[−][src]Struct rustc::mir::Mir
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)
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Lowered representation of a single function.
Fields
basic_blocks: IndexVec<BasicBlock, BasicBlockData<'tcx>>
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List of basic blocks. References to basic block use a newtyped index type BasicBlock
that indexes into this vector.
source_scopes: IndexVec<SourceScope, SourceScopeData>
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List of source scopes; these are referenced by statements
and used for debuginfo. Indexed by a SourceScope
.
source_scope_local_data: ClearCrossCrate<IndexVec<SourceScope, SourceScopeLocalData>>
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Crate-local information for each source scope, that can't (and needn't) be tracked across crates.
promoted: IndexVec<Promoted, Mir<'tcx>>
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Rvalues promoted from this function, such as borrows of constants. Each of them is the Mir of a constant with the fn's type parameters in scope, but a separate set of locals.
yield_ty: Option<Ty<'tcx>>
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Yield type of the function, if it is a generator.
generator_drop: Option<Box<Mir<'tcx>>>
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Generator drop glue
generator_layout: Option<GeneratorLayout<'tcx>>
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The layout of a generator. Produced by the state transformation.
local_decls: IndexVec<Local, LocalDecl<'tcx>>
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Declarations of locals.
The first local is the return value pointer, followed by arg_count
locals for the function arguments, followed by any user-declared
variables and temporaries.
arg_count: usize
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Number of arguments this function takes.
Starting at local 1, arg_count
locals will be provided by the caller
and can be assumed to be initialized.
If this MIR was built for a constant, this will be 0.
upvar_decls: Vec<UpvarDecl>
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Names and capture modes of all the closure upvars, assuming the first argument is either the closure or a reference to it.
spread_arg: Option<Local>
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Mark an argument local (which must be a tuple) as getting passed as its individual components at the LLVM level.
This is used for the "rust-call" ABI.
span: Span
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A span representing this MIR, for error reporting
cache: Cache
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A cache for various calculations
Methods
impl<'tcx> Mir<'tcx>
[src]
impl<'tcx> Mir<'tcx>
pub fn new(
basic_blocks: IndexVec<BasicBlock, BasicBlockData<'tcx>>,
source_scopes: IndexVec<SourceScope, SourceScopeData>,
source_scope_local_data: ClearCrossCrate<IndexVec<SourceScope, SourceScopeLocalData>>,
promoted: IndexVec<Promoted, Mir<'tcx>>,
yield_ty: Option<Ty<'tcx>>,
local_decls: IndexVec<Local, LocalDecl<'tcx>>,
arg_count: usize,
upvar_decls: Vec<UpvarDecl>,
span: Span
) -> Self
[src]
pub fn new(
basic_blocks: IndexVec<BasicBlock, BasicBlockData<'tcx>>,
source_scopes: IndexVec<SourceScope, SourceScopeData>,
source_scope_local_data: ClearCrossCrate<IndexVec<SourceScope, SourceScopeLocalData>>,
promoted: IndexVec<Promoted, Mir<'tcx>>,
yield_ty: Option<Ty<'tcx>>,
local_decls: IndexVec<Local, LocalDecl<'tcx>>,
arg_count: usize,
upvar_decls: Vec<UpvarDecl>,
span: Span
) -> Self
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pub fn basic_blocks(&self) -> &IndexVec<BasicBlock, BasicBlockData<'tcx>>
[src]
pub fn basic_blocks(&self) -> &IndexVec<BasicBlock, BasicBlockData<'tcx>>
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pub fn basic_blocks_mut(
&mut self
) -> &mut IndexVec<BasicBlock, BasicBlockData<'tcx>>
[src]
pub fn basic_blocks_mut(
&mut self
) -> &mut IndexVec<BasicBlock, BasicBlockData<'tcx>>
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pub fn basic_blocks_and_local_decls_mut(
&mut self
) -> (&mut IndexVec<BasicBlock, BasicBlockData<'tcx>>, &mut IndexVec<Local, LocalDecl<'tcx>>)
[src]
pub fn basic_blocks_and_local_decls_mut(
&mut self
) -> (&mut IndexVec<BasicBlock, BasicBlockData<'tcx>>, &mut IndexVec<Local, LocalDecl<'tcx>>)
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pub fn predecessors(
&self
) -> MappedReadGuard<IndexVec<BasicBlock, Vec<BasicBlock>>>
[src]
pub fn predecessors(
&self
) -> MappedReadGuard<IndexVec<BasicBlock, Vec<BasicBlock>>>
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pub fn predecessors_for(
&self,
bb: BasicBlock
) -> MappedReadGuard<Vec<BasicBlock>>
[src]
pub fn predecessors_for(
&self,
bb: BasicBlock
) -> MappedReadGuard<Vec<BasicBlock>>
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pub fn predecessor_locations(
&self,
loc: Location
) -> impl Iterator<Item = Location> + '_
[src]
pub fn predecessor_locations(
&self,
loc: Location
) -> impl Iterator<Item = Location> + '_
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pub fn dominators(&self) -> Dominators<BasicBlock>
[src]
pub fn dominators(&self) -> Dominators<BasicBlock>
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pub fn local_kind(&self, local: Local) -> LocalKind
[src]
pub fn local_kind(&self, local: Local) -> LocalKind
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pub fn temps_iter<'a>(
&'a self
) -> impl Iterator<Item = Local> + 'a
[src]
pub fn temps_iter<'a>(
&'a self
) -> impl Iterator<Item = Local> + 'a
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Returns an iterator over all temporaries.
