BackendUtil.cpp File Reference

#include "clang/CodeGen/BackendUtil.h"
#include "BackendConsumer.h"
#include "LinkInModulesPass.h"
#include "clang/Basic/CodeGenOptions.h"
#include "clang/Basic/Diagnostic.h"
#include "clang/Basic/LangOptions.h"
#include "clang/Basic/TargetOptions.h"
#include "clang/Frontend/FrontendDiagnostic.h"
#include "clang/Frontend/Utils.h"
#include "clang/Lex/HeaderSearchOptions.h"
#include "llvm/ADT/SmallSet.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Analysis/GlobalsModRef.h"
#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvm/Bitcode/BitcodeReader.h"
#include "llvm/Bitcode/BitcodeWriter.h"
#include "llvm/Bitcode/BitcodeWriterPass.h"
#include "llvm/CodeGen/RegAllocRegistry.h"
#include "llvm/CodeGen/SchedulerRegistry.h"
#include "llvm/CodeGen/TargetSubtargetInfo.h"
#include "llvm/Frontend/Driver/CodeGenOptions.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/DebugInfo.h"
#include "llvm/IR/LegacyPassManager.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/ModuleSummaryIndex.h"
#include "llvm/IR/PassManager.h"
#include "llvm/IR/Verifier.h"
#include "llvm/IRPrinter/IRPrintingPasses.h"
#include "llvm/LTO/LTOBackend.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/TargetRegistry.h"
#include "llvm/Object/OffloadBinary.h"
#include "llvm/Passes/PassBuilder.h"
#include "llvm/Passes/PassPlugin.h"
#include "llvm/Passes/StandardInstrumentations.h"
#include "llvm/ProfileData/InstrProfCorrelator.h"
#include "llvm/Support/BuryPointer.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/PrettyStackTrace.h"
#include "llvm/Support/TimeProfiler.h"
#include "llvm/Support/Timer.h"
#include "llvm/Support/ToolOutputFile.h"
#include "llvm/Support/VirtualFileSystem.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/TargetParser/SubtargetFeature.h"
#include "llvm/TargetParser/Triple.h"
#include "llvm/Transforms/HipStdPar/HipStdPar.h"
#include "llvm/Transforms/IPO/EmbedBitcodePass.h"
#include "llvm/Transforms/IPO/LowerTypeTests.h"
#include "llvm/Transforms/IPO/ThinLTOBitcodeWriter.h"
#include "llvm/Transforms/InstCombine/InstCombine.h"
#include "llvm/Transforms/Instrumentation.h"
#include "llvm/Transforms/Instrumentation/AddressSanitizer.h"
#include "llvm/Transforms/Instrumentation/AddressSanitizerOptions.h"
#include "llvm/Transforms/Instrumentation/BoundsChecking.h"
#include "llvm/Transforms/Instrumentation/DataFlowSanitizer.h"
#include "llvm/Transforms/Instrumentation/GCOVProfiler.h"
#include "llvm/Transforms/Instrumentation/HWAddressSanitizer.h"
#include "llvm/Transforms/Instrumentation/InstrProfiling.h"
#include "llvm/Transforms/Instrumentation/KCFI.h"
#include "llvm/Transforms/Instrumentation/LowerAllowCheckPass.h"
#include "llvm/Transforms/Instrumentation/MemProfiler.h"
#include "llvm/Transforms/Instrumentation/MemorySanitizer.h"
#include "llvm/Transforms/Instrumentation/NumericalStabilitySanitizer.h"
#include "llvm/Transforms/Instrumentation/PGOInstrumentation.h"
#include "llvm/Transforms/Instrumentation/SanitizerBinaryMetadata.h"
#include "llvm/Transforms/Instrumentation/SanitizerCoverage.h"
#include "llvm/Transforms/Instrumentation/ThreadSanitizer.h"
#include "llvm/Transforms/ObjCARC.h"
#include "llvm/Transforms/Scalar/EarlyCSE.h"
#include "llvm/Transforms/Scalar/GVN.h"
#include "llvm/Transforms/Scalar/JumpThreading.h"
#include "llvm/Transforms/Utils/Debugify.h"
#include "llvm/Transforms/Utils/ModuleUtils.h"
#include <memory>
#include <optional>
#include "llvm/Support/Extension.def"

Go to the source code of this file.

