_22); - StorageLive(_23); -- _23 = copy _11; -- _22 = move _23 as *const dyn std::marker::Send (PointerCoercion(Unsize, Implicit)); -+ _23 = copy _12; -+ _22 = copy _12; - StorageDead(_23); -- _20 = Eq(move _21, move _22); -+ _20 = Eq(copy _4, copy _12); - StorageDead(_22); +- _21 = copy _10; +- _20 = move _21 as *const dyn std::marker::Send (PointerCoercion(Unsize, Implicit)); ++ _21 = copy _11; ++ _20 = copy _11; StorageDead(_21); - _19 = opaque::<bool>(move _20) -> [return: bb3, unwind unreachable]; +- _18 = Eq(move _19, move _20); ++ _18 = Eq(copy _4, copy _11); + StorageDead(_20); + StorageDead(_19); + _17 = opaque::<bool>(move _18) -> [return: bb3, unwind unreachable]; } bb3: { - StorageDead(_20); - StorageDead(_19); + StorageDead(_18); + StorageDead(_17); + StorageLive(_22); + StorageLive(_23); StorageLive(_24); +- _24 = copy _3; ++ _24 = copy _4; StorageLive(_25); StorageLive(_26); -- _26 = copy _3; -+ _26 = copy _4; - StorageLive(_27); - StorageLive(_28); -- _28 = copy _11; -- _27 = move _28 as *const dyn std::marker::Send (PointerCoercion(Unsize, Implicit)); -+ _28 = copy _12; -+ _27 = copy _12; - StorageDead(_28); -- _25 = Ne(move _26, move _27); -+ _25 = Ne(copy _4, copy _12); - StorageDead(_27); +- _26 = copy _10; +- _25 = move _26 as *const dyn std::marker::Send (PointerCoercion(Unsize, Implicit)); ++ _26 = copy _11; ++ _25 = copy _11; StorageDead(_26); - _24 = opaque::<bool>(move _25) -> [return: bb4, unwind unreachable]; +- _23 = Ne(move _24, move _25); ++ _23 = Ne(copy _4, copy _11); + StorageDead(_25); + StorageDead(_24); + _22 = opaque::<bool>(move _23) -> [return: bb4, unwind unreachable]; } bb4: { - StorageDead(_25); - StorageDead(_24); + StorageDead(_23); + StorageDead(_22); + StorageLive(_27); + StorageLive(_28); StorageLive(_29); +- _29 = copy _3; ++ _29 = copy _4; StorageLive(_30); StorageLive(_31); -- _31 = copy _3; -+ _31 = copy _4; - StorageLive(_32); - StorageLive(_33); -- _33 = copy _11; -- _32 = move _33 as *const dyn std::marker::Send (PointerCoercion(Unsize, Implicit)); -+ _33 = copy _12; -+ _32 = copy _12; - StorageDead(_33); -- _30 = Lt(move _31, move _32); -+ _30 = Lt(copy _4, copy _12); - StorageDead(_32); +- _31 = copy _10; +- _30 = move _31 as *const dyn std::marker::Send (PointerCoercion(Unsize, Implicit)); ++ _31 = copy _11; ++ _30 = copy _11; StorageDead(_31); - _29 = opaque::<bool>(move _30) -> [return: bb5, unwind unreachable]; +- _28 = Lt(move _29, move _30); ++ _28 = Lt(copy _4, copy _11); + StorageDead(_30); + StorageDead(_29); + _27 = opaque::<bool>(move _28) -> [return: bb5, unwind unreachable]; } bb5: { - StorageDead(_30); - StorageDead(_29); + StorageDead(_28); + StorageDead(_27); + StorageLive(_32); + StorageLive(_33); StorageLive(_34); +- _34 = copy _3; ++ _34 = copy _4; StorageLive(_35); StorageLive(_36); -- _36 = copy _3; -+ _36 = copy _4; - StorageLive(_37); - StorageLive(_38); -- _38 = copy _11; -- _37 = move _38 as *const dyn std::marker::Send (PointerCoercion(Unsize, Implicit)); -+ _38 = copy _12; -+ _37 = copy _12; - StorageDead(_38); -- _35 = Le(move _36, move _37); -+ _35 = Le(copy _4, copy _12); - StorageDead(_37); +- _36 = copy _10; +- _35 = move _36 as *const dyn std::marker::Send (PointerCoercion(Unsize, Implicit)); ++ _36 = copy _11; ++ _35 = copy _11; StorageDead(_36); - _34 = opaque::<bool>(move _35) -> [return: bb6, unwind unreachable]; +- _33 = Le(move _34, move _35); ++ _33 = Le(copy _4, copy _11); + StorageDead(_35); + StorageDead(_34); + _32 = opaque::<bool>(move _33) -> [return: bb6, unwind unreachable]; } bb6: { - StorageDead(_35); - StorageDead(_34); + StorageDead(_33); + StorageDead(_32); + StorageLive(_37); + StorageLive(_38); StorageLive(_39); +- _39 = copy _3; ++ _39 = copy _4; StorageLive(_40); StorageLive(_41); -- _41 = copy _3; -+ _41 = copy _4; - StorageLive(_42); - StorageLive(_43); -- _43 = copy _11; -- _42 = move _43 as *const dyn std::marker::Send (PointerCoercion(Unsize, Implicit)); -+ _43 = copy _12; -+ _42 = copy _12; - StorageDead(_43); -- _40 = Gt(move _41, move _42); -+ _40 = Gt(copy _4, copy _12); - StorageDead(_42); +- _41 = copy _10; +- _40 = move _41 as *const dyn std::marker::Send (PointerCoercion(Unsize, Implicit)); ++ _41 = copy _11; ++ _40 = copy _11; StorageDead(_41); - _39 = opaque::<bool>(move _40) -> [return: bb7, unwind unreachable]; +- _38 = Gt(move _39, move _40); ++ _38 = Gt(copy _4, copy _11); + StorageDead(_40); + StorageDead(_39); + _37 = opaque::<bool>(move _38) -> [return: bb7, unwind unreachable]; } bb7: { - StorageDead(_40); - StorageDead(_39); + StorageDead(_38); + StorageDead(_37); + StorageLive(_42); + StorageLive(_43); StorageLive(_44); +- _44 = copy _3; ++ _44 = copy _4; StorageLive(_45); StorageLive(_46); -- _46 = copy _3; -+ _46 = copy _4; - StorageLive(_47); - StorageLive(_48); -- _48 = copy _11; -- _47 = move _48 as *const dyn std::marker::Send (PointerCoercion(Unsize, Implicit)); -+ _48 = copy _12; -+ _47 = copy _12; - StorageDead(_48); -- _45 = Ge(move _46, move _47); -+ _45 = Ge(copy _4, copy _12); - StorageDead(_47); +- _46 = copy _10; +- _45 = move _46 as *const dyn std::marker::Send (PointerCoercion(Unsize, Implicit)); ++ _46 = copy _11; ++ _45 = copy _11; StorageDead(_46); - _44 = opaque::<bool>(move _45) -> [return: bb8, unwind unreachable]; +- _43 = Ge(move _44, move _45); ++ _43 = Ge(copy _4, copy _11); + StorageDead(_45); + StorageDead(_44); + _42 = opaque::<bool>(move _43) -> [return: bb8, unwind unreachable]; } bb8: { - StorageDead(_45); - StorageDead(_44); + StorageDead(_43); + StorageDead(_42); _0 = const (); - StorageDead(_16); - StorageDead(_11); + StorageDead(_15); + StorageDead(_10); StorageDead(_8); StorageDead(_3); StorageDead(_1); diff --git a/tests/mir-opt/gvn.wide_ptr_same_provenance.GVN.panic-unwind.diff b/tests/mir-opt/gvn.wide_ptr_same_provenance.GVN.panic-unwind.diff index 093c1ec6ce3..e418ecf25bd 100644 --- a/tests/mir-opt/gvn.wide_ptr_same_provenance.GVN.panic-unwind.diff +++ b/tests/mir-opt/gvn.wide_ptr_same_provenance.GVN.panic-unwind.diff @@ -10,62 +10,60 @@ let mut _6: &i32; let _7: &i32; let _8: usize; - let mut _9: usize; - let mut _10: bool; - let mut _12: *const dyn std::marker::Send; - let _13: &dyn std::marker::Send; - let mut _14: &i32; - let _15: &i32; - let _16: usize; - let mut _17: usize; + let mut _9: bool; + let mut _11: *const dyn std::marker::Send; + let _12: &dyn std::marker::Send; + let mut _13: &i32; + let _14: &i32; + let _15: usize; + let mut _16: bool; + let _17: (); let mut _18: bool; - let _19: (); - let mut _20: bool; + let mut _19: *const dyn std::marker::Send; + let mut _20: *const dyn std::marker::Send; let mut _21: *const dyn std::marker::Send; - let mut _22: *const dyn std::marker::Send; - let mut _23: *const dyn std::marker::Send; - let _24: (); - let mut _25: bool; + let _22: (); + let mut _23: bool; + let mut _24: *const dyn std::marker::Send; + let mut _25: *const dyn std::marker::Send; let mut _26: *const dyn std::marker::Send; - let mut _27: *const dyn std::marker::Send; - let mut _28: *const dyn std::marker::Send; - let _29: (); - let mut _30: bool; + let _27: (); + let mut _28: bool; + let mut _29: *const dyn std::marker::Send; + let mut _30: *const dyn std::marker::Send; let mut _31: *const dyn std::marker::Send; - let mut _32: *const dyn std::marker::Send; - let mut _33: *const dyn std::marker::Send; - let _34: (); - let mut _35: bool; + let _32: (); + let mut _33: bool; + let mut _34: *const dyn std::marker::Send; + let mut _35: *const dyn std::marker::Send; let mut _36: *const dyn std::marker::Send; - let mut _37: *const dyn std::marker::Send; - let mut _38: *const dyn std::marker::Send; - let _39: (); - let mut _40: bool; + let _37: (); + let mut _38: bool; + let mut _39: *const dyn std::marker::Send; + let mut _40: *const dyn std::marker::Send; let mut _41: *const dyn std::marker::Send; - let mut _42: *const dyn std::marker::Send; - let mut _43: *const dyn std::marker::Send; - let _44: (); - let mut _45: bool; + let _42: (); + let mut _43: bool; + let mut _44: *const dyn std::marker::Send; + let mut _45: *const dyn std::marker::Send; let mut _46: *const dyn std::marker::Send; - let mut _47: *const dyn std::marker::Send; - let mut _48: *const dyn std::marker::Send; - let mut _49: &[i32; 2]; + let mut _47: &[i32; 2]; scope 1 { debug slice => _1; let _3: *const dyn std::marker::Send; scope 2 { debug a => _3; - let _11: *const dyn std::marker::Send; + let _10: *const dyn std::marker::Send; scope 3 { - debug b => _11; + debug b => _10; } } } bb0: { StorageLive(_1); - _49 = const wide_ptr_same_provenance::promoted[0]; - _1 = &(*_49); + _47 = const wide_ptr_same_provenance::promoted[0]; + _1 = &(*_47); StorageLive(_3); - StorageLive(_4); + nop; @@ -74,11 +72,9 @@ StorageLive(_7); StorageLive(_8); _8 = const 0_usize; -- _9 = Len((*_1)); -- _10 = Lt(copy _8, copy _9); -- assert(move _10, "index out of bounds: the length is {} but the index is {}", move _9, copy _8) -> [success: bb1, unwind continue]; -+ _9 = const 2_usize; -+ _10 = const true; +- _9 = Lt(copy _8, const 2_usize); +- assert(move _9, "index out of bounds: the length is {} but the index is {}", const 2_usize, copy _8) -> [success: bb1, unwind continue]; ++ _9 = const true; + assert(const true, "index out of bounds: the length is {} but the index is {}", const 2_usize, const 0_usize) -> [success: bb1, unwind continue]; } @@ -95,170 +91,168 @@ + nop; StorageDead(_7); StorageDead(_5); - StorageLive(_11); -- StorageLive(_12); + StorageLive(_10); +- StorageLive(_11); + nop; + StorageLive(_12); StorageLive(_13); StorageLive(_14); StorageLive(_15); - StorageLive(_16); - _16 = const 1_usize; -- _17 = Len((*_1)); -- _18 = Lt(copy _16, copy _17); -- assert(move _18, "index out of bounds: the length is {} but the index is {}", move _17, copy _16) -> [success: bb2, unwind continue]; -+ _17 = const 2_usize; -+ _18 = const true; + _15 = const 1_usize; +- _16 = Lt(copy _15, const 2_usize); +- assert(move _16, "index out of bounds: the length is {} but the index is {}", const 2_usize, copy _15) -> [success: bb2, unwind continue]; ++ _16 = const true; + assert(const true, "index out of bounds: the length is {} but the index is {}", const 2_usize, const 1_usize) -> [success: bb2, unwind continue]; } bb2: { -- _15 = &(*_1)[_16]; -+ _15 = &(*_1)[1 of 2]; - _14 = &(*_15); - _13 = move _14 as &dyn std::marker::Send (PointerCoercion(Unsize, AsCast)); - StorageDead(_14); - _12 = &raw const (*_13); -- _11 = move _12 as *const dyn std::marker::Send (PointerCoercion(Unsize, Implicit)); -- StorageDead(_12); -+ _11 = copy _12; -+ nop; - StorageDead(_15); +- _14 = &(*_1)[_15]; ++ _14 = &(*_1)[1 of 2]; + _13 = &(*_14); + _12 = move _13 as &dyn std::marker::Send (PointerCoercion(Unsize, AsCast)); StorageDead(_13); + _11 = &raw const (*_12); +- _10 = move _11 as *const dyn std::marker::Send (PointerCoercion(Unsize, Implicit)); +- StorageDead(_11); ++ _10 = copy _11; ++ nop; + StorageDead(_14); + StorageDead(_12); + StorageLive(_17); + StorageLive(_18); StorageLive(_19); +- _19 = copy _3; ++ _19 = copy _4; StorageLive(_20); StorageLive(_21); -- _21 = copy _3; -+ _21 = copy _4; - StorageLive(_22); - StorageLive(_23); -- _23 = copy _11; -- _22 = move _23 as *const dyn std::marker::Send (PointerCoercion(Unsize, Implicit)); -+ _23 = copy _12; -+ _22 = copy _12; - StorageDead(_23); -- _20 = Eq(move _21, move _22); -+ _20 = Eq(copy _4, copy _12); - StorageDead(_22); +- _21 = copy _10; +- _20 = move _21 as *const dyn std::marker::Send (PointerCoercion(Unsize, Implicit)); ++ _21 = copy _11; ++ _20 = copy _11; StorageDead(_21); - _19 = opaque::<bool>(move _20) -> [return: bb3, unwind continue]; +- _18 = Eq(move _19, move _20); ++ _18 = Eq(copy _4, copy _11); + StorageDead(_20); + StorageDead(_19); + _17 = opaque::<bool>(move _18) -> [return: bb3, unwind continue]; } bb3: { - StorageDead(_20); - StorageDead(_19); + StorageDead(_18); + StorageDead(_17); + StorageLive(_22); + StorageLive(_23); StorageLive(_24); +- _24 = copy _3; ++ _24 = copy _4; StorageLive(_25); StorageLive(_26); -- _26 = copy _3; -+ _26 = copy _4; - StorageLive(_27); - StorageLive(_28); -- _28 = copy _11; -- _27 = move _28 as *const dyn std::marker::Send (PointerCoercion(Unsize, Implicit)); -+ _28 = copy _12; -+ _27 = copy _12; - StorageDead(_28); -- _25 = Ne(move _26, move _27); -+ _25 = Ne(copy _4, copy _12); - StorageDead(_27); +- _26 = copy _10; +- _25 = move _26 as *const dyn std::marker::Send (PointerCoercion(Unsize, Implicit)); ++ _26 = copy _11; ++ _25 = copy _11; StorageDead(_26); - _24 = opaque::<bool>(move _25) -> [return: bb4, unwind continue]; +- _23 = Ne(move _24, move _25); ++ _23 = Ne(copy _4, copy _11); + StorageDead(_25); + StorageDead(_24); + _22 = opaque::<bool>(move _23) -> [return: bb4, unwind continue]; } bb4: { - StorageDead(_25); - StorageDead(_24); + StorageDead(_23); + StorageDead(_22); + StorageLive(_27); + StorageLive(_28); StorageLive(_29); +- _29 = copy _3; ++ _29 = copy _4; StorageLive(_30); StorageLive(_31); -- _31 = copy _3; -+ _31 = copy _4; - StorageLive(_32); - StorageLive(_33); -- _33 = copy _11; -- _32 = move _33 as *const dyn std::marker::Send (PointerCoercion(Unsize, Implicit)); -+ _33 = copy _12; -+ _32 = copy _12; - StorageDead(_33); -- _30 = Lt(move _31, move _32); -+ _30 = Lt(copy _4, copy _12); - StorageDead(_32); +- _31 = copy _10; +- _30 = move _31 as *const dyn std::marker::Send (PointerCoercion(Unsize, Implicit)); ++ _31 = copy _11; ++ _30 = copy _11; StorageDead(_31); - _29 = opaque::<bool>(move _30) -> [return: bb5, unwind continue]; +- _28 = Lt(move _29, move _30); ++ _28 = Lt(copy _4, copy _11); + StorageDead(_30); + StorageDead(_29); + _27 = opaque::<bool>(move _28) -> [return: bb5, unwind continue]; } bb5: { - StorageDead(_30); - StorageDead(_29); + StorageDead(_28); + StorageDead(_27); + StorageLive(_32); + StorageLive(_33); StorageLive(_34); +- _34 = copy _3; ++ _34 = copy _4; StorageLive(_35); StorageLive(_36); -- _36 = copy _3; -+ _36 = copy _4; - StorageLive(_37); - StorageLive(_38); -- _38 = copy _11; -- _37 = move _38 as *const dyn std::marker::Send (PointerCoercion(Unsize, Implicit)); -+ _38 = copy _12; -+ _37 = copy _12; - StorageDead(_38); -- _35 = Le(move _36, move _37); -+ _35 = Le(copy _4, copy _12); - StorageDead(_37); +- _36 = copy _10; +- _35 = move _36 as *const dyn std::marker::Send (PointerCoercion(Unsize, Implicit)); ++ _36 = copy _11; ++ _35 = copy _11; StorageDead(_36); - _34 = opaque::<bool>(move _35) -> [return: bb6, unwind continue]; +- _33 = Le(move _34, move _35); ++ _33 = Le(copy _4, copy _11); + StorageDead(_35); + StorageDead(_34); + _32 = opaque::<bool>(move _33) -> [return: bb6, unwind continue]; } bb6: { - StorageDead(_35); - StorageDead(_34); + StorageDead(_33); + StorageDead(_32); + StorageLive(_37); + StorageLive(_38); StorageLive(_39); +- _39 = copy _3; ++ _39 = copy _4; StorageLive(_40); StorageLive(_41); -- _41 = copy _3; -+ _41 = copy _4; - StorageLive(_42); - StorageLive(_43); -- _43 = copy _11; -- _42 = move _43 as *const dyn std::marker::Send (PointerCoercion(Unsize, Implicit)); -+ _43 = copy _12; -+ _42 = copy _12; - StorageDead(_43); -- _40 = Gt(move _41, move _42); -+ _40 = Gt(copy _4, copy _12); - StorageDead(_42); +- _41 = copy _10; +- _40 = move _41 as *const dyn std::marker::Send (PointerCoercion(Unsize, Implicit)); ++ _41 = copy _11; ++ _40 = copy _11; StorageDead(_41); - _39 = opaque::<bool>(move _40) -> [return: bb7, unwind continue]; +- _38 = Gt(move _39, move _40); ++ _38 = Gt(copy _4, copy _11); + StorageDead(_40); + StorageDead(_39); + _37 = opaque::<bool>(move _38) -> [return: bb7, unwind continue]; } bb7: { - StorageDead(_40); - StorageDead(_39); + StorageDead(_38); + StorageDead(_37); + StorageLive(_42); + StorageLive(_43); StorageLive(_44); +- _44 = copy _3; ++ _44 = copy _4; StorageLive(_45); StorageLive(_46); -- _46 = copy _3; -+ _46 = copy _4; - StorageLive(_47); - StorageLive(_48); -- _48 = copy _11; -- _47 = move _48 as *const dyn std::marker::Send (PointerCoercion(Unsize, Implicit)); -+ _48 = copy _12; -+ _47 = copy _12; - StorageDead(_48); -- _45 = Ge(move _46, move _47); -+ _45 = Ge(copy _4, copy _12); - StorageDead(_47); +- _46 = copy _10; +- _45 = move _46 as *const dyn std::marker::Send (PointerCoercion(Unsize, Implicit)); ++ _46 = copy _11; ++ _45 = copy _11; StorageDead(_46); - _44 = opaque::<bool>(move _45) -> [return: bb8, unwind continue]; +- _43 = Ge(move _44, move _45); ++ _43 = Ge(copy _4, copy _11); + StorageDead(_45); + StorageDead(_44); + _42 = opaque::<bool>(move _43) -> [return: bb8, unwind continue]; } bb8: { - StorageDead(_45); - StorageDead(_44); + StorageDead(_43); + StorageDead(_42); _0 = const (); - StorageDead(_16); - StorageDead(_11); + StorageDead(_15); + StorageDead(_10); StorageDead(_8); StorageDead(_3); StorageDead(_1); diff --git a/tests/mir-opt/instsimplify/combine_array_len.norm2.InstSimplify-after-simplifycfg.panic-abort.diff b/tests/mir-opt/instsimplify/combine_array_len.norm2.InstSimplify-after-simplifycfg.panic-abort.diff deleted file mode 100644 index f39df7ffca0..00000000000 --- a/tests/mir-opt/instsimplify/combine_array_len.norm2.InstSimplify-after-simplifycfg.panic-abort.diff +++ /dev/null @@ -1,77 +0,0 @@ -- // MIR for `norm2` before InstSimplify-after-simplifycfg -+ // MIR for `norm2` after InstSimplify-after-simplifycfg - - fn norm2(_1: [f32; 2]) -> f32 { - debug x => _1; - let mut _0: f32; - let _2: f32; - let _3: usize; - let mut _4: usize; - let mut _5: bool; - let _7: usize; - let mut _8: usize; - let mut _9: bool; - let mut _10: f32; - let mut _11: f32; - let mut _12: f32; - let mut _13: f32; - let mut _14: f32; - let mut _15: f32; - scope 1 { - debug a => _2; - let _6: f32; - scope 2 { - debug b => _6; - } - } - - bb0: { - StorageLive(_2); - StorageLive(_3); - _3 = const 0_usize; -- _4 = Len(_1); -+ _4 = const 2_usize; - _5 = Lt(copy _3, copy _4); - assert(move _5, "index out of bounds: the length is {} but the index is {}", move _4, copy _3) -> [success: bb1, unwind unreachable]; - } - - bb1: { - _2 = copy _1[_3]; - StorageDead(_3); - StorageLive(_6); - StorageLive(_7); - _7 = const 1_usize; -- _8 = Len(_1); -+ _8 = const 2_usize; - _9 = Lt(copy _7, copy _8); - assert(move _9, "index out of bounds: the length is {} but the index is {}", move _8, copy _7) -> [success: bb2, unwind unreachable]; - } - - bb2: { - _6 = copy _1[_7]; - StorageDead(_7); - StorageLive(_10); - StorageLive(_11); - _11 = copy _2; - StorageLive(_12); - _12 = copy _2; - _10 = Mul(move _11, move _12); - StorageDead(_12); - StorageDead(_11); - StorageLive(_13); - StorageLive(_14); - _14 = copy _6; - StorageLive(_15); - _15 = copy _6; - _13 = Mul(move _14, move _15); - StorageDead(_15); - StorageDead(_14); - _0 = Add(move _10, move _13); - StorageDead(_13); - StorageDead(_10); - StorageDead(_6); - StorageDead(_2); - return; - } - } - diff --git a/tests/mir-opt/instsimplify/combine_array_len.norm2.InstSimplify-after-simplifycfg.panic-unwind.diff b/tests/mir-opt/instsimplify/combine_array_len.norm2.InstSimplify-after-simplifycfg.panic-unwind.diff