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Merged
merged 1 commit into from
Feb 19, 2025
Merged

compiler: Stop reexporting stuff in cg_llvm::abi #137210

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19 changes: 8 additions & 11 deletions compiler/rustc_codegen_llvm/src/abi.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -2,19 +2,18 @@ use std::borrow::Borrow;
use std::cmp;

use libc::c_uint;
use rustc_abi as abi;
pub(crate) use rustc_abi::ExternAbi;
use rustc_abi::{HasDataLayout, Primitive, Reg, RegKind, Size};
use rustc_abi::{BackendRepr, HasDataLayout, Primitive, Reg, RegKind, Size};
use rustc_codegen_ssa::MemFlags;
use rustc_codegen_ssa::mir::operand::{OperandRef, OperandValue};
use rustc_codegen_ssa::mir::place::{PlaceRef, PlaceValue};
use rustc_codegen_ssa::traits::*;
use rustc_middle::ty::Ty;
use rustc_middle::ty::layout::LayoutOf;
pub(crate) use rustc_middle::ty::layout::{WIDE_PTR_ADDR, WIDE_PTR_EXTRA};
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this is the funniest diff in this PR, to me, because it was absolutely being reexported here but not actually used here.

use rustc_middle::{bug, ty};
use rustc_session::config;
pub(crate) use rustc_target::callconv::*;
use rustc_target::callconv::{
ArgAbi, ArgAttribute, ArgAttributes, ArgExtension, CastTarget, Conv, FnAbi, PassMode,
};
use rustc_target::spec::SanitizerSet;
use smallvec::SmallVec;

Expand Down Expand Up @@ -458,7 +457,7 @@ impl<'ll, 'tcx> FnAbiLlvmExt<'ll, 'tcx> for FnAbi<'tcx, Ty<'tcx>> {
match &self.ret.mode {
PassMode::Direct(attrs) => {
attrs.apply_attrs_to_llfn(llvm::AttributePlace::ReturnValue, cx, llfn);
if let abi::BackendRepr::Scalar(scalar) = self.ret.layout.backend_repr {
if let BackendRepr::Scalar(scalar) = self.ret.layout.backend_repr {
apply_range_attr(llvm::AttributePlace::ReturnValue, scalar);
}
}
Expand Down Expand Up @@ -499,7 +498,7 @@ impl<'ll, 'tcx> FnAbiLlvmExt<'ll, 'tcx> for FnAbi<'tcx, Ty<'tcx>> {
}
PassMode::Direct(attrs) => {
let i = apply(attrs);
if let abi::BackendRepr::Scalar(scalar) = arg.layout.backend_repr {
if let BackendRepr::Scalar(scalar) = arg.layout.backend_repr {
apply_range_attr(llvm::AttributePlace::Argument(i), scalar);
}
}
Expand All @@ -514,9 +513,7 @@ impl<'ll, 'tcx> FnAbiLlvmExt<'ll, 'tcx> for FnAbi<'tcx, Ty<'tcx>> {
PassMode::Pair(a, b) => {
let i = apply(a);
let ii = apply(b);
if let abi::BackendRepr::ScalarPair(scalar_a, scalar_b) =
arg.layout.backend_repr
{
if let BackendRepr::ScalarPair(scalar_a, scalar_b) = arg.layout.backend_repr {
apply_range_attr(llvm::AttributePlace::Argument(i), scalar_a);
apply_range_attr(llvm::AttributePlace::Argument(ii), scalar_b);
}
Expand Down Expand Up @@ -576,7 +573,7 @@ impl<'ll, 'tcx> FnAbiLlvmExt<'ll, 'tcx> for FnAbi<'tcx, Ty<'tcx>> {
}
if bx.cx.sess().opts.optimize != config::OptLevel::No
&& llvm_util::get_version() < (19, 0, 0)
&& let abi::BackendRepr::Scalar(scalar) = self.ret.layout.backend_repr
&& let BackendRepr::Scalar(scalar) = self.ret.layout.backend_repr
&& matches!(scalar.primitive(), Primitive::Int(..))
// If the value is a boolean, the range is 0..2 and that ultimately
// become 0..0 when the type becomes i1, which would be rejected
Expand Down
18 changes: 10 additions & 8 deletions compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,9 @@ use rustc_codegen_ssa::traits::*;
use rustc_hir::def::{CtorKind, DefKind};
use rustc_hir::def_id::{DefId, LOCAL_CRATE};
use rustc_middle::bug;
use rustc_middle::ty::layout::{HasTypingEnv, LayoutOf, TyAndLayout};
use rustc_middle::ty::layout::{
HasTypingEnv, LayoutOf, TyAndLayout, WIDE_PTR_ADDR, WIDE_PTR_EXTRA,
};
use rustc_middle::ty::{
self, AdtKind, CoroutineArgsExt, ExistentialTraitRef, Instance, Ty, TyCtxt, Visibility,
};
Expand All @@ -34,12 +36,12 @@ use crate::common::{AsCCharPtr, CodegenCx};
use crate::debuginfo::dwarf_const;
use crate::debuginfo::metadata::type_map::build_type_with_children;
use crate::debuginfo::utils::{WidePtrKind, wide_pointer_kind};
use crate::llvm;
use crate::llvm::debuginfo::{
DIDescriptor, DIFile, DIFlags, DILexicalBlock, DIScope, DIType, DebugEmissionKind,
DebugNameTableKind,
};
use crate::value::Value;
use crate::{abi, llvm};

