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Add warn(unreachable_pub) to rustc_codegen_llvm.

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This commit is contained in:
Nicholas Nethercote 2024-07-06 22:26:42 +10:00
parent 0544d3a952
commit 61627438eb
31 changed files with 206 additions and 184 deletions
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14
compiler/rustc_codegen_llvm/src/abi.rs
View File

@ -6,13 +6,13 @@
use rustc_codegen_ssa::traits::*;
use rustc_codegen_ssa::MemFlags;
use rustc_middle::ty::layout::LayoutOf;
pub use rustc_middle::ty::layout::{FAT_PTR_ADDR, FAT_PTR_EXTRA};
pub(crate) use rustc_middle::ty::layout::{FAT_PTR_ADDR, FAT_PTR_EXTRA};
use rustc_middle::ty::Ty;
use rustc_middle::{bug, ty};
use rustc_session::config;
pub use rustc_target::abi::call::*;
pub(crate) use rustc_target::abi::call::*;
use rustc_target::abi::{self, HasDataLayout, Int, Size};
pub use rustc_target::spec::abi::Abi;
pub(crate) use rustc_target::spec::abi::Abi;
use rustc_target::spec::SanitizerSet;
use smallvec::SmallVec;
@ -25,7 +25,7 @@
use crate::value::Value;
use crate::{attributes, llvm_util};
pub trait ArgAttributesExt {
trait ArgAttributesExt {
fn apply_attrs_to_llfn(&self, idx: AttributePlace, cx: &CodegenCx<'_, '_>, llfn: &Value);
fn apply_attrs_to_callsite(
&self,
@ -111,7 +111,7 @@ fn apply_attrs_to_callsite(
}
}
pub trait LlvmType {
pub(crate) trait LlvmType {
fn llvm_type<'ll>(&self, cx: &CodegenCx<'ll, '_>) -> &'ll Type;
}
@ -171,7 +171,7 @@ fn llvm_type<'ll>(&self, cx: &CodegenCx<'ll, '_>) -> &'ll Type {
}
}
pub trait ArgAbiExt<'ll, 'tcx> {
trait ArgAbiExt<'ll, 'tcx> {
fn memory_ty(&self, cx: &CodegenCx<'ll, 'tcx>) -> &'ll Type;
fn store(
&self,
@ -307,7 +307,7 @@ fn arg_memory_ty(&self, arg_abi: &ArgAbi<'tcx, Ty<'tcx>>) -> &'ll Type {
}
}
pub trait FnAbiLlvmExt<'ll, 'tcx> {
pub(crate) trait FnAbiLlvmExt<'ll, 'tcx> {
fn llvm_type(&self, cx: &CodegenCx<'ll, 'tcx>) -> &'ll Type;
fn ptr_to_llvm_type(&self, cx: &CodegenCx<'ll, 'tcx>) -> &'ll Type;
fn llvm_cconv(&self) -> llvm::CallConv;

20
compiler/rustc_codegen_llvm/src/attributes.rs
View File

@ -1,6 +1,6 @@
//! Set and unset common attributes on LLVM values.
pub use rustc_attr::{InlineAttr, InstructionSetAttr, OptimizeAttr};
use rustc_attr::{InlineAttr, InstructionSetAttr, OptimizeAttr};
use rustc_codegen_ssa::traits::*;
use rustc_hir::def_id::DefId;
use rustc_middle::middle::codegen_fn_attrs::{CodegenFnAttrFlags, PatchableFunctionEntry};
@ -17,13 +17,13 @@
use crate::value::Value;
use crate::{attributes, llvm_util};
pub fn apply_to_llfn(llfn: &Value, idx: AttributePlace, attrs: &[&Attribute]) {
pub(crate) fn apply_to_llfn(llfn: &Value, idx: AttributePlace, attrs: &[&Attribute]) {
if !attrs.is_empty() {
llvm::AddFunctionAttributes(llfn, idx, attrs);
}
}
pub fn apply_to_callsite(callsite: &Value, idx: AttributePlace, attrs: &[&Attribute]) {
pub(crate) fn apply_to_callsite(callsite: &Value, idx: AttributePlace, attrs: &[&Attribute]) {
if !attrs.is_empty() {
llvm::AddCallSiteAttributes(callsite, idx, attrs);
}
@ -80,7 +80,7 @@ fn patchable_function_entry_attrs<'ll>(
/// Get LLVM sanitize attributes.
#[inline]
pub fn sanitize_attrs<'ll>(
pub(crate) fn sanitize_attrs<'ll>(
cx: &CodegenCx<'ll, '_>,
no_sanitize: SanitizerSet,
) -> SmallVec<[&'ll Attribute; 4]> {
@ -120,7 +120,7 @@ pub fn sanitize_attrs<'ll>(
/// Tell LLVM to emit or not emit the information necessary to unwind the stack for the function.
#[inline]
pub fn uwtable_attr(llcx: &llvm::Context, use_sync_unwind: Option<bool>) -> &Attribute {
pub(crate) fn uwtable_attr(llcx: &llvm::Context, use_sync_unwind: Option<bool>) -> &Attribute {
// NOTE: We should determine if we even need async unwind tables, as they
// take have more overhead and if we can use sync unwind tables we
// probably should.
@ -128,7 +128,7 @@ pub fn uwtable_attr(llcx: &llvm::Context, use_sync_unwind: Option<bool>) -> &Att
llvm::CreateUWTableAttr(llcx, async_unwind)
}
pub fn frame_pointer_type_attr<'ll>(cx: &CodegenCx<'ll, '_>) -> Option<&'ll Attribute> {
pub(crate) fn frame_pointer_type_attr<'ll>(cx: &CodegenCx<'ll, '_>) -> Option<&'ll Attribute> {
let mut fp = cx.sess().target.frame_pointer;
let opts = &cx.sess().opts;
// "mcount" function relies on stack pointer.
@ -280,19 +280,19 @@ fn backchain_attr<'ll>(cx: &CodegenCx<'ll, '_>) -> Option<&'ll Attribute> {
if found_positive { Some(llvm::CreateAttrString(cx.llcx, "backchain")) } else { None }
}
pub fn target_cpu_attr<'ll>(cx: &CodegenCx<'ll, '_>) -> &'ll Attribute {
pub(crate) fn target_cpu_attr<'ll>(cx: &CodegenCx<'ll, '_>) -> &'ll Attribute {
let target_cpu = llvm_util::target_cpu(cx.tcx.sess);
llvm::CreateAttrStringValue(cx.llcx, "target-cpu", target_cpu)
}
pub fn tune_cpu_attr<'ll>(cx: &CodegenCx<'ll, '_>) -> Option<&'ll Attribute> {
pub(crate) fn tune_cpu_attr<'ll>(cx: &CodegenCx<'ll, '_>) -> Option<&'ll Attribute> {
llvm_util::tune_cpu(cx.tcx.sess)
.map(|tune_cpu| llvm::CreateAttrStringValue(cx.llcx, "tune-cpu", tune_cpu))
}
/// Get the `NonLazyBind` LLVM attribute,
/// if the codegen options allow skipping the PLT.
pub fn non_lazy_bind_attr<'ll>(cx: &CodegenCx<'ll, '_>) -> Option<&'ll Attribute> {
pub(crate) fn non_lazy_bind_attr<'ll>(cx: &CodegenCx<'ll, '_>) -> Option<&'ll Attribute> {
// Don't generate calls through PLT if it's not necessary
if !cx.sess().needs_plt() {
Some(AttributeKind::NonLazyBind.create_attr(cx.llcx))
@ -327,7 +327,7 @@ fn create_alloc_family_attr(llcx: &llvm::Context) -> &llvm::Attribute {
/// Helper for `FnAbi::apply_attrs_llfn`:
/// Composite function which sets LLVM attributes for function depending on its AST (`#[attribute]`)
/// attributes.
pub fn llfn_attrs_from_instance<'ll, 'tcx>(
pub(crate) fn llfn_attrs_from_instance<'ll, 'tcx>(
cx: &CodegenCx<'ll, 'tcx>,
llfn: &'ll Value,
instance: ty::Instance<'tcx>,

2
compiler/rustc_codegen_llvm/src/back/archive.rs
View File

@ -102,7 +102,7 @@ fn build(mut self: Box<Self>, output: &Path) -> bool {
}
}
pub struct LlvmArchiveBuilderBuilder;
pub(crate) struct LlvmArchiveBuilderBuilder;
impl ArchiveBuilderBuilder for LlvmArchiveBuilderBuilder {
fn new_archive_builder<'a>(&self, sess: &'a Session) -> Box<dyn ArchiveBuilder + 'a> {

