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/Module.h"
#include "llvm/IR/PassManager.h"
#include "llvm/IR/TypeFinder.h"
#include "llvm/IR/ValueSymbolTable.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Transforms/IPO.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()

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

static

Find values that are marked as llvm.used.

Definition at line 105 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().

OnlyUsedBy()

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

static

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

Definition at line 46 of file StripSymbols.cpp.

Referenced by RemoveDeadConstant().

RemoveDeadConstant()

static void RemoveDeadConstant ( Constant *  C )

static

Definition at line 54 of file StripSymbols.cpp.

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

Referenced by RemoveDeadConstant(), and stripDebugDeclareImpl().

stripDeadDebugInfoImpl()

static bool stripDeadDebugInfoImpl ( Module &  M )

static

Definition at line 183 of file StripSymbols.cpp.

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

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

stripDebugDeclareImpl()

static bool stripDebugDeclareImpl ( Module &  M )

static

Definition at line 145 of file StripSymbols.cpp.

References assert(), llvm::CallingConv::C, llvm::Function::eraseFromParent(), llvm::Instruction::eraseFromParent(), llvm::CallBase::getArgOperand(), 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 119 of file StripSymbols.cpp.

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

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

StripSymtab()

static void StripSymtab ( ValueSymbolTable &  ST, bool  PreserveDbgInfo  )

static

Definition at line 77 of file StripSymbols.cpp.

Referenced by StripSymbolNames().

StripTypeNames()

static void StripTypeNames ( Module &  M, bool  PreserveDbgInfo  )

static

Definition at line 90 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().