bjoernager/rust
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interpret: refactor projection code to work on a common trait, and use that for visitors

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This commit is contained in:
Ralf Jung 2023-07-24 11:44:58 +02:00
parent a593de4fab
commit a2bcafa500
44 changed files with 863 additions and 1210 deletions
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4
compiler/rustc_const_eval/src/interpret/step.rs
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@ -8,7 +8,7 @@ use rustc_middle::mir;
use rustc_middle::mir::interpret::{InterpResult, Scalar};
use rustc_middle::ty::layout::LayoutOf;
use super::{ImmTy, InterpCx, Machine};
use super::{ImmTy, InterpCx, Machine, Projectable};
use crate::util;
impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
@ -197,7 +197,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
self.get_place_alloc_mut(&dest)?;
} else {
// Write the src to the first element.
let first = self.mplace_field(&dest, 0)?;
let first = self.project_index(&dest, 0)?;
self.copy_op(&src, &first.into(), /*allow_transmute*/ false)?;
// This is performance-sensitive code for big static/const arrays! So we