1 use super::BackendTypes;
2 use crate::mir::place::PlaceRef;
3 use rustc_middle::mir::interpret::{ConstAllocation, Scalar};
4 use rustc_middle::ty::layout::TyAndLayout;
5 use rustc_span::Symbol;
6 use rustc_target::abi::{self, Size};
8 pub trait ConstMethods<'tcx>: BackendTypes {
9 // Constant constructors
10 fn const_null(&self, t: Self::Type) -> Self::Value;
11 fn const_undef(&self, t: Self::Type) -> Self::Value;
12 fn const_int(&self, t: Self::Type, i: i64) -> Self::Value;
13 fn const_uint(&self, t: Self::Type, i: u64) -> Self::Value;
14 fn const_uint_big(&self, t: Self::Type, u: u128) -> Self::Value;
15 fn const_bool(&self, val: bool) -> Self::Value;
16 fn const_i32(&self, i: i32) -> Self::Value;
17 fn const_u32(&self, i: u32) -> Self::Value;
18 fn const_u64(&self, i: u64) -> Self::Value;
19 fn const_usize(&self, i: u64) -> Self::Value;
20 fn const_u8(&self, i: u8) -> Self::Value;
21 fn const_real(&self, t: Self::Type, val: f64) -> Self::Value;
23 fn const_str(&self, s: Symbol) -> (Self::Value, Self::Value);
24 fn const_struct(&self, elts: &[Self::Value], packed: bool) -> Self::Value;
26 fn const_to_opt_uint(&self, v: Self::Value) -> Option<u64>;
27 fn const_to_opt_u128(&self, v: Self::Value, sign_ext: bool) -> Option<u128>;
29 fn const_data_from_alloc(&self, alloc: ConstAllocation<'tcx>) -> Self::Value;
31 fn scalar_to_backend(&self, cv: Scalar, layout: abi::Scalar, llty: Self::Type) -> Self::Value;
34 layout: TyAndLayout<'tcx>,
35 alloc: ConstAllocation<'tcx>,
37 ) -> PlaceRef<'tcx, Self::Value>;
39 fn const_ptrcast(&self, val: Self::Value, ty: Self::Type) -> Self::Value;