10
compiler/rustc_codegen_llvm/src/back/lto.rs
View File

@ -33,9 +33,9 @@
/// We keep track of the computed LTO cache keys from the previous
/// session to determine which CGUs we can reuse.
pub const THIN_LTO_KEYS_INCR_COMP_FILE_NAME: &str = "thin-lto-past-keys.bin";
const THIN_LTO_KEYS_INCR_COMP_FILE_NAME: &str = "thin-lto-past-keys.bin";
pub fn crate_type_allows_lto(crate_type: CrateType) -> bool {
fn crate_type_allows_lto(crate_type: CrateType) -> bool {
match crate_type {
CrateType::Executable
| CrateType::Dylib
@ -710,7 +710,7 @@ fn drop(&mut self) {
}
}
pub unsafe fn optimize_thin_module(
pub(crate) unsafe fn optimize_thin_module(
thin_module: ThinModule<LlvmCodegenBackend>,
cgcx: &CodegenContext<LlvmCodegenBackend>,
) -> Result<ModuleCodegen<ModuleLlvm>, FatalError> {
@ -806,7 +806,7 @@ pub unsafe fn optimize_thin_module(
/// Maps LLVM module identifiers to their corresponding LLVM LTO cache keys
#[derive(Debug, Default)]
pub struct ThinLTOKeysMap {
struct ThinLTOKeysMap {
// key = llvm name of importing module, value = LLVM cache key
keys: BTreeMap<String, String>,
}
@ -863,7 +863,7 @@ fn module_name_to_str(c_str: &CStr) -> &str {
})
}
pub fn parse_module<'a>(
pub(crate) fn parse_module<'a>(
cx: &'a llvm::Context,
name: &CStr,
data: &[u8],

8
compiler/rustc_codegen_llvm/src/back/profiling.rs
View File

@ -21,14 +21,14 @@ fn llvm_args_to_string_id(profiler: &SelfProfiler, pass_name: &str, ir_name: &st
EventId::from_label(profiler.alloc_string(components.as_slice()))
}
pub struct LlvmSelfProfiler<'a> {
pub(crate) struct LlvmSelfProfiler<'a> {
profiler: Arc<SelfProfiler>,
stack: Vec<TimingGuard<'a>>,
llvm_pass_event_kind: StringId,
}
impl<'a> LlvmSelfProfiler<'a> {
pub fn new(profiler: Arc<SelfProfiler>) -> Self {
pub(crate) fn new(profiler: Arc<SelfProfiler>) -> Self {
let llvm_pass_event_kind = profiler.alloc_string("LLVM Pass");
Self { profiler, stack: Vec::default(), llvm_pass_event_kind }
}
@ -43,7 +43,7 @@ fn after_pass_callback(&mut self) {
}
}
pub unsafe extern "C" fn selfprofile_before_pass_callback(
pub(crate) unsafe extern "C" fn selfprofile_before_pass_callback(
llvm_self_profiler: *mut c_void,
pass_name: *const c_char,
ir_name: *const c_char,
@ -56,7 +56,7 @@ fn after_pass_callback(&mut self) {
}
}
pub unsafe extern "C" fn selfprofile_after_pass_callback(llvm_self_profiler: *mut c_void) {
pub(crate) unsafe extern "C" fn selfprofile_after_pass_callback(llvm_self_profiler: *mut c_void) {
let llvm_self_profiler = unsafe { &mut *(llvm_self_profiler as *mut LlvmSelfProfiler<'_>) };
llvm_self_profiler.after_pass_callback();
}

20
compiler/rustc_codegen_llvm/src/back/write.rs
View File

@ -43,14 +43,14 @@
use crate::type_::Type;
use crate::{base, common, llvm_util, LlvmCodegenBackend, ModuleLlvm};
pub fn llvm_err<'a>(dcx: DiagCtxtHandle<'_>, err: LlvmError<'a>) -> FatalError {
pub(crate) fn llvm_err<'a>(dcx: DiagCtxtHandle<'_>, err: LlvmError<'a>) -> FatalError {
match llvm::last_error() {
Some(llvm_err) => dcx.emit_almost_fatal(WithLlvmError(err, llvm_err)),
None => dcx.emit_almost_fatal(err),
}
}
pub fn write_output_file<'ll>(
fn write_output_file<'ll>(
dcx: DiagCtxtHandle<'_>,
target: &'ll llvm::TargetMachine,
pm: &llvm::PassManager<'ll>,
@ -95,7 +95,7 @@ pub fn write_output_file<'ll>(
}
}
pub fn create_informational_target_machine(
pub(crate) fn create_informational_target_machine(
sess: &Session,
only_base_features: bool,
) -> OwnedTargetMachine {
@ -107,7 +107,7 @@ pub fn create_informational_target_machine(
.unwrap_or_else(|err| llvm_err(sess.dcx(), err).raise())
}
pub fn create_target_machine(tcx: TyCtxt<'_>, mod_name: &str) -> OwnedTargetMachine {
pub(crate) fn create_target_machine(tcx: TyCtxt<'_>, mod_name: &str) -> OwnedTargetMachine {
let split_dwarf_file = if tcx.sess.target_can_use_split_dwarf() {
tcx.output_filenames(()).split_dwarf_path(
tcx.sess.split_debuginfo(),
@ -130,9 +130,7 @@ pub fn create_target_machine(tcx: TyCtxt<'_>, mod_name: &str) -> OwnedTargetMach
.unwrap_or_else(|err| llvm_err(tcx.dcx(), err).raise())
}
pub fn to_llvm_opt_settings(
cfg: config::OptLevel,
) -> (llvm::CodeGenOptLevel, llvm::CodeGenOptSize) {
fn to_llvm_opt_settings(cfg: config::OptLevel) -> (llvm::CodeGenOptLevel, llvm::CodeGenOptSize) {
use self::config::OptLevel::*;
match cfg {
No => (llvm::CodeGenOptLevel::None, llvm::CodeGenOptSizeNone),
@ -179,7 +177,7 @@ pub(crate) fn to_llvm_code_model(code_model: Option<CodeModel>) -> llvm::CodeMod
}
}
pub fn target_machine_factory(
pub(crate) fn target_machine_factory(
sess: &Session,
optlvl: config::OptLevel,
target_features: &[String],
@ -320,7 +318,7 @@ pub(crate) fn save_temp_bitcode(
}
/// In what context is a dignostic handler being attached to a codegen unit?
pub enum CodegenDiagnosticsStage {
pub(crate) enum CodegenDiagnosticsStage {
/// Prelink optimization stage.
Opt,
/// LTO/ThinLTO postlink optimization stage.
@ -329,14 +327,14 @@ pub enum CodegenDiagnosticsStage {
Codegen,
}
pub struct DiagnosticHandlers<'a> {
pub(crate) struct DiagnosticHandlers<'a> {
data: *mut (&'a CodegenContext<LlvmCodegenBackend>, DiagCtxtHandle<'a>),
llcx: &'a llvm::Context,
old_handler: Option<&'a llvm::DiagnosticHandler>,
}
impl<'a> DiagnosticHandlers<'a> {
pub fn new(
pub(crate) fn new(
cgcx: &'a CodegenContext<LlvmCodegenBackend>,
dcx: DiagCtxtHandle<'a>,
llcx: &'a llvm::Context,

15
compiler/rustc_codegen_llvm/src/base.rs
View File

@ -32,7 +32,7 @@
use crate::value::Value;
use crate::{attributes, llvm};
pub struct ValueIter<'ll> {
pub(crate) struct ValueIter<'ll> {
cur: Option<&'ll Value>,
step: unsafe extern "C" fn(&'ll Value) -> Option<&'ll Value>,
}
@ -49,11 +49,14 @@ fn next(&mut self) -> Option<&'ll Value> {
}
}
pub fn iter_globals(llmod: &llvm::Module) -> ValueIter<'_> {
pub(crate) fn iter_globals(llmod: &llvm::Module) -> ValueIter<'_> {
unsafe { ValueIter { cur: llvm::LLVMGetFirstGlobal(llmod), step: llvm::LLVMGetNextGlobal } }
}
pub fn compile_codegen_unit(tcx: TyCtxt<'_>, cgu_name: Symbol) -> (ModuleCodegen<ModuleLlvm>, u64) {
pub(crate) fn compile_codegen_unit(
tcx: TyCtxt<'_>,
cgu_name: Symbol,
) -> (ModuleCodegen<ModuleLlvm>, u64) {
let start_time = Instant::now();
let dep_node = tcx.codegen_unit(cgu_name).codegen_dep_node(tcx);
@ -140,7 +143,7 @@ fn module_codegen(tcx: TyCtxt<'_>, cgu_name: Symbol) -> ModuleCodegen<ModuleLlvm
(module, cost)
}
pub fn set_link_section(llval: &Value, attrs: &CodegenFnAttrs) {
pub(crate) fn set_link_section(llval: &Value, attrs: &CodegenFnAttrs) {
let Some(sect) = attrs.link_section else { return };
unsafe {
let buf = SmallCStr::new(sect.as_str());
@ -148,7 +151,7 @@ pub fn set_link_section(llval: &Value, attrs: &CodegenFnAttrs) {
}
}
pub fn linkage_to_llvm(linkage: Linkage) -> llvm::Linkage {
pub(crate) fn linkage_to_llvm(linkage: Linkage) -> llvm::Linkage {
match linkage {
Linkage::External => llvm::Linkage::ExternalLinkage,
Linkage::AvailableExternally => llvm::Linkage::AvailableExternallyLinkage,
@ -164,7 +167,7 @@ pub fn linkage_to_llvm(linkage: Linkage) -> llvm::Linkage {
}
}
pub fn visibility_to_llvm(linkage: Visibility) -> llvm::Visibility {
pub(crate) fn visibility_to_llvm(linkage: Visibility) -> llvm::Visibility {
match linkage {
Visibility::Default => llvm::Visibility::Default,
Visibility::Hidden => llvm::Visibility::Hidden,

