MachineBlockPlacement.cpp File Reference

#include "llvm/CodeGen/Passes.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/MachineBlockFrequencyInfo.h"
#include "llvm/CodeGen/MachineBranchProbabilityInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineLoopInfo.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/Support/Allocator.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Target/TargetLowering.h"
#include <algorithm>

Include dependency graph for MachineBlockPlacement.cpp:

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "block-placement2"

Functions
	STATISTIC (NumCondBranches,"Number of conditional branches")
	STATISTIC (NumUncondBranches,"Number of uncondittional branches")
	STATISTIC (CondBranchTakenFreq,"Potential frequency of taking conditional branches")
	STATISTIC (UncondBranchTakenFreq,"Potential frequency of taking unconditional branches")
	INITIALIZE_PASS_BEGIN (MachineBlockPlacement,"block-placement2","Branch Probability Basic Block Placement", false, false) INITIALIZE_PASS_END(MachineBlockPlacement
block Branch Probability Basic Block static false std::string	getBlockName (MachineBasicBlock *BB)
	Helper to print the name of a MBB. More...
static std::string	getBlockNum (MachineBasicBlock *BB)
	Helper to print the number of a MBB. More...
	INITIALIZE_PASS_BEGIN (MachineBlockPlacementStats,"block-placement-stats","Basic Block Placement Stats", false, false) INITIALIZE_PASS_END(MachineBlockPlacementStats

Variables
static cl::opt< unsigned >	AlignAllBlock ("align-all-blocks", cl::desc("Force the alignment of all ""blocks in the function."), cl::init(0), cl::Hidden)
block	placement2
block Branch Probability Basic Block	Placement
block Branch Probability Basic Block	false
block placement	stats
block placement Basic Block Placement	Stats

Macro Definition Documentation

#define DEBUG_TYPE   "block-placement2"

Definition at line 28 of file MachineBlockPlacement.cpp.

Function Documentation

block Branch Probability Basic Block static false std::string getBlockName ( MachineBasicBlock *  BB )

static

Helper to print the name of a MBB.

Only used by debug logging.

Definition at line 258 of file MachineBlockPlacement.cpp.

References llvm::raw_ostream::flush(), llvm::MachineBasicBlock::getName(), and llvm::MachineBasicBlock::getNumber().

Referenced by llvm::BlockFrequencyImpl< llvm::BasicBlock, llvm::Function, llvm::BranchProbabilityInfo >::print().

static std::string getBlockNum ( MachineBasicBlock *  BB )

static

Helper to print the number of a MBB.

Only used by debug logging.

Definition at line 270 of file MachineBlockPlacement.cpp.

References llvm::raw_ostream::flush(), and llvm::MachineBasicBlock::getNumber().

Referenced by llvm::MachineTraceMetrics::Trace::getInstrSlack(), llvm::MachineTraceMetrics::Trace::getPHIDepth(), llvm::MachineTraceMetrics::Trace::getResourceDepth(), and llvm::MachineTraceMetrics::Trace::getResourceLength().

INITIALIZE_PASS_BEGIN	(	MachineBlockPlacement	,
		"block-placement2"	,
		"Branch Probability Basic Block Placement"	,
		false	,
		false
	)

INITIALIZE_PASS_BEGIN	(	MachineBlockPlacementStats	,
		"block-placement-stats"	,
		"Basic Block Placement Stats"	,
		false	,
		false
	)

STATISTIC	(	NumCondBranches	,
		"Number of conditional branches"
	)

STATISTIC	(	NumUncondBranches	,
		"Number of uncondittional branches"
	)

STATISTIC	(	CondBranchTakenFreq	,
		"Potential frequency of taking conditional branches"
	)

STATISTIC	(	UncondBranchTakenFreq	,
		"Potential frequency of taking unconditional branches"
	)

Variable Documentation

cl::opt<unsigned> AlignAllBlock("align-all-blocks", cl::desc("Force the alignment of all ""blocks in the function."), cl::init(0), cl::Hidden)

static

block placement Basic Block Placement false

Definition at line 251 of file MachineBlockPlacement.cpp.

block Branch Probability Basic Block Placement

Definition at line 251 of file MachineBlockPlacement.cpp.

block placement2

Definition at line 251 of file MachineBlockPlacement.cpp.

block placement stats

Definition at line 1169 of file MachineBlockPlacement.cpp.

block placement Basic Block Placement Stats

Definition at line 1169 of file MachineBlockPlacement.cpp.

Referenced by llvm::PrintStatistics().