Namespaces
namespace	llvm
	Diagnostic wrappers for TextAPI types for error reporting.

Macros
#define	HANDLE_EXTENSION(Ext)    llvm::PassPluginLibraryInfo get##Ext##PluginInfo();
#define	HANDLE_EXTENSION(Ext)    get##Ext##PluginInfo().RegisterPassBuilderCallbacks(PB);

Functions
static cl::opt< bool >	llvm::ClSanitizeOnOptimizerEarlyEP ("sanitizer-early-opt-ep", cl::Optional, cl::desc("Insert sanitizers on OptimizerEarlyEP."))
static cl::opt< PGOOptions::ColdFuncOpt >	llvm::ClPGOColdFuncAttr ("pgo-cold-func-opt", cl::init(PGOOptions::ColdFuncOpt::Default), cl::Hidden, cl::desc("Function attribute to apply to cold functions as determined by PGO"), cl::values(clEnumValN(PGOOptions::ColdFuncOpt::Default, "default", "Default (no attribute)"), clEnumValN(PGOOptions::ColdFuncOpt::OptSize, "optsize", "Mark cold functions with optsize."), clEnumValN(PGOOptions::ColdFuncOpt::MinSize, "minsize", "Mark cold functions with minsize."), clEnumValN(PGOOptions::ColdFuncOpt::OptNone, "optnone", "Mark cold functions with optnone.")))
static SanitizerCoverageOptions	getSancovOptsFromCGOpts (const CodeGenOptions &CGOpts)
static SanitizerBinaryMetadataOptions	getSanitizerBinaryMetadataOptions (const CodeGenOptions &CGOpts)
static bool	asanUseGlobalsGC (const Triple &T, const CodeGenOptions &CGOpts)
static std::optional< llvm::CodeModel::Model >	getCodeModel (const CodeGenOptions &CodeGenOpts)
static CodeGenFileType	getCodeGenFileType (BackendAction Action)
static bool	actionRequiresCodeGen (BackendAction Action)
static bool	initTargetOptions (DiagnosticsEngine &Diags, llvm::TargetOptions &Options, const CodeGenOptions &CodeGenOpts, const clang::TargetOptions &TargetOpts, const LangOptions &LangOpts, const HeaderSearchOptions &HSOpts)
static std::optional< GCOVOptions >	getGCOVOptions (const CodeGenOptions &CodeGenOpts, const LangOptions &LangOpts)
static std::optional< InstrProfOptions >	getInstrProfOptions (const CodeGenOptions &CodeGenOpts, const LangOptions &LangOpts)
static void	setCommandLineOpts (const CodeGenOptions &CodeGenOpts)
static OptimizationLevel	mapToLevel (const CodeGenOptions &Opts)
static void	addKCFIPass (const Triple &TargetTriple, const LangOptions &LangOpts, PassBuilder &PB)
static void	addSanitizers (const Triple &TargetTriple, const CodeGenOptions &CodeGenOpts, const LangOptions &LangOpts, PassBuilder &PB)
static void	runThinLTOBackend (DiagnosticsEngine &Diags, ModuleSummaryIndex *CombinedIndex, llvm::Module *M, const HeaderSearchOptions &HeaderOpts, const CodeGenOptions &CGOpts, const clang::TargetOptions &TOpts, const LangOptions &LOpts, std::unique_ptr< raw_pwrite_stream > OS, std::string SampleProfile, std::string ProfileRemapping, BackendAction Action)

Variables
cl::opt< bool >	llvm::PrintPipelinePasses
cl::opt< InstrProfCorrelator::ProfCorrelatorKind >	llvm::ProfileCorrelate

Macro Definition Documentation

HANDLE_EXTENSION [1/2]

#define HANDLE_EXTENSION

(

Ext

)

llvm::PassPluginLibraryInfo get##Ext##PluginInfo();

Definition at line 95 of file BackendUtil.cpp.

