bjoernager/rust
bjoernager/rust
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Remove BackendRepr::Uninhabited, replaced with an uninhabited: bool field in LayoutData.

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Also update comments that refered to BackendRepr::Uninhabited.
This commit is contained in:
Zachary S 2025-01-25 20:15:24 -06:00
parent 28b83ee596
commit 7ba3d7b54e
26 changed files with 93 additions and 113 deletions
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2
compiler/rustc_codegen_gcc/src/intrinsic/mod.rs
View file

@ -315,7 +315,7 @@ impl<'a, 'gcc, 'tcx> IntrinsicCallBuilderMethods<'tcx> for Builder<'a, 'gcc, 'tc
let layout = self.layout_of(tp_ty).layout;
let _use_integer_compare = match layout.backend_repr() {
Scalar(_) | ScalarPair(_, _) => true,
Uninhabited | Vector { .. } => false,
Vector { .. } => false,
Memory { .. } => {
// For rusty ABIs, small aggregates are actually passed
// as `RegKind::Integer` (see `FnAbi::adjust_for_abi`),

13
compiler/rustc_codegen_gcc/src/type_of.rs
View file

@ -84,7 +84,7 @@ fn uncached_gcc_type<'gcc, 'tcx>(
false,
);
}
BackendRepr::Uninhabited | BackendRepr::Memory { .. } => {}
BackendRepr::Memory { .. } => {}
}
let name = match *layout.ty.kind() {
@ -179,19 +179,16 @@ impl<'tcx> LayoutGccExt<'tcx> for TyAndLayout<'tcx> {
fn is_gcc_immediate(&self) -> bool {
match self.backend_repr {
BackendRepr::Scalar(_) | BackendRepr::Vector { .. } => true,
BackendRepr::ScalarPair(..) | BackendRepr::Uninhabited | BackendRepr::Memory { .. } => {
false
}
BackendRepr::ScalarPair(..) | BackendRepr::Memory { .. } => false,
}
}
fn is_gcc_scalar_pair(&self) -> bool {
match self.backend_repr {
BackendRepr::ScalarPair(..) => true,
BackendRepr::Uninhabited
| BackendRepr::Scalar(_)
| BackendRepr::Vector { .. }
| BackendRepr::Memory { .. } => false,
BackendRepr::Scalar(_) | BackendRepr::Vector { .. } | BackendRepr::Memory { .. } => {
false
}
}
}