deleted file mode 100644 index 0e7d5653c68..00000000000 --- a/tests/mir-opt/instsimplify/combine_array_len.norm2.InstSimplify-after-simplifycfg.panic-unwind.diff +++ /dev/null @@ -1,77 +0,0 @@ -- // MIR for `norm2` before InstSimplify-after-simplifycfg -+ // MIR for `norm2` after InstSimplify-after-simplifycfg - - fn norm2(_1: [f32; 2]) -> f32 { - debug x => _1; - let mut _0: f32; - let _2: f32; - let _3: usize; - let mut _4: usize; - let mut _5: bool; - let _7: usize; - let mut _8: usize; - let mut _9: bool; - let mut _10: f32; - let mut _11: f32; - let mut _12: f32; - let mut _13: f32; - let mut _14: f32; - let mut _15: f32; - scope 1 { - debug a => _2; - let _6: f32; - scope 2 { - debug b => _6; - } - } - - bb0: { - StorageLive(_2); - StorageLive(_3); - _3 = const 0_usize; -- _4 = Len(_1); -+ _4 = const 2_usize; - _5 = Lt(copy _3, copy _4); - assert(move _5, "index out of bounds: the length is {} but the index is {}", move _4, copy _3) -> [success: bb1, unwind continue]; - } - - bb1: { - _2 = copy _1[_3]; - StorageDead(_3); - StorageLive(_6); - StorageLive(_7); - _7 = const 1_usize; -- _8 = Len(_1); -+ _8 = const 2_usize; - _9 = Lt(copy _7, copy _8); - assert(move _9, "index out of bounds: the length is {} but the index is {}", move _8, copy _7) -> [success: bb2, unwind continue]; - } - - bb2: { - _6 = copy _1[_7]; - StorageDead(_7); - StorageLive(_10); - StorageLive(_11); - _11 = copy _2; - StorageLive(_12); - _12 = copy _2; - _10 = Mul(move _11, move _12); - StorageDead(_12); - StorageDead(_11); - StorageLive(_13); - StorageLive(_14); - _14 = copy _6; - StorageLive(_15); - _15 = copy _6; - _13 = Mul(move _14, move _15); - StorageDead(_15); - StorageDead(_14); - _0 = Add(move _10, move _13); - StorageDead(_13); - StorageDead(_10); - StorageDead(_6); - StorageDead(_2); - return; - } - } - diff --git a/tests/mir-opt/instsimplify/combine_array_len.rs b/tests/mir-opt/instsimplify/combine_array_len.rs deleted file mode 100644 index 91f43f75689..00000000000 --- a/tests/mir-opt/instsimplify/combine_array_len.rs +++ /dev/null @@ -1,15 +0,0 @@ -// EMIT_MIR_FOR_EACH_PANIC_STRATEGY -//@ test-mir-pass: InstSimplify-after-simplifycfg - -// EMIT_MIR combine_array_len.norm2.InstSimplify-after-simplifycfg.diff -fn norm2(x: [f32; 2]) -> f32 { - // CHECK-LABEL: fn norm2( - // CHECK-NOT: Len( - let a = x[0]; - let b = x[1]; - a * a + b * b -} - -fn main() { - assert_eq!(norm2([3.0, 4.0]), 5.0 * 5.0); -} diff --git a/tests/mir-opt/issue_72181.foo.built.after.mir b/tests/mir-opt/issue_72181.foo.built.after.mir index 314cf8b367f..7593b795432 100644 --- a/tests/mir-opt/issue_72181.foo.built.after.mir +++ b/tests/mir-opt/issue_72181.foo.built.after.mir @@ -4,15 +4,14 @@ fn foo(_1: [(Never, u32); 1]) -> u32 { debug xs => _1; let mut _0: u32; let _2: usize; - let mut _3: usize; - let mut _4: bool; + let mut _3: bool; bb0: { StorageLive(_2); _2 = const 0_usize; - _3 = Len(_1); - _4 = Lt(copy _2, copy _3); - assert(move _4, "index out of bounds: the length is {} but the index is {}", move _3, copy _2) -> [success: bb1, unwind: bb2]; + FakeRead(ForIndex, _1); + _3 = Lt(copy _2, const 1_usize); + assert(move _3, "index out of bounds: the length is {} but the index is {}", const 1_usize, copy _2) -> [success: bb1, unwind: bb2]; } bb1: { diff --git a/tests/mir-opt/issue_72181.main.built.after.mir b/tests/mir-opt/issue_72181.main.built.after.mir index aade84a6dd2..9f3803f5407 100644 --- a/tests/mir-opt/issue_72181.main.built.after.mir +++ b/tests/mir-opt/issue_72181.main.built.after.mir @@ -7,8 +7,7 @@ fn main() -> () { let mut _4: Foo; let mut _5: u64; let _6: usize; - let mut _7: usize; - let mut _8: bool; + let mut _7: bool; scope 1 { let _2: [Foo; 2]; scope 2 { @@ -38,9 +37,9 @@ fn main() -> () { StorageLive(_5); StorageLive(_6); _6 = const 0_usize; - _7 = Len(_2); - _8 = Lt(copy _6, copy _7); - assert(move _8, "index out of bounds: the length is {} but the index is {}", move _7, copy _6) -> [success: bb3, unwind: bb5]; + FakeRead(ForIndex, _2); + _7 = Lt(copy _6, const 2_usize); + assert(move _7, "index out of bounds: the length is {} but the index is {}", const 2_usize, copy _6) -> [success: bb3, unwind: bb5]; } bb2: { diff --git a/tests/mir-opt/issue_91633.foo.built.after.mir b/tests/mir-opt/issue_91633.foo.built.after.mir index 50fdf08375a..bf65b5b4a8c 100644 --- a/tests/mir-opt/issue_91633.foo.built.after.mir +++ b/tests/mir-opt/issue_91633.foo.built.after.mir @@ -6,8 +6,9 @@ fn foo(_1: Box<[T]>) -> T { let _2: T; let mut _3: &T; let _4: usize; - let mut _5: usize; - let mut _6: bool; + let mut _5: *const [T]; + let mut _6: usize; + let mut _7: bool; scope 1 { debug f => _2; } @@ -17,9 +18,10 @@ fn foo(_1: Box<[T]>) -> T { StorageLive(_3); StorageLive(_4); _4 = const 0_usize; - _5 = Len((*_1)); - _6 = Lt(copy _4, copy _5); - assert(move _6, "index out of bounds: the length is {} but the index is {}", move _5, copy _4) -> [success: bb1, unwind: bb5]; + _5 = &raw const (*_1); + _6 = PtrMetadata(move _5); + _7 = Lt(copy _4, copy _6); + assert(move _7, "index out of bounds: the length is {} but the index is {}", move _6, copy _4) -> [success: bb1, unwind: bb5]; } bb1: { diff --git a/tests/mir-opt/issue_91633.fun.built.after.mir b/tests/mir-opt/issue_91633.fun.built.after.mir index 5b41b376719..d2fc438d3e8 100644 --- a/tests/mir-opt/issue_91633.fun.built.after.mir +++ b/tests/mir-opt/issue_91633.fun.built.after.mir @@ -15,7 +15,7 @@ fn fun(_1: &[T]) -> &T { StorageLive(_2); StorageLive(_3); _3 = const 0_usize; - _4 = Len((*_1)); + _4 = PtrMetadata(copy _1); _5 = Lt(copy _3, copy _4); assert(move _5, "index out of bounds: the length is {} but the index is {}", move _4, copy _3) -> [success: bb1, unwind: bb2]; } diff --git a/tests/mir-opt/lower_array_len.array_bound.GVN.panic-abort.diff b/tests/mir-opt/lower_array_len.array_bound.GVN.panic-abort.diff index f052c8f63dc..98c5e868046 100644 --- a/tests/mir-opt/lower_array_len.array_bound.GVN.panic-abort.diff +++ b/tests/mir-opt/lower_array_len.array_bound.GVN.panic-abort.diff @@ -11,16 +11,14 @@ let mut _6: &[u8]; let mut _7: &[u8; N]; let _8: usize; - let mut _9: usize; - let mut _10: bool; + let mut _9: bool; bb0: { - StorageLive(_3); + nop; StorageLive(_4); _4 = copy _1; -- StorageLive(_5); -+ nop; + StorageLive(_5); StorageLive(_6); StorageLive(_7); _7 = &(*_2); @@ -40,16 +38,13 @@ } bb2: { -- StorageDead(_5); -+ nop; + StorageDead(_5); StorageDead(_4); StorageLive(_8); _8 = copy _1; -- _9 = Len((*_2)); -- _10 = Lt(copy _8, copy _9); -- assert(move _10, "index out of bounds: the length is {} but the index is {}", move _9, copy _8) -> [success: bb3, unwind unreachable]; -+ _9 = const N; -+ _10 = copy _3; +- _9 = Lt(copy _8, const N); +- assert(move _9, "index out of bounds: the length is {} but the index is {}", const N, copy _8) -> [success: bb3, unwind unreachable]; ++ _9 = copy _3; + assert(copy _3, "index out of bounds: the length is {} but the index is {}", const N, copy _1) -> [success: bb3, unwind unreachable]; } @@ -61,8 +56,7 @@ } bb4: { -- StorageDead(_5); -+ nop; + StorageDead(_5); StorageDead(_4); _0 = const 42_u8; goto -> bb5; diff --git a/tests/mir-opt/lower_array_len.array_bound.GVN.panic-unwind.diff b/tests/mir-opt/lower_array_len.array_bound.GVN.panic-unwind.diff index 3299e300431..72c73137869 100644 --- a/tests/mir-opt/lower_array_len.array_bound.GVN.panic-unwind.diff +++ b/tests/mir-opt/lower_array_len.array_bound.GVN.panic-unwind.diff @@ -11,16 +11,14 @@ let mut _6: &[u8]; let mut _7: &[u8; N]; let _8: usize; - let mut _9: usize; - let mut _10: bool; + let mut _9: bool; bb0: { - StorageLive(_3); + nop; StorageLive(_4); _4 = copy _1; -- StorageLive(_5); -+ nop; + StorageLive(_5); StorageLive(_6); StorageLive(_7); _7 = &(*_2); @@ -40,16 +38,13 @@ } bb2: { -- StorageDead(_5); -+ nop; + StorageDead(_5); StorageDead(_4); StorageLive(_8); _8 = copy _1; -- _9 = Len((*_2)); -- _10 = Lt(copy _8, copy _9); -- assert(move _10, "index out of bounds: the length is {} but the index is {}", move _9, copy _8) -> [success: bb3, unwind continue]; -+ _9 = const N; -+ _10 = copy _3; +- _9 = Lt(copy _8, const N); +- assert(move _9, "index out of bounds: the length is {} but the index is {}", const N, copy _8) -> [success: bb3, unwind continue]; ++ _9 = copy _3; + assert(copy _3, "index out of bounds: the length is {} but the index is {}", const N, copy _1) -> [success: bb3, unwind continue]; } @@ -61,8 +56,7 @@ } bb4: { -- StorageDead(_5); -+ nop; + StorageDead(_5); StorageDead(_4); _0 = const 42_u8; goto -> bb5; diff --git a/tests/mir-opt/lower_array_len.array_bound_mut.GVN.panic-abort.diff b/tests/mir-opt/lower_array_len.array_bound_mut.GVN.panic-abort.diff index 329eb80b3c4..9ffaf44c02b 100644 --- a/tests/mir-opt/lower_array_len.array_bound_mut.GVN.panic-abort.diff +++ b/tests/mir-opt/lower_array_len.array_bound_mut.GVN.panic-abort.diff @@ -11,19 +11,16 @@ let mut _6: &[u8]; let mut _7: &[u8; N]; let _8: usize; - let mut _9: usize; - let mut _10: bool; - let _11: usize; - let mut _12: usize; - let mut _13: bool; + let mut _9: bool; + let _10: usize; + let mut _11: bool; bb0: { - StorageLive(_3); + nop; StorageLive(_4); _4 = copy _1; -- StorageLive(_5); -+ nop; + StorageLive(_5); StorageLive(_6); StorageLive(_7); _7 = &(*_2); @@ -43,16 +40,13 @@ } bb2: { -- StorageDead(_5); -+ nop; + StorageDead(_5); StorageDead(_4); StorageLive(_8); _8 = copy _1; -- _9 = Len((*_2)); -- _10 = Lt(copy _8, copy _9); -- assert(move _10, "index out of bounds: the length is {} but the index is {}", move _9, copy _8) -> [success: