StripSymbols.cpp File Reference

#include "llvm/Transforms/IPO/StripSymbols.h"
#include "llvm/ADT/SmallPtrSet.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/PassManager.h"
#include "llvm/IR/TypeFinder.h"
#include "llvm/IR/ValueSymbolTable.h"
#include "llvm/InitializePasses.h"
#include "llvm/Pass.h"
#include "llvm/Transforms/IPO.h"
#include "llvm/Transforms/Utils/Local.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...
static bool	stripDebugDeclareImpl (Module &M)
static bool	stripDeadDebugInfoImpl (Module &M)

Function Documentation

findUsedValues()

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

static

Find values that are marked as llvm.used.

Definition at line 196 of file StripSymbols.cpp.

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

Referenced by StripSymbolNames().

INITIALIZE_PASS() [1/4]

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

Definition at line 128 of file StripSymbols.cpp.

INITIALIZE_PASS() [2/4]

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

Definition at line 120 of file StripSymbols.cpp.

INITIALIZE_PASS() [3/4]

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

Definition at line 111 of file StripSymbols.cpp.

INITIALIZE_PASS() [4/4]

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

Definition at line 103 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 136 of file StripSymbols.cpp.

References llvm::Value::users().

Referenced by RemoveDeadConstant().

RemoveDeadConstant()

static void RemoveDeadConstant ( Constant *  C )

static

Definition at line 144 of file StripSymbols.cpp.

References assert(), llvm::RISCVFenceField::O, OnlyUsedBy(), and Operands.

Referenced by stripDebugDeclareImpl().

stripDeadDebugInfoImpl()

static bool stripDeadDebugInfoImpl ( Module &  M )

static

Definition at line 298 of file StripSymbols.cpp.

References llvm::NamedMDNode::addOperand(), llvm::SmallVectorImpl< T >::clear(), llvm::NamedMDNode::clearOperands(), F, llvm::MDTuple::get(), llvm::detail::DenseSetImpl< ValueT, DenseMap< ValueT, detail::DenseSetEmpty, DenseMapInfo< ValueT >, detail::DenseSetPair< ValueT > >, DenseMapInfo< ValueT > >::insert(), llvm::SmallVectorImpl< T >::insert(), and M.

Referenced by llvm::StripDeadDebugInfoPass::run().

stripDebugDeclareImpl()

static bool stripDebugDeclareImpl ( Module &  M )

static

Definition at line 254 of file StripSymbols.cpp.

References assert(), llvm::Instruction::eraseFromParent(), llvm::Function::eraseFromParent(), llvm::CallBase::getArgOperand(), M, llvm::RecursivelyDeleteTriviallyDeadInstructions(), RemoveDeadConstant(), llvm::Value::use_empty(), and llvm::Value::user_back().

Referenced by llvm::StripDebugDeclarePass::run().

StripSymbolNames()

static bool StripSymbolNames ( Module &  M, bool  PreserveDbgInfo  )

static

StripSymbolNames - Strip symbol names.

Definition at line 210 of file StripSymbols.cpp.

References llvm::SmallPtrSetImpl< PtrType >::contains(), findUsedValues(), I, M, StripSymtab(), and StripTypeNames().

Referenced by llvm::StripSymbolsPass::run(), and llvm::StripNonDebugSymbolsPass::run().

StripSymtab()

static void StripSymtab ( ValueSymbolTable &  ST, bool  PreserveDbgInfo  )

static

Definition at line 167 of file StripSymbols.cpp.

References llvm::Value::getName(), llvm::Value::setName(), llvm::ARM_MB::ST, llvm::StringRef::startswith(), and VI.

Referenced by StripSymbolNames().

StripTypeNames()

static void StripTypeNames ( Module &  M, bool  PreserveDbgInfo  )

static

Definition at line 180 of file StripSymbols.cpp.

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

Referenced by StripSymbolNames().