SCCP.cpp File Reference

#include "llvm/Transforms/Scalar/SCCP.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/Analysis/DomTreeUpdater.h"
#include "llvm/Analysis/GlobalsModRef.h"
#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/Analysis/ValueLatticeUtils.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/IR/BasicBlock.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/InstrTypes.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/PassManager.h"
#include "llvm/IR/Type.h"
#include "llvm/IR/Value.h"
#include "llvm/Pass.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Transforms/Scalar.h"
#include "llvm/Transforms/Utils/Local.h"
#include "llvm/Transforms/Utils/SCCPSolver.h"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "sccp"

Functions
	STATISTIC (NumInstRemoved, "Number of instructions removed")
	STATISTIC (NumDeadBlocks, "Number of basic blocks unreachable")
	STATISTIC (NumInstReplaced, "Number of instructions replaced with (simpler) instruction")
static bool	runSCCP (Function &F, const DataLayout &DL, const TargetLibraryInfo *TLI, DomTreeUpdater &DTU)

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "sccp"

Definition at line 46 of file SCCP.cpp.

Function Documentation

runSCCP()

static bool runSCCP ( Function &  F, const DataLayout &  DL, const TargetLibraryInfo *  TLI, DomTreeUpdater &  DTU  )

static

Definition at line 55 of file SCCP.cpp.

References llvm::SCCPSolver::addTrackedFunction(), llvm::canTrackReturnsInterprocedurally(), llvm::changeToUnreachable(), llvm::dbgs(), llvm::DomTreeUpdater::deleteBB(), DL, F, llvm::SCCPSolver::inferReturnAttributes(), llvm::SCCPSolver::isBlockExecutable(), LLVM_DEBUG, llvm::SCCPSolver::markBlockExecutable(), llvm::SmallVectorTemplateBase< T, bool >::push_back(), llvm::SCCPSolver::removeNonFeasibleEdges(), llvm::SCCPSolver::resolvedUndefsIn(), llvm::SCCPSolver::simplifyInstsInBlock(), llvm::SCCPSolver::solve(), and llvm::SCCPSolver::trackValueOfArgument().

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

STATISTIC() [1/3]

STATISTIC	(	NumDeadBlocks	,
		"Number of basic blocks unreachable"
	)

STATISTIC() [2/3]

STATISTIC	(	NumInstRemoved	,
		"Number of instructions removed"
	)

STATISTIC() [3/3]

STATISTIC	(	NumInstReplaced	,
		"Number of instructions replaced with (simpler) instruction"
	)