bb3, unwind unreachable]; -+ _9 = const N; -+ _10 = copy _3; +- _9 = Lt(copy _8, const N); +- assert(move _9, "index out of bounds: the length is {} but the index is {}", const N, copy _8) -> [success: bb3, unwind unreachable]; ++ _9 = copy _3; + assert(copy _3, "index out of bounds: the length is {} but the index is {}", const N, copy _1) -> [success: bb3, unwind unreachable]; } @@ -64,23 +58,20 @@ } bb4: { -- StorageDead(_5); -+ nop; + StorageDead(_5); StorageDead(_4); - StorageLive(_11); - _11 = const 0_usize; -- _12 = Len((*_2)); -- _13 = Lt(copy _11, copy _12); -- assert(move _13, "index out of bounds: the length is {} but the index is {}", move _12, copy _11) -> [success: bb5, unwind unreachable]; -+ _12 = const N; -+ _13 = Lt(const 0_usize, const N); -+ assert(move _13, "index out of bounds: the length is {} but the index is {}", const N, const 0_usize) -> [success: bb5, unwind unreachable]; + StorageLive(_10); + _10 = const 0_usize; +- _11 = Lt(copy _10, const N); +- assert(move _11, "index out of bounds: the length is {} but the index is {}", const N, copy _10) -> [success: bb5, unwind unreachable]; ++ _11 = Lt(const 0_usize, const N); ++ assert(move _11, "index out of bounds: the length is {} but the index is {}", const N, const 0_usize) -> [success: bb5, unwind unreachable]; } bb5: { -- (*_2)[_11] = const 42_u8; +- (*_2)[_10] = const 42_u8; + (*_2)[0 of 1] = const 42_u8; - StorageDead(_11); + StorageDead(_10); _0 = const 42_u8; goto -> bb6; } diff --git a/tests/mir-opt/lower_array_len.array_bound_mut.GVN.panic-unwind.diff b/tests/mir-opt/lower_array_len.array_bound_mut.GVN.panic-unwind.diff index ab007e133ec..08008e46335 100644 --- a/tests/mir-opt/lower_array_len.array_bound_mut.GVN.panic-unwind.diff +++ b/tests/mir-opt/lower_array_len.array_bound_mut.GVN.panic-unwind.diff @@ -11,19 +11,16 @@ let mut _6: &[u8]; let mut _7: &[u8; N]; let _8: usize; - let mut _9: usize; - let mut _10: bool; - let _11: usize; - let mut _12: usize; - let mut _13: bool; + let mut _9: bool; + let _10: usize; + let mut _11: bool; bb0: { - StorageLive(_3); + nop; StorageLive(_4); _4 = copy _1; -- StorageLive(_5); -+ nop; + StorageLive(_5); StorageLive(_6); StorageLive(_7); _7 = &(*_2); @@ -43,16 +40,13 @@ } bb2: { -- StorageDead(_5); -+ nop; + StorageDead(_5); StorageDead(_4); StorageLive(_8); _8 = copy _1; -- _9 = Len((*_2)); -- _10 = Lt(copy _8, copy _9); -- assert(move _10, "index out of bounds: the length is {} but the index is {}", move _9, copy _8) -> [success: bb3, unwind continue]; -+ _9 = const N; -+ _10 = copy _3; +- _9 = Lt(copy _8, const N); +- assert(move _9, "index out of bounds: the length is {} but the index is {}", const N, copy _8) -> [success: bb3, unwind continue]; ++ _9 = copy _3; + assert(copy _3, "index out of bounds: the length is {} but the index is {}", const N, copy _1) -> [success: bb3, unwind continue]; } @@ -64,23 +58,20 @@ } bb4: { -- StorageDead(_5); -+ nop; + StorageDead(_5); StorageDead(_4); - StorageLive(_11); - _11 = const 0_usize; -- _12 = Len((*_2)); -- _13 = Lt(copy _11, copy _12); -- assert(move _13, "index out of bounds: the length is {} but the index is {}", move _12, copy _11) -> [success: bb5, unwind continue]; -+ _12 = const N; -+ _13 = Lt(const 0_usize, const N); -+ assert(move _13, "index out of bounds: the length is {} but the index is {}", const N, const 0_usize) -> [success: bb5, unwind continue]; + StorageLive(_10); + _10 = const 0_usize; +- _11 = Lt(copy _10, const N); +- assert(move _11, "index out of bounds: the length is {} but the index is {}", const N, copy _10) -> [success: bb5, unwind continue]; ++ _11 = Lt(const 0_usize, const N); ++ assert(move _11, "index out of bounds: the length is {} but the index is {}", const N, const 0_usize) -> [success: bb5, unwind continue]; } bb5: { -- (*_2)[_11] = const 42_u8; +- (*_2)[_10] = const 42_u8; + (*_2)[0 of 1] = const 42_u8; - StorageDead(_11); + StorageDead(_10); _0 = const 42_u8; goto -> bb6; } diff --git a/tests/mir-opt/lower_slice_len.bound.LowerSliceLenCalls.panic-abort.diff b/tests/mir-opt/lower_slice_len.bound.LowerSliceLenCalls.panic-abort.diff index 20001f1248e..4b39e18d16c 100644 --- a/tests/mir-opt/lower_slice_len.bound.LowerSliceLenCalls.panic-abort.diff +++ b/tests/mir-opt/lower_slice_len.bound.LowerSliceLenCalls.panic-abort.diff @@ -36,7 +36,7 @@ StorageDead(_4); StorageLive(_7); _7 = copy _1; - _8 = Len((*_2)); + _8 = PtrMetadata(copy _2); _9 = Lt(copy _7, copy _8); assert(move _9, "index out of bounds: the length is {} but the index is {}", move _8, copy _7) -> [success: bb3, unwind unreachable]; } diff --git a/tests/mir-opt/lower_slice_len.bound.LowerSliceLenCalls.panic-unwind.diff b/tests/mir-opt/lower_slice_len.bound.LowerSliceLenCalls.panic-unwind.diff index ca8f92df5de..f0d4afa21ae 100644 --- a/tests/mir-opt/lower_slice_len.bound.LowerSliceLenCalls.panic-unwind.diff +++ b/tests/mir-opt/lower_slice_len.bound.LowerSliceLenCalls.panic-unwind.diff @@ -36,7 +36,7 @@ StorageDead(_4); StorageLive(_7); _7 = copy _1; - _8 = Len((*_2)); + _8 = PtrMetadata(copy _2); _9 = Lt(copy _7, copy _8); assert(move _9, "index out of bounds: the length is {} but the index is {}", move _8, copy _7) -> [success: bb3, unwind continue]; } diff --git a/tests/mir-opt/nll/region_subtyping_basic.main.nll.0.32bit.mir b/tests/mir-opt/nll/region_subtyping_basic.main.nll.0.32bit.mir index 7294302609a..42b38803336 100644 --- a/tests/mir-opt/nll/region_subtyping_basic.main.nll.0.32bit.mir +++ b/tests/mir-opt/nll/region_subtyping_basic.main.nll.0.32bit.mir @@ -27,20 +27,19 @@ fn main() -> () { let mut _0: (); let mut _1: [usize; ValTree(Leaf(0x00000003): usize)]; let _3: usize; - let mut _4: usize; - let mut _5: bool; - let mut _7: bool; - let _8: bool; - let mut _9: usize; - let _10: bool; + let mut _4: bool; + let mut _6: bool; + let _7: bool; + let mut _8: usize; + let _9: bool; scope 1 { debug v => _1; let _2: &'?3 usize; scope 2 { debug p => _2; - let _6: &'?4 usize; + let _5: &'?4 usize; scope 3 { - debug q => _6; + debug q => _5; } } } @@ -52,50 +51,50 @@ fn main() -> () { StorageLive(_2); StorageLive(_3); _3 = const ConstValue(Scalar(0x00000000): usize); - _4 = Len(_1); - _5 = Lt(copy _3, copy _4); - assert(move _5, "index out of bounds: the length is {} but the index is {}", move _4, copy _3) -> [success: bb1, unwind: bb7]; + FakeRead(ForIndex, _1); + _4 = Lt(copy _3, const ValTree(Leaf(0x00000003): usize)); + assert(move _4, "index out of bounds: the length is {} but the index is {}", const ValTree(Leaf(0x00000003): usize), copy _3) -> [success: bb1, unwind: bb7]; } bb1: { _2 = &'?2 _1[_3]; FakeRead(ForLet(None), _2); + StorageLive(_5); + _5 = copy _2; + FakeRead(ForLet(None), _5); StorageLive(_6); - _6 = copy _2; - FakeRead(ForLet(None), _6); - StorageLive(_7); - _7 = const ConstValue(Scalar(0x01): bool); - switchInt(move _7) -> [0: bb4, otherwise: bb2]; + _6 = const ConstValue(Scalar(0x01): bool); + switchInt(move _6) -> [0: bb4, otherwise: bb2]; } bb2: { + StorageLive(_7); StorageLive(_8); - StorageLive(_9); - _9 = copy (*_6); - _8 = ConstValue(ZeroSized: fn(usize) -> bool {use_x})(move _9) -> [return: bb3, unwind: bb7]; + _8 = copy (*_5); + _7 = ConstValue(ZeroSized: fn(usize) -> bool {use_x})(move _8) -> [return: bb3, unwind: bb7]; } bb3: { - StorageDead(_9); StorageDead(_8); + StorageDead(_7); _0 = const ConstValue(ZeroSized: ()); goto -> bb6; } bb4: { - StorageLive(_10); - _10 = ConstValue(ZeroSized: fn(usize) -> bool {use_x})(const ConstValue(Scalar(0x00000016): usize)) -> [return: bb5, unwind: bb7]; + StorageLive(_9); + _9 = ConstValue(ZeroSized: fn(usize) -> bool {use_x})(const ConstValue(Scalar(0x00000016): usize)) -> [return: bb5, unwind: bb7]; } bb5: { - StorageDead(_10); + StorageDead(_9); _0 = const ConstValue(ZeroSized: ()); goto -> bb6; } bb6: { - StorageDead(_7); StorageDead(_6); + StorageDead(_5); StorageDead(_3); StorageDead(_2); StorageDead(_1); diff --git a/tests/mir-opt/nll/region_subtyping_basic.main.nll.0.64bit.mir b/tests/mir-opt/nll/region_subtyping_basic.main.nll.0.64bit.mir index 85b89a013c4..15395fd470e 100644 --- a/tests/mir-opt/nll/region_subtyping_basic.main.nll.0.64bit.mir +++ b/tests/mir-opt/nll/region_subtyping_basic.main.nll.0.64bit.mir @@ -27,20 +27,19 @@ fn main() -> () { let mut _0: (); let mut _1: [usize; ValTree(Leaf(0x0000000000000003): usize)]; let _3: usize; - let mut _4: usize; - let mut _5: bool; - let mut _7: bool; - let _8: bool; - let mut _9: usize; - let _10: bool; + let mut _4: bool; + let mut _6: bool; + let _7: bool; + let mut _8: usize; + let _9: bool; scope 1 { debug v => _1; let _2: &'?3 usize; scope 2 { debug p => _2; - let _6: &'?4 usize; + let _5: &'?4 usize; scope 3 { - debug q => _6; + debug q => _5; } } } @@ -52,50 +51,50 @@ fn main() -> () { StorageLive(_2); StorageLive(_3); _3 = const ConstValue(Scalar(0x0000000000000000): usize); - _4 = Len(_1); - _5 = Lt(copy _3, copy _4); - assert(move _5, "index out of bounds: the length is {} but the index is {}", move _4, copy _3) -> [success: bb1, unwind: bb7]; + FakeRead(ForIndex, _1); + _4 = Lt(copy _3, const ValTree(Leaf(0x0000000000000003): usize)); + assert(move _4, "index out of bounds: the length is {} but the index is {}", const ValTree(Leaf(0x0000000000000003): usize), copy _3) -> [success: bb1, unwind: bb7]; } bb1: { _2 = &'?2 _1[_3]; FakeRead(ForLet(None), _2); + StorageLive(_5); + _5 = copy _2; + FakeRead(ForLet(None), _5); StorageLive(_6); - _6 = copy _2; - FakeRead(ForLet(None), _6); - StorageLive(_7); - _7 = const ConstValue(Scalar(0x01): bool); - switchInt(move _7) -> [0: bb4, otherwise: bb2]; + _6 = const ConstValue(Scalar(0x01): bool); + switchInt(move _6) -> [0: bb4, otherwise: bb2]; } bb2: { + StorageLive(_7); StorageLive(_8); - StorageLive(_9); - _9 = copy (*_6); - _8 = ConstValue(ZeroSized: fn(usize) -> bool {use_x})(move _9) -> [return: bb3, unwind: bb7]; + _8 = copy (*_5); + _7 = ConstValue(ZeroSized: fn(usize) -> bool {use_x})(move _8) -> [return: bb3, unwind: bb7]; } bb3: { - StorageDead(_9); StorageDead(_8); + StorageDead(_7); _0 = const ConstValue(ZeroSized: ()); goto -> bb6; } bb4: { - StorageLive(_10); - _10 = ConstValue(ZeroSized: fn(usize) -> bool {use_x})(const ConstValue(Scalar(0x0000000000000016): usize)) -> [return: bb5, unwind: bb7]; + StorageLive(_9); + _9 = ConstValue(ZeroSized: fn(usize) -> bool {use_x})(const ConstValue(Scalar(0x0000000000000016): usize)) -> [return: bb5, unwind: bb7]; } bb5: { - StorageDead(_10); + StorageDead(_9); _0 = const ConstValue(ZeroSized: ()); goto -> bb6; } bb6: { - StorageDead(_7); StorageDead(_6); + StorageDead(_5); StorageDead(_3); StorageDead(_2); StorageDead(_1); diff --git a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.GVN.32bit.panic-abort.diff b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.GVN.32bit.panic-abort.diff index 6575610727b..5b39e45806e 100644 --- a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.GVN.32bit.panic-abort.diff +++ b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.GVN.32bit.panic-abort.diff @@ -7,17 +7,16 @@ let mut _2: (i32, bool); let mut _4: [i32; 6]; let _5: usize; - let mut _6: usize; - let mut _7: bool; - let mut _9: u32; + let mut _6: bool; + let mut _8: u32; scope 1 { debug x => _1; let _3: i32; scope 2 { debug y => _3; - let _8: u32; + let _7: u32; scope 3 { - debug z => _8; + debug z => _7; } } } @@ -38,10 +37,9 @@ _4 = [const 0_i32, const 1_i32, const 2_i32, const 3_i32, const 4_i32, const 5_i32]; StorageLive(_5); _5 = const 3_usize; - _6 = const 6_usize; -- _7 = Lt(copy _5, copy _6); -- assert(move _7, "index out of bounds: the length is {} but the index is {}", move _6, copy _5) -> [success: bb2, unwind unreachable]; -+ _7 = const true; +- _6 = Lt(copy _5, const 6_usize); +- assert(move _6, "index out of bounds: the length is {} but the index is {}", const 6_usize, copy _5) -> [success: bb2, unwind unreachable]; ++ _6 = const true; + assert(const true, "index out of bounds: the length is {} but the index is {}", const 6_usize, const 3_usize) -> [success: bb2, unwind unreachable]; } @@ -50,13 +48,13 @@ + _3 = const 3_i32; StorageDead(_5); StorageDead(_4); + StorageLive(_7); StorageLive(_8); - StorageLive(_9); - _9 = const 42_u32; -- _8 = copy _9; -+ _8 = const 42_u32; - StorageDead(_9); + _8 = const 42_u32; +- _7 = copy _8; ++ _7 = const 42_u32; StorageDead(_8); + StorageDead(_7); StorageDead(_3); StorageDead(_1); return; diff --git a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.GVN.32bit.panic-unwind.diff b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.GVN.32bit.panic-unwind.diff index 1a4ed5767fe..ea2742a6471 100644 --- a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.GVN.32bit.panic-unwind.diff +++ b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.GVN.32bit.panic-unwind.diff @@ -7,17 +7,16 @@ let mut _2: (i32, bool); let mut _4: [i32; 6]; let _5: usize; - let mut _6: usize; - let mut _7: bool; - let mut _9: u32; + let mut _6: bool; + let mut _8: u32; scope 1 { debug x => _1; let _3: i32; scope 2 { debug y => _3; - let _8: u32; + let _7: u32; scope 3 { - debug z => _8; + debug z => _7; } } } @@ -38,10 +37,9 @@ _4 = [const 0_i32, const 1_i32, const 2_i32, const 3_i32, const 4_i32, const 5_i32]; StorageLive(_5); _5 = const 3_usize; - _6 = const 6_usize; -- _7 = Lt(copy _5, copy _6); -- assert(move _7, "index out of bounds: the length is {} but the index is {}", move _6, copy _5) -> [success: bb2, unwind continue]; -+ _7 = const true; +- _6 = Lt(copy _5, const 6_usize); +- assert(move _6, "index out of bounds: the length is {} but the index is {}", const 6_usize, copy _5) -> [success: bb2, unwind continue]; ++ _6 = const true; + assert(const true, "index out of bounds: the length is {} but the index is {}", const 6_usize, const 3_usize) -> [success: bb2, unwind continue]; } @@ -50,13 +48,13 @@ + _3 = const 3_i32; StorageDead(_5); StorageDead(_4); + StorageLive(_7); StorageLive(_8); - StorageLive(_9); - _9 = const 42_u32; -- _8 = copy _9; -+ _8 = const 42_u32; - StorageDead(_9); + _8 = const 42_u32; +- _7 = copy _8; ++ _7 = const 42_u32; StorageDead(_8); + StorageDead(_7); StorageDead(_3); StorageDead(_1); return; diff --git a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.GVN.64bit.panic-abort.diff b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.GVN.64bit.panic-abort.diff index 6575610727b..5b39e45806e 100644 --- a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.GVN.64bit.panic-abort.diff +++ b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.GVN.64bit.panic-abort.diff @@ -7,17 +7,16 @@ let mut _2: (i32, bool); let mut _4: [i32; 6]; let _5: usize; - let mut _6: usize; - let mut _7: bool; - let mut _9: u32; + let mut _6: bool; + let mut _8: u32; scope 1 { debug x => _1; let _3: i32; scope 2 { debug y => _3; - let _8: u32; + let _7: u32; scope 3 { - debug z => _8; + debug z => _7; } } } @@ -38,10 +37,9 @@ _4 = [const 0_i32, const 1_i32, const 2_i32, const 3_i32, const 4_i32, const 5_i32]; StorageLive(_5); _5 = const 3_usize; - _6 = const 6_usize; -- _7 = Lt(copy _5, copy _6); -- assert(move _7, "index out of bounds: the length is {} but the index is {}", move _6, copy _5) -> [success: bb2, unwind unreachable]; -+ _7 = const true; +- _6 = Lt(copy _5, const 6_usize); +- assert(move _6, "index out of bounds: the length is {} but the index is {}", const 6_usize, copy _5) -> [success: bb2, unwind unreachable]; ++ _6 = const true; + assert(const true, "index out of bounds: the length is {} but the index is {}", const 6_usize, const 3_usize) -> [success: bb2, unwind unreachable]; } @@ -50,13 +48,13 @@ + _3 = const 3_i32; StorageDead(_5); StorageDead(_4); + StorageLive(_7); StorageLive(_8); - StorageLive(_9); - _9 = const 42_u32; -- _8 = copy _9; -+ _8 = const 42_u32; - StorageDead(_9); + _8 = const 42_u32; +- _7 = copy _8; ++ _7 = const 42_u32; StorageDead(_8); + StorageDead(_7); StorageDead(_3); StorageDead(_1); return; diff --git a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.GVN.64bit.panic-unwind.diff b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.GVN.64bit.panic-unwind.diff index 1a4ed5767fe..ea2742a6471 100644 --- a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.GVN.64bit.panic-unwind.diff +++ b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.GVN.64bit.panic-unwind.diff @@ -7,17 +7,16 @@ let mut _2: (i32, bool); let mut _4: [i32; 6]; let _5: usize; - let mut _6: usize; - let mut _7: bool; - let mut _9: u32; + let mut _6: bool; + let mut _8: u32; scope 1 { debug x => _1; let _3: i32; scope 2 { debug y => _3; - let _8: u32; + let _7: u32; scope 3 { - debug z => _8; + debug z => _7; } } } @@ -38,10 +37,9 @@ _4 = [const 0_i32, const 1_i32, const 2_i32, const 3_i32, const 4_i32, const 5_i32]; StorageLive(_5); _5 = const 3_usize; - _6 = const 6_usize; -- _7 = Lt(copy _5, copy _6); -- assert(move _7, "index out of bounds: the length is {} but the index is {}", move _6, copy _5) -> [success: bb2, unwind continue]; -+ _7 = const true; +- _6 = Lt(copy _5, const 6_usize); +- assert(move _6, "index out of bounds: the length is {} but the index is {}", const 6_usize, copy _5) -> [success: bb2, unwind continue]; ++ _6 = const true; + assert(const true, "index out of bounds: the length is {} but the index is {}", const 6_usize, const 3_usize) -> [success: bb2, unwind continue]; } @@ -50,13 +48,13 @@ + _3 = const 3_i32; StorageDead(_5); StorageDead(_4); + StorageLive(_7); StorageLive(_8); - StorageLive(_9); - _9 = const 42_u32; -- _8 = copy _9; -+ _8 = const 42_u32; - StorageDead(_9); + _8 = const 42_u32; +- _7 = copy _8; ++ _7 = const 42_u32; StorageDead(_8); + StorageDead(_7); StorageDead(_3); StorageDead(_1); return; diff --git a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.32bit.panic-abort.diff b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.32bit.panic-abort.diff index e2420a341e0..f7fe08831b9 100644 --- a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.32bit.panic-abort.diff +++ b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.32bit.panic-abort.diff @@ -7,19 +7,18 @@ let mut _2: (i32, bool); let mut _4: [i32; 6]; let _5: usize; - let mut _6: usize; - let mut _7: bool; - let mut _9: Point; + let mut _6: bool; + let mut _8: Point; ++ let mut _9: u32; + let mut _10: u32; -+ let mut _11: u32; scope 1 { debug x => _1; let _3: i32; scope 2 { debug y => _3; - let _8: u32; + let _7: u32; scope 3 { - debug z => _8; + debug z => _7; } } } @@ -37,31 +36,30 @@ _4 = [const 0_i32, const 1_i32, const 2_i32, const 3_i32, const 4_i32, const 5_i32]; StorageLive(_5); _5 = const 3_usize; - _6 = const 6_usize; - _7 = Lt(copy _5, copy _6); - assert(move _7, "index out of bounds: the length is {} but the index is {}", move _6, copy _5) -> [success: bb2, unwind unreachable]; + _6 = Lt(copy _5, const 6_usize); + assert(move _6, "index out of bounds: the length is {} but the index is {}", const 6_usize, copy _5) -> [success: bb2, unwind unreachable]; } bb2: { _3 = copy _4[_5]; StorageDead(_5); StorageDead(_4); - StorageLive(_8); -- StorageLive(_9); -- _9 = Point { x: const 12_u32, y: const 