Struct rustc::mir::BasicBlockData [−][src]
pub struct BasicBlockData<'tcx> { pub statements: Vec<Statement<'tcx>>, pub terminator: Option<Terminator<'tcx>>, pub is_cleanup: bool, }
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Fields
statements: Vec<Statement<'tcx>>
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List of statements in this block.
terminator: Option<Terminator<'tcx>>
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Terminator for this block.
NB. This should generally ONLY be None
during construction.
Therefore, you should generally access it via the
terminator()
or terminator_mut()
methods. The only
exception is that certain passes, such as simplify_cfg
, swap
out the terminator temporarily with None
while they continue
to recurse over the set of basic blocks.
is_cleanup: bool
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If true, this block lies on an unwind path. This is used during codegen where distinct kinds of basic blocks may be generated (particularly for MSVC cleanup). Unwind blocks must only branch to other unwind blocks.
Methods
impl<'tcx> BasicBlockData<'tcx>
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impl<'tcx> BasicBlockData<'tcx>
pub fn new(terminator: Option<Terminator<'tcx>>) -> BasicBlockData<'tcx>
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pub fn new(terminator: Option<Terminator<'tcx>>) -> BasicBlockData<'tcx>
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pub fn terminator(&self) -> &Terminator<'tcx>
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pub fn terminator(&self) -> &Terminator<'tcx>
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Accessor for terminator.
Terminator may not be None after construction of the basic block is complete. This accessor provides a convenience way to reach the terminator.
pub fn terminator_mut(&mut self) -> &mut Terminator<'tcx>
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pub fn terminator_mut(&mut self) -> &mut Terminator<'tcx>
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pub fn retain_statements<F>(&mut self, f: F) where
F: FnMut(&mut Statement) -> bool,
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pub fn retain_statements<F>(&mut self, f: F) where
F: FnMut(&mut Statement) -> bool,
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pub fn expand_statements<F, I>(&mut self, f: F) where
F: FnMut(&mut Statement<'tcx>) -> Option<I>,
I: TrustedLen<Item = Statement<'tcx>>,
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pub fn expand_statements<F, I>(&mut self, f: F) where
F: FnMut(&mut Statement<'tcx>) -> Option<I>,
I: TrustedLen<Item = Statement<'tcx>>,
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pub fn visitable(&self, index: usize) -> &MirVisitable<'tcx>
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pub fn visitable(&self, index: usize) -> &MirVisitable<'tcx>
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Trait Implementations
impl<'a, 'tcx> HashStable<StableHashingContext<'a>> for BasicBlockData<'tcx>
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impl<'a, 'tcx> HashStable<StableHashingContext<'a>> for BasicBlockData<'tcx>
fn hash_stable<W: StableHasherResult>(
&self,
__ctx: &mut StableHashingContext<'a>,
__hasher: &mut StableHasher<W>
)
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fn hash_stable<W: StableHasherResult>(
&self,
__ctx: &mut StableHashingContext<'a>,
__hasher: &mut StableHasher<W>
)
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impl<'tcx> Clone for BasicBlockData<'tcx>
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impl<'tcx> Clone for BasicBlockData<'tcx>
fn clone(&self) -> BasicBlockData<'tcx>
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fn clone(&self) -> BasicBlockData<'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> Debug for BasicBlockData<'tcx>
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impl<'tcx> Debug for BasicBlockData<'tcx>
fn fmt(&self, f: &mut Formatter) -> Result
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fn fmt(&self, f: &mut Formatter) -> Result
Formats the value using the given formatter. Read more
impl<'tcx> Encodable for BasicBlockData<'tcx>
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impl<'tcx> Encodable for BasicBlockData<'tcx>
fn encode<__S: Encoder>(&self, s: &mut __S) -> Result<(), __S::Error>
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fn encode<__S: Encoder>(&self, s: &mut __S) -> Result<(), __S::Error>
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impl<'tcx> Decodable for BasicBlockData<'tcx>
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impl<'tcx> Decodable for BasicBlockData<'tcx>
fn decode<__D: Decoder>(d: &mut __D) -> Result<BasicBlockData<'tcx>, __D::Error>
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fn decode<__D: Decoder>(d: &mut __D) -> Result<BasicBlockData<'tcx>, __D::Error>
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impl<'tcx> TypeFoldable<'tcx> for BasicBlockData<'tcx>
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impl<'tcx> TypeFoldable<'tcx> for BasicBlockData<'tcx>
fn super_fold_with<'gcx: 'tcx, V: TypeFolder<'gcx, 'tcx>>(
&self,
folder: &mut V
) -> Self
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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
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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
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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
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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
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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
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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
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fn has_escaping_regions(&self) -> bool
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fn has_type_flags(&self, flags: TypeFlags) -> bool
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fn has_type_flags(&self, flags: TypeFlags) -> bool
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fn has_projections(&self) -> bool
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fn has_projections(&self) -> bool
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fn references_error(&self) -> bool
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fn references_error(&self) -> bool
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fn has_param_types(&self) -> bool
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fn has_param_types(&self) -> bool
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fn has_self_ty(&self) -> bool
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fn has_self_ty(&self) -> bool
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fn has_infer_types(&self) -> bool
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fn has_infer_types(&self) -> bool
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fn needs_infer(&self) -> bool
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fn needs_infer(&self) -> bool
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fn has_skol(&self) -> bool
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fn has_skol(&self) -> bool
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fn needs_subst(&self) -> bool
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fn needs_subst(&self) -> bool
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fn has_re_skol(&self) -> bool
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fn has_re_skol(&self) -> bool
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fn has_closure_types(&self) -> bool
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fn has_closure_types(&self) -> bool
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fn has_free_regions(&self) -> bool
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fn has_free_regions(&self) -> bool
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"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
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fn has_erasable_regions(&self) -> bool
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True if there any any un-erased free regions.
fn is_global(&self) -> bool
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fn is_global(&self) -> bool
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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
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fn has_late_bound_regions(&self) -> bool
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True if there are any late-bound regions
Auto Trait Implementations
impl<'tcx> !Send for BasicBlockData<'tcx>
impl<'tcx> !Send for BasicBlockData<'tcx>
impl<'tcx> !Sync for BasicBlockData<'tcx>
impl<'tcx> !Sync for BasicBlockData<'tcx>