llvm::InsertPointAnalysis Class Reference

Determines the latest safe point in a block in which we can insert a split, spill or other instruction related with CurLI. More...

#include "CodeGen/SplitKit.h"

Public Member Functions
	InsertPointAnalysis (const LiveIntervals &lis, unsigned BBNum)
SlotIndex	getLastInsertPoint (const LiveInterval &CurLI, const MachineBasicBlock &MBB)
	Return the base index of the last valid insert point for in . More...
MachineBasicBlock::iterator	getLastInsertPointIter (const LiveInterval &CurLI, MachineBasicBlock &MBB)
	Returns the last insert point as an iterator for in . More...
SlotIndex	getFirstInsertPoint (MachineBasicBlock &MBB)
	Return the base index of the first insert point in . More...

Detailed Description

Determines the latest safe point in a block in which we can insert a split, spill or other instruction related with CurLI.

Definition at line 50 of file SplitKit.h.

Constructor & Destructor Documentation

InsertPointAnalysis()

InsertPointAnalysis::InsertPointAnalysis	(	const LiveIntervals &	lis,
		unsigned	BBNum
	)

Definition at line 72 of file SplitKit.cpp.

References llvm::MachineBasicBlock::begin(), llvm::VNInfo::def, E, llvm::SmallVectorBase::empty(), llvm::MachineBasicBlock::end(), for(), llvm::MachineBasicBlock::getFirstTerminator(), llvm::LiveIntervals::getInstructionIndex(), llvm::LiveIntervals::getMBBEndIdx(), llvm::MachineBasicBlock::getNumber(), llvm::LiveRange::getVNInfoBefore(), I, llvm::SlotIndex::isEarlierInstr(), llvm::LiveIntervals::isLiveInToMBB(), llvm::none_of(), llvm::SmallVectorTemplateBase< T >::push_back(), and llvm::MachineBasicBlock::successors().

Member Function Documentation

getFirstInsertPoint()

SlotIndex llvm::InsertPointAnalysis::getFirstInsertPoint ( MachineBasicBlock &  MBB )

inline

Return the base index of the first insert point in .

Definition at line 82 of file SplitKit.h.

References llvm::MachineBasicBlock::begin(), llvm::MachineBasicBlock::empty(), llvm::MachineBasicBlock::end(), llvm::LiveIntervals::getInstructionIndex(), llvm::LiveIntervals::getMBBStartIdx(), and llvm::MachineBasicBlock::SkipPHIsLabelsAndDebug().

Referenced by llvm::SplitAnalysis::getFirstSplitPoint().

getLastInsertPoint()

SlotIndex llvm::InsertPointAnalysis::getLastInsertPoint ( const LiveInterval &  CurLI, const MachineBasicBlock &  MBB  )

inline

Return the base index of the last valid insert point for in .

Definition at line 67 of file SplitKit.h.

References first, and llvm::MachineBasicBlock::getNumber().

Referenced by getLastInsertPointIter(), and llvm::SplitAnalysis::getLastSplitPoint().

getLastInsertPointIter()

MachineBasicBlock::iterator InsertPointAnalysis::getLastInsertPointIter	(	const LiveInterval &	CurLI,
		MachineBasicBlock &	MBB
	)

Returns the last insert point as an iterator for in .

Definition at line 140 of file SplitKit.cpp.

References llvm::MachineBasicBlock::end(), llvm::LiveIntervals::getInstructionFromIndex(), getLastInsertPoint(), and llvm::LiveIntervals::getMBBEndIdx().

Referenced by llvm::SplitAnalysis::getLastSplitPointIter().

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The documentation for this class was generated from the following files:

• lib/CodeGen/SplitKit.h
• lib/CodeGen/SplitKit.cpp