diff options
Diffstat (limited to 'compiler/rustc_hir_analysis/src/check/intrinsic.rs')
| -rw-r--r-- | compiler/rustc_hir_analysis/src/check/intrinsic.rs | 61 |
1 files changed, 26 insertions, 35 deletions
diff --git a/compiler/rustc_hir_analysis/src/check/intrinsic.rs b/compiler/rustc_hir_analysis/src/check/intrinsic.rs index 598dc2dca..054284cce 100644 --- a/compiler/rustc_hir_analysis/src/check/intrinsic.rs +++ b/compiler/rustc_hir_analysis/src/check/intrinsic.rs @@ -15,8 +15,6 @@ use rustc_middle::ty::{self, TyCtxt}; use rustc_span::symbol::{kw, sym, Symbol}; use rustc_target::spec::abi::Abi; -use std::iter; - fn equate_intrinsic_type<'tcx>( tcx: TyCtxt<'tcx>, it: &hir::ForeignItem<'_>, @@ -56,8 +54,14 @@ fn equate_intrinsic_type<'tcx>( && gen_count_ok(own_counts.consts, 0, "const") { let fty = tcx.mk_fn_ptr(sig); - let cause = ObligationCause::new(it.span, it.hir_id(), ObligationCauseCode::IntrinsicType); - require_same_types(tcx, &cause, tcx.mk_fn_ptr(tcx.fn_sig(it.owner_id)), fty); + let it_def_id = it.owner_id.def_id; + let cause = ObligationCause::new(it.span, it_def_id, ObligationCauseCode::IntrinsicType); + require_same_types( + tcx, + &cause, + tcx.mk_fn_ptr(tcx.fn_sig(it.owner_id).subst_identity()), + fty, + ); } } @@ -133,25 +137,21 @@ pub fn check_intrinsic_type(tcx: TyCtxt<'_>, it: &hir::ForeignItem<'_>) { let intrinsic_name = tcx.item_name(intrinsic_id); let name_str = intrinsic_name.as_str(); - let bound_vars = tcx.mk_bound_variable_kinds( - [ - ty::BoundVariableKind::Region(ty::BrAnon(0, None)), - ty::BoundVariableKind::Region(ty::BrEnv), - ] - .iter() - .copied(), - ); + let bound_vars = tcx.mk_bound_variable_kinds(&[ + ty::BoundVariableKind::Region(ty::BrAnon(0, None)), + ty::BoundVariableKind::Region(ty::BrEnv), + ]); let mk_va_list_ty = |mutbl| { tcx.lang_items().va_list().map(|did| { - let region = tcx.mk_region(ty::ReLateBound( + let region = tcx.mk_re_late_bound( ty::INNERMOST, ty::BoundRegion { var: ty::BoundVar::from_u32(0), kind: ty::BrAnon(0, None) }, - )); - let env_region = tcx.mk_region(ty::ReLateBound( + ); + let env_region = tcx.mk_re_late_bound( ty::INNERMOST, ty::BoundRegion { var: ty::BoundVar::from_u32(1), kind: ty::BrEnv }, - )); - let va_list_ty = tcx.bound_type_of(did).subst(tcx, &[region.into()]); + ); + let va_list_ty = tcx.type_of(did).subst(tcx, &[region.into()]); (tcx.mk_ref(env_region, ty::TypeAndMut { ty: va_list_ty, mutbl }), va_list_ty) }) }; @@ -165,7 +165,7 @@ pub fn check_intrinsic_type(tcx: TyCtxt<'_>, it: &hir::ForeignItem<'_>) { "cxchg" | "cxchgweak" => ( 