Struct rustc_codegen_llvm::abi::ArgAbi

pub struct ArgAbi<'a, Ty> {
    pub layout: TyAndLayout<'a, Ty>,
    pub mode: PassMode,
}

Information about how to pass an argument to, or return a value from, a function, under some ABI.

Fields

layout: TyAndLayout<'a, Ty>

mode: PassMode

Implementations

impl<'a, Ty> ArgAbi<'a, Ty>

pub fn new( cx: &impl HasDataLayout, layout: TyAndLayout<'a, Ty>, scalar_attrs: impl Fn(&TyAndLayout<'a, Ty>, Scalar, Size) -> ArgAttributes ) -> ArgAbi<'a, Ty>

This defines the “default ABI” for that type, that is then later adjusted in fn_abi_adjust_for_abi.

pub fn make_direct_deprecated(&mut self)

Pass this argument directly instead. Should NOT be used! Only exists because of past ABI mistakes that will take time to fix (see https://github.com/rust-lang/rust/issues/115666).

pub fn make_indirect(&mut self)

pub fn make_indirect_byval(&mut self, byval_align: Option<Align>)

pub fn extend_integer_width_to(&mut self, bits: u64)

pub fn cast_to<T>(&mut self, target: T)

where T: Into<CastTarget>,

pub fn cast_to_and_pad_i32<T>(&mut self, target: T, pad_i32: bool)

where T: Into<CastTarget>,

pub fn is_indirect(&self) -> bool

pub fn is_sized_indirect(&self) -> bool

pub fn is_unsized_indirect(&self) -> bool

pub fn is_ignore(&self) -> bool

pub fn eq_abi(&self, other: &ArgAbi<'a, Ty>) -> bool

Checks if these two ArgAbi are equal enough to be considered “the same for all function call ABIs”.

Trait Implementations

impl<'ll, 'tcx> ArgAbiExt<'ll, 'tcx> for ArgAbi<'tcx, Ty<'tcx>>

fn memory_ty(&self, cx: &CodegenCx<'ll, 'tcx>) -> &'ll Type

Gets the LLVM type for a place of the original Rust type of this argument/return, i.e., the result of type_of::type_of.

fn store( &self, bx: &mut Builder<'_, 'll, 'tcx>, val: &'ll Value, dst: PlaceRef<'tcx, &'ll Value> )

Stores a direct/indirect value described by this ArgAbi into a place for the original Rust type of this argument/return. Can be used for both storing formal arguments into Rust variables or results of call/invoke instructions into their destinations.

fn store_fn_arg( &self, bx: &mut Builder<'_, 'll, 'tcx>, idx: &mut usize, dst: PlaceRef<'tcx, &'ll Value> )

impl<'a, Ty> Clone for ArgAbi<'a, Ty>

where Ty: Clone,

fn clone(&self) -> ArgAbi<'a, Ty>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<'a, Ty> Debug for ArgAbi<'a, Ty>

where Ty: Display,

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl<'a, Ty> Hash for ArgAbi<'a, Ty>

where Ty: Hash,

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

where __H: Hasher,

Feeds this value into the given Hasher.

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

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl<'a, Ty, __CTX> HashStable<__CTX> for ArgAbi<'a, Ty>

where __CTX: HashStableContext, Ty: HashStable<__CTX>,

fn hash_stable(&self, __hcx: &mut __CTX, __hasher: &mut StableHasher)

impl<'a, Ty> PartialEq for ArgAbi<'a, Ty>

where Ty: PartialEq,

fn eq(&self, other: &ArgAbi<'a, Ty>) -> bool

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

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

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<'a, Ty> Eq for ArgAbi<'a, Ty>

where Ty: Eq,

impl<'a, Ty> StructuralPartialEq for ArgAbi<'a, Ty>

Layout

Note: Unable to compute type layout, possibly due to this type having generic parameters. Layout can only be computed for concrete, fully-instantiated types.