bjoernager/rust
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Remove mir::CastKind::Misc

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This commit is contained in:
ouz-a 2022-10-04 21:39:43 +03:00
parent 02cd79afb8
commit d59c7ff000
25 changed files with 190 additions and 57 deletions
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13
compiler/rustc_mir_build/src/build/expr/as_rvalue.rs
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@ -12,7 +12,7 @@ use rustc_middle::mir::AssertKind;
use rustc_middle::mir::Place;
use rustc_middle::mir::*;
use rustc_middle::thir::*;
use rustc_middle::ty::cast::CastTy;
use rustc_middle::ty::cast::{mir_cast_kind, CastTy};
use rustc_middle::ty::{self, Ty, UpvarSubsts};
use rustc_span::Span;
@ -217,16 +217,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
let from_ty = CastTy::from_ty(ty);
let cast_ty = CastTy::from_ty(expr.ty);
debug!("ExprKind::Cast from_ty={from_ty:?}, cast_ty={:?}/{cast_ty:?}", expr.ty,);
let cast_kind = match (from_ty, cast_ty) {
(Some(CastTy::Ptr(_) | CastTy::FnPtr), Some(CastTy::Int(_))) => {
CastKind::PointerExposeAddress
}
(Some(CastTy::Int(_)), Some(CastTy::Ptr(_))) => {
CastKind::PointerFromExposedAddress
}
(_, Some(CastTy::DynStar)) => CastKind::DynStar,
(_, _) => CastKind::Misc,
};
let cast_kind = mir_cast_kind(ty, expr.ty);
block.and(Rvalue::Cast(cast_kind, source, expr.ty))
}
ExprKind::Pointer { cast, source } => {