MachineBlockFrequencyInfo.cpp File Reference

#include "llvm/CodeGen/MachineBlockFrequencyInfo.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/iterator.h"
#include "llvm/Analysis/BlockFrequencyInfoImpl.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/MachineBranchProbabilityInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineLoopInfo.h"
#include "llvm/InitializePasses.h"
#include "llvm/Pass.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/GraphWriter.h"
#include <optional>
#include <string>

Go to the source code of this file.

Classes
struct	llvm::GraphTraits< MachineBlockFrequencyInfo * >
struct	llvm::DOTGraphTraits< MachineBlockFrequencyInfo * >

Namespaces
namespace	llvm
	This is an optimization pass for GlobalISel generic memory operations.

Macros
#define	DEBUG_TYPE   "machine-block-freq"

Typedefs
using	MBFIDOTGraphTraitsBase

Functions
static GVDAGType	getGVDT ()
	INITIALIZE_PASS_BEGIN (MachineBlockFrequencyInfoWrapperPass, DEBUG_TYPE, "Machine Block Frequency Analysis", true, true) INITIALIZE_PASS_END(MachineBlockFrequencyInfoWrapperPass

Variables
static cl::opt< GVDAGType >	ViewMachineBlockFreqPropagationDAG ("view-machine-block-freq-propagation-dags", cl::Hidden, cl::desc("Pop up a window to show a dag displaying how machine block " "frequencies propagate through the CFG."), cl::values(clEnumValN(GVDT_None, "none", "do not display graphs."), clEnumValN(GVDT_Fraction, "fraction", "display a graph using the " "fractional block frequency representation."), clEnumValN(GVDT_Integer, "integer", "display a graph using the raw " "integer fractional block frequency representation."), clEnumValN(GVDT_Count, "count", "display a graph using the real " "profile count if available.")))
cl::opt< GVDAGType >	llvm::ViewBlockLayoutWithBFI ("view-block-layout-with-bfi", cl::Hidden, cl::desc("Pop up a window to show a dag displaying MBP layout and associated " "block frequencies of the CFG."), cl::values(clEnumValN(GVDT_None, "none", "do not display graphs."), clEnumValN(GVDT_Fraction, "fraction", "display a graph using the " "fractional block frequency representation."), clEnumValN(GVDT_Integer, "integer", "display a graph using the raw " "integer fractional block frequency representation."), clEnumValN(GVDT_Count, "count", "display a graph using the real " "profile count if available.")))
static cl::opt< bool >	PrintMachineBlockFreq ("print-machine-bfi", cl::init(false), cl::Hidden, cl::desc("Print the machine block frequency info."))
	DEBUG_TYPE
Machine Block Frequency	Analysis
Machine Block Frequency	true

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "machine-block-freq"

Definition at line 30 of file MachineBlockFrequencyInfo.cpp.

Typedef Documentation

MBFIDOTGraphTraitsBase

using MBFIDOTGraphTraitsBase

Initial value:

 
    BFIDOTGraphTraitsBase<MachineBlockFrequencyInfo,
                          MachineBranchProbabilityInfo>

Definition at line 112 of file MachineBlockFrequencyInfo.cpp.

Function Documentation

getGVDT()

GVDAGType getGVDT ( )

static

Definition at line 81 of file MachineBlockFrequencyInfo.cpp.

References llvm::GVDT_None, llvm::ViewBlockLayoutWithBFI, and ViewMachineBlockFreqPropagationDAG.

INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN	(	MachineBlockFrequencyInfoWrapperPass	,
		DEBUG_TYPE	,
		"Machine Block Frequency Analysis"	,
		true	,
		true	)

References DEBUG_TYPE, and INITIALIZE_PASS_DEPENDENCY.

Variable Documentation

Analysis

Machine Block Frequency Analysis

Definition at line 185 of file MachineBlockFrequencyInfo.cpp.

DEBUG_TYPE

DEBUG_TYPE

Definition at line 184 of file MachineBlockFrequencyInfo.cpp.

PrintMachineBlockFreq

cl::opt< bool > PrintMachineBlockFreq("print-machine-bfi", cl::init(false), cl::Hidden, cl::desc("Print the machine block frequency info.")) ( "print-machine-bfi" , cl::init(false) , cl::Hidden , cl::desc("Print the machine block frequency info.")  )

static

Referenced by llvm::MachineBlockFrequencyInfo::calculate().

true

Machine Block Frequency true

Definition at line 185 of file MachineBlockFrequencyInfo.cpp.

ViewMachineBlockFreqPropagationDAG

cl::opt< GVDAGType > ViewMachineBlockFreqPropagationDAG("view-machine-block-freq-propagation-dags", cl::Hidden, cl::desc("Pop up a window to show a dag displaying how machine block " "frequencies propagate through the CFG."), cl::values(clEnumValN(GVDT_None, "none", "do not display graphs."), clEnumValN(GVDT_Fraction, "fraction", "display a graph using the " "fractional block frequency representation."), clEnumValN(GVDT_Integer, "integer", "display a graph using the raw " "integer fractional block frequency representation."), clEnumValN(GVDT_Count, "count", "display a graph using the real " "profile count if available."))) ( "view-machine-block-freq-propagation-dags" , cl::Hidden , cl::desc("Pop up a window to show a dag displaying how machine block " "frequencies propagate through the CFG.") , cl::values(clEnumValN(GVDT_None, "none", "do not display graphs."), clEnumValN(GVDT_Fraction, "fraction", "display a graph using the " "fractional block frequency representation."), clEnumValN(GVDT_Integer, "integer", "display a graph using the raw " "integer fractional block frequency representation."), clEnumValN(GVDT_Count, "count", "display a graph using the real " "profile count if available."))  )

static

Referenced by llvm::MachineBlockFrequencyInfo::calculate(), and getGVDT().