PPCCTRLoops.cpp File Reference

#include "llvm/Transforms/Scalar.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/Analysis/Dominators.h"
#include "llvm/Analysis/LoopInfo.h"
#include "llvm/Analysis/ScalarEvolutionExpander.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/InlineAsm.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Module.h"
#include "llvm/PassSupport.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ValueHandle.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Transforms/Utils/BasicBlockUtils.h"
#include "llvm/Transforms/Utils/Local.h"
#include "llvm/Transforms/Utils/LoopUtils.h"
#include "llvm/Target/TargetLibraryInfo.h"
#include "PPCTargetMachine.h"
#include "PPC.h"
#include "llvm/CodeGen/MachineDominators.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include <algorithm>
#include <vector>

Include dependency graph for PPCCTRLoops.cpp:

Go to the source code of this file.

Namespaces
	llvm
	List of target independent CodeGen pass IDs.

Macros
#define	DEBUG_TYPE   "ctrloops"

Functions
	STATISTIC (NumCTRLoops,"Number of loops converted to CTR loops")
void	llvm::initializePPCCTRLoopsPass (PassRegistry &)
void	llvm::initializePPCCTRLoopsVerifyPass (PassRegistry &)
	INITIALIZE_PASS_BEGIN (PPCCTRLoops,"ppc-ctr-loops","PowerPC CTR Loops", false, false) INITIALIZE_PASS_END(PPCCTRLoops
	INITIALIZE_PASS_BEGIN (PPCCTRLoopsVerify,"ppc-ctr-loops-verify","PowerPC CTR Loops Verify", false, false) INITIALIZE_PASS_END(PPCCTRLoopsVerify
static bool	clobbersCTR (const MachineInstr *MI)
static bool	verifyCTRBranch (MachineBasicBlock *MBB, MachineBasicBlock::iterator I)

Variables
static cl::opt< int >	CTRLoopLimit ("ppc-max-ctrloop", cl::Hidden, cl::init(-1))
ppc ctr	loops
ppc ctr PowerPC CTR	Loops
ppc ctr PowerPC CTR	false
ppc ctr loops	verify
ppc ctr loops PowerPC CTR Loops	Verify

Macro Definition Documentation

#define DEBUG_TYPE   "ctrloops"

Definition at line 26 of file PPCCTRLoops.cpp.

Function Documentation

static bool clobbersCTR ( const MachineInstr *  MI )

static

Definition at line 541 of file PPCCTRLoops.cpp.

References llvm::MachineOperand::clobbersPhysReg(), llvm::MachineInstr::getNumOperands(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), llvm::MachineOperand::isDef(), llvm::MachineOperand::isReg(), and llvm::MachineOperand::isRegMask().

Referenced by verifyCTRBranch().

INITIALIZE_PASS_BEGIN	(	PPCCTRLoops	,
		"ppc-ctr-loops"	,
		"PowerPC CTR Loops"	,
		false	,
		false
	)

INITIALIZE_PASS_BEGIN	(	PPCCTRLoopsVerify	,
		"ppc-ctr-loops-verify"	,
		"PowerPC CTR Loops Verify"	,
		false	,
		false
	)

STATISTIC	(	NumCTRLoops	,
		"Number of loops converted to CTR loops"
	)

static bool verifyCTRBranch ( MachineBasicBlock *  MBB, MachineBasicBlock::iterator  I  )

static

Definition at line 556 of file PPCCTRLoops.cpp.

References llvm::MachineBasicBlock::begin(), llvm::MachineFunction::begin(), clobbersCTR(), llvm::SmallSet< T, N, C >::count(), llvm::dbgs(), DEBUG, llvm::SmallVectorBase::empty(), llvm::MachineBasicBlock::end(), llvm::MachineBasicBlock::getFullName(), llvm::MachineBasicBlock::getLastNonDebugInstr(), llvm::MachineBasicBlock::getNumber(), llvm::MachineBasicBlock::getParent(), I, llvm::ARM_PROC::IE, llvm::SmallSet< T, N, C >::insert(), llvm::SmallVectorImpl< T >::pop_back_val(), llvm::MachineBasicBlock::pred_begin(), llvm::MachineBasicBlock::pred_end(), and llvm::SmallVectorTemplateBase< T, isPodLike< T >::value >::push_back().

Variable Documentation

cl::opt<int> CTRLoopLimit("ppc-max-ctrloop", cl::Hidden, cl::init(-1))

static

ppc ctr loops PowerPC CTR Loops false

Definition at line 151 of file PPCCTRLoops.cpp.

ppc ctr loops

Definition at line 151 of file PPCCTRLoops.cpp.

ppc ctr PowerPC CTR Loops

Definition at line 151 of file PPCCTRLoops.cpp.

ppc ctr loops verify

Definition at line 162 of file PPCCTRLoops.cpp.

ppc ctr loops PowerPC CTR Loops Verify

Definition at line 162 of file PPCCTRLoops.cpp.