58
compiler/rustc_codegen_llvm/src/builder.rs
View File

@ -36,7 +36,7 @@
// All Builders must have an llfn associated with them
#[must_use]
pub struct Builder<'a, 'll, 'tcx> {
pub(crate) struct Builder<'a, 'll, 'tcx> {
pub llbuilder: &'ll mut llvm::Builder<'ll>,
pub cx: &'a CodegenCx<'ll, 'tcx>,
}
@ -1343,7 +1343,7 @@ fn with_cx(cx: &'a CodegenCx<'ll, 'tcx>) -> Self {
Builder { llbuilder, cx }
}
pub fn llfn(&self) -> &'ll Value {
pub(crate) fn llfn(&self) -> &'ll Value {
unsafe { llvm::LLVMGetBasicBlockParent(self.llbb()) }
}
@ -1375,7 +1375,7 @@ fn noundef_metadata(&mut self, load: &'ll Value) {
}
}
pub fn set_unpredictable(&mut self, inst: &'ll Value) {
pub(crate) fn set_unpredictable(&mut self, inst: &'ll Value) {
unsafe {
llvm::LLVMSetMetadata(
inst,
@ -1385,15 +1385,15 @@ pub fn set_unpredictable(&mut self, inst: &'ll Value) {
}
}
pub fn minnum(&mut self, lhs: &'ll Value, rhs: &'ll Value) -> &'ll Value {
pub(crate) fn minnum(&mut self, lhs: &'ll Value, rhs: &'ll Value) -> &'ll Value {
unsafe { llvm::LLVMRustBuildMinNum(self.llbuilder, lhs, rhs) }
}
pub fn maxnum(&mut self, lhs: &'ll Value, rhs: &'ll Value) -> &'ll Value {
pub(crate) fn maxnum(&mut self, lhs: &'ll Value, rhs: &'ll Value) -> &'ll Value {
unsafe { llvm::LLVMRustBuildMaxNum(self.llbuilder, lhs, rhs) }
}
pub fn insert_element(
pub(crate) fn insert_element(
&mut self,
vec: &'ll Value,
elt: &'ll Value,
@ -1402,7 +1402,7 @@ pub fn insert_element(
unsafe { llvm::LLVMBuildInsertElement(self.llbuilder, vec, elt, idx, UNNAMED) }
}
pub fn shuffle_vector(
pub(crate) fn shuffle_vector(
&mut self,
v1: &'ll Value,
v2: &'ll Value,
@ -1411,65 +1411,77 @@ pub fn shuffle_vector(
unsafe { llvm::LLVMBuildShuffleVector(self.llbuilder, v1, v2, mask, UNNAMED) }
}
pub fn vector_reduce_fadd(&mut self, acc: &'ll Value, src: &'ll Value) -> &'ll Value {
pub(crate) fn vector_reduce_fadd(&mut self, acc: &'ll Value, src: &'ll Value) -> &'ll Value {
unsafe { llvm::LLVMRustBuildVectorReduceFAdd(self.llbuilder, acc, src) }
}
pub fn vector_reduce_fmul(&mut self, acc: &'ll Value, src: &'ll Value) -> &'ll Value {
pub(crate) fn vector_reduce_fmul(&mut self, acc: &'ll Value, src: &'ll Value) -> &'ll Value {
unsafe { llvm::LLVMRustBuildVectorReduceFMul(self.llbuilder, acc, src) }
}
pub fn vector_reduce_fadd_reassoc(&mut self, acc: &'ll Value, src: &'ll Value) -> &'ll Value {
pub(crate) fn vector_reduce_fadd_reassoc(
&mut self,
acc: &'ll Value,
src: &'ll Value,
) -> &'ll Value {
unsafe {
let instr = llvm::LLVMRustBuildVectorReduceFAdd(self.llbuilder, acc, src);
llvm::LLVMRustSetAllowReassoc(instr);
instr
}
}
pub fn vector_reduce_fmul_reassoc(&mut self, acc: &'ll Value, src: &'ll Value) -> &'ll Value {
pub(crate) fn vector_reduce_fmul_reassoc(
&mut self,
acc: &'ll Value,
src: &'ll Value,
) -> &'ll Value {
unsafe {
let instr = llvm::LLVMRustBuildVectorReduceFMul(self.llbuilder, acc, src);
llvm::LLVMRustSetAllowReassoc(instr);
instr
}
}
pub fn vector_reduce_add(&mut self, src: &'ll Value) -> &'ll Value {
pub(crate) fn vector_reduce_add(&mut self, src: &'ll Value) -> &'ll Value {
unsafe { llvm::LLVMRustBuildVectorReduceAdd(self.llbuilder, src) }
}
pub fn vector_reduce_mul(&mut self, src: &'ll Value) -> &'ll Value {
pub(crate) fn vector_reduce_mul(&mut self, src: &'ll Value) -> &'ll Value {
unsafe { llvm::LLVMRustBuildVectorReduceMul(self.llbuilder, src) }
}
pub fn vector_reduce_and(&mut self, src: &'ll Value) -> &'ll Value {
pub(crate) fn vector_reduce_and(&mut self, src: &'ll Value) -> &'ll Value {
unsafe { llvm::LLVMRustBuildVectorReduceAnd(self.llbuilder, src) }
}
pub fn vector_reduce_or(&mut self, src: &'ll Value) -> &'ll Value {
pub(crate) fn vector_reduce_or(&mut self, src: &'ll Value) -> &'ll Value {
unsafe { llvm::LLVMRustBuildVectorReduceOr(self.llbuilder, src) }
}
pub fn vector_reduce_xor(&mut self, src: &'ll Value) -> &'ll Value {
pub(crate) fn vector_reduce_xor(&mut self, src: &'ll Value) -> &'ll Value {
unsafe { llvm::LLVMRustBuildVectorReduceXor(self.llbuilder, src) }
}
pub fn vector_reduce_fmin(&mut self, src: &'ll Value) -> &'ll Value {
pub(crate) fn vector_reduce_fmin(&mut self, src: &'ll Value) -> &'ll Value {
unsafe {
llvm::LLVMRustBuildVectorReduceFMin(self.llbuilder, src, /*NoNaNs:*/ false)
}
}
pub fn vector_reduce_fmax(&mut self, src: &'ll Value) -> &'ll Value {
pub(crate) fn vector_reduce_fmax(&mut self, src: &'ll Value) -> &'ll Value {
unsafe {
llvm::LLVMRustBuildVectorReduceFMax(self.llbuilder, src, /*NoNaNs:*/ false)
}
}
pub fn vector_reduce_min(&mut self, src: &'ll Value, is_signed: bool) -> &'ll Value {
pub(crate) fn vector_reduce_min(&mut self, src: &'ll Value, is_signed: bool) -> &'ll Value {
unsafe { llvm::LLVMRustBuildVectorReduceMin(self.llbuilder, src, is_signed) }
}
pub fn vector_reduce_max(&mut self, src: &'ll Value, is_signed: bool) -> &'ll Value {
pub(crate) fn vector_reduce_max(&mut self, src: &'ll Value, is_signed: bool) -> &'ll Value {
unsafe { llvm::LLVMRustBuildVectorReduceMax(self.llbuilder, src, is_signed) }
}
pub fn add_clause(&mut self, landing_pad: &'ll Value, clause: &'ll Value) {
pub(crate) fn add_clause(&mut self, landing_pad: &'ll Value, clause: &'ll Value) {
unsafe {
llvm::LLVMAddClause(landing_pad, clause);
}
}
pub fn catch_ret(&mut self, funclet: &Funclet<'ll>, unwind: &'ll BasicBlock) -> &'ll Value {
pub(crate) fn catch_ret(
&mut self,
funclet: &Funclet<'ll>,
unwind: &'ll BasicBlock,
) -> &'ll Value {
let ret = unsafe { llvm::LLVMBuildCatchRet(self.llbuilder, funclet.cleanuppad(), unwind) };
ret.expect("LLVM does not have support for catchret")
}
@ -1515,7 +1527,7 @@ fn check_call<'b>(
Cow::Owned(casted_args)
}
pub fn va_arg(&mut self, list: &'ll Value, ty: &'ll Type) -> &'ll Value {
pub(crate) fn va_arg(&mut self, list: &'ll Value, ty: &'ll Type) -> &'ll Value {
unsafe { llvm::LLVMBuildVAArg(self.llbuilder, list, ty, UNNAMED) }
}