pub fn vars_iter<'a>(
&'a self
) -> impl Iterator<Item = Local> + 'a
[src]
pub fn vars_iter<'a>(
&'a self
) -> impl Iterator<Item = Local> + 'a
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Returns an iterator over all user-declared locals.
pub fn mut_vars_and_args_iter<'a>(
&'a self
) -> impl Iterator<Item = Local> + 'a
[src]
pub fn mut_vars_and_args_iter<'a>(
&'a self
) -> impl Iterator<Item = Local> + 'a
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Returns an iterator over all user-declared mutable arguments and locals.
pub fn args_iter(
&self
) -> impl Iterator<Item = Local>
[src]
pub fn args_iter(
&self
) -> impl Iterator<Item = Local>
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Returns an iterator over all function arguments.
pub fn vars_and_temps_iter(
&self
) -> impl Iterator<Item = Local>
[src]
pub fn vars_and_temps_iter(
&self
) -> impl Iterator<Item = Local>
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Returns an iterator over all user-defined variables and compiler-generated temporaries (all locals that are neither arguments nor the return place).
pub fn make_statement_nop(&mut self, location: Location)
[src]
pub fn make_statement_nop(&mut self, location: Location)
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Changes a statement to a nop. This is both faster than deleting instructions and avoids
invalidating statement indices in Location
s.
pub fn source_info(&self, location: Location) -> &SourceInfo
[src]
pub fn source_info(&self, location: Location) -> &SourceInfo
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Returns the source info associated with location
.
pub fn is_sub_scope(&self, sub: SourceScope, sup: SourceScope) -> bool
[src]
pub fn is_sub_scope(&self, sub: SourceScope, sup: SourceScope) -> bool
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Check if sub
is a sub scope of sup
pub fn return_ty(&self) -> Ty<'tcx>
[src]
pub fn return_ty(&self) -> Ty<'tcx>
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Return the return type, it always return first element from local_decls
array
pub fn terminator_loc(&self, bb: BasicBlock) -> Location
[src]
pub fn terminator_loc(&self, bb: BasicBlock) -> Location
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Get the location of the terminator for the given block
Trait Implementations
impl<'tcx> HasLocalDecls<'tcx> for Mir<'tcx>
[src]
impl<'tcx> HasLocalDecls<'tcx> for Mir<'tcx>
fn local_decls(&self) -> &IndexVec<Local, LocalDecl<'tcx>>
[src]
fn local_decls(&self) -> &IndexVec<Local, LocalDecl<'tcx>>
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impl<'tcx> Clone for Mir<'tcx>
[src]
impl<'tcx> Clone for Mir<'tcx>
fn clone(&self) -> Mir<'tcx>
[src]
fn clone(&self) -> Mir<'tcx>
Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
1.0.0[src]
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from source
. Read more
impl<'tcx> Encodable for Mir<'tcx>
[src]
impl<'tcx> Encodable for Mir<'tcx>
fn encode<__S: Encoder>(&self, s: &mut __S) -> Result<(), __S::Error>
[src]
fn encode<__S: Encoder>(&self, s: &mut __S) -> Result<(), __S::Error>
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impl<'tcx> Decodable for Mir<'tcx>
[src]
impl<'tcx> Decodable for Mir<'tcx>
fn decode<__D: Decoder>(d: &mut __D) -> Result<Mir<'tcx>, __D::Error>
[src]
fn decode<__D: Decoder>(d: &mut __D) -> Result<Mir<'tcx>, __D::Error>
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impl<'tcx> Debug for Mir<'tcx>
[src]
impl<'tcx> Debug for Mir<'tcx>
fn fmt(&self, f: &mut Formatter) -> Result
[src]
fn fmt(&self, f: &mut Formatter) -> Result
Formats the value using the given formatter. Read more
impl<'a, 'tcx> HashStable<StableHashingContext<'a>> for Mir<'tcx>
[src]
impl<'a, 'tcx> HashStable<StableHashingContext<'a>> for Mir<'tcx>
fn hash_stable<W: StableHasherResult>(
&self,
__ctx: &mut StableHashingContext<'a>,
__hasher: &mut StableHasher<W>
)
[src]
fn hash_stable<W: StableHasherResult>(
&self,
__ctx: &mut StableHashingContext<'a>,
__hasher: &mut StableHasher<W>
)
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impl<'tcx> Index<BasicBlock> for Mir<'tcx>
[src]
impl<'tcx> Index<BasicBlock> for Mir<'tcx>
