use TypingEnv when no infcx is available

the behavior of the type system not only depends on the current
assumptions, but also the currentnphase of the compiler. This is
mostly necessary as we need to decide whether and how to reveal
opaque types. We track this via the `TypingMode`.
This commit is contained in:
lcnr 2024-11-15 13:53:31 +01:00
parent bf6adec108
commit 9cba14b95b
240 changed files with 1739 additions and 1340 deletions

View file

@ -103,11 +103,11 @@ fn clif_pair_type_from_ty<'tcx>(
/// Is a pointer to this type a wide ptr?
pub(crate) fn has_ptr_meta<'tcx>(tcx: TyCtxt<'tcx>, ty: Ty<'tcx>) -> bool {
if ty.is_sized(tcx, ParamEnv::reveal_all()) {
if ty.is_sized(tcx, ty::ParamEnv::reveal_all()) {
return false;
}
let tail = tcx.struct_tail_for_codegen(ty, ParamEnv::reveal_all());
let tail = tcx.struct_tail_for_codegen(ty, ty::TypingEnv::fully_monomorphized());
match tail.kind() {
ty::Foreign(..) => false,
ty::Str | ty::Slice(..) | ty::Dynamic(..) => true,
@ -339,9 +339,9 @@ impl<'tcx> rustc_abi::HasDataLayout for FunctionCx<'_, '_, 'tcx> {
}
}
impl<'tcx> layout::HasParamEnv<'tcx> for FunctionCx<'_, '_, 'tcx> {
fn param_env(&self) -> ParamEnv<'tcx> {
ParamEnv::reveal_all()
impl<'tcx> layout::HasTypingEnv<'tcx> for FunctionCx<'_, '_, 'tcx> {
fn typing_env(&self) -> ty::TypingEnv<'tcx> {
ty::TypingEnv::fully_monomorphized()
}
}
@ -358,7 +358,7 @@ impl<'tcx> FunctionCx<'_, '_, 'tcx> {
{
self.instance.instantiate_mir_and_normalize_erasing_regions(
self.tcx,
ty::ParamEnv::reveal_all(),
ty::TypingEnv::fully_monomorphized(),
ty::EarlyBinder::bind(value),
)
}
@ -497,9 +497,9 @@ impl<'tcx> rustc_abi::HasDataLayout for RevealAllLayoutCx<'tcx> {
}
}
impl<'tcx> layout::HasParamEnv<'tcx> for RevealAllLayoutCx<'tcx> {
fn param_env(&self) -> ParamEnv<'tcx> {
ParamEnv::reveal_all()
impl<'tcx> layout::HasTypingEnv<'tcx> for RevealAllLayoutCx<'tcx> {
fn typing_env(&self) -> ty::TypingEnv<'tcx> {
ty::TypingEnv::fully_monomorphized()
}
}