2
compiler/rustc_codegen_llvm/src/callee.rs
View File

@ -20,7 +20,7 @@
///
/// - `cx`: the crate context
/// - `instance`: the instance to be instantiated
pub fn get_fn<'ll, 'tcx>(cx: &CodegenCx<'ll, 'tcx>, instance: Instance<'tcx>) -> &'ll Value {
pub(crate) fn get_fn<'ll, 'tcx>(cx: &CodegenCx<'ll, 'tcx>, instance: Instance<'tcx>) -> &'ll Value {
let tcx = cx.tcx();
debug!("get_fn(instance={:?})", instance);

22
compiler/rustc_codegen_llvm/src/common.rs
View File

@ -13,7 +13,7 @@
use tracing::debug;
use crate::consts::const_alloc_to_llvm;
pub use crate::context::CodegenCx;
pub(crate) use crate::context::CodegenCx;
use crate::llvm::{self, BasicBlock, Bool, ConstantInt, False, OperandBundleDef, True};
use crate::type_::Type;
use crate::value::Value;
@ -58,21 +58,21 @@
/// When inside of a landing pad, each function call in LLVM IR needs to be
/// annotated with which landing pad it's a part of. This is accomplished via
/// the `OperandBundleDef` value created for MSVC landing pads.
pub struct Funclet<'ll> {
pub(crate) struct Funclet<'ll> {
cleanuppad: &'ll Value,
operand: OperandBundleDef<'ll>,
}
impl<'ll> Funclet<'ll> {
pub fn new(cleanuppad: &'ll Value) -> Self {
pub(crate) fn new(cleanuppad: &'ll Value) -> Self {
Funclet { cleanuppad, operand: OperandBundleDef::new("funclet", &[cleanuppad]) }
}
pub fn cleanuppad(&self) -> &'ll Value {
pub(crate) fn cleanuppad(&self) -> &'ll Value {
self.cleanuppad
}
pub fn bundle(&self) -> &OperandBundleDef<'ll> {
pub(crate) fn bundle(&self) -> &OperandBundleDef<'ll> {
&self.operand
}
}
@ -92,16 +92,16 @@ impl<'ll> BackendTypes for CodegenCx<'ll, '_> {
}
impl<'ll> CodegenCx<'ll, '_> {
pub fn const_array(&self, ty: &'ll Type, elts: &[&'ll Value]) -> &'ll Value {
pub(crate) fn const_array(&self, ty: &'ll Type, elts: &[&'ll Value]) -> &'ll Value {
let len = u64::try_from(elts.len()).expect("LLVMConstArray2 elements len overflow");
unsafe { llvm::LLVMConstArray2(ty, elts.as_ptr(), len) }
}
pub fn const_bytes(&self, bytes: &[u8]) -> &'ll Value {
pub(crate) fn const_bytes(&self, bytes: &[u8]) -> &'ll Value {
bytes_in_context(self.llcx, bytes)
}
pub fn const_get_elt(&self, v: &'ll Value, idx: u64) -> &'ll Value {
pub(crate) fn const_get_elt(&self, v: &'ll Value, idx: u64) -> &'ll Value {
unsafe {
let idx = c_uint::try_from(idx).expect("LLVMGetAggregateElement index overflow");
let r = llvm::LLVMGetAggregateElement(v, idx).unwrap();
@ -339,18 +339,18 @@ fn const_ptr_byte_offset(&self, base_addr: Self::Value, offset: abi::Size) -> Se
}
/// Get the [LLVM type][Type] of a [`Value`].
pub fn val_ty(v: &Value) -> &Type {
pub(crate) fn val_ty(v: &Value) -> &Type {
unsafe { llvm::LLVMTypeOf(v) }
}
pub fn bytes_in_context<'ll>(llcx: &'ll llvm::Context, bytes: &[u8]) -> &'ll Value {
pub(crate) fn bytes_in_context<'ll>(llcx: &'ll llvm::Context, bytes: &[u8]) -> &'ll Value {
unsafe {
let ptr = bytes.as_ptr() as *const c_char;
llvm::LLVMConstStringInContext2(llcx, ptr, bytes.len(), True)
}
}
pub fn struct_in_context<'ll>(
fn struct_in_context<'ll>(
llcx: &'ll llvm::Context,
elts: &[&'ll Value],
packed: bool,

2
compiler/rustc_codegen_llvm/src/consts.rs
View File

@ -29,7 +29,7 @@
use crate::value::Value;
use crate::{base, debuginfo};
pub fn const_alloc_to_llvm<'ll>(
pub(crate) fn const_alloc_to_llvm<'ll>(
cx: &CodegenCx<'ll, '_>,
alloc: ConstAllocation<'_>,
is_static: bool,

10
compiler/rustc_codegen_llvm/src/context.rs
View File

@ -39,7 +39,7 @@
/// There is one `CodegenCx` per compilation unit. Each one has its own LLVM
/// `llvm::Context` so that several compilation units may be optimized in parallel.
/// All other LLVM data structures in the `CodegenCx` are tied to that `llvm::Context`.
pub struct CodegenCx<'ll, 'tcx> {
pub(crate) struct CodegenCx<'ll, 'tcx> {
pub tcx: TyCtxt<'tcx>,
pub use_dll_storage_attrs: bool,
pub tls_model: llvm::ThreadLocalMode,
@ -110,7 +110,7 @@ fn to_llvm_tls_model(tls_model: TlsModel) -> llvm::ThreadLocalMode {
}
}
pub unsafe fn create_module<'ll>(
pub(crate) unsafe fn create_module<'ll>(
tcx: TyCtxt<'_>,
llcx: &'ll llvm::Context,
mod_name: &str,
@ -531,7 +531,9 @@ pub(crate) fn statics_to_rauw(&self) -> &RefCell<Vec<(&'ll Value, &'ll Value)>>
}
#[inline]
pub fn coverage_context(&self) -> Option<&coverageinfo::CrateCoverageContext<'ll, 'tcx>> {
pub(crate) fn coverage_context(
&self,
) -> Option<&coverageinfo::CrateCoverageContext<'ll, 'tcx>> {
self.coverage_cx.as_ref()
}
@ -1064,7 +1066,7 @@ pub(crate) fn eh_catch_typeinfo(&self) -> &'ll Value {
impl CodegenCx<'_, '_> {
/// Generates a new symbol name with the given prefix. This symbol name must
/// only be used for definitions with `internal` or `private` linkage.
pub fn generate_local_symbol_name(&self, prefix: &str) -> String {
pub(crate) fn generate_local_symbol_name(&self, prefix: &str) -> String {
let idx = self.local_gen_sym_counter.get();
self.local_gen_sym_counter.set(idx + 1);
// Include a '.' character, so there can be no accidental conflicts with

18
compiler/rustc_codegen_llvm/src/coverageinfo/ffi.rs
View File

@ -80,7 +80,7 @@ pub struct CounterExpression {
/// Must match the layout of `LLVMRustCounterMappingRegionKind`.
#[derive(Copy, Clone, Debug)]
#[repr(C)]
pub enum RegionKind {
enum RegionKind {
/// A CodeRegion associates some code with a counter
CodeRegion = 0,
@ -110,13 +110,13 @@ pub enum RegionKind {
MCDCBranchRegion = 6,
}
pub mod mcdc {
mod mcdc {
use rustc_middle::mir::coverage::{ConditionInfo, DecisionInfo};
/// Must match the layout of `LLVMRustMCDCDecisionParameters`.
#[repr(C)]
#[derive(Clone, Copy, Debug, Default)]
pub struct DecisionParameters {
pub(crate) struct DecisionParameters {
bitmap_idx: u32,
num_conditions: u16,
}
@ -127,14 +127,14 @@ pub struct DecisionParameters {
/// Must match the layout of `LLVMRustMCDCBranchParameters`.
#[repr(C)]
#[derive(Clone, Copy, Debug, Default)]
pub struct BranchParameters {
pub(crate) struct BranchParameters {
condition_id: LLVMConditionId,
condition_ids: [LLVMConditionId; 2],
}
#[repr(C)]
#[derive(Clone, Copy, Debug)]
pub enum ParameterTag {
enum ParameterTag {
None = 0,
Decision = 1,
Branch = 2,
@ -142,24 +142,24 @@ pub enum ParameterTag {
/// Same layout with `LLVMRustMCDCParameters`
#[repr(C)]
#[derive(Clone, Copy, Debug)]
pub struct Parameters {
pub(crate) struct Parameters {
tag: ParameterTag,
decision_params: DecisionParameters,
branch_params: BranchParameters,
}
impl Parameters {
pub fn none() -> Self {
pub(crate) fn none() -> Self {
Self {
tag: ParameterTag::None,
decision_params: Default::default(),
branch_params: Default::default(),
}
}
pub fn decision(decision_params: DecisionParameters) -> Self {
pub(crate) fn decision(decision_params: DecisionParameters) -> Self {
Self { tag: ParameterTag::Decision, decision_params, branch_params: Default::default() }
}
pub fn branch(branch_params: BranchParameters) -> Self {
pub(crate) fn branch(branch_params: BranchParameters) -> Self {
Self { tag: ParameterTag::Branch, decision_params: Default::default(), branch_params }
}
}