42_u32 }; -- _8 = copy (_9.1: u32); -- StorageDead(_9); + StorageLive(_7); +- StorageLive(_8); +- _8 = Point { x: const 12_u32, y: const 42_u32 }; +- _7 = copy (_8.1: u32); +- StorageDead(_8); ++ StorageLive(_9); + StorageLive(_10); -+ StorageLive(_11); + nop; -+ _10 = const 12_u32; -+ _11 = const 42_u32; ++ _9 = const 12_u32; ++ _10 = const 42_u32; + nop; -+ _8 = copy _11; ++ _7 = copy _10; ++ StorageDead(_9); + StorageDead(_10); -+ StorageDead(_11); + nop; - StorageDead(_8); + StorageDead(_7); StorageDead(_3); StorageDead(_1); return; diff --git a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.32bit.panic-unwind.diff b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.32bit.panic-unwind.diff index a2fb3b979e6..6e36386bea6 100644 --- a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.32bit.panic-unwind.diff +++ b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.32bit.panic-unwind.diff @@ -7,19 +7,18 @@ let mut _2: (i32, bool); let mut _4: [i32; 6]; let _5: usize; - let mut _6: usize; - let mut _7: bool; - let mut _9: Point; + let mut _6: bool; + let mut _8: Point; ++ let mut _9: u32; + let mut _10: u32; -+ let mut _11: u32; scope 1 { debug x => _1; let _3: i32; scope 2 { debug y => _3; - let _8: u32; + let _7: u32; scope 3 { - debug z => _8; + debug z => _7; } } } @@ -37,31 +36,30 @@ _4 = [const 0_i32, const 1_i32, const 2_i32, const 3_i32, const 4_i32, const 5_i32]; StorageLive(_5); _5 = const 3_usize; - _6 = const 6_usize; - _7 = Lt(copy _5, copy _6); - assert(move _7, "index out of bounds: the length is {} but the index is {}", move _6, copy _5) -> [success: bb2, unwind continue]; + _6 = Lt(copy _5, const 6_usize); + assert(move _6, "index out of bounds: the length is {} but the index is {}", const 6_usize, copy _5) -> [success: bb2, unwind continue]; } bb2: { _3 = copy _4[_5]; StorageDead(_5); StorageDead(_4); - StorageLive(_8); -- StorageLive(_9); -- _9 = Point { x: const 12_u32, y: const 42_u32 }; -- _8 = copy (_9.1: u32); -- StorageDead(_9); + StorageLive(_7); +- StorageLive(_8); +- _8 = Point { x: const 12_u32, y: const 42_u32 }; +- _7 = copy (_8.1: u32); +- StorageDead(_8); ++ StorageLive(_9); + StorageLive(_10); -+ StorageLive(_11); + nop; -+ _10 = const 12_u32; -+ _11 = const 42_u32; ++ _9 = const 12_u32; ++ _10 = const 42_u32; + nop; -+ _8 = copy _11; ++ _7 = copy _10; ++ StorageDead(_9); + StorageDead(_10); -+ StorageDead(_11); + nop; - StorageDead(_8); + StorageDead(_7); StorageDead(_3); StorageDead(_1); return; diff --git a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.64bit.panic-abort.diff b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.64bit.panic-abort.diff index e2420a341e0..f7fe08831b9 100644 --- a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.64bit.panic-abort.diff +++ b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.64bit.panic-abort.diff @@ -7,19 +7,18 @@ let mut _2: (i32, bool); let mut _4: [i32; 6]; let _5: usize; - let mut _6: usize; - let mut _7: bool; - let mut _9: Point; + let mut _6: bool; + let mut _8: Point; ++ let mut _9: u32; + let mut _10: u32; -+ let mut _11: u32; scope 1 { debug x => _1; let _3: i32; scope 2 { debug y => _3; - let _8: u32; + let _7: u32; scope 3 { - debug z => _8; + debug z => _7; } } } @@ -37,31 +36,30 @@ _4 = [const 0_i32, const 1_i32, const 2_i32, const 3_i32, const 4_i32, const 5_i32]; StorageLive(_5); _5 = const 3_usize; - _6 = const 6_usize; - _7 = Lt(copy _5, copy _6); - assert(move _7, "index out of bounds: the length is {} but the index is {}", move _6, copy _5) -> [success: bb2, unwind unreachable]; + _6 = Lt(copy _5, const 6_usize); + assert(move _6, "index out of bounds: the length is {} but the index is {}", const 6_usize, copy _5) -> [success: bb2, unwind unreachable]; } bb2: { _3 = copy _4[_5]; StorageDead(_5); StorageDead(_4); - StorageLive(_8); -- StorageLive(_9); -- _9 = Point { x: const 12_u32, y: const 42_u32 }; -- _8 = copy (_9.1: u32); -- StorageDead(_9); + StorageLive(_7); +- StorageLive(_8); +- _8 = Point { x: const 12_u32, y: const 42_u32 }; +- _7 = copy (_8.1: u32); +- StorageDead(_8); ++ StorageLive(_9); + StorageLive(_10); -+ StorageLive(_11); + nop; -+ _10 = const 12_u32; -+ _11 = const 42_u32; ++ _9 = const 12_u32; ++ _10 = const 42_u32; + nop; -+ _8 = copy _11; ++ _7 = copy _10; ++ StorageDead(_9); + StorageDead(_10); -+ StorageDead(_11); + nop; - StorageDead(_8); + StorageDead(_7); StorageDead(_3); StorageDead(_1); return; diff --git a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.64bit.panic-unwind.diff b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.64bit.panic-unwind.diff index a2fb3b979e6..6e36386bea6 100644 --- a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.64bit.panic-unwind.diff +++ b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.64bit.panic-unwind.diff @@ -7,19 +7,18 @@ let mut _2: (i32, bool); let mut _4: [i32; 6]; let _5: usize; - let mut _6: usize; - let mut _7: bool; - let mut _9: Point; + let mut _6: bool; + let mut _8: Point; ++ let mut _9: u32; + let mut _10: u32; -+ let mut _11: u32; scope 1 { debug x => _1; let _3: i32; scope 2 { debug y => _3; - let _8: u32; + let _7: u32; scope 3 { - debug z => _8; + debug z => _7; } } } @@ -37,31 +36,30 @@ _4 = [const 0_i32, const 1_i32, const 2_i32, const 3_i32, const 4_i32, const 5_i32]; StorageLive(_5); _5 = const 3_usize; - _6 = const 6_usize; - _7 = Lt(copy _5, copy _6); - assert(move _7, "index out of bounds: the length is {} but the index is {}", move _6, copy _5) -> [success: bb2, unwind continue]; + _6 = Lt(copy _5, const 6_usize); + assert(move _6, "index out of bounds: the length is {} but the index is {}", const 6_usize, copy _5) -> [success: bb2, unwind continue]; } bb2: { _3 = copy _4[_5]; StorageDead(_5); StorageDead(_4); - StorageLive(_8); -- StorageLive(_9); -- _9 = Point { x: const 12_u32, y: const 42_u32 }; -- _8 = copy (_9.1: u32); -- StorageDead(_9); + StorageLive(_7); +- StorageLive(_8); +- _8 = Point { x: const 12_u32, y: const 42_u32 }; +- _7 = copy (_8.1: u32); +- StorageDead(_8); ++ StorageLive(_9); + StorageLive(_10); -+ StorageLive(_11); + nop; -+ _10 = const 12_u32; -+ _11 = const 42_u32; ++ _9 = const 12_u32; ++ _10 = const 42_u32; + nop; -+ _8 = copy _11; ++ _7 = copy _10; ++ StorageDead(_9); + StorageDead(_10); -+ StorageDead(_11); + nop; - StorageDead(_8); + StorageDead(_7); StorageDead(_3); StorageDead(_1); return; diff --git a/tests/mir-opt/pre-codegen/slice_index.rs b/tests/mir-opt/pre-codegen/slice_index.rs index 574062d6c35..5dac535d195 100644 --- a/tests/mir-opt/pre-codegen/slice_index.rs +++ b/tests/mir-opt/pre-codegen/slice_index.rs @@ -9,7 +9,7 @@ use std::ops::Range; // EMIT_MIR slice_index.slice_index_usize.PreCodegen.after.mir pub fn slice_index_usize(slice: &[u32], index: usize) -> u32 { // CHECK-LABEL: slice_index_usize - // CHECK: [[LEN:_[0-9]+]] = Len((*_1)) + // CHECK: [[LEN:_[0-9]+]] = PtrMetadata(copy _1) // CHECK: Lt(copy _2, copy [[LEN]]) // CHECK-NOT: precondition_check // CHECK: _0 = copy (*_1)[_2]; diff --git a/tests/mir-opt/pre-codegen/slice_index.slice_index_usize.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/slice_index.slice_index_usize.PreCodegen.after.panic-abort.mir index cc1034229fc..81e60b8ec2c 100644 --- a/tests/mir-opt/pre-codegen/slice_index.slice_index_usize.PreCodegen.after.panic-abort.mir +++ b/tests/mir-opt/pre-codegen/slice_index.slice_index_usize.PreCodegen.after.panic-abort.mir @@ -8,7 +8,7 @@ fn slice_index_usize(_1: &[u32], _2: usize) -> u32 { let mut _4: bool; bb0: { - _3 = Len((*_1)); + _3 = PtrMetadata(copy _1); _4 = Lt(copy _2, copy _3); assert(move _4, "index out of bounds: the length is {} but the index is {}", move _3, copy _2) -> [success: bb1, unwind unreachable]; } diff --git a/tests/mir-opt/pre-codegen/slice_index.slice_index_usize.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/slice_index.slice_index_usize.PreCodegen.after.panic-unwind.mir index 358226fb529..c0fdc839608 100644 --- a/tests/mir-opt/pre-codegen/slice_index.slice_index_usize.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/pre-codegen/slice_index.slice_index_usize.PreCodegen.after.panic-unwind.mir @@ -8,7 +8,7 @@ fn slice_index_usize(_1: &[u32], _2: usize) -> u32 { let mut _4: bool; bb0: { - _3 = Len((*_1)); + _3 = PtrMetadata(copy _1); _4 = Lt(copy _2, copy _3); assert(move _4, "index out of bounds: the length is {} but the index is {}", move _3, copy _2) -> [success: bb1, unwind continue]; } diff --git a/tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.panic-abort.mir index ecac03ad0f9..151783969dd 100644 --- a/tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.panic-abort.mir +++ b/tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.panic-abort.mir @@ -7,20 +7,19 @@ fn range_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { let mut _3: usize; let mut _4: usize; let mut _9: std::option::Option<usize>; - let mut _11: usize; - let mut _12: bool; - let mut _14: &impl Fn(usize, &T); - let mut _15: (usize, &T); - let _16: (); + let mut _11: bool; + let mut _13: &impl Fn(usize, &T); + let mut _14: (usize, &T); + let _15: (); scope 1 { debug ((iter: std::ops::Range<usize>).0: usize) => _4; debug ((iter: std::ops::Range<usize>).1: usize) => _3; let _10: usize; scope 2 { debug i => _10; - let _13: &T; + let _12: &T; scope 3 { - debug x => _13; + debug x => _12; } } scope 5 (inlined iter::range::<impl Iterator for std::ops::Range<usize>>::next) { @@ -82,23 +81,22 @@ fn range_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { StorageDead(_6); StorageDead(_7); _10 = copy ((_9 as Some).0: usize); - _11 = Len((*_1)); - _12 = Lt(copy _10, copy _11); - assert(move _12, "index out of bounds: the length is {} but the index is {}", move _11, copy _10) -> [success: bb6, unwind unreachable]; + _11 = Lt(copy _10, copy _3); + assert(move _11, "index out of bounds: the length is {} but the index is {}", copy _3, copy _10) -> [success: bb6, unwind unreachable]; } bb6: { - _13 = &(*_1)[_10]; + _12 = &(*_1)[_10]; + StorageLive(_13); + _13 = &_2; StorageLive(_14); - _14 = &_2; - StorageLive(_15); - _15 = (copy _10, copy _13); - _16 = <impl Fn(usize, &T) as Fn<(usize, &T)>>::call(move _14, move _15) -> [return: bb7, unwind unreachable]; + _14 = (copy _10, copy _12); + _15 = <impl Fn(usize, &T) as Fn<(usize, &T)>>::call(move _13, move _14) -> [return: bb7, unwind unreachable]; } bb7: { - StorageDead(_15); StorageDead(_14); + StorageDead(_13); StorageDead(_9); goto -> bb1; } diff --git a/tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.panic-unwind.mir index 1032473b9b2..006329dc20d 100644 --- a/tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.panic-unwind.mir @@ -7,20 +7,19 @@ fn range_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { let mut _3: usize; let mut _4: usize; let mut _9: std::option::Option<usize>; - let mut _11: usize; - let mut _12: bool; - let mut _14: &impl Fn(usize, &T); - let mut _15: (usize, &T); - let _16: (); + let mut _11: bool; + let mut _13: &impl Fn(usize, &T); + let mut _14: (usize, &T); + let _15: (); scope 1 { debug ((iter: std::ops::Range<usize>).0: usize) => _4; debug ((iter: std::ops::Range<usize>).1: usize) => _3; let _10: usize; scope 2 { debug i => _10; - let _13: &T; + let _12: &T; scope 3 { - debug x => _13; + debug x => _12; } } scope 5 (inlined iter::range::<impl Iterator for std::ops::Range<usize>>::next) { @@ -82,23 +81,22 @@ fn range_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { StorageDead(_6); StorageDead(_7); _10 = copy ((_9 as Some).0: usize); - _11 = Len((*_1)); - _12 = Lt(copy _10, copy _11); - assert(move _12, "index out of bounds: the length is {} but the index is {}", move _11, copy _10) -> [success: bb6, unwind: bb8]; + _11 = Lt(copy _10, copy _3); + assert(move _11, "index out of bounds: the length is {} but the index is {}", copy _3, copy _10) -> [success: bb6, unwind: bb8]; } bb6: { - _13 = &(*_1)[_10]; + _12 = &(*_1)[_10]; + StorageLive(_13); + _13 = &_2; StorageLive(_14); - _14 = &_2; - StorageLive(_15); - _15 = (copy _10, copy _13); - _16 = <impl Fn(usize, &T) as Fn<(usize, &T)>>::call(move _14, move _15) -> [return: bb7, unwind: bb8]; + _14 = (copy _10, copy _12); + _15 = <impl Fn(usize, &T) as Fn<(usize, &T)>>::call(move _13, move _14) -> [return: bb7, unwind: bb8]; } bb7: { - StorageDead(_15); StorageDead(_14); + StorageDead(_13); StorageDead(_9); goto -> bb1; } diff --git a/tests/ui/borrowck/borrowck-describe-lvalue.rs b/tests/ui/borrowck/borrowck-describe-lvalue.rs index cdcff69d6e5..f3a4b382fa8 100644 --- a/tests/ui/borrowck/borrowck-describe-lvalue.rs +++ b/tests/ui/borrowck/borrowck-describe-lvalue.rs @@ -231,7 +231,6 @@ fn main() { let x = &mut v; v[0].y; //~^ ERROR cannot use `v[_].y` because it was mutably borrowed - //~| ERROR cannot use `*v` because it was mutably borrowed drop(x); } // Field of constant index diff --git a/tests/ui/borrowck/borrowck-describe-lvalue.stderr b/tests/ui/borrowck/borrowck-describe-lvalue.stderr index 11f2e42d42b..666a21808d8 100644 --- a/tests/ui/borrowck/borrowck-describe-lvalue.stderr +++ b/tests/ui/borrowck/borrowck-describe-lvalue.stderr @@ -1,5 +1,5 @@ error[E0499]: cannot borrow `x` as mutable more than once at a time - --> $DIR/borrowck-describe-lvalue.rs:254:13 + --> $DIR/borrowck-describe-lvalue.rs:253:13 | LL | let y = &mut x; | ------ first mutable borrow occurs here @@ -9,7 +9,7 @@ LL | *y = 1; | ------ first borrow later used here error[E0499]: cannot borrow `x` as mutable more than once at a time - --> $DIR/borrowck-describe-lvalue.rs:264:20 + --> $DIR/borrowck-describe-lvalue.rs:263:20 | LL | let y = &mut x; | ------ first mutable borrow occurs here @@ -19,7 +19,7 @@ LL | *y = 1; | ------ first borrow later used here error: captured variable cannot escape `FnMut` closure body - --> $DIR/borrowck-describe-lvalue.rs:262:16 + --> $DIR/borrowck-describe-lvalue.rs:261:16 | LL | let mut x = 0; | ----- variable defined here @@ -300,17 +300,6 @@ LL | S { x: F { y: ref x0, .. }, .. } => LL | drop(x); | - mutable borrow later used here -error[E0503]: cannot use `*v` because it was mutably borrowed - --> $DIR/borrowck-describe-lvalue.rs:232:9 - | -LL | let x = &mut v; - | ------ `v` is borrowed here -LL | v[0].y; - | ^^^^ use of borrowed `v` -... -LL | drop(x); - | - borrow later used here - error[E0503]: cannot use `v[_].y` because it was mutably borrowed --> $DIR/borrowck-describe-lvalue.rs:232:9 | @@ -318,12 +307,12 @@ LL | let x = &mut v; | ------ `v` is borrowed here LL | v[0].y; | ^^^^^^ use of borrowed `v` -... +LL | LL | drop(x); | - borrow later used here error[E0502]: cannot borrow `v[..].x` as immutable because it is also borrowed as mutable - --> $DIR/borrowck-describe-lvalue.rs:243:24 + --> $DIR/borrowck-describe-lvalue.rs:242:24 | LL | let x = &mut v; | ------ mutable borrow occurs here @@ -357,7 +346,7 @@ LL | drop(x); | - mutable borrow later used here error[E0382]: use of moved value: `x` - --> $DIR/borrowck-describe-lvalue.rs:274:22 + --> $DIR/borrowck-describe-lvalue.rs:273:22 | LL | drop(x); | - value moved here @@ -366,7 +355,7 @@ LL | drop(x); | = note: move occurs because `x` has type `Vec<i32>`, which does not implement the `Copy` trait -error: aborting due to 32 previous errors +error: aborting due to 31 previous errors Some errors have detailed explanations: E0382, E0499, E0502, E0503. For more information about an error, try `rustc --explain E0382`. diff --git a/tests/ui/closures/2229_closure_analysis/diagnostics/arrays.rs b/tests/ui/closures/2229_closure_analysis/diagnostics/arrays.rs index 3abc81e191e..2d22c9a856f 100644 --- a/tests/ui/closures/2229_closure_analysis/diagnostics/arrays.rs +++ b/tests/ui/closures/2229_closure_analysis/diagnostics/arrays.rs @@ -12,8 +12,7 @@ fn arrays_1() { // c will capture `arr` completely, therefore another index into the // array can't be modified here arr[1] += 10; - //~^ ERROR: cannot use `arr` because it was mutably borrowed - //~| ERROR: cannot use `arr[_]` because it was mutably borrowed + //~^ ERROR: cannot use `arr[_]` because it was mutably borrowed c(); } @@ -55,8 +54,7 @@ fn arrays_4() { // c will capture `arr` completely, therefore we cannot borrow another index // into the array. println!("{}", arr[3]); - //~^ ERROR: cannot use `arr` because it was mutably borrowed - //~| ERROR: cannot borrow `arr[_]` as immutable because it is also borrowed as mutable + //~^ ERROR: cannot borrow `arr[_]` as immutable because it is also borrowed as mutable c(); } diff --git a/tests/ui/closures/2229_closure_analysis/diagnostics/arrays.stderr b/tests/ui/closures/2229_closure_analysis/diagnostics/arrays.stderr index 9e5200ef34b..97ecdfab820 100644 --- a/tests/ui/closures/2229_closure_analysis/diagnostics/arrays.stderr +++ b/tests/ui/closures/2229_closure_analysis/diagnostics/arrays.stderr @@ -1,17 +1,3 @@ -error[E0503]: cannot use `arr` because it was mutably borrowed - --> $DIR/arrays.rs:14:5 - | -LL | let mut c = || { - | -- `arr` is borrowed here -LL | arr[0] += 10; - | --- borrow occurs due to use of `arr` in closure -... -LL | arr[1] += 10; - | ^^^^^^ use of borrowed `arr` -... -LL | c(); - | - borrow later used here - error[E0503]: cannot use `arr[_]` because it was mutably borrowed --> $DIR/arrays.rs:14:5 | @@ -22,12 +8,12 @@ LL | arr[0] += 10; ... LL | arr[1] += 10; | ^^^^^^^^^^^^ use of borrowed `arr` -... +LL | LL | c(); | - borrow later used here error[E0506]: cannot assign to `arr[_]` because it is borrowed - --> $DIR/arrays.rs:29:5 + --> $DIR/arrays.rs:28:5 | LL | let c = || { | -- `arr[_]` is borrowed here @@ -41,7 +27,7 @@ LL | c(); | - borrow later used here error[E0506]: cannot assign to `arr[_]` because it is borrowed - --> $DIR/arrays.rs:43:5 + --> $DIR/arrays.rs:42:5 | LL | let c = || { | -- `arr[_]` is borrowed here @@ -54,22 +40,8 @@ LL | LL | c(); | - borrow later used here -error[E0503]: cannot use `arr` because it was mutably borrowed - --> $DIR/arrays.rs:57:20 - | -LL | let mut c = || { - | -- `arr` is borrowed here -LL | arr[1] += 10; - | --- borrow occurs due to use of `arr` in closure -... -LL | println!("{}", arr[3]); - | ^^^^^^ use of borrowed `arr` -... -LL | c(); - | - borrow later used here - error[E0502]: cannot borrow `arr[_]` as immutable because it is also borrowed as mutable - --> $DIR/arrays.rs:57:20 + --> $DIR/arrays.rs:56:20 | LL | let mut c = || { | -- mutable borrow occurs here @@ -85,7 +57,7 @@ LL | c(); = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0502]: cannot borrow `arr` as immutable because it is also borrowed as mutable - --> $DIR/arrays.rs:73:24 + --> $DIR/arrays.rs:71:24 | LL | let mut c = || { | -- mutable borrow occurs here @@ -98,7 +70,7 @@ LL | println!("{:#?