GCRootLowering.cpp File Reference

#include "llvm/CodeGen/GCMetadata.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/CodeGen/TargetFrameLowering.h"
#include "llvm/CodeGen/TargetInstrInfo.h"
#include "llvm/CodeGen/TargetRegisterInfo.h"
#include "llvm/CodeGen/TargetSubtargetInfo.h"
#include "llvm/IR/Dominators.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Module.h"
#include "llvm/InitializePasses.h"
#include "llvm/MC/MCContext.h"

Include dependency graph for GCRootLowering.cpp:

Go to the source code of this file.

Functions
	INITIALIZE_PASS_BEGIN (LowerIntrinsics, "gc-lowering", "GC Lowering", false, false) FunctionPass *llvm
static bool	CouldBecomeSafePoint (Instruction *I)
	CouldBecomeSafePoint - Predicate to conservatively determine whether the instruction could introduce a safe point.
static bool	InsertRootInitializers (Function &F, ArrayRef< AllocaInst * > Roots)
	INITIALIZE_PASS (GCMachineCodeAnalysis, "gc-analysis", "Analyze Machine Code For Garbage Collection", false, false) GCMachineCodeAnalysis

Function Documentation

CouldBecomeSafePoint()

static bool CouldBecomeSafePoint ( Instruction *  I )

static

CouldBecomeSafePoint - Predicate to conservatively determine whether the instruction could introduce a safe point.

Definition at line 114 of file GCRootLowering.cpp.

References F, and I.

Referenced by InsertRootInitializers().

INITIALIZE_PASS()

INITIALIZE_PASS	(	GCMachineCodeAnalysis	,
		"gc-analysis"	,
		"Analyze Machine Code For Garbage Collection"	,
		false	,
		false
	)

Definition at line 240 of file GCRootLowering.cpp.

INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN	(	LowerIntrinsics	,
		"gc-lowering"	,
		"GC Lowering"	,
		false	,
		false
	)

Definition at line 77 of file GCRootLowering.cpp.

InsertRootInitializers()

static bool InsertRootInitializers ( Function &  F, ArrayRef< AllocaInst * >  Roots  )

static

Definition at line 140 of file GCRootLowering.cpp.

References CouldBecomeSafePoint(), llvm::SmallPtrSetImpl< PtrType >::count(), F, llvm::ConstantPointerNull::get(), llvm::SmallPtrSetImpl< PtrType >::insert(), and SI.