#include "llvm/LTO/LTOBackend.h"#include "llvm/Analysis/AliasAnalysis.h"#include "llvm/Analysis/CGSCCPassManager.h"#include "llvm/Analysis/ModuleSummaryAnalysis.h"#include "llvm/Analysis/TargetLibraryInfo.h"#include "llvm/Bitcode/BitcodeReader.h"#include "llvm/Bitcode/BitcodeWriter.h"#include "llvm/IR/LLVMRemarkStreamer.h"#include "llvm/IR/LegacyPassManager.h"#include "llvm/IR/PassManager.h"#include "llvm/IR/Verifier.h"#include "llvm/LTO/LTO.h"#include "llvm/MC/SubtargetFeature.h"#include "llvm/MC/TargetRegistry.h"#include "llvm/Object/ModuleSymbolTable.h"#include "llvm/Passes/PassBuilder.h"#include "llvm/Passes/PassPlugin.h"#include "llvm/Passes/StandardInstrumentations.h"#include "llvm/Support/Error.h"#include "llvm/Support/FileSystem.h"#include "llvm/Support/MemoryBuffer.h"#include "llvm/Support/Path.h"#include "llvm/Support/Program.h"#include "llvm/Support/ThreadPool.h"#include "llvm/Support/ToolOutputFile.h"#include "llvm/Support/raw_ostream.h"#include "llvm/Target/TargetMachine.h"#include "llvm/Transforms/Scalar/LoopPassManager.h"#include "llvm/Transforms/Utils/FunctionImportUtils.h"#include "llvm/Transforms/Utils/SplitModule.h"#include "llvm/Support/Extension.def"
Go to the source code of this file.
Namespaces | |
| llvm | |
| This is an optimization pass for GlobalISel generic memory operations. | |
Macros | |
| #define | DEBUG_TYPE "lto-backend" |
| #define | HANDLE_EXTENSION(Ext) llvm::PassPluginLibraryInfo get##Ext##PluginInfo(); |
| #define | HANDLE_EXTENSION(Ext) get##Ext##PluginInfo().RegisterPassBuilderCallbacks(PB); |
Enumerations | |
| enum | LTOBitcodeEmbedding { LTOBitcodeEmbedding::DoNotEmbed = 0, LTOBitcodeEmbedding::EmbedOptimized = 1, LTOBitcodeEmbedding::EmbedPostMergePreOptimized = 2 } |
Functions | |
| static void | reportOpenError (StringRef Path, Twine Msg) |
| static void | RegisterPassPlugins (ArrayRef< std::string > PassPlugins, PassBuilder &PB) |
| static std::unique_ptr< TargetMachine > | createTargetMachine (const Config &Conf, const Target *TheTarget, Module &M) |
| static void | runNewPMPasses (const Config &Conf, Module &Mod, TargetMachine *TM, unsigned OptLevel, bool IsThinLTO, ModuleSummaryIndex *ExportSummary, const ModuleSummaryIndex *ImportSummary) |
| static void | codegen (const Config &Conf, TargetMachine *TM, AddStreamFn AddStream, unsigned Task, Module &Mod, const ModuleSummaryIndex &CombinedIndex) |
| static void | splitCodeGen (const Config &C, TargetMachine *TM, AddStreamFn AddStream, unsigned ParallelCodeGenParallelismLevel, Module &Mod, const ModuleSummaryIndex &CombinedIndex) |
| static Expected< const Target * > | initAndLookupTarget (const Config &C, Module &Mod) |
| static void | dropDeadSymbols (Module &Mod, const GVSummaryMapTy &DefinedGlobals, const ModuleSummaryIndex &Index) |
Variables | |
| static cl::opt< LTOBitcodeEmbedding > | EmbedBitcode ("lto-embed-bitcode", cl::init(LTOBitcodeEmbedding::DoNotEmbed), cl::values(clEnumValN(LTOBitcodeEmbedding::DoNotEmbed, "none", "Do not embed"), clEnumValN(LTOBitcodeEmbedding::EmbedOptimized, "optimized", "Embed after all optimization passes"), clEnumValN(LTOBitcodeEmbedding::EmbedPostMergePreOptimized, "post-merge-pre-opt", "Embed post merge, but before optimizations")), cl::desc("Embed LLVM bitcode in object files produced by LTO")) |
| static cl::opt< bool > | ThinLTOAssumeMerged ("thinlto-assume-merged", cl::init(false), cl::desc("Assume the input has already undergone ThinLTO function " "importing and the other pre-optimization pipeline changes.")) |
| cl::opt< bool > | llvm::NoPGOWarnMismatch |
Macro Definition Documentation
◆ DEBUG_TYPE
| #define DEBUG_TYPE "lto-backend" |
Definition at line 50 of file LTOBackend.cpp.
◆ HANDLE_EXTENSION [1/2]
| #define HANDLE_EXTENSION | ( | Ext | ) | llvm::PassPluginLibraryInfo get##Ext##PluginInfo(); |
Definition at line 158 of file LTOBackend.cpp.