8
compiler/rustc_codegen_llvm/src/coverageinfo/map_data.rs
View File

@ -14,7 +14,7 @@
/// Holds all of the coverage mapping data associated with a function instance,
/// collected during traversal of `Coverage` statements in the function's MIR.
#[derive(Debug)]
pub struct FunctionCoverageCollector<'tcx> {
pub(crate) struct FunctionCoverageCollector<'tcx> {
/// Coverage info that was attached to this function by the instrumentor.
function_coverage_info: &'tcx FunctionCoverageInfo,
is_used: bool,
@ -32,7 +32,7 @@ pub struct FunctionCoverageCollector<'tcx> {
impl<'tcx> FunctionCoverageCollector<'tcx> {
/// Creates a new set of coverage data for a used (called) function.
pub fn new(
pub(crate) fn new(
instance: Instance<'tcx>,
function_coverage_info: &'tcx FunctionCoverageInfo,
) -> Self {
@ -40,7 +40,7 @@ pub fn new(
}
/// Creates a new set of coverage data for an unused (never called) function.
pub fn unused(
pub(crate) fn unused(
instance: Instance<'tcx>,
function_coverage_info: &'tcx FunctionCoverageInfo,
) -> Self {
@ -195,7 +195,7 @@ pub(crate) fn is_used(&self) -> bool {
/// Return the source hash, generated from the HIR node structure, and used to indicate whether
/// or not the source code structure changed between different compilations.
pub fn source_hash(&self) -> u64 {
pub(crate) fn source_hash(&self) -> u64 {
if self.is_used { self.function_coverage_info.function_source_hash } else { 0 }
}

2
compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs
View File

@ -27,7 +27,7 @@
/// implementing this Rust version, and though the format documentation is very explicit and
/// detailed, some undocumented details in Clang's implementation (that may or may not be important)
/// were also replicated for Rust's Coverage Map.
pub fn finalize(cx: &CodegenCx<'_, '_>) {
pub(crate) fn finalize(cx: &CodegenCx<'_, '_>) {
let tcx = cx.tcx;
// Ensure that LLVM is using a version of the coverage mapping format that

8
compiler/rustc_codegen_llvm/src/coverageinfo/mod.rs
View File

@ -22,10 +22,10 @@
pub(crate) mod ffi;
pub(crate) mod map_data;
pub mod mapgen;
mod mapgen;
/// A context object for maintaining all state needed by the coverageinfo module.
pub struct CrateCoverageContext<'ll, 'tcx> {
pub(crate) struct CrateCoverageContext<'ll, 'tcx> {
/// Coverage data for each instrumented function identified by DefId.
pub(crate) function_coverage_map:
RefCell<FxIndexMap<Instance<'tcx>, FunctionCoverageCollector<'tcx>>>,
@ -34,7 +34,7 @@ pub struct CrateCoverageContext<'ll, 'tcx> {
}
impl<'ll, 'tcx> CrateCoverageContext<'ll, 'tcx> {
pub fn new() -> Self {
pub(crate) fn new() -> Self {
Self {
function_coverage_map: Default::default(),
pgo_func_name_var_map: Default::default(),
@ -42,7 +42,7 @@ pub fn new() -> Self {
}
}
pub fn take_function_coverage_map(
fn take_function_coverage_map(
&self,
) -> FxIndexMap<Instance<'tcx>, FunctionCoverageCollector<'tcx>> {
self.function_coverage_map.replace(FxIndexMap::default())

2
compiler/rustc_codegen_llvm/src/debuginfo/create_scope_map.rs
View File

@ -15,7 +15,7 @@
/// Produces DIScope DIEs for each MIR Scope which has variables defined in it.
// FIXME(eddyb) almost all of this should be in `rustc_codegen_ssa::mir::debuginfo`.
pub fn compute_mir_scopes<'ll, 'tcx>(
pub(crate) fn compute_mir_scopes<'ll, 'tcx>(
cx: &CodegenCx<'ll, 'tcx>,
instance: Instance<'tcx>,
mir: &Body<'tcx>,

8
compiler/rustc_codegen_llvm/src/debuginfo/gdb.rs
View File

@ -16,7 +16,7 @@
/// Inserts a side-effect free instruction sequence that makes sure that the
/// .debug_gdb_scripts global is referenced, so it isn't removed by the linker.
pub fn insert_reference_to_gdb_debug_scripts_section_global(bx: &mut Builder<'_, '_, '_>) {
pub(crate) fn insert_reference_to_gdb_debug_scripts_section_global(bx: &mut Builder<'_, '_, '_>) {
if needs_gdb_debug_scripts_section(bx) {
let gdb_debug_scripts_section = get_or_insert_gdb_debug_scripts_section_global(bx);
// Load just the first byte as that's all that's necessary to force
@ -30,7 +30,9 @@ pub fn insert_reference_to_gdb_debug_scripts_section_global(bx: &mut Builder<'_,
/// Allocates the global variable responsible for the .debug_gdb_scripts binary
/// section.
pub fn get_or_insert_gdb_debug_scripts_section_global<'ll>(cx: &CodegenCx<'ll, '_>) -> &'ll Value {
pub(crate) fn get_or_insert_gdb_debug_scripts_section_global<'ll>(
cx: &CodegenCx<'ll, '_>,
) -> &'ll Value {
let c_section_var_name = c"__rustc_debug_gdb_scripts_section__";
let section_var_name = c_section_var_name.to_str().unwrap();
@ -83,7 +85,7 @@ pub fn get_or_insert_gdb_debug_scripts_section_global<'ll>(cx: &CodegenCx<'ll, '
})
}
pub fn needs_gdb_debug_scripts_section(cx: &CodegenCx<'_, '_>) -> bool {
pub(crate) fn needs_gdb_debug_scripts_section(cx: &CodegenCx<'_, '_>) -> bool {
let omit_gdb_pretty_printer_section =
attr::contains_name(cx.tcx.hir().krate_attrs(), sym::omit_gdb_pretty_printer_section);

