InstSimplifyPass.cpp File Reference

#include "llvm/Transforms/Scalar/InstSimplifyPass.h"
#include "llvm/ADT/DepthFirstIterator.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/Analysis/AssumptionCache.h"
#include "llvm/Analysis/InstructionSimplify.h"
#include "llvm/Analysis/OptimizationRemarkEmitter.h"
#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/Dominators.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/Type.h"
#include "llvm/Pass.h"
#include "llvm/Transforms/Utils.h"
#include "llvm/Transforms/Utils/Local.h"

Include dependency graph for InstSimplifyPass.cpp:

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "instsimplify"

Functions
	STATISTIC (NumSimplified, "Number of redundant instructions removed")
static bool	runImpl (Function &F, const SimplifyQuery &SQ, OptimizationRemarkEmitter *ORE)
	INITIALIZE_PASS_BEGIN (InstSimplifyLegacyPass, "instsimplify", "Remove redundant instructions", false, false) INITIALIZE_PASS_END(InstSimplifyLegacyPass

Variables
	instsimplify
Remove redundant	instructions
Remove redundant	false

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "instsimplify"

Definition at line 27 of file InstSimplifyPass.cpp.

Function Documentation

INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN	(	InstSimplifyLegacyPass	,
		"instsimplify"	,
		"Remove redundant instructions"	,
		false	,
		false
	)

Referenced by runImpl().

runImpl()

static bool runImpl ( Function &  F, const SimplifyQuery &  SQ, OptimizationRemarkEmitter *  ORE  )

static

Definition at line 31 of file InstSimplifyPass.cpp.

References llvm::AnalysisUsage::addRequired(), llvm::SmallPtrSetImpl< PtrType >::count(), llvm::depth_first(), llvm::SmallPtrSetImplBase::empty(), F(), llvm::Module::getDataLayout(), llvm::Function::getEntryBlock(), llvm::GlobalValue::getParent(), llvm::PassRegistry::getPassRegistry(), I, INITIALIZE_PASS_BEGIN(), INITIALIZE_PASS_DEPENDENCY, llvm::initializeInstSimplifyLegacyPassPass(), llvm::RecursivelyDeleteTriviallyDeadInstructions(), llvm::Value::replaceAllUsesWith(), runOnFunction(), llvm::AnalysisUsage::setPreservesCFG(), llvm::SimplifyInstruction(), std::swap(), llvm::SimplifyQuery::TLI, llvm::Value::use_empty(), and llvm::Value::users().

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

STATISTIC()

STATISTIC	(	NumSimplified	,
		"Number of redundant instructions removed"
	)

Variable Documentation

false

Remove redundant false

Definition at line 121 of file InstSimplifyPass.cpp.

instructions

Remove redundant instructions

Definition at line 121 of file InstSimplifyPass.cpp.

instsimplify

instsimplify

Definition at line 121 of file InstSimplifyPass.cpp.