◆ HANDLE_EXTENSION [2/2]
Definition at line 158 of file LTOBackend.cpp.
Enumeration Type Documentation
◆ LTOBitcodeEmbedding
|
strong |
| Enumerator | |
|---|---|
| DoNotEmbed | |
| EmbedOptimized | |
| EmbedPostMergePreOptimized | |
Definition at line 52 of file LTOBackend.cpp.
Function Documentation
◆ codegen()
|
static |
Definition at line 339 of file LTOBackend.cpp.
References llvm::sys::path::append(), llvm::sys::fs::create_directories(), llvm::lto::Config::DwoDir, EmbedBitcode, llvm::embedBitcodeInModule(), EmbedOptimized, Mod, llvm::sys::fs::OF_None, llvm::lto::Config::PreCodeGenModuleHook, llvm::report_fatal_error(), llvm::lto::Config::SplitDwarfFile, llvm::lto::Config::SplitDwarfOutput, TM, and llvm::to_string().
Referenced by llvm::lto::backend(), splitCodeGen(), and llvm::lto::thinBackend().
◆ createTargetMachine()
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static |
Definition at line 182 of file LTOBackend.cpp.
References llvm::SubtargetFeatures::AddFeature(), assert(), llvm::lto::Config::CGOptLevel, llvm::lto::Config::CodeModel, llvm::lto::Config::CPU, llvm::Target::createTargetMachine(), llvm::SubtargetFeatures::getDefaultSubtargetFeatures(), llvm::SubtargetFeatures::getString(), M, llvm::lto::Config::MAttrs, llvm::None, llvm::PICLevel::NotPIC, llvm::lto::Config::Options, llvm::Reloc::PIC_, llvm::lto::Config::RelocModel, llvm::Reloc::Static, and TM.
Referenced by llvm::lto::backend(), splitCodeGen(), and llvm::lto::thinBackend().
◆ dropDeadSymbols()
|
static |
Definition at line 497 of file LTOBackend.cpp.
References llvm::convertToDeclaration(), llvm::Module::global_values(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::lookup(), and Mod.
Referenced by llvm::lto::thinBackend().
◆ initAndLookupTarget()
Definition at line 447 of file LTOBackend.cpp.
References llvm::Module::getTargetTriple(), llvm::inconvertibleErrorCode(), llvm::TargetRegistry::lookupTarget(), Mod, llvm::AMDGPU::SendMsg::Msg, llvm::Module::setTargetTriple(), and T.
Referenced by llvm::lto::backend(), and llvm::lto::thinBackend().
◆ RegisterPassPlugins()
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static |
Definition at line 162 of file LTOBackend.cpp.
References llvm::errs(), llvm::PassPlugin::Load(), PB(), and llvm::PassPlugin::registerPassBuilderCallbacks().
Referenced by runNewPMPasses().
◆ reportOpenError()
Definition at line 78 of file LTOBackend.cpp.
References llvm::errs(), exit(), llvm::raw_ostream::flush(), and llvm::AMDGPU::SendMsg::Msg.
Referenced by llvm::lto::Config::addSaveTemps().
◆ runNewPMPasses()
|
static |
Definition at line 209 of file LTOBackend.cpp.
References llvm::lto::Config::AAPipeline, llvm::lto::Config::AddFSDiscriminator, CGAM, llvm::PGOOptions::CSIRInstr, llvm::lto::Config::CSIRProfile, llvm::PGOOptions::CSIRUse, llvm::lto::Config::DebugPassManager, FAM, llvm::lto::Config::Freestanding, llvm::PGOOptions::IRUse, LAM, MAM, llvm::PGOOptions::NoAction, llvm::PGOOptions::NoCSAction, llvm::NoPGOWarnMismatch, llvm::lto::Config::PassPlugins, PB(), llvm::lto::Config::PGOWarnMismatch, PIC, llvm::lto::Config::ProfileRemapping, llvm::lto::Config::PTO, llvm::StandardInstrumentations::registerCallbacks(), llvm::AnalysisManager< IRUnitT, ExtraArgTs >::registerPass(), RegisterPassPlugins(), llvm::lto::Config::RunCSIRInstr, llvm::lto::Config::SampleProfile, llvm::PGOOptions::SampleUse, SI, and TM.
Referenced by llvm::lto::opt().
◆ splitCodeGen()
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static |
Definition at line 396 of file LTOBackend.cpp.
References llvm::ThreadPool::async(), codegen(), createTargetMachine(), llvm::Expected< T >::get(), llvm::heavyweight_hardware_concurrency(), Mod, move, llvm::parseBitcodeFile(), llvm::report_fatal_error(), llvm::SplitModule(), T, TM, llvm::ThreadPool::wait(), and llvm::WriteBitcodeToFile().
Variable Documentation
◆ EmbedBitcode
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static |
Referenced by codegen(), llvm::embedBitcodeInModule(), and llvm::lto::opt().
◆ ThinLTOAssumeMerged
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static |
Referenced by llvm::lto::findThinLTOModule(), llvm::lto::initImportList(), and llvm::lto::thinBackend().
