From 0a67bf1b8a30f1fd540a577602c699d650366355 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Thu, 9 May 2024 22:45:14 -0400 Subject: [PATCH] Make builtin_deref just return a Ty --- src/base.rs | 7 ++----- src/intrinsics/mod.rs | 6 +++--- src/intrinsics/simd.rs | 2 +- src/lib.rs | 2 +- src/num.rs | 10 +++------- src/unsize.rs | 2 +- src/value_and_place.rs | 2 +- src/vtable.rs | 2 +- 8 files changed, 13 insertions(+), 20 deletions(-) diff --git a/src/base.rs b/src/base.rs index e3d050df4cd..8874efadec9 100644 --- a/src/base.rs +++ b/src/base.rs @@ -670,11 +670,8 @@ fn codegen_stmt<'tcx>( let to_ty = fx.monomorphize(to_ty); fn is_fat_ptr<'tcx>(fx: &FunctionCx<'_, '_, 'tcx>, ty: Ty<'tcx>) -> bool { - ty.builtin_deref(true).is_some_and( - |ty::TypeAndMut { ty: pointee_ty, mutbl: _ }| { - has_ptr_meta(fx.tcx, pointee_ty) - }, - ) + ty.builtin_deref(true) + .is_some_and(|pointee_ty| has_ptr_meta(fx.tcx, pointee_ty)) } if is_fat_ptr(fx, from_ty) { diff --git a/src/intrinsics/mod.rs b/src/intrinsics/mod.rs index 79a90507fa2..cafdc051db5 100644 --- a/src/intrinsics/mod.rs +++ b/src/intrinsics/mod.rs @@ -586,7 +586,7 @@ fn codegen_regular_intrinsic_call<'tcx>( intrinsic_args!(fx, args => (base, offset); intrinsic); let offset = offset.load_scalar(fx); - let pointee_ty = base.layout().ty.builtin_deref(true).unwrap().ty; + let pointee_ty = base.layout().ty.builtin_deref(true).unwrap(); let pointee_size = fx.layout_of(pointee_ty).size.bytes(); let ptr_diff = if pointee_size != 1 { fx.bcx.ins().imul_imm(offset, pointee_size as i64) @@ -610,7 +610,7 @@ fn codegen_regular_intrinsic_call<'tcx>( let val = val.load_scalar(fx); let count = count.load_scalar(fx); - let pointee_ty = dst.layout().ty.builtin_deref(true).unwrap().ty; + let pointee_ty = dst.layout().ty.builtin_deref(true).unwrap(); let pointee_size = fx.layout_of(pointee_ty).size.bytes(); let count = if pointee_size != 1 { fx.bcx.ins().imul_imm(count, pointee_size as i64) @@ -715,7 +715,7 @@ fn codegen_regular_intrinsic_call<'tcx>( // Cranelift treats loads as volatile by default // FIXME correctly handle unaligned_volatile_load - let inner_layout = fx.layout_of(ptr.layout().ty.builtin_deref(true).unwrap().ty); + let inner_layout = fx.layout_of(ptr.layout().ty.builtin_deref(true).unwrap()); let val = CValue::by_ref(Pointer::new(ptr.load_scalar(fx)), inner_layout); ret.write_cvalue(fx, val); } diff --git a/src/intrinsics/simd.rs b/src/intrinsics/simd.rs index 67f9d831062..452b5988dab 100644 --- a/src/intrinsics/simd.rs +++ b/src/intrinsics/simd.rs @@ -974,7 +974,7 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>( intrinsic_args!(fx, args => (ptr, offset); intrinsic); let (lane_count, ptr_lane_ty) = ptr.layout().ty.simd_size_and_type(fx.tcx); - let pointee_ty = ptr_lane_ty.builtin_deref(true).unwrap().ty; + let pointee_ty = ptr_lane_ty.builtin_deref(true).unwrap(); let pointee_size = fx.layout_of(pointee_ty).size.bytes(); let (ret_lane_count, ret_lane_ty) = ret.layout().ty.simd_size_and_type(fx.tcx); let ret_lane_layout = fx.layout_of(ret_lane_ty); diff --git a/src/lib.rs b/src/lib.rs index c9f84b69997..e72951b6f34 100644 --- a/src/lib.rs +++ b/src/lib.rs @@ -95,7 +95,7 @@ mod