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/InstIterator.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/Metadata.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/PassManager.h"
#include "llvm/IR/TypeFinder.h"
#include "llvm/IR/ValueSymbolTable.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Transforms/Utils/Local.h"

Go to the source code of this file.

Functions
static bool	OnlyUsedBy (Value *V, Value *Usr)
	OnlyUsedBy - Return true if V is only used by Usr.
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.
static bool	StripSymbolNames (Module &M, bool PreserveDbgInfo)
	StripSymbolNames - Strip symbol names.
static bool	stripDebugDeclareImpl (Module &M)
static bool	stripDeadDebugInfoImpl (Module &M)

Variables
static cl::opt< bool >	StripGlobalConstants ("strip-global-constants", cl::init(false), cl::Hidden, cl::desc("Removes debug compile units which reference " "to non-existing global constants"))

Function Documentation

findUsedValues()

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

static

Find values that are marked as llvm.used.

Definition at line 106 of file StripSymbols.cpp.

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

Referenced by StripSymbolNames().

OnlyUsedBy()

bool OnlyUsedBy ( Value * V, Value * Usr )

static

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

Definition at line 47 of file StripSymbols.cpp.

References llvm::Value::users().

Referenced by RemoveDeadConstant().

RemoveDeadConstant()

void RemoveDeadConstant ( Constant * C )

static

Definition at line 55 of file StripSymbols.cpp.

References assert(), llvm::CallingConv::C, llvm::cast(), llvm::dyn_cast(), llvm::isa(), OnlyUsedBy(), Operands, and RemoveDeadConstant().

Referenced by RemoveDeadConstant(), and stripDebugDeclareImpl().

stripDeadDebugInfoImpl()

bool stripDeadDebugInfoImpl ( Module & M )

static

Definition at line 184 of file StripSymbols.cpp.

References llvm::NamedMDNode::addOperand(), llvm::CallingConv::C, llvm::cast_or_null(), Changed, llvm::SmallVectorImpl< T >::clear(), llvm::NamedMDNode::clearOperands(), llvm::DebugInfoFinder::compile_units(), llvm::SmallVectorTemplateCommon< T, typename >::empty(), F, llvm::MDTuple::get(), I, llvm::detail::DenseSetImpl< ValueT, MapTy, ValueInfoT >::insert(), instructions, llvm::DebugInfoFinder::processInstruction(), llvm::DebugInfoFinder::processSubprogram(), llvm::SmallVectorTemplateBase< T, bool >::push_back(), and StripGlobalConstants.

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

stripDebugDeclareImpl()

bool stripDebugDeclareImpl ( Module & M )

static

Definition at line 146 of file StripSymbols.cpp.

References assert(), llvm::CallingConv::C, llvm::cast(), llvm::dyn_cast(), llvm::Function::eraseFromParent(), llvm::Instruction::eraseFromParent(), llvm::CallBase::getArgOperand(), llvm::Intrinsic::getDeclarationIfExists(), llvm::RecursivelyDeleteTriviallyDeadInstructions(), RemoveDeadConstant(), llvm::Value::use_empty(), and llvm::Value::user_back().

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

StripSymbolNames()

bool StripSymbolNames ( Module & M, bool PreserveDbgInfo )

static

StripSymbolNames - Strip symbol names.

Definition at line 120 of file StripSymbols.cpp.

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

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

StripSymtab()

void StripSymtab ( ValueSymbolTable & ST, bool PreserveDbgInfo )

static

Definition at line 78 of file StripSymbols.cpp.

References llvm::cast(), and llvm::isa().

Referenced by StripSymbolNames().

StripTypeNames()

void StripTypeNames ( Module & M, bool PreserveDbgInfo )

static

Definition at line 91 of file StripSymbols.cpp.

References llvm::TypeFinder::run().

Referenced by StripSymbolNames().

Variable Documentation

StripGlobalConstants

cl::opt< bool > StripGlobalConstants("strip-global-constants", cl::init(false), cl::Hidden, cl::desc("Removes debug compile units which reference " "to non-existing global constants")) ( "strip-global-constants" , cl::init(false) , cl::Hidden , cl::desc("Removes debug compile units which reference " "to non-existing global constants")  )

static

Referenced by stripDeadDebugInfoImpl().