type Output = BasicBlockData<'tcx>
The returned type after indexing.
fn index(&self, index: BasicBlock) -> &BasicBlockData<'tcx>
[src]
fn index(&self, index: BasicBlock) -> &BasicBlockData<'tcx>
Performs the indexing (container[index]
) operation.
impl<'tcx> IndexMut<BasicBlock> for Mir<'tcx>
[src]
impl<'tcx> IndexMut<BasicBlock> for Mir<'tcx>
fn index_mut(&mut self, index: BasicBlock) -> &mut BasicBlockData<'tcx>
[src]
fn index_mut(&mut self, index: BasicBlock) -> &mut BasicBlockData<'tcx>
Performs the mutable indexing (container[index]
) operation.
impl<'tcx> DirectedGraph for Mir<'tcx>
[src]
impl<'tcx> DirectedGraph for Mir<'tcx>
type Node = BasicBlock
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impl<'tcx> WithNumNodes for Mir<'tcx>
[src]
impl<'tcx> WithNumNodes for Mir<'tcx>
fn num_nodes(&self) -> usize
[src]
fn num_nodes(&self) -> usize
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impl<'tcx> WithStartNode for Mir<'tcx>
[src]
impl<'tcx> WithStartNode for Mir<'tcx>
fn start_node(&self) -> Self::Node
[src]
fn start_node(&self) -> Self::Node
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impl<'tcx> WithPredecessors for Mir<'tcx>
[src]
impl<'tcx> WithPredecessors for Mir<'tcx>
fn predecessors<'graph>(&'graph self, node: Self::Node) -> Self::Iter
[src]
fn predecessors<'graph>(&'graph self, node: Self::Node) -> Self::Iter
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impl<'tcx> WithSuccessors for Mir<'tcx>
[src]
impl<'tcx> WithSuccessors for Mir<'tcx>
fn successors<'graph>(&'graph self, node: Self::Node) -> Self::Iter
[src]
fn successors<'graph>(&'graph self, node: Self::Node) -> Self::Iter
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impl<'a, 'b> GraphPredecessors<'b> for Mir<'a>
[src]
impl<'a, 'b> GraphPredecessors<'b> for Mir<'a>
type Item = BasicBlock
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type Iter = IntoIter<BasicBlock>
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impl<'a, 'b> GraphSuccessors<'b> for Mir<'a>
[src]
impl<'a, 'b> GraphSuccessors<'b> for Mir<'a>
type Item = BasicBlock
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type Iter = Cloned<Successors<'b>>
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impl<'tcx> TypeFoldable<'tcx> for Mir<'tcx>
[src]
impl<'tcx> TypeFoldable<'tcx> for Mir<'tcx>
fn super_fold_with<'gcx: 'tcx, V: TypeFolder<'gcx, 'tcx>>(
&self,
folder: &mut V
) -> Self
[src]
fn super_fold_with<'gcx: 'tcx, V: TypeFolder<'gcx, 'tcx>>(
&self,
folder: &mut V
) -> Self
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fn super_visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool
[src]
fn super_visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool
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fn fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(
&self,
folder: &mut F
) -> Self
[src]
fn fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(
&self,
folder: &mut F
) -> Self
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fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool
[src]
fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool
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fn has_regions_bound_at_or_above(&self, binder: DebruijnIndex) -> bool
[src]
fn has_regions_bound_at_or_above(&self, binder: DebruijnIndex) -> bool
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True if self
has any late-bound regions that are either bound by binder
or bound by some binder outside of binder
. If binder
is ty::INNERMOST
, this indicates whether there are any late-bound regions that appear free. Read more
fn has_regions_bound_above(&self, binder: DebruijnIndex) -> bool
[src]
fn has_regions_bound_above(&self, binder: DebruijnIndex) -> bool
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True if this self
has any regions that escape binder
(and hence are not bound by it). Read more
fn has_escaping_regions(&self) -> bool
[src]
fn has_escaping_regions(&self) -> bool
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fn has_type_flags(&self, flags: TypeFlags) -> bool
[src]
fn has_type_flags(&self, flags: TypeFlags) -> bool
