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use super::BackendTypes;
use crate::mir::place::PlaceRef;
use rustc_middle::mir::interpret::{ConstAllocation, Scalar};
use rustc_middle::ty::layout::TyAndLayout;
use rustc_target::abi::{self, Size};
pub trait ConstMethods<'tcx>: BackendTypes {
// Constant constructors
fn const_null(&self, t: Self::Type) -> Self::Value;
fn const_undef(&self, t: Self::Type) -> Self::Value;
fn const_int(&self, t: Self::Type, i: i64) -> Self::Value;
fn const_uint(&self, t: Self::Type, i: u64) -> Self::Value;
fn const_uint_big(&self, t: Self::Type, u: u128) -> Self::Value;
fn const_bool(&self, val: bool) -> Self::Value;
fn const_i16(&self, i: i16) -> Self::Value;
fn const_i32(&self, i: i32) -> Self::Value;
fn const_u32(&self, i: u32) -> Self::Value;
fn const_u64(&self, i: u64) -> Self::Value;
fn const_usize(&self, i: u64) -> Self::Value;
fn const_u8(&self, i: u8) -> Self::Value;
fn const_real(&self, t: Self::Type, val: f64) -> Self::Value;
fn const_str(&self, s: &str) -> (Self::Value, Self::Value);
fn const_struct(&self, elts: &[Self::Value], packed: bool) -> Self::Value;
fn const_to_opt_uint(&self, v: Self::Value) -> Option<u64>;
fn const_to_opt_u128(&self, v: Self::Value, sign_ext: bool) -> Option<u128>;
fn const_data_from_alloc(&self, alloc: ConstAllocation<'tcx>) -> Self::Value;
fn scalar_to_backend(&self, cv: Scalar, layout: abi::Scalar, llty: Self::Type) -> Self::Value;
fn from_const_alloc(
&self,
layout: TyAndLayout<'tcx>,
alloc: ConstAllocation<'tcx>,
offset: Size,
) -> PlaceRef<'tcx, Self::Value>;
fn const_ptrcast(&self, val: Self::Value, ty: Self::Type) -> Self::Value;
}
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