1, vec![tcx.mk_mut_ptr(param(0)), param(0), param(0)], - tcx.intern_tup(&[param(0), tcx.types.bool]), + tcx.mk_tup(&[param(0), tcx.types.bool]), ), "load" => (1, vec![tcx.mk_imm_ptr(param(0))], param(0)), "store" => (1, vec![tcx.mk_mut_ptr(param(0)), param(0)], tcx.mk_unit()), @@ -317,7 +317,7 @@ pub fn check_intrinsic_type(tcx: TyCtxt<'_>, it: &hir::ForeignItem<'_>) { | sym::bitreverse => (1, vec![param(0)], param(0)), sym::add_with_overflow | sym::sub_with_overflow | sym::mul_with_overflow => { - (1, vec![param(0), param(0)], tcx.intern_tup(&[param(0), tcx.types.bool])) + (1, vec![param(0), param(0)], tcx.mk_tup(&[param(0), tcx.types.bool])) } sym::ptr_guaranteed_cmp => { @@ -371,24 +371,22 @@ pub fn check_intrinsic_type(tcx: TyCtxt<'_>, it: &hir::ForeignItem<'_>) { ty::BoundRegion { var: ty::BoundVar::from_u32(0), kind: ty::BrAnon(0, None) }; ( 1, - vec![ - tcx.mk_imm_ref(tcx.mk_region(ty::ReLateBound(ty::INNERMOST, br)), param(0)), - ], - tcx.mk_projection(discriminant_def_id, tcx.mk_substs([param(0).into()].iter())), + vec![tcx.mk_imm_ref(tcx.mk_re_late_bound(ty::INNERMOST, br), param(0))], + tcx.mk_projection(discriminant_def_id, tcx.mk_substs(&[param(0).into()])), ) } kw::Try => { let mut_u8 = tcx.mk_mut_ptr(tcx.types.u8); let try_fn_ty = ty::Binder::dummy(tcx.mk_fn_sig( - iter::once(mut_u8), + [mut_u8], tcx.mk_unit(), false, hir::Unsafety::Normal, Abi::Rust, )); let catch_fn_ty = ty::Binder::dummy(tcx.mk_fn_sig( - [mut_u8, mut_u8].iter().cloned(), + [mut_u8, mut_u8], tcx.mk_unit(), false, hir::Unsafety::Normal, @@ -424,8 +422,7 @@ pub fn check_intrinsic_type(tcx: TyCtxt<'_>, it: &hir::ForeignItem<'_>) { sym::raw_eq => { let br = ty::BoundRegion { var: ty::BoundVar::from_u32(0), kind: ty::BrAnon(0, None) }; - let param_ty = - tcx.mk_imm_ref(tcx.mk_region(ty::ReLateBound(ty::INNERMOST, br)), param(0)); + let param_ty = tcx.mk_imm_ref(tcx.mk_re_late_bound(ty::INNERMOST, br), param(0)); (1, vec![param_ty; 2], tcx.types.bool) } @@ -444,7 +441,7 @@ pub fn check_intrinsic_type(tcx: TyCtxt<'_>, it: &hir::ForeignItem<'_>) { }; (n_tps, 0, inputs, output, unsafety) }; - let sig = tcx.mk_fn_sig(inputs.into_iter(), output, false, unsafety, Abi::RustIntrinsic); + let sig = tcx.mk_fn_sig(inputs, output, false, unsafety, Abi::RustIntrinsic); let sig = ty::Binder::bind_with_vars(sig, bound_vars); equate_intrinsic_type(tcx, it, n_tps, n_lts, sig) } @@ -542,13 +539,7 @@ pub fn check_platform_intrinsic_type(tcx: TyCtxt<'_>, it: &hir::ForeignItem<'_>) } }; - let sig = tcx.mk_fn_sig( - inputs.into_iter(), - output, - false, - hir::Unsafety::Unsafe, - Abi::PlatformIntrinsic, - ); + let sig = tcx.mk_fn_sig(inputs, output, false, hir::Unsafety::Unsafe, Abi::PlatformIntrinsic); let sig = ty::Binder::dummy(sig); equate_intrinsic_type(tcx, it, n_tps, 0, sig) } |