PPCCTRLoops.cpp File Reference

#include "llvm/Transforms/Scalar.h"
#include "PPC.h"
#include "PPCTargetMachine.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/Analysis/LoopInfo.h"
#include "llvm/Analysis/ScalarEvolutionExpander.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/Dominators.h"
#include "llvm/IR/InlineAsm.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/ValueHandle.h"
#include "llvm/PassSupport.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetLibraryInfo.h"
#include "llvm/Transforms/Utils/BasicBlockUtils.h"
#include "llvm/Transforms/Utils/Local.h"
#include "llvm/Transforms/Utils/LoopUtils.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
namespace	llvm
	List of target independent CodeGen pass IDs.
Defines
#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	isLargeIntegerTy (bool Is32Bit, Type *Ty)
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

---

Define Documentation

#define DEBUG_TYPE   "ctrloops"

Definition at line 62 of file PPCCTRLoops.cpp.

---

Function Documentation

static bool clobbersCTR

(

const MachineInstr *

MI

)

[static]

Definition at line 554 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
	)

static bool isLargeIntegerTy	(	bool	Is32Bit,
		Type *	Ty
	)		[static]

Definition at line 190 of file PPCCTRLoops.cpp.

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

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

Definition at line 569 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.

Referenced by llvm::DILocation::copyWithNewScope(), llvm::ExecutionEngine::setVerifyModules(), and llvm::EngineBuilder::setVerifyModules().