}", &arr[3..2]); LL | c(); | - mutable borrow later used here -error: aborting due to 7 previous errors +error: aborting due to 5 previous errors Some errors have detailed explanations: E0502, E0503, E0506. For more information about an error, try `rustc --explain E0502`. diff --git a/tests/ui/consts/issue-65348.rs b/tests/ui/consts/issue-65348.rs index 1443fcbe1c1..0d12da3926c 100644 --- a/tests/ui/consts/issue-65348.rs +++ b/tests/ui/consts/issue-65348.rs @@ -9,15 +9,17 @@ impl<T> Generic<T> { } pub const fn array<T>() -> &'static T { - #[allow(unconditional_panic)] + #[expect(unconditional_panic)] &Generic::<T>::ARRAY[0] } pub const fn newtype_array<T>() -> &'static T { + #[expect(unconditional_panic)] &Generic::<T>::NEWTYPE_ARRAY.0[0] } pub const fn array_field<T>() -> &'static T { + #[expect(unconditional_panic)] &(Generic::<T>::ARRAY_FIELD.0).1[0] } diff --git a/tests/ui/stable-mir-print/operands.stdout b/tests/ui/stable-mir-print/operands.stdout index 3c27878b3cf..c3b1151ae24 100644 --- a/tests/ui/stable-mir-print/operands.stdout +++ b/tests/ui/stable-mir-print/operands.stdout @@ -5,187 +5,183 @@ fn operands(_1: u8) -> () { let _2: [u8; 10]; let _3: u8; let _4: usize; - let mut _5: usize; - let mut _6: bool; - let _7: u8; - let _8: usize; - let mut _9: (usize, bool); - let mut _10: usize; - let mut _11: bool; - let mut _12: (&u8, &u8); - let mut _13: &u8; - let mut _14: &u8; - let _15: &u8; - let _16: &u8; - let mut _17: bool; - let mut _18: u8; - let mut _19: u8; - let _20: core::panicking::AssertKind; - let _21: !; - let mut _22: Option<Arguments<'_>>; - let _23: &u8; - let _24: u8; - let mut _25: (&u8, &u8); - let mut _26: &u8; - let mut _27: &u8; - let _28: &u8; - let _29: &u8; - let mut _30: bool; - let mut _31: u8; - let mut _32: u8; - let _33: core::panicking::AssertKind; - let _34: !; - let mut _35: Option<Arguments<'_>>; - let _36: (u8, u8); - let _37: u8; - let _38: u8; - let mut _39: (&u8, &u8); - let mut _40: &u8; - let mut _41: &u8; - let _42: &u8; - let _43: &u8; - let mut _44: bool; - let mut _45: u8; - let mut _46: u8; - let _47: core::panicking::AssertKind; - let _48: !; - let mut _49: Option<Arguments<'_>>; - let _50: usize; - let mut _51: &[u8]; - let mut _52: &[u8; 10]; - let _53: usize; - let _54: &usize; - let mut _55: (&usize, &usize); - let mut _56: &usize; - let mut _57: &usize; - let _58: &usize; - let _59: &usize; - let mut _60: bool; - let mut _61: usize; - let mut _62: usize; - let _63: core::panicking::AssertKind; - let _64: !; - let mut _65: Option<Arguments<'_>>; + let mut _5: bool; + let _6: u8; + let _7: usize; + let mut _8: (usize, bool); + let mut _9: bool; + let mut _10: (&u8, &u8); + let mut _11: &u8; + let mut _12: &u8; + let _13: &u8; + let _14: &u8; + let mut _15: bool; + let mut _16: u8; + let mut _17: u8; + let _18: core::panicking::AssertKind; + let _19: !; + let mut _20: Option<Arguments<'_>>; + let _21: &u8; + let _22: u8; + let mut _23: (&u8, &u8); + let mut _24: &u8; + let mut _25: &u8; + let _26: &u8; + let _27: &u8; + let mut _28: bool; + let mut _29: u8; + let mut _30: u8; + let _31: core::panicking::AssertKind; + let _32: !; + let mut _33: Option<Arguments<'_>>; + let _34: (u8, u8); + let _35: u8; + let _36: u8; + let mut _37: (&u8, &u8); + let mut _38: &u8; + let mut _39: &u8; + let _40: &u8; + let _41: &u8; + let mut _42: bool; + let mut _43: u8; + let mut _44: u8; + let _45: core::panicking::AssertKind; + let _46: !; + let mut _47: Option<Arguments<'_>>; + let _48: usize; + let mut _49: &[u8]; + let mut _50: &[u8; 10]; + let _51: usize; + let _52: &usize; + let mut _53: (&usize, &usize); + let mut _54: &usize; + let mut _55: &usize; + let _56: &usize; + let _57: &usize; + let mut _58: bool; + let mut _59: usize; + let mut _60: usize; + let _61: core::panicking::AssertKind; + let _62: !; + let mut _63: Option<Arguments<'_>>; debug val => _1; debug array => _2; debug first => _3; - debug last => _7; - debug left_val => _15; - debug right_val => _16; - debug kind => _20; - debug reference => _23; - debug dereferenced => _24; - debug left_val => _28; - debug right_val => _29; - debug kind => _33; - debug tuple => _36; - debug first_again => _37; - debug first_again_again => _38; - debug left_val => _42; - debug right_val => _43; - debug kind => _47; - debug length => _50; - debug size_of => _53; - debug left_val => _58; - debug right_val => _59; - debug kind => _63; + debug last => _6; + debug left_val => _13; + debug right_val => _14; + debug kind => _18; + debug reference => _21; + debug dereferenced => _22; + debug left_val => _26; + debug right_val => _27; + debug kind => _31; + debug tuple => _34; + debug first_again => _35; + debug first_again_again => _36; + debug left_val => _40; + debug right_val => _41; + debug kind => _45; + debug length => _48; + debug size_of => _51; + debug left_val => _56; + debug right_val => _57; + debug kind => _61; bb0: { _2 = [_1; 10]; _4 = 0_usize; - _5 = 10_usize; - _6 = Lt(_4, _5); - assert(move _6, "index out of bounds: the length is {} but the index is {}", move _5, _4) -> [success: bb1, unwind unreachable]; + _5 = Lt(_4, 10_usize); + assert(move _5, "index out of bounds: the length is {} but the index is {}", 10_usize, _4) -> [success: bb1, unwind unreachable]; } bb1: { _3 = _2[_4]; - _9 = CheckedSub(10_usize, 1_usize); - assert(!move (_9.1: bool), "attempt to compute `{} - {}`, which would overflow", 10_usize, 1_usize) -> [success: bb2, unwind unreachable]; + _8 = CheckedSub(10_usize, 1_usize); + assert(!move (_8.1: bool), "attempt to compute `{} - {}`, which would overflow", 10_usize, 1_usize) -> [success: bb2, unwind unreachable]; } bb2: { - _8 = move (_9.0: usize); - _10 = 10_usize; - _11 = Lt(_8, _10); - assert(move _11, "index out of bounds: the length is {} but the index is {}", move _10, _8) -> [success: bb3, unwind unreachable]; + _7 = move (_8.0: usize); + _9 = Lt(_7, 10_usize); + assert(move _9, "index out of bounds: the length is {} but the index is {}", 10_usize, _7) -> [success: bb3, unwind unreachable]; } bb3: { - _7 = _2[_8]; - _13 = &_3; - _14 = &_7; - _12 = (move _13, move _14); - _15 = (_12.0: &u8); - _16 = (_12.1: &u8); - _18 = (*_15); - _19 = (*_16); - _17 = Eq(move _18, move _19); - switchInt(move _17) -> [0: bb5, otherwise: bb4]; + _6 = _2[_7]; + _11 = &_3; + _12 = &_6; + _10 = (move _11, move _12); + _13 = (_10.0: &u8); + _14 = (_10.1: &u8); + _16 = (*_13); + _17 = (*_14); + _15 = Eq(move _16, move _17); + switchInt(move _15) -> [0: bb5, otherwise: bb4]; } bb4: { - _23 = &_3; - _24 = (*_23); - _26 = &_24; - _27 = &_3; - _25 = (move _26, move _27); - _28 = (_25.0: &u8); - _29 = (_25.1: &u8); - _31 = (*_28); - _32 = (*_29); - _30 = Eq(move _31, move _32); - switchInt(move _30) -> [0: bb7, otherwise: bb6]; + _21 = &_3; + _22 = (*_21); + _24 = &_22; + _25 = &_3; + _23 = (move _24, move _25); + _26 = (_23.0: &u8); + _27 = (_23.1: &u8); + _29 = (*_26); + _30 = (*_27); + _28 = Eq(move _29, move _30); + switchInt(move _28) -> [0: bb7, otherwise: bb6]; } bb5: { - _20 = core::panicking::AssertKind::Eq; - _22 = std::option::Option::None; - _21 = core::panicking::assert_failed::<u8, u8>(move _20, _15, _16, move _22) -> unwind unreachable; + _18 = core::panicking::AssertKind::Eq; + _20 = std::option::Option::None; + _19 = core::panicking::assert_failed::<u8, u8>(move _18, _13, _14, move _20) -> unwind unreachable; } bb6: { - _36 = (_3, _7); - _37 = (_36.0: u8); - _38 = (_36.0: u8); - _40 = &_37; - _41 = &_38; - _39 = (move _40, move _41); - _42 = (_39.0: &u8); - _43 = (_39.1: &u8); - _45 = (*_42); - _46 = (*_43); - _44 = Eq(move _45, move _46); - switchInt(move _44) -> [0: bb9, otherwise: bb8]; + _34 = (_3, _6); + _35 = (_34.0: u8); + _36 = (_34.0: u8); + _38 = &_35; + _39 = &_36; + _37 = (move _38, move _39); + _40 = (_37.0: &u8); + _41 = (_37.1: &u8); + _43 = (*_40); + _44 = (*_41); + _42 = Eq(move _43, move _44); + switchInt(move _42) -> [0: bb9, otherwise: bb8]; } bb7: { - _33 = core::panicking::AssertKind::Eq; - _35 = std::option::Option::None; - _34 = core::panicking::assert_failed::<u8, u8>(move _33, _28, _29, move _35) -> unwind unreachable; + _31 = core::panicking::AssertKind::Eq; + _33 = std::option::Option::None; + _32 = core::panicking::assert_failed::<u8, u8>(move _31, _26, _27, move _33) -> unwind unreachable; } bb8: { - _52 = &_2; - _51 = move _52 as &[u8]; - _50 = PtrMetadata(move _51); - _54 = &_50; - _53 = std::mem::size_of_val::<usize>(_54) -> [return: bb10, unwind unreachable]; + _50 = &_2; + _49 = move _50 as &[u8]; + _48 = PtrMetadata(move _49); + _52 = &_48; + _51 = std::mem::size_of_val::<usize>(_52) -> [return: bb10, unwind unreachable]; } bb9: { - _47 = core::panicking::AssertKind::Eq; - _49 = std::option::Option::None; - _48 = core::panicking::assert_failed::<u8, u8>(move _47, _42, _43, move _49) -> unwind unreachable; + _45 = core::panicking::AssertKind::Eq; + _47 = std::option::Option::None; + _46 = core::panicking::assert_failed::<u8, u8>(move _45, _40, _41, move _47) -> unwind unreachable; } bb10: { - _56 = &_50; - _57 = &_53; - _55 = (move _56, move _57); - _58 = (_55.0: &usize); - _59 = (_55.1: &usize); - _61 = (*_58); - _62 = (*_59); - _60 = Eq(move _61, move _62); - switchInt(move _60) -> [0: bb12, otherwise: bb11]; + _54 = &_48; + _55 = &_51; + _53 = (move _54, move _55); + _56 = (_53.0: &usize); + _57 = (_53.1: &usize); + _59 = (*_56); + _60 = (*_57); + _58 = Eq(move _59, move _60); + switchInt(move _58) -> [0: bb12, otherwise: bb11]; } bb11: { return; } bb12: { - _63 = core::panicking::AssertKind::Eq; - _65 = std::option::Option::None; - _64 = core::panicking::assert_failed::<usize, usize>(move _63, _58, _59, move _65) -> unwind unreachable; + _61 = core::panicking::AssertKind::Eq; + _63 = std::option::Option::None; + _62 = core::panicking::assert_failed::<usize, usize>(move _61, _56, _57, move _63) -> unwind unreachable; } } fn operands::{constant#0}() -> usize { |