Struct rustc::hir::CodegenFnAttrFlags

pub struct CodegenFnAttrFlags {
    bits: u32,
}

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Fields

bits: u32

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Methods

impl CodegenFnAttrFlags

pub const COLD: CodegenFnAttrFlags

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#[cold], a hint to LLVM that this function, when called, is never on the hot path

pub const ALLOCATOR: CodegenFnAttrFlags

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#[allocator], a hint to LLVM that the pointer returned from this function is never null

pub const UNWIND: CodegenFnAttrFlags

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#[unwind], an indicator that this function may unwind despite what its ABI signature may otherwise imply

pub const RUSTC_ALLOCATOR_NOUNWIND: CodegenFnAttrFlags

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#[rust_allocator_nounwind], an indicator that an imported FFI function will never unwind. Probably obsolete by recent changes with #[unwind], but hasn't been removed/migrated yet

pub const NAKED: CodegenFnAttrFlags

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#[naked], indicates to LLVM that no function prologue/epilogue should be generated

pub const NO_MANGLE: CodegenFnAttrFlags

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#[no_mangle], the function's name should be the same as its symbol

pub const RUSTC_STD_INTERNAL_SYMBOL: CodegenFnAttrFlags

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#[rustc_std_internal_symbol], and indicator that this symbol is a "weird symbol" for the standard library in that it has slightly different linkage, visibility, and reachability rules.

pub const NO_DEBUG: CodegenFnAttrFlags

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#[no_debug], indicates that no debugging information should be generated for this function by LLVM

pub const THREAD_LOCAL: CodegenFnAttrFlags

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#[thread_local], indicates a static is actually a thread local piece of memory

pub const USED: CodegenFnAttrFlags

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#[used], indicates that LLVM can't eliminate this function (but the linker can!)

pub fn empty() -> CodegenFnAttrFlags

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Returns an empty set of flags.

pub fn all() -> CodegenFnAttrFlags

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Returns the set containing all flags.

pub fn bits(&self) -> u32

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Returns the raw value of the flags currently stored.

pub fn from_bits(bits: u32) -> Option<CodegenFnAttrFlags>

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Convert from underlying bit representation, unless that representation contains bits that do not correspond to a flag.

pub fn from_bits_truncate(bits: u32) -> CodegenFnAttrFlags

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Convert from underlying bit representation, dropping any bits that do not correspond to flags.

pub fn is_empty(&self) -> bool

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Returns true if no flags are currently stored.

pub fn is_all(&self) -> bool

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Returns true if all flags are currently set.

pub fn intersects(&self, other: CodegenFnAttrFlags) -> bool

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Returns true if there are flags common to both self and other.

pub fn contains(&self, other: CodegenFnAttrFlags) -> bool

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Returns true all of the flags in other are contained within self.

pub fn insert(&mut self, other: CodegenFnAttrFlags)

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Inserts the specified flags in-place.

pub fn remove(&mut self, other: CodegenFnAttrFlags)

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Removes the specified flags in-place.

pub fn toggle(&mut self, other: CodegenFnAttrFlags)

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Toggles the specified flags in-place.

pub fn set(&mut self, other: CodegenFnAttrFlags, value: bool)

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Inserts or removes the specified flags depending on the passed value.

Trait Implementations

impl Copy for CodegenFnAttrFlags

impl PartialEq for CodegenFnAttrFlags

fn eq(&self, other: &CodegenFnAttrFlags) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &CodegenFnAttrFlags) -> bool

This method tests for !=.

impl Eq for CodegenFnAttrFlags

fn assert_receiver_is_total_eq(&self)

impl Clone for CodegenFnAttrFlags

fn clone(&self) -> CodegenFnAttrFlags

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl PartialOrd for CodegenFnAttrFlags

fn partial_cmp(&self, other: &CodegenFnAttrFlags) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &CodegenFnAttrFlags) -> bool

This method tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &CodegenFnAttrFlags) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &CodegenFnAttrFlags) -> bool

This method tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &CodegenFnAttrFlags) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl Ord for CodegenFnAttrFlags

fn cmp(&self, other: &CodegenFnAttrFlags) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

Compares and returns the minimum of two values.

impl Hash for CodegenFnAttrFlags

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given [Hasher].

fn hash_slice<H>(data: &[Self], state: &mut H) where     H: Hasher,

Feeds a slice of this type into the given [Hasher].

impl Encodable for CodegenFnAttrFlags

fn encode<__S: Encoder>(&self, s: &mut __S) -> Result<(), __S::Error>

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impl Decodable for CodegenFnAttrFlags

fn decode<__D: Decoder>(d: &mut __D) -> Result<CodegenFnAttrFlags, __D::Error>

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impl Debug for CodegenFnAttrFlags

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Binary for CodegenFnAttrFlags

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Octal for CodegenFnAttrFlags

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl LowerHex for CodegenFnAttrFlags

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl UpperHex for CodegenFnAttrFlags

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl BitOr for CodegenFnAttrFlags

type Output = CodegenFnAttrFlags

The resulting type after applying the | operator.

fn bitor(self, other: CodegenFnAttrFlags) -> CodegenFnAttrFlags

Returns the union of the two sets of flags.

impl BitOrAssign for CodegenFnAttrFlags

fn bitor_assign(&mut self, other: CodegenFnAttrFlags)

Adds the set of flags.

impl BitXor for CodegenFnAttrFlags

type Output = CodegenFnAttrFlags

The resulting type after applying the ^ operator.

fn bitxor(self, other: CodegenFnAttrFlags) -> CodegenFnAttrFlags

Returns the left flags, but with all the right flags toggled.

impl BitXorAssign for CodegenFnAttrFlags

fn bitxor_assign(&mut self, other: CodegenFnAttrFlags)

Toggles the set of flags.

impl BitAnd for CodegenFnAttrFlags

type Output = CodegenFnAttrFlags

The resulting type after applying the & operator.

fn bitand(self, other: CodegenFnAttrFlags) -> CodegenFnAttrFlags

Returns the intersection between the two sets of flags.

impl BitAndAssign for CodegenFnAttrFlags

fn bitand_assign(&mut self, other: CodegenFnAttrFlags)

Disables all flags disabled in the set.

impl Sub for CodegenFnAttrFlags

type Output = CodegenFnAttrFlags

The resulting type after applying the - operator.

fn sub(self, other: CodegenFnAttrFlags) -> CodegenFnAttrFlags

Returns the set difference of the two sets of flags.

impl SubAssign for CodegenFnAttrFlags

fn sub_assign(&mut self, other: CodegenFnAttrFlags)

Disables all flags enabled in the set.

impl Not for CodegenFnAttrFlags

type Output = CodegenFnAttrFlags

The resulting type after applying the ! operator.

fn not(self) -> CodegenFnAttrFlags

Returns the complement of this set of flags.

impl Extend<CodegenFnAttrFlags> for CodegenFnAttrFlags

fn extend<T: IntoIterator<Item = CodegenFnAttrFlags>>(&mut self, iterator: T)

Extends a collection with the contents of an iterator.

impl FromIterator<CodegenFnAttrFlags> for CodegenFnAttrFlags

fn from_iter<T: IntoIterator<Item = CodegenFnAttrFlags>>(     iterator: T ) -> CodegenFnAttrFlags

Creates a value from an iterator.

impl<'hir> HashStable<StableHashingContext<'hir>> for CodegenFnAttrFlags

fn hash_stable<W: StableHasherResult>(     &self,     hcx: &mut StableHashingContext<'hir>,     hasher: &mut StableHasher<W> )

🔬 This is a nightly-only experimental API. (rustc_private)

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