impl PartialEq for llvm::Metadata {
fn eq(&self, other: &Self) -> bool {
Expand Down Expand Up @@ -211,16 +213,16 @@ fn build_pointer_or_reference_di_node<'ll, 'tcx>(
};

let layout = cx.layout_of(layout_type);
let addr_field = layout.field(cx, abi::WIDE_PTR_ADDR);
let extra_field = layout.field(cx, abi::WIDE_PTR_EXTRA);
let addr_field = layout.field(cx, WIDE_PTR_ADDR);
let extra_field = layout.field(cx, WIDE_PTR_EXTRA);

let (addr_field_name, extra_field_name) = match wide_pointer_kind {
WidePtrKind::Dyn => ("pointer", "vtable"),
WidePtrKind::Slice => ("data_ptr", "length"),
};

assert_eq!(abi::WIDE_PTR_ADDR, 0);
assert_eq!(abi::WIDE_PTR_EXTRA, 1);
assert_eq!(WIDE_PTR_ADDR, 0);
assert_eq!(WIDE_PTR_EXTRA, 1);

// The data pointer type is a regular, thin pointer, regardless of whether this
// is a slice or a trait object.
Expand All @@ -242,7 +244,7 @@ fn build_pointer_or_reference_di_node<'ll, 'tcx>(
owner,
addr_field_name,
(addr_field.size, addr_field.align.abi),
layout.fields.offset(abi::WIDE_PTR_ADDR),
layout.fields.offset(WIDE_PTR_ADDR),
DIFlags::FlagZero,
data_ptr_type_di_node,
None,
Expand All @@ -252,7 +254,7 @@ fn build_pointer_or_reference_di_node<'ll, 'tcx>(
owner,
extra_field_name,
(extra_field.size, extra_field.align.abi),
layout.fields.offset(abi::WIDE_PTR_EXTRA),
layout.fields.offset(WIDE_PTR_EXTRA),
DIFlags::FlagZero,
type_di_node(cx, extra_field.ty),
None,
Expand Down
2 changes: 1 addition & 1 deletion compiler/rustc_codegen_llvm/src/debuginfo/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -22,14 +22,14 @@ use rustc_session::config::{self, DebugInfo};
use rustc_span::{
BytePos, Pos, SourceFile, SourceFileAndLine, SourceFileHash, Span, StableSourceFileId, Symbol,
};
use rustc_target::callconv::FnAbi;
use rustc_target::spec::DebuginfoKind;
use smallvec::SmallVec;
use tracing::debug;