prelude { pub(crate) use rustc_middle::mir::{self, *}; pub(crate) use rustc_middle::ty::layout::{LayoutOf, TyAndLayout}; pub(crate) use rustc_middle::ty::{ - self, FloatTy, Instance, InstanceDef, IntTy, ParamEnv, Ty, TyCtxt, TypeAndMut, UintTy, + self, FloatTy, Instance, InstanceDef, IntTy, ParamEnv, Ty, TyCtxt, UintTy, }; pub(crate) use rustc_span::Span; pub(crate) use rustc_target::abi::{Abi, FieldIdx, Scalar, Size, VariantIdx, FIRST_VARIANT}; diff --git a/src/num.rs b/src/num.rs index 714858084ec..4d96a26ea4f 100644 --- a/src/num.rs +++ b/src/num.rs @@ -388,12 +388,8 @@ pub(crate) fn codegen_ptr_binop<'tcx>( in_lhs: CValue<'tcx>, in_rhs: CValue<'tcx>, ) -> CValue<'tcx> { - let is_thin_ptr = in_lhs - .layout() - .ty - .builtin_deref(true) - .map(|TypeAndMut { ty, mutbl: _ }| !has_ptr_meta(fx.tcx, ty)) - .unwrap_or(true); + let is_thin_ptr = + in_lhs.layout().ty.builtin_deref(true).map(|ty| !has_ptr_meta(fx.tcx, ty)).unwrap_or(true); if is_thin_ptr { match bin_op { @@ -404,7 +400,7 @@ pub(crate) fn codegen_ptr_binop<'tcx>( codegen_compare_bin_op(fx, bin_op, false, lhs, rhs) } BinOp::Offset => { - let pointee_ty = in_lhs.layout().ty.builtin_deref(true).unwrap().ty; + let pointee_ty = in_lhs.layout().ty.builtin_deref(true).unwrap(); let (base, offset) = (in_lhs, in_rhs.load_scalar(fx)); let pointee_size = fx.layout_of(pointee_ty).size.bytes(); let ptr_diff = fx.bcx.ins().imul_imm(offset, pointee_size as i64); diff --git a/src/unsize.rs b/src/unsize.rs index f33bacb99a3..4acbc8a27ed 100644 --- a/src/unsize.rs +++ b/src/unsize.rs @@ -127,7 +127,7 @@ pub(crate) fn coerce_unsized_into<'tcx>( let dst_ty = dst.layout().ty; let mut coerce_ptr = || { let (base, info) = - if fx.layout_of(src.layout().ty.builtin_deref(true).unwrap().ty).is_unsized() { + if fx.layout_of(src.layout().ty.builtin_deref(true).unwrap()).is_unsized() { let (old_base, old_info) = src.load_scalar_pair(fx); unsize_ptr(fx, old_base, src.layout(), dst.layout(), Some(old_info)) } else { diff --git a/src/value_and_place.rs b/src/value_and_place.rs index dded6df7771..a11abd0c0e9 100644 --- a/src/value_and_place.rs +++ b/src/value_and_place.rs @@ -819,7 +819,7 @@ pub(crate) fn place_index( } pub(crate) fn place_deref(self, fx: &mut FunctionCx<'_, '_, 'tcx>) -> CPlace<'tcx> { - let inner_layout = fx.layout_of(self.layout().ty.builtin_deref(true).unwrap().ty); + let inner_layout = fx.layout_of(self.layout().ty.builtin_deref(true).unwrap()); if has_ptr_meta(fx.tcx, inner_layout.ty) { let (addr, extra) = self.to_cvalue(fx).load_scalar_pair(fx); CPlace::for_ptr_with_extra(Pointer::new(addr), extra, inner_layout) diff --git a/src/vtable.rs b/src/vtable.rs index 04e24320f91..14c607ccad7 100644 --- a/src/vtable.rs +++ b/src/vtable.rs @@ -59,7 +59,7 @@ pub(crate) fn get_ptr_and_method_ref<'tcx>( if let ty::Ref(_, ty, _) = arg.layout().ty.kind() { if ty.is_dyn_star() { - let inner_layout = fx.layout_of(arg.layout().ty.builtin_deref(true).unwrap().ty); + let inner_layout = fx.layout_of(arg.layout().ty.builtin_deref(true).unwrap()); let dyn_star = CPlace::for_ptr(Pointer::new(arg.load_scalar(fx)), inner_layout); let ptr = dyn_star.place_field(fx, FieldIdx::ZERO).to_ptr(); let vtable =