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fn has_projections(&self) -> bool
[src]
fn has_projections(&self) -> bool
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fn references_error(&self) -> bool
[src]
fn references_error(&self) -> bool
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fn has_param_types(&self) -> bool
[src]
fn has_param_types(&self) -> bool
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fn has_self_ty(&self) -> bool
[src]
fn has_self_ty(&self) -> bool
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fn has_infer_types(&self) -> bool
[src]
fn has_infer_types(&self) -> bool
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fn needs_infer(&self) -> bool
[src]
fn needs_infer(&self) -> bool
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fn has_skol(&self) -> bool
[src]
fn has_skol(&self) -> bool
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
fn needs_subst(&self) -> bool
[src]
fn needs_subst(&self) -> bool
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
fn has_re_skol(&self) -> bool
[src]
fn has_re_skol(&self) -> bool
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
fn has_closure_types(&self) -> bool
[src]
fn has_closure_types(&self) -> bool
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
fn has_free_regions(&self) -> bool
[src]
fn has_free_regions(&self) -> bool
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
"Free" regions in this context means that it has any region that is not (a) erased or (b) late-bound. Read more
fn has_erasable_regions(&self) -> bool
[src]
fn has_erasable_regions(&self) -> bool
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
True if there any any un-erased free regions.
fn is_global(&self) -> bool
[src]
fn is_global(&self) -> bool
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
Indicates whether this value references only 'global' types/lifetimes that are the same regardless of what fn we are in. This is used for caching. Read more
fn has_late_bound_regions(&self) -> bool
[src]
fn has_late_bound_regions(&self) -> bool
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
True if there are any late-bound regions
fn visit_tys_shallow(
&self,
visit: impl FnMut(Ty<'tcx>) -> bool
) -> bool
[src]
fn visit_tys_shallow(
&self,
visit: impl FnMut(Ty<'tcx>) -> bool
) -> bool
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
A visitor that does not recurse into types, works like fn walk_shallow
in Ty
.
Auto Trait Implementations
Blanket Implementations
impl<T> MaybeResult for T
[src]
impl<T> MaybeResult for T
fn from_ok(T) -> T
[src]
fn from_ok(T) -> T
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
fn map_same<F>(Self, F) -> T where
F: FnOnce(T) -> T,
[src]
fn map_same<F>(Self, F) -> T where
F: FnOnce(T) -> T,
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
impl<'tcx, T> Subst for T where
T: TypeFoldable<'tcx>,
[src]
impl<'tcx, T> Subst for T where
T: TypeFoldable<'tcx>,
fn subst_spanned(
&Self,
TyCtxt<'a, 'gcx, 'tcx>,
&[Kind<'tcx>],
Option<Span>
) -> T
[src]
fn subst_spanned(
&Self,
TyCtxt<'a, 'gcx, 'tcx>,
&[Kind<'tcx>],
Option<Span>
) -> T
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
fn subst<'a, 'gcx>(
&self,
tcx: TyCtxt<'a, 'gcx, 'tcx>,
substs: &[Kind<'tcx>]
) -> Self
[src]
fn subst<'a, 'gcx>(
&self,
tcx: TyCtxt<'a, 'gcx, 'tcx>,
substs: &[Kind<'tcx>]
) -> Self
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
impl<'a, T> Captures for T where
T: ?Sized,
[src]
impl<'a, T> Captures for T where
T: ?Sized,
impl<T> ToOwned for T where
T: Clone,
[src]
impl<T> ToOwned for T where
T: Clone,
type Owned = T
fn to_owned(&self) -> T
[src]
fn to_owned(&self) -> T
Creates owned data from borrowed data, usually by cloning. Read more
fn clone_into(&self, target: &mut T)
[src]
fn clone_into(&self, target: &mut T)
🔬 This is a nightly-only experimental API. (toowned_clone_into
)
recently added
Uses borrowed data to replace owned data, usually by cloning. Read more
impl<T> From for T
[src]
impl<T> From for T
impl<T, U> Into for T where
U: From<T>,
[src]
impl<T, U> Into for T where
U: From<T>,
impl<T, U> TryFrom for T where
T: From<U>,
[src]
impl<T, U> TryFrom for T where
T: From<U>,
type Error = !
