StripSymbols.cpp File Reference

#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/Transforms/Utils/Local.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DebugInfo.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/TypeFinder.h"
#include "llvm/IR/ValueSymbolTable.h"
#include "llvm/Pass.h"
#include "llvm/Transforms/IPO.h"

Include dependency graph for StripSymbols.cpp:

Go to the source code of this file.

Functions
	INITIALIZE_PASS (StripSymbols, "strip", "Strip all symbols from a module", false, false) ModulePass *llvm
	INITIALIZE_PASS (StripNonDebugSymbols, "strip-nondebug", "Strip all symbols, except dbg symbols, from a module", false, false) ModulePass *llvm
	INITIALIZE_PASS (StripDebugDeclare, "strip-debug-declare", "Strip all llvm.dbg.declare intrinsics", false, false) ModulePass *llvm
	INITIALIZE_PASS (StripDeadDebugInfo, "strip-dead-debug-info", "Strip debug info for unused symbols", false, false) ModulePass *llvm
static bool	OnlyUsedBy (Value *V, Value *Usr)
	OnlyUsedBy - Return true if V is only used by Usr. More...
static void	RemoveDeadConstant (Constant *C)
static void	StripSymtab (ValueSymbolTable &ST, bool PreserveDbgInfo)
static void	StripTypeNames (Module &M, bool PreserveDbgInfo)
static void	findUsedValues (GlobalVariable *LLVMUsed, SmallPtrSetImpl< const GlobalValue *> &UsedValues)
	Find values that are marked as llvm.used. More...
static bool	StripSymbolNames (Module &M, bool PreserveDbgInfo)
	StripSymbolNames - Strip symbol names. More...

Function Documentation

findUsedValues()

static void findUsedValues ( GlobalVariable *  LLVMUsed, SmallPtrSetImpl< const GlobalValue *> &  UsedValues  )

static

Find values that are marked as llvm.used.

Definition at line 191 of file StripSymbols.cpp.

References llvm::GlobalVariable::getInitializer(), llvm::User::getNumOperands(), llvm::User::getOperand(), llvm::SmallPtrSetImpl< PtrType >::insert(), and llvm::Value::stripPointerCasts().

Referenced by StripSymbolNames().

INITIALIZE_PASS() [1/4]

INITIALIZE_PASS	(	StripSymbols	,
		"strip"	,
		"Strip all symbols from a module"	,
		false	,
		false
	)

Definition at line 100 of file StripSymbols.cpp.

INITIALIZE_PASS() [2/4]

INITIALIZE_PASS	(	StripNonDebugSymbols	,
		"strip-nondebug"	,
		"Strip all	symbols,
		except dbg	symbols,
		from a module"	,
		false	,
		false
	)

Definition at line 108 of file StripSymbols.cpp.

INITIALIZE_PASS() [3/4]

INITIALIZE_PASS	(	StripDebugDeclare	,
		"strip-debug-declare"	,
		"Strip all llvm.dbg.declare intrinsics"	,
		false	,
		false
	)

Definition at line 117 of file StripSymbols.cpp.

INITIALIZE_PASS() [4/4]

INITIALIZE_PASS	(	StripDeadDebugInfo	,
		"strip-dead-debug-info"	,
		"Strip debug info for unused symbols"	,
		false	,
		false
	)

Definition at line 125 of file StripSymbols.cpp.

OnlyUsedBy()

static bool OnlyUsedBy ( Value *  V, Value *  Usr  )

static

OnlyUsedBy - Return true if V is only used by Usr.

Definition at line 133 of file StripSymbols.cpp.

References llvm::Value::users().

Referenced by RemoveDeadConstant().

RemoveDeadConstant()

static void RemoveDeadConstant ( Constant *  C )

static

Definition at line 141 of file StripSymbols.cpp.

References assert(), llvm::Constant::destroyConstant(), llvm::Value::getType(), llvm::SmallPtrSetImpl< PtrType >::insert(), llvm::RISCVFenceField::O, OnlyUsedBy(), llvm::User::operands(), and llvm::Value::use_empty().

Referenced by StripSymbolNames().

StripSymbolNames()

static bool StripSymbolNames ( Module &  M, bool  PreserveDbgInfo  )

static

StripSymbolNames - Strip symbol names.

Definition at line 205 of file StripSymbols.cpp.

References llvm::NamedMDNode::addOperand(), assert(), C, llvm::SmallVectorImpl< T >::clear(), llvm::NamedMDNode::clearOperands(), llvm::DebugInfoFinder::compile_units(), llvm::SmallPtrSetImpl< PtrType >::count(), E, llvm::SmallVectorBase::empty(), llvm::Instruction::eraseFromParent(), llvm::Function::eraseFromParent(), F(), findUsedValues(), llvm::MDTuple::get(), llvm::CallBase::getArgOperand(), llvm::Module::getContext(), llvm::Module::getFunction(), llvm::Module::getGlobalVariable(), llvm::Module::getOrInsertNamedMetadata(), llvm::Module::global_begin(), llvm::Module::global_end(), llvm::Module::globals(), I, llvm::detail::DenseSetImpl< ValueT, DenseMap< ValueT, detail::DenseSetEmpty, ValueInfoT, detail::DenseSetPair< ValueT > >, ValueInfoT >::insert(), llvm::SmallVectorImpl< T >::insert(), llvm::DebugInfoFinder::processModule(), llvm::SmallVectorTemplateBase< T >::push_back(), llvm::iplist_impl< IntrusiveListT, TraitsT >::push_back(), llvm::RecursivelyDeleteTriviallyDeadInstructions(), RemoveDeadConstant(), llvm::StripDebugInfo(), StripSymtab(), StripTypeNames(), llvm::DebugInfoFinder::subprograms(), llvm::Value::use_empty(), and llvm::Value::user_back().

StripSymtab()

static void StripSymtab ( ValueSymbolTable &  ST, bool  PreserveDbgInfo  )

static

Definition at line 162 of file StripSymbols.cpp.

References llvm::ValueSymbolTable::begin(), llvm::ValueSymbolTable::end(), llvm::Value::getName(), llvm::Value::setName(), llvm::StringRef::startswith(), and VI.

Referenced by StripSymbolNames().

StripTypeNames()

static void StripTypeNames ( Module &  M, bool  PreserveDbgInfo  )

static

Definition at line 175 of file StripSymbols.cpp.

References llvm::StringRef::empty(), llvm::StructType::getName(), llvm::StructType::isLiteral(), llvm::TypeFinder::run(), llvm::StructType::setName(), llvm::TypeFinder::size(), and llvm::StringRef::startswith().

Referenced by StripSymbolNames().