diff options
Diffstat (limited to 'include/llvm/CodeGen/LiveIntervalAnalysis.h')
-rw-r--r-- | include/llvm/CodeGen/LiveIntervalAnalysis.h | 102 |
1 files changed, 51 insertions, 51 deletions
diff --git a/include/llvm/CodeGen/LiveIntervalAnalysis.h b/include/llvm/CodeGen/LiveIntervalAnalysis.h index 3311788..cf33d48 100644 --- a/include/llvm/CodeGen/LiveIntervalAnalysis.h +++ b/include/llvm/CodeGen/LiveIntervalAnalysis.h @@ -40,13 +40,13 @@ namespace llvm { class TargetInstrInfo; class TargetRegisterClass; class VirtRegMap; - typedef std::pair<MachineInstrIndex, MachineBasicBlock*> IdxMBBPair; + typedef std::pair<LiveIndex, MachineBasicBlock*> IdxMBBPair; - inline bool operator<(MachineInstrIndex V, const IdxMBBPair &IM) { + inline bool operator<(LiveIndex V, const IdxMBBPair &IM) { return V < IM.first; } - inline bool operator<(const IdxMBBPair &IM, MachineInstrIndex V) { + inline bool operator<(const IdxMBBPair &IM, LiveIndex V) { return IM.first < V; } @@ -71,7 +71,7 @@ namespace llvm { /// MBB2IdxMap - The indexes of the first and last instructions in the /// specified basic block. - std::vector<std::pair<MachineInstrIndex, MachineInstrIndex> > MBB2IdxMap; + std::vector<std::pair<LiveIndex, LiveIndex> > MBB2IdxMap; /// Idx2MBBMap - Sorted list of pairs of index of first instruction /// and MBB id. @@ -80,7 +80,7 @@ namespace llvm { /// FunctionSize - The number of instructions present in the function uint64_t FunctionSize; - typedef DenseMap<const MachineInstr*, MachineInstrIndex> Mi2IndexMap; + typedef DenseMap<const MachineInstr*, LiveIndex> Mi2IndexMap; Mi2IndexMap mi2iMap_; typedef std::vector<MachineInstr*> Index2MiMap; @@ -89,7 +89,7 @@ namespace llvm { typedef DenseMap<unsigned, LiveInterval*> Reg2IntervalMap; Reg2IntervalMap r2iMap_; - DenseMap<MachineBasicBlock*, MachineInstrIndex> terminatorGaps; + DenseMap<MachineBasicBlock*, LiveIndex> terminatorGaps; /// phiJoinCopies - Copy instructions which are PHI joins. SmallVector<MachineInstr*, 16> phiJoinCopies; @@ -106,39 +106,39 @@ namespace llvm { static char ID; // Pass identification, replacement for typeid LiveIntervals() : MachineFunctionPass(&ID) {} - MachineInstrIndex getBaseIndex(MachineInstrIndex index) { - return MachineInstrIndex(index, MachineInstrIndex::LOAD); + LiveIndex getBaseIndex(LiveIndex index) { + return LiveIndex(index, LiveIndex::LOAD); } - MachineInstrIndex getBoundaryIndex(MachineInstrIndex index) { - return MachineInstrIndex(index, - (MachineInstrIndex::Slot)(MachineInstrIndex::NUM - 1)); + LiveIndex getBoundaryIndex(LiveIndex index) { + return LiveIndex(index, + (LiveIndex::Slot)(LiveIndex::NUM - 1)); } - MachineInstrIndex getLoadIndex(MachineInstrIndex index) { - return MachineInstrIndex(index, MachineInstrIndex::LOAD); + LiveIndex getLoadIndex(LiveIndex index) { + return LiveIndex(index, LiveIndex::LOAD); } - MachineInstrIndex getUseIndex(MachineInstrIndex index) { - return MachineInstrIndex(index, MachineInstrIndex::USE); + LiveIndex getUseIndex(LiveIndex index) { + return LiveIndex(index, LiveIndex::USE); } - MachineInstrIndex getDefIndex(MachineInstrIndex index) { - return MachineInstrIndex(index, MachineInstrIndex::DEF); + LiveIndex getDefIndex(LiveIndex index) { + return LiveIndex(index, LiveIndex::DEF); } - MachineInstrIndex getStoreIndex(MachineInstrIndex index) { - return MachineInstrIndex(index, MachineInstrIndex::STORE); + LiveIndex getStoreIndex(LiveIndex index) { + return LiveIndex(index, LiveIndex::STORE); } - MachineInstrIndex getNextSlot(MachineInstrIndex m) const { + LiveIndex getNextSlot(LiveIndex m) const { return m.nextSlot_(); } - MachineInstrIndex getNextIndex(MachineInstrIndex m) const { + LiveIndex getNextIndex(LiveIndex m) const { return m.nextIndex_(); } - MachineInstrIndex getPrevSