LiveDebugVariables.cpp File Reference

#include "LiveDebugVariables.h"
#include "llvm/ADT/IntervalMap.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/CodeGen/LexicalScopes.h"
#include "llvm/CodeGen/LiveIntervalAnalysis.h"
#include "llvm/CodeGen/MachineDominators.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/CodeGen/VirtRegMap.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DebugInfo.h"
#include "llvm/IR/Metadata.h"
#include "llvm/IR/Value.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetRegisterInfo.h"
#include "llvm/Target/TargetSubtargetInfo.h"
#include <memory>

Include dependency graph for LiveDebugVariables.cpp:

Go to the source code of this file.

Defines
#define	DEBUG_TYPE   "livedebug"
Typedefs
typedef IntervalMap< SlotIndex, unsigned, 4 >	LocMap
	LocMap - Map of where a user value is live, and its location.
Functions
	STATISTIC (NumInsertedDebugValues,"Number of DBG_VALUEs inserted")
	INITIALIZE_PASS_BEGIN (LiveDebugVariables,"livedebugvars","Debug Variable Analysis", false, false) INITIALIZE_PASS_END(LiveDebugVariables
static void	removeDebugValues (MachineFunction &mf)
static MachineBasicBlock::iterator	findInsertLocation (MachineBasicBlock *MBB, SlotIndex Idx, LiveIntervals &LIS)
Variables
static cl::opt< bool >	EnableLDV ("live-debug-variables", cl::init(true), cl::desc("Enable the live debug variables pass"), cl::Hidden)
	livedebugvars
Debug Variable	Analysis
Debug Variable	false

---

Define Documentation

#define DEBUG_TYPE   "livedebug"

Definition at line 48 of file LiveDebugVariables.cpp.

---

Typedef Documentation

typedef IntervalMap<SlotIndex, unsigned, 4> LocMap

LocMap - Map of where a user value is live, and its location.

Definition at line 76 of file LiveDebugVariables.cpp.

---

Function Documentation

static MachineBasicBlock::iterator findInsertLocation	(	MachineBasicBlock *	MBB,
		SlotIndex	Idx,
		LiveIntervals &	LIS
	)		[static]

findInsertLocation - Find an iterator for inserting a DBG_VALUE instruction.

Definition at line 918 of file LiveDebugVariables.cpp.

References llvm::MachineBasicBlock::begin(), llvm::SlotIndex::getBaseIndex(), llvm::MachineBasicBlock::getFirstTerminator(), llvm::LiveIntervals::getInstructionFromIndex(), llvm::LiveIntervals::getMBBStartIdx(), llvm::SlotIndex::getPrevIndex(), I, llvm::MachineInstr::isTerminator(), llvm::AArch64CC::MI, and llvm::MachineBasicBlock::SkipPHIsAndLabels().

INITIALIZE_PASS_BEGIN	(	LiveDebugVariables	,
		"livedebugvars"	,
		"Debug Variable Analysis"	,
		false	,
		false
	)

static void removeDebugValues

(

MachineFunction &

mf

)

[static]

Definition at line 714 of file LiveDebugVariables.cpp.

References llvm::MachineBasicBlock::begin(), llvm::MachineBasicBlock::end(), and llvm::MachineBasicBlock::erase().

STATISTIC	(	NumInsertedDebugValues	,
		"Number of DBG_VALUEs inserted"
	)

---

Variable Documentation

Debug Variable Analysis

Definition at line 61 of file LiveDebugVariables.cpp.

cl::opt<bool> EnableLDV("live-debug-variables", cl::init(true), cl::desc("Enable the live debug variables pass"), cl::Hidden) [static]

Debug Variable false

Definition at line 61 of file LiveDebugVariables.cpp.

livedebugvars

Definition at line 61 of file LiveDebugVariables.cpp.