Struct spirt::qptr::lower::LowerFromSpvPtrs

pub struct LowerFromSpvPtrs<'a> {
    cx: Rc<Context>,
    wk: &'static WellKnown,
    layout_cache: LayoutCache<'a>,
    cached_qptr_type: Cell<Option<Type>>,
}

Context for lowering SPIR-V OpTypePointers to QPtrs.

See also passes::qptr::lower_from_spv_ptrs (which drives this).

Fields

cx: Rc<Context>

wk: &'static WellKnown

layout_cache: LayoutCache<'a>

cached_qptr_type: Cell<Option<Type>>

Implementations

impl<'a> LowerFromSpvPtrs<'a>

pub fn new(cx: Rc<Context>, layout_config: &'a LayoutConfig) -> Self

pub fn lower_global_var(&self, global_var_decl: &mut GlobalVarDecl)

pub fn lower_func(&self, func_decl: &mut FuncDecl)

fn as_spv_ptr_type(&self, ty: Type) -> Option<(AddrSpace, Type)>

Returns Some iff ty is a SPIR-V OpTypePointer.

fn const_as_u32(&self, ct: Const) -> Option<u32>

fn qptr_type(&self) -> Type

Get the (likely cached) QPtr type.

fn layout_of(&self, ty: Type) -> Result<TypeLayout, LowerError>

Attempt to compute a TypeLayout for a given (SPIR-V) Type.