use self::metadata::{UNKNOWN_COLUMN_NUMBER, UNKNOWN_LINE_NUMBER, file_metadata, type_di_node};
use self::namespace::mangled_name_of_instance;
use self::utils::{DIB, create_DIArray, is_node_local_to_unit};
use crate::abi::FnAbi;
use crate::builder::Builder;
use crate::common::{AsCCharPtr, CodegenCx};
use crate::llvm;
Expand Down
3 changes: 2 additions & 1 deletion compiler/rustc_codegen_llvm/src/declare.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -16,10 +16,11 @@ use rustc_codegen_ssa::traits::TypeMembershipCodegenMethods;
use rustc_data_structures::fx::FxIndexSet;
use rustc_middle::ty::{Instance, Ty};
use rustc_sanitizers::{cfi, kcfi};
use rustc_target::callconv::FnAbi;
use smallvec::SmallVec;
use tracing::debug;

use crate::abi::{FnAbi, FnAbiLlvmExt};
use crate::abi::FnAbiLlvmExt;
use crate::common::AsCCharPtr;
use crate::context::{CodegenCx, SimpleCx};
use crate::llvm::AttributePlace::Function;
Expand Down
12 changes: 6 additions & 6 deletions compiler/rustc_codegen_llvm/src/intrinsic.rs
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
use std::assert_matches::assert_matches;
use std::cmp::Ordering;

use rustc_abi::{self as abi, Align, Float, HasDataLayout, Primitive, Size};
use rustc_abi::{Align, BackendRepr, ExternAbi, Float, HasDataLayout, Primitive, Size};
use rustc_codegen_ssa::base::{compare_simd_types, wants_msvc_seh, wants_wasm_eh};
use rustc_codegen_ssa::common::{IntPredicate, TypeKind};
use rustc_codegen_ssa::errors::{ExpectedPointerMutability, InvalidMonomorphization};
Expand All @@ -14,10 +14,11 @@ use rustc_middle::ty::layout::{FnAbiOf, HasTyCtxt, HasTypingEnv, LayoutOf};
use rustc_middle::ty::{self, GenericArgsRef, Ty};
use rustc_middle::{bug, span_bug};
use rustc_span::{Span, Symbol, sym};
use rustc_target::callconv::{FnAbi, PassMode};
use rustc_target::spec::{HasTargetSpec, PanicStrategy};
use tracing::debug;

use crate::abi::{ExternAbi, FnAbi, FnAbiLlvmExt, LlvmType, PassMode};
use crate::abi::{FnAbiLlvmExt, LlvmType};
use crate::builder::Builder;
use crate::context::CodegenCx;
use crate::llvm::{self, Metadata};
Expand Down Expand Up @@ -257,7 +258,7 @@ impl<'ll, 'tcx> IntrinsicCallBuilderMethods<'tcx> for Builder<'_, 'll, 'tcx> {
}
sym::va_arg => {
match fn_abi.ret.layout.backend_repr {
abi::BackendRepr::Scalar(scalar) => {
BackendRepr::Scalar(scalar) => {
match scalar.primitive() {
Primitive::Int(..) => {
if self.cx().size_of(ret_ty).bytes() < 4 {
Expand Down Expand Up @@ -470,7 +471,7 @@ impl<'ll, 'tcx> IntrinsicCallBuilderMethods<'tcx> for Builder<'_, 'll, 'tcx> {
}

sym::raw_eq => {
use abi::BackendRepr::*;
use BackendRepr::*;
let tp_ty = fn_args.type_at(0);
let layout = self.layout_of(tp_ty).layout;
let use_integer_compare = match layout.backend_repr() {
Expand Down Expand Up @@ -582,8 +583,7 @@ impl<'ll, 'tcx> IntrinsicCallBuilderMethods<'tcx> for Builder<'_, 'll, 'tcx> {
}

let llret_ty = if ret_ty.is_simd()
&& let abi::BackendRepr::Memory { .. } =
self.layout_of(ret_ty).layout.backend_repr
&& let BackendRepr::Memory { .. } = self.layout_of(ret_ty).layout.backend_repr
{
let (size, elem_ty) = ret_ty.simd_size_and_type(self.tcx());
let elem_ll_ty = match elem_ty.kind() {
Expand Down
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