22
compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs
View File

@ -85,7 +85,7 @@ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
// SmallVec is used quite a bit in this module, so create a shorthand.
// The actual number of elements is not so important.
pub type SmallVec<T> = smallvec::SmallVec<[T; 16]>;
type SmallVec<T> = smallvec::SmallVec<[T; 16]>;
mod enums;
mod type_map;
@ -425,7 +425,7 @@ fn build_slice_type_di_node<'ll, 'tcx>(
///
/// This function will look up the debuginfo node in the TypeMap. If it can't find it, it
/// will create the node by dispatching to the corresponding `build_*_di_node()` function.
pub fn type_di_node<'ll, 'tcx>(cx: &CodegenCx<'ll, 'tcx>, t: Ty<'tcx>) -> &'ll DIType {
pub(crate) fn type_di_node<'ll, 'tcx>(cx: &CodegenCx<'ll, 'tcx>, t: Ty<'tcx>) -> &'ll DIType {
let unique_type_id = UniqueTypeId::for_ty(cx.tcx, t);
if let Some(existing_di_node) = debug_context(cx).type_map.di_node_for_unique_id(unique_type_id)
@ -531,7 +531,7 @@ fn hex_encode(data: &[u8]) -> String {
hex_string
}
pub fn file_metadata<'ll>(cx: &CodegenCx<'ll, '_>, source_file: &SourceFile) -> &'ll DIFile {
pub(crate) fn file_metadata<'ll>(cx: &CodegenCx<'ll, '_>, source_file: &SourceFile) -> &'ll DIFile {
let cache_key = Some((source_file.stable_id, source_file.src_hash));
return debug_context(cx)
.created_files
@ -644,7 +644,7 @@ fn alloc_new_file_metadata<'ll>(
}
}
pub fn unknown_file_metadata<'ll>(cx: &CodegenCx<'ll, '_>) -> &'ll DIFile {
fn unknown_file_metadata<'ll>(cx: &CodegenCx<'ll, '_>) -> &'ll DIFile {
debug_context(cx).created_files.borrow_mut().entry(None).or_insert_with(|| unsafe {
let file_name = "<unknown>";
let directory = "";
@ -859,7 +859,7 @@ fn build_param_type_di_node<'ll, 'tcx>(
}
}
pub fn build_compile_unit_di_node<'ll, 'tcx>(
pub(crate) fn build_compile_unit_di_node<'ll, 'tcx>(
tcx: TyCtxt<'tcx>,
codegen_unit_name: &str,
debug_context: &CodegenUnitDebugContext<'ll, 'tcx>,
@ -1319,7 +1319,11 @@ fn get_parameter_names(cx: &CodegenCx<'_, '_>, generics: &ty::Generics) -> Vec<S
/// Creates debug information for the given global variable.
///
/// Adds the created debuginfo nodes directly to the crate's IR.
pub fn build_global_var_di_node<'ll>(cx: &CodegenCx<'ll, '_>, def_id: DefId, global: &'ll Value) {
pub(crate) fn build_global_var_di_node<'ll>(
cx: &CodegenCx<'ll, '_>,
def_id: DefId,
global: &'ll Value,
) {
if cx.dbg_cx.is_none() {
return;
}
@ -1559,7 +1563,7 @@ enum VCallVisibility {
/// given type.
///
/// Adds the created metadata nodes directly to the crate's IR.
pub fn create_vtable_di_node<'ll, 'tcx>(
pub(crate) fn create_vtable_di_node<'ll, 'tcx>(
cx: &CodegenCx<'ll, 'tcx>,
ty: Ty<'tcx>,
poly_trait_ref: Option<ty::PolyExistentialTraitRef<'tcx>>,
@ -1604,7 +1608,7 @@ pub fn create_vtable_di_node<'ll, 'tcx>(
}
/// Creates an "extension" of an existing `DIScope` into another file.
pub fn extend_scope_to_file<'ll>(
pub(crate) fn extend_scope_to_file<'ll>(
cx: &CodegenCx<'ll, '_>,
scope_metadata: &'ll DIScope,
file: &SourceFile,
@ -1613,7 +1617,7 @@ pub fn extend_scope_to_file<'ll>(
unsafe { llvm::LLVMRustDIBuilderCreateLexicalBlockFile(DIB(cx), scope_metadata, file_metadata) }
}
pub fn tuple_field_name(field_index: usize) -> Cow<'static, str> {
fn tuple_field_name(field_index: usize) -> Cow<'static, str> {
const TUPLE_FIELD_NAMES: [&'static str; 16] = [
"__0", "__1", "__2", "__3", "__4", "__5", "__6", "__7", "__8", "__9", "__10", "__11",
"__12", "__13", "__14", "__15",

2
compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/mod.rs
View File

@ -301,7 +301,7 @@ fn build_enum_variant_struct_type_di_node<'ll, 'tcx>(
/// ---> DW_TAG_structure_type (type of variant 3)
///
/// ```
pub fn build_coroutine_variant_struct_type_di_node<'ll, 'tcx>(
fn build_coroutine_variant_struct_type_di_node<'ll, 'tcx>(
cx: &CodegenCx<'ll, 'tcx>,
variant_index: VariantIdx,
coroutine_type_and_layout: TyAndLayout<'tcx>,

24
compiler/rustc_codegen_llvm/src/debuginfo/metadata/type_map.rs
View File

@ -22,7 +22,7 @@ mod private {
// `UniqueTypeId` from being constructed directly, without asserting
// the preconditions.
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, HashStable)]
pub struct HiddenZst;
pub(crate) struct HiddenZst;
}
/// A unique identifier for anything that we create a debuginfo node for.
@ -48,17 +48,17 @@ pub(super) enum UniqueTypeId<'tcx> {
}
impl<'tcx> UniqueTypeId<'tcx> {
pub fn for_ty(tcx: TyCtxt<'tcx>, t: Ty<'tcx>) -> Self {
pub(crate) fn for_ty(tcx: TyCtxt<'tcx>, t: Ty<'tcx>) -> Self {
assert_eq!(t, tcx.normalize_erasing_regions(ParamEnv::reveal_all(), t));
UniqueTypeId::Ty(t, private::HiddenZst)
}
pub fn for_enum_variant_part(tcx: TyCtxt<'tcx>, enum_ty: Ty<'tcx>) -> Self {
pub(crate) fn for_enum_variant_part(tcx: TyCtxt<'tcx>, enum_ty: Ty<'tcx>) -> Self {
assert_eq!(enum_ty, tcx.normalize_erasing_regions(ParamEnv::reveal_all(), enum_ty));
UniqueTypeId::VariantPart(enum_ty, private::HiddenZst)
}
pub fn for_enum_variant_struct_type(
pub(crate) fn for_enum_variant_struct_type(
tcx: TyCtxt<'tcx>,
enum_ty: Ty<'tcx>,
variant_idx: VariantIdx,
@ -67,7 +67,7 @@ pub fn for_enum_variant_struct_type(
UniqueTypeId::VariantStructType(enum_ty, variant_idx, private::HiddenZst)
}
pub fn for_enum_variant_struct_type_wrapper(
pub(crate) fn for_enum_variant_struct_type_wrapper(
tcx: TyCtxt<'tcx>,
enum_ty: Ty<'tcx>,
variant_idx: VariantIdx,
@ -76,7 +76,7 @@ pub fn for_enum_variant_struct_type_wrapper(
UniqueTypeId::VariantStructTypeCppLikeWrapper(enum_ty, variant_idx, private::HiddenZst)
}
pub fn for_vtable_ty(
pub(crate) fn for_vtable_ty(
tcx: TyCtxt<'tcx>,
self_type: Ty<'tcx>,
implemented_trait: Option<PolyExistentialTraitRef<'tcx>>,
@ -93,7 +93,7 @@ pub fn for_vtable_ty(
/// argument of the various `LLVMRustDIBuilderCreate*Type()` methods.
///
/// Right now this takes the form of a hex-encoded opaque hash value.
pub fn generate_unique_id_string(self, tcx: TyCtxt<'tcx>) -> String {
fn generate_unique_id_string(self, tcx: TyCtxt<'tcx>) -> String {
let mut hasher = StableHasher::new();
tcx.with_stable_hashing_context(|mut hcx| {
hcx.while_hashing_spans(false, |hcx| self.hash_stable(hcx, &mut hasher))
@ -101,7 +101,7 @@ pub fn generate_unique_id_string(self, tcx: TyCtxt<'tcx>) -> String {
hasher.finish::<Fingerprint>().to_hex()
}
pub fn expect_ty(self) -> Ty<'tcx> {
pub(crate) fn expect_ty(self) -> Ty<'tcx> {
match self {
UniqueTypeId::Ty(ty, _) => ty,
_ => bug!("Expected `UniqueTypeId::Ty` but found `{:?}`", self),
@ -133,25 +133,25 @@ pub(super) fn di_node_for_unique_id(
}
}
pub struct DINodeCreationResult<'ll> {
pub(crate) struct DINodeCreationResult<'ll> {
pub di_node: &'ll DIType,
pub already_stored_in_typemap: bool,
}
impl<'ll> DINodeCreationResult<'ll> {
pub fn new(di_node: &'ll DIType, already_stored_in_typemap: bool) -> Self {
pub(crate) fn new(di_node: &'ll DIType, already_stored_in_typemap: bool) -> Self {
DINodeCreationResult { di_node, already_stored_in_typemap }
}
}
#[derive(Debug, Copy, Clone, Eq, PartialEq)]
pub enum Stub<'ll> {
pub(crate) enum Stub<'ll> {
Struct,
Union,
VTableTy { vtable_holder: &'ll DIType },
}
pub struct StubInfo<'ll, 'tcx> {
pub(crate) struct StubInfo<'ll, 'tcx> {
metadata: &'ll DIType,
unique_type_id: UniqueTypeId<'tcx>,
}

26
compiler/rustc_codegen_llvm/src/debuginfo/mod.rs
View File

@ -40,13 +40,13 @@
use crate::value::Value;
mod create_scope_map;
pub mod gdb;
pub mod metadata;
mod gdb;
pub(crate) mod metadata;
mod namespace;
mod utils;
pub use self::create_scope_map::compute_mir_scopes;
pub use self::metadata::build_global_var_di_node;
use self::create_scope_map::compute_mir_scopes;
pub(crate) use self::metadata::build_global_var_di_node;
#[allow(non_upper_case_globals)]
const DW_TAG_auto_variable: c_uint = 0x100;
@ -54,7 +54,7 @@
const DW_TAG_arg_variable: c_uint = 0x101;
/// A context object for maintaining all state needed by the debuginfo module.
pub struct CodegenUnitDebugContext<'ll, 'tcx> {
pub(crate) struct CodegenUnitDebugContext<'ll, 'tcx> {
llcontext: &'ll llvm::Context,
llmod: &'ll llvm::Module,
builder: &'ll mut DIBuilder<'ll>,
@ -74,7 +74,7 @@ fn drop(&mut self) {
}
impl<'ll, 'tcx> CodegenUnitDebugContext<'ll, 'tcx> {
pub fn new(llmod: &'ll llvm::Module) -> Self {
pub(crate) fn new(llmod: &'ll llvm::Module) -> Self {
debug!("CodegenUnitDebugContext::new");
let builder = unsafe { llvm::LLVMRustDIBuilderCreate(llmod) };
// DIBuilder inherits context from the module, so we'd better use the same one
@ -90,7 +90,7 @@ pub fn new(llmod: &'ll llvm::Module) -> Self {
}
}
pub fn finalize(&self, sess: &Session) {
pub(crate) fn finalize(&self, sess: &Session) {
unsafe {
llvm::LLVMRustDIBuilderFinalize(self.builder);
@ -134,7 +134,7 @@ pub fn finalize(&self, sess: &Session) {
}
/// Creates any deferred debug metadata nodes
pub fn finalize(cx: &CodegenCx<'_, '_>) {
pub(crate) fn finalize(cx: &CodegenCx<'_, '_>) {
if let Some(dbg_cx) = &cx.dbg_cx {
debug!("finalize");
@ -241,13 +241,13 @@ fn set_var_name(&mut self, value: &'ll Value, name: &str) {
// FIXME(eddyb) rename this to better indicate it's a duplicate of
// `rustc_span::Loc` rather than `DILocation`, perhaps by making
// `lookup_char_pos` return the right information instead.
pub struct DebugLoc {
struct DebugLoc {
/// Information about the original source file.
pub file: Lrc<SourceFile>,
file: Lrc<SourceFile>,
/// The (1-based) line number.
pub line: u32,
line: u32,
/// The (1-based) column number.
pub col: u32,
col: u32,
}
impl CodegenCx<'_, '_> {
@ -255,7 +255,7 @@ impl CodegenCx<'_, '_> {
// FIXME(eddyb) rename this to better indicate it's a duplicate of
// `lookup_char_pos` rather than `dbg_loc`, perhaps by making
// `lookup_char_pos` return the right information instead.
pub fn lookup_debug_loc(&self, pos: BytePos) -> DebugLoc {
fn lookup_debug_loc(&self, pos: BytePos) -> DebugLoc {
let (file, line, col) = match self.sess().source_map().lookup_line(pos) {
Ok(SourceFileAndLine { sf: file, line }) => {
let line_pos = file.lines()[line];

4
compiler/rustc_codegen_llvm/src/debuginfo/namespace.rs
View File

@ -9,7 +9,7 @@
use crate::llvm;
use crate::llvm::debuginfo::DIScope;
pub fn mangled_name_of_instance<'a, 'tcx>(
pub(crate) fn mangled_name_of_instance<'a, 'tcx>(
cx: &CodegenCx<'a, 'tcx>,
instance: Instance<'tcx>,
) -> ty::SymbolName<'tcx> {
@ -17,7 +17,7 @@ pub fn mangled_name_of_instance<'a, 'tcx>(
tcx.symbol_name(instance)
}
pub fn item_namespace<'ll>(cx: &CodegenCx<'ll, '_>, def_id: DefId) -> &'ll DIScope {
pub(crate) fn item_namespace<'ll>(cx: &CodegenCx<'ll, '_>, def_id: DefId) -> &'ll DIScope {
if let Some(&scope) = debug_context(cx).namespace_map.borrow().get(&def_id) {
return scope;
}

10
compiler/rustc_codegen_llvm/src/debuginfo/utils.rs
View File

@ -11,7 +11,7 @@
use crate::llvm;
use crate::llvm::debuginfo::{DIArray, DIBuilder, DIDescriptor, DIScope};
pub fn is_node_local_to_unit(cx: &CodegenCx<'_, '_>, def_id: DefId) -> bool {
pub(crate) fn is_node_local_to_unit(cx: &CodegenCx<'_, '_>, def_id: DefId) -> bool {
// The is_local_to_unit flag indicates whether a function is local to the
// current compilation unit (i.e., if it is *static* in the C-sense). The
// *reachable* set should provide a good approximation of this, as it
@ -24,7 +24,7 @@ pub fn is_node_local_to_unit(cx: &CodegenCx<'_, '_>, def_id: DefId) -> bool {
}
#[allow(non_snake_case)]
pub fn create_DIArray<'ll>(
pub(crate) fn create_DIArray<'ll>(
builder: &DIBuilder<'ll>,
arr: &[Option<&'ll DIDescriptor>],
) -> &'ll DIArray {
@ -32,7 +32,7 @@ pub fn create_DIArray<'ll>(
}
#[inline]
pub fn debug_context<'a, 'll, 'tcx>(
pub(crate) fn debug_context<'a, 'll, 'tcx>(
cx: &'a CodegenCx<'ll, 'tcx>,
) -> &'a CodegenUnitDebugContext<'ll, 'tcx> {
cx.dbg_cx.as_ref().unwrap()
@ -40,11 +40,11 @@ pub fn debug_context<'a, 'll, 'tcx>(
#[inline]
#[allow(non_snake_case)]
pub fn DIB<'a, 'll>(cx: &'a CodegenCx<'ll, '_>) -> &'a DIBuilder<'ll> {
pub(crate) fn DIB<'a, 'll>(cx: &'a CodegenCx<'ll, '_>) -> &'a DIBuilder<'ll> {
cx.dbg_cx.as_ref().unwrap().builder
}
pub fn get_namespace_for_item<'ll>(cx: &CodegenCx<'ll, '_>, def_id: DefId) -> &'ll DIScope {
pub(crate) fn get_namespace_for_item<'ll>(cx: &CodegenCx<'ll, '_>, def_id: DefId) -> &'ll DIScope {
item_namespace(cx, cx.tcx.parent(def_id))
}

16
compiler/rustc_codegen_llvm/src/declare.rs
View File

@ -65,7 +65,7 @@ impl<'ll, 'tcx> CodegenCx<'ll, 'tcx> {
///
/// If there’s a value with the same name already declared, the function will
/// return its Value instead.
pub fn declare_global(&self, name: &str, ty: &'ll Type) -> &'ll Value {
pub(crate) fn declare_global(&self, name: &str, ty: &'ll Type) -> &'ll Value {
debug!("declare_global(name={:?})", name);
unsafe { llvm::LLVMRustGetOrInsertGlobal(self.llmod, name.as_ptr().cast(), name.len(), ty) }
}
@ -77,7 +77,7 @@ pub fn declare_global(&self, name: &str, ty: &'ll Type) -> &'ll Value {
///
/// If there’s a value with the same name already declared, the function will
/// update the declaration and return existing Value instead.
pub fn declare_cfn(
pub(crate) fn declare_cfn(
&self,
name: &str,
unnamed: llvm::UnnamedAddr,
@ -100,7 +100,7 @@ pub fn declare_cfn(
///
/// If there’s a value with the same name already declared, the function will
/// update the declaration and return existing Value instead.
pub fn declare_entry_fn(
pub(crate) fn declare_entry_fn(
&self,
name: &str,
callconv: llvm::CallConv,
@ -119,7 +119,7 @@ pub fn declare_entry_fn(
///
/// If there’s a value with the same name already declared, the function will
/// update the declaration and return existing Value instead.
pub fn declare_fn(
pub(crate) fn declare_fn(
&self,
name: &str,
fn_abi: &FnAbi<'tcx, Ty<'tcx>>,
@ -199,7 +199,7 @@ pub fn declare_fn(
/// return `None` if the name already has a definition associated with it. In that
/// case an error should be reported to the user, because it usually happens due
/// to user’s fault (e.g., misuse of `#[no_mangle]` or `#[export_name]` attributes).
pub fn define_global(&self, name: &str, ty: &'ll Type) -> Option<&'ll Value> {
pub(crate) fn define_global(&self, name: &str, ty: &'ll Type) -> Option<&'ll Value> {
if self.get_defined_value(name).is_some() {
None
} else {
@ -210,19 +210,19 @@ pub fn define_global(&self, name: &str, ty: &'ll Type) -> Option<&'ll Value> {
/// Declare a private global
///
/// Use this function when you intend to define a global without a name.
pub fn define_private_global(&self, ty: &'ll Type) -> &'ll Value {
pub(crate) fn define_private_global(&self, ty: &'ll Type) -> &'ll Value {
unsafe { llvm::LLVMRustInsertPrivateGlobal(self.llmod, ty) }
}
/// Gets declared value by name.
pub fn get_declared_value(&self, name: &str) -> Option<&'ll Value> {
pub(crate) fn get_declared_value(&self, name: &str) -> Option<&'ll Value> {
debug!("get_declared_value(name={:?})", name);
unsafe { llvm::LLVMRustGetNamedValue(self.llmod, name.as_ptr().cast(), name.len()) }
}
/// Gets defined or externally defined (AvailableExternally linkage) value by
/// name.
pub fn get_defined_value(&self, name: &str) -> Option<&'ll Value> {
pub(crate) fn get_defined_value(&self, name: &str) -> Option<&'ll Value> {
self.get_declared_value(name).and_then(|val| {
let declaration = unsafe { llvm::LLVMIsDeclaration(val) != 0 };
if !declaration { Some(val) } else { None }