try_from
)The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
[src]
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
try_from
)Performs the conversion.
impl<T> Borrow for T where
T: ?Sized,
[src]
impl<T> Borrow for T where
T: ?Sized,
ⓘImportant traits for &'a mut Rfn borrow(&self) -> &T
[src]
fn borrow(&self) -> &T
Immutably borrows from an owned value. Read more
impl<T, U> TryInto for T where
U: TryFrom<T>,
[src]
impl<T, U> TryInto for T where
U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
try_from
)The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
[src]
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
try_from
)Performs the conversion.
impl<T> BorrowMut for T where
T: ?Sized,
[src]
impl<T> BorrowMut for T where
T: ?Sized,
ⓘImportant traits for &'a mut Rfn borrow_mut(&mut self) -> &mut T
[src]
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
impl<T> Any for T where
T: 'static + ?Sized,
[src]
impl<T> Any for T where
T: 'static + ?Sized,
fn get_type_id(&self) -> TypeId
[src]
fn get_type_id(&self) -> TypeId
🔬 This is a nightly-only experimental API. (get_type_id
)
this method will likely be replaced by an associated static
Gets the TypeId
of self
. Read more
impl<T> Encodable for T where
T: UseSpecializedEncodable + ?Sized,
[src]
impl<T> Encodable for T where
T: UseSpecializedEncodable + ?Sized,
fn encode<E>(&self, e: &mut E) -> Result<(), <E as Encoder>::Error> where
E: Encoder,
[src]
fn encode<E>(&self, e: &mut E) -> Result<(), <E as Encoder>::Error> where
E: Encoder,
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
impl<T> Decodable for T where
T: UseSpecializedDecodable,
[src]
impl<T> Decodable for T where
T: UseSpecializedDecodable,
fn decode<D>(d: &mut D) -> Result<T, <D as Decoder>::Error> where
D: Decoder,
[src]
fn decode<D>(d: &mut D) -> Result<T, <D as Decoder>::Error> where
D: Decoder,
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
impl<E> SpecializationError for E
[src]
impl<E> SpecializationError for E
fn not_found<S, T>(trait_name: &'static str, method_name: &'static str) -> E where
T: ?Sized,
[src]
fn not_found<S, T>(trait_name: &'static str, method_name: &'static str) -> E where
T: ?Sized,
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
Create an error for a missing method specialization. Defaults to panicking with type, trait & method names. S
is the encoder/decoder state type, T
is the type being encoded/decoded, and the arguments are the names of the trait and method that should've been overridden. Read more
impl<T> ControlFlowGraph for T where
T: DirectedGraph + WithStartNode + WithPredecessors + WithStartNode + WithSuccessors + WithNumNodes,
[src]
impl<T> ControlFlowGraph for T where
T: DirectedGraph + WithStartNode + WithPredecessors + WithStartNode + WithSuccessors + WithNumNodes,
impl<T> Erased for T
[src]
impl<T> Erased for T
impl<T> Send for T where
T: ?Sized,
[src]
impl<T> Send for T where
T: ?Sized,
impl<T> Sync for T where
T: ?Sized,
[src]
impl<T> Sync for T where
T: ?Sized,
impl<T> Erased for T
impl<T> Erased for T