HANDLE_EXTENSION [2/2]

#define HANDLE_EXTENSION

(

Ext

)

get##Ext##PluginInfo().RegisterPassBuilderCallbacks(PB);

Definition at line 95 of file BackendUtil.cpp.

Function Documentation

actionRequiresCodeGen()

static bool actionRequiresCodeGen ( BackendAction  Action )

static

Definition at line 319 of file BackendUtil.cpp.

References clang::Backend_EmitBC, clang::Backend_EmitLL, and clang::Backend_EmitNothing.

addKCFIPass()

static void addKCFIPass ( const Triple &  TargetTriple, const LangOptions &  LangOpts, PassBuilder &  PB  )

static

Definition at line 632 of file BackendUtil.cpp.

References clang::SanitizerSet::has(), and clang::LangOptions::Sanitize.

addSanitizers()

static void addSanitizers ( const Triple &  TargetTriple, const CodeGenOptions &  CodeGenOpts, const LangOptions &  LangOpts, PassBuilder &  PB  )

static

Definition at line 657 of file BackendUtil.cpp.

References asanUseGlobalsGC(), llvm::ClSanitizeOnOptimizerEarlyEP(), getSancovOptsFromCGOpts(), getSanitizerBinaryMetadataOptions(), clang::SanitizerSet::has(), clang::CodeGenOptions::hasSanitizeBinaryMetadata(), clang::CodeGenOptions::hasSanitizeCoverage(), clang::LangOptions::NoSanitizeFiles, clang::LangOptions::Sanitize, clang::CodeGenOptions::SanitizeCoverageAllowlistFiles, clang::CodeGenOptions::SanitizeCoverageIgnorelistFiles, clang::CodeGenOptions::SanitizeMetadataIgnorelistFiles, and clang::CodeGenOptions::SanitizeRecover.

asanUseGlobalsGC()

static bool asanUseGlobalsGC ( const Triple &  T, const CodeGenOptions &  CGOpts  )

static

Definition at line 270 of file BackendUtil.cpp.

References clang::T.

Referenced by addSanitizers().

getCodeGenFileType()

static CodeGenFileType getCodeGenFileType ( BackendAction  Action )

static

Definition at line 308 of file BackendUtil.cpp.

References clang::Backend_EmitAssembly, clang::Backend_EmitMCNull, and clang::Backend_EmitObj.

Referenced by runThinLTOBackend().

getCodeModel()

static std::optional< llvm::CodeModel::Model > getCodeModel ( const CodeGenOptions &  CodeGenOpts )

static

Definition at line 293 of file BackendUtil.cpp.

References clang::CodeGenOptions::CodeModel.

Referenced by runThinLTOBackend().

getGCOVOptions()

static std::optional< GCOVOptions > getGCOVOptions ( const CodeGenOptions &  CodeGenOpts, const LangOptions &  LangOpts  )

static

Definition at line 497 of file BackendUtil.cpp.

References clang::CodeGenOptions::CoverageDataFile, clang::CodeGenOptions::CoverageNotesFile, clang::CodeGenOptions::CoverageVersion, clang::CodeGenOptions::ProfileExcludeFiles, and clang::CodeGenOptions::ProfileFilterFiles.

getInstrProfOptions()

static std::optional< InstrProfOptions > getInstrProfOptions ( const CodeGenOptions &  CodeGenOpts, const LangOptions &  LangOpts  )

static

Definition at line 515 of file BackendUtil.cpp.