4
compiler/rustc_codegen_llvm/src/errors.rs
View File

@ -214,13 +214,13 @@ pub(crate) struct CopyBitcode {
#[derive(Diagnostic)]
#[diag(codegen_llvm_unknown_debuginfo_compression)]
pub struct UnknownCompression {
pub(crate) struct UnknownCompression {
pub algorithm: &'static str,
}
#[derive(Diagnostic)]
#[diag(codegen_llvm_mismatch_data_layout)]
pub struct MismatchedDataLayout<'a> {
pub(crate) struct MismatchedDataLayout<'a> {
pub rustc_target: &'a str,
pub rustc_layout: &'a str,
pub llvm_target: &'a str,

9
compiler/rustc_codegen_llvm/src/lib.rs
View File

@ -16,6 +16,7 @@
#![feature(iter_intersperse)]
#![feature(let_chains)]
#![feature(rustdoc_internals)]
#![warn(unreachable_pub)]
// tidy-alphabetical-end
use std::any::Any;
@ -45,11 +46,11 @@
use rustc_span::symbol::Symbol;
mod back {
pub mod archive;
pub mod lto;
pub mod owned_target_machine;
pub(crate) mod archive;
pub(crate) mod lto;
pub(crate) mod owned_target_machine;
mod profiling;
pub mod write;
pub(crate) mod write;
}
mod abi;

32
compiler/rustc_codegen_llvm/src/llvm_util.rs
View File

@ -136,14 +136,14 @@ fn llvm_arg_to_arg_name(full_arg: &str) -> &str {
unsafe { llvm::LLVMRustSetLLVMOptions(llvm_args.len() as c_int, llvm_args.as_ptr()) };
}
pub fn time_trace_profiler_finish(file_name: &Path) {
pub(crate) fn time_trace_profiler_finish(file_name: &Path) {
unsafe {
let file_name = path_to_c_string(file_name);
llvm::LLVMRustTimeTraceProfilerFinish(file_name.as_ptr());
}
}
pub enum TargetFeatureFoldStrength<'a> {
enum TargetFeatureFoldStrength<'a> {
// The feature is only tied when enabling the feature, disabling
// this feature shouldn't disable the tied feature.
EnableOnly(&'a str),
@ -160,28 +160,28 @@ fn as_str(&self) -> &'a str {
}
}
pub struct LLVMFeature<'a> {
pub llvm_feature_name: &'a str,
pub dependency: Option<TargetFeatureFoldStrength<'a>>,
pub(crate) struct LLVMFeature<'a> {
llvm_feature_name: &'a str,
dependency: Option<TargetFeatureFoldStrength<'a>>,
}
impl<'a> LLVMFeature<'a> {
pub fn new(llvm_feature_name: &'a str) -> Self {
fn new(llvm_feature_name: &'a str) -> Self {
Self { llvm_feature_name, dependency: None }
}
pub fn with_dependency(
fn with_dependency(
llvm_feature_name: &'a str,
dependency: TargetFeatureFoldStrength<'a>,
) -> Self {
Self { llvm_feature_name, dependency: Some(dependency) }
}
pub fn contains(&self, feat: &str) -> bool {
fn contains(&self, feat: &str) -> bool {
self.iter().any(|dep| dep == feat)
}
pub fn iter(&'a self) -> impl Iterator<Item = &'a str> {
fn iter(&'a self) -> impl Iterator<Item = &'a str> {
let dependencies = self.dependency.iter().map(|feat| feat.as_str());
std::iter::once(self.llvm_feature_name).chain(dependencies)
}
@ -209,7 +209,7 @@ fn into_iter(self) -> Self::IntoIter {
// Though note that Rust can also be build with an external precompiled version of LLVM
// which might lead to failures if the oldest tested / supported LLVM version
// doesn't yet support the relevant intrinsics
pub fn to_llvm_features<'a>(sess: &Session, s: &'a str) -> LLVMFeature<'a> {
pub(crate) fn to_llvm_features<'a>(sess: &Session, s: &'a str) -> LLVMFeature<'a> {
let arch = if sess.target.arch == "x86_64" {
"x86"
} else if sess.target.arch == "arm64ec" {
@ -257,7 +257,7 @@ pub fn to_llvm_features<'a>(sess: &Session, s: &'a str) -> LLVMFeature<'a> {
/// Given a map from target_features to whether they are enabled or disabled,
/// ensure only valid combinations are allowed.
pub fn check_tied_features(
pub(crate) fn check_tied_features(
sess: &Session,
features: &FxHashMap<&str, bool>,
) -> Option<&'static [&'static str]> {
@ -337,19 +337,19 @@ pub fn target_features(sess: &Session, allow_unstable: bool) -> Vec<Symbol> {
.collect()
}
pub fn print_version() {
pub(crate) fn print_version() {
let (major, minor, patch) = get_version();
println!("LLVM version: {major}.{minor}.{patch}");
}
pub fn get_version() -> (u32, u32, u32) {
pub(crate) fn get_version() -> (u32, u32, u32) {
// Can be called without initializing LLVM
unsafe {
(llvm::LLVMRustVersionMajor(), llvm::LLVMRustVersionMinor(), llvm::LLVMRustVersionPatch())
}
}
pub fn print_passes() {
pub(crate) fn print_passes() {
// Can be called without initializing LLVM
unsafe {
llvm::LLVMRustPrintPasses();
@ -479,7 +479,7 @@ fn handle_native(name: &str) -> &str {
}
}
pub fn target_cpu(sess: &Session) -> &str {
pub(crate) fn target_cpu(sess: &Session) -> &str {
match sess.opts.cg.target_cpu {
Some(ref name) => handle_native(name),
None => handle_native(sess.target.cpu.as_ref()),
@ -699,7 +699,7 @@ fn backend_feature_name<'a>(sess: &Session, s: &'a str) -> Option<&'a str> {
Some(feature)
}
pub fn tune_cpu(sess: &Session) -> Option<&str> {
pub(crate) fn tune_cpu(sess: &Session) -> Option<&str> {
let name = sess.opts.unstable_opts.tune_cpu.as_ref()?;
Some(handle_native(name))
}

2
compiler/rustc_codegen_llvm/src/type_.rs
View File

@ -12,7 +12,7 @@
use crate::abi::{FnAbiLlvmExt, LlvmType};
use crate::context::CodegenCx;
pub use crate::llvm::Type;
pub(crate) use crate::llvm::Type;
use crate::llvm::{Bool, False, True};
use crate::type_of::LayoutLlvmExt;
use crate::value::Value;

8
compiler/rustc_codegen_llvm/src/type_of.rs
View File

@ -139,21 +139,21 @@ fn struct_llfields<'a, 'tcx>(
}
impl<'a, 'tcx> CodegenCx<'a, 'tcx> {
pub fn align_of(&self, ty: Ty<'tcx>) -> Align {
pub(crate) fn align_of(&self, ty: Ty<'tcx>) -> Align {
self.layout_of(ty).align.abi
}
pub fn size_of(&self, ty: Ty<'tcx>) -> Size {
pub(crate) fn size_of(&self, ty: Ty<'tcx>) -> Size {
self.layout_of(ty).size
}
pub fn size_and_align_of(&self, ty: Ty<'tcx>) -> (Size, Align) {
pub(crate) fn size_and_align_of(&self, ty: Ty<'tcx>) -> (Size, Align) {
let layout = self.layout_of(ty);
(layout.size, layout.align.abi)
}
}
pub trait LayoutLlvmExt<'tcx> {
pub(crate) trait LayoutLlvmExt<'tcx> {
fn is_llvm_immediate(&self) -> bool;
fn is_llvm_scalar_pair(&self) -> bool;
fn llvm_type<'a>(&self, cx: &CodegenCx<'a, 'tcx>) -> &'a Type;

2
compiler/rustc_codegen_llvm/src/value.rs
View File

@ -2,7 +2,7 @@
use std::{fmt, ptr};
use crate::llvm;
pub use crate::llvm::Value;
pub(crate) use crate::llvm::Value;
impl PartialEq for Value {
fn eq(&self, other: &Self) -> bool {