References clang::CodeGenOptions::hasProfileClangInstr(), and clang::CodeGenOptions::InstrProfileOutput.

getSancovOptsFromCGOpts()

static SanitizerCoverageOptions getSancovOptsFromCGOpts ( const CodeGenOptions &  CGOpts )

static

Definition at line 234 of file BackendUtil.cpp.

Referenced by addSanitizers().

getSanitizerBinaryMetadataOptions()

static SanitizerBinaryMetadataOptions getSanitizerBinaryMetadataOptions ( const CodeGenOptions &  CGOpts )

static

Definition at line 258 of file BackendUtil.cpp.

Referenced by addSanitizers().

initTargetOptions()

static bool initTargetOptions ( DiagnosticsEngine &  Diags, llvm::TargetOptions &  Options, const CodeGenOptions &  CodeGenOpts, const clang::TargetOptions &  TargetOpts, const LangOptions &  LangOpts, const HeaderSearchOptions &  HSOpts  )

static

Definition at line 324 of file BackendUtil.cpp.

References clang::TargetOptions::ABI, clang::CodeGenOptions::Argv0, clang::CodeGenOptions::AsSecureLogFile, clang::CodeGenOptions::BBSections, clang::CodeGenOptions::BinutilsVersion, clang::CodeGenOptions::CommandLineArgs, clang::TargetOptions::EABIVersion, clang::CodeGenOptions::FloatABI, clang::LangOptions::hasDWARFExceptions(), clang::LangOptions::hasSEHExceptions(), clang::LangOptions::hasSjLjExceptions(), clang::LangOptions::hasWasmExceptions(), clang::CodeGenOptions::ObjectFilenameForDebug, clang::DiagnosticsEngine::Report(), clang::CodeGenOptions::SplitDwarfFile, clang::CodeGenOptions::StackUsageOutput, clang::HeaderSearchOptions::Sysroot, and clang::HeaderSearchOptions::UserEntries.

Referenced by runThinLTOBackend().

mapToLevel()

static OptimizationLevel mapToLevel ( const CodeGenOptions &  Opts )

static

Definition at line 601 of file BackendUtil.cpp.

runThinLTOBackend()

static void runThinLTOBackend ( DiagnosticsEngine &  Diags, ModuleSummaryIndex *  CombinedIndex, llvm::Module *  M, const HeaderSearchOptions &  HeaderOpts, const CodeGenOptions &  CGOpts, const clang::TargetOptions &  TOpts, const LangOptions &  LOpts, std::unique_ptr< raw_pwrite_stream >  OS, std::string  SampleProfile, std::string  ProfileRemapping, BackendAction  Action  )

static

Definition at line 1183 of file BackendUtil.cpp.

References clang::Backend_EmitBC, clang::Backend_EmitLL, clang::Backend_EmitNothing, clang::CodeGenOptions::CmdArgs, clang::TargetOptions::CPU, E, clang::TargetOptions::Features, getCodeGenFileType(), getCodeModel(), clang::CodeGenOptions::hasProfileCSIRInstr(), clang::CodeGenOptions::hasProfileCSIRUse(), initTargetOptions(), clang::CodeGenOptions::InstrProfileOutput, clang::CodeGenOptions::ObjectFilenameForDebug, clang::CodeGenOptions::OptRecordFile, clang::CodeGenOptions::OptRecordFormat, clang::CodeGenOptions::OptRecordPasses, clang::CodeGenOptions::ProfileInstrumentUsePath, clang::CodeGenOptions::RelocationModel, clang::CodeGenOptions::SaveTempsFilePrefix, setCommandLineOpts(), clang::CodeGenOptions::SplitDwarfFile, and clang::CodeGenOptions::SplitDwarfOutput.

Referenced by clang::EmitBackendOutput().

setCommandLineOpts()

static void setCommandLineOpts ( const CodeGenOptions &  CodeGenOpts )

static

Definition at line 526 of file BackendUtil.cpp.

References clang::CodeGenOptions::DebugPass, and clang::CodeGenOptions::LimitFloatPrecision.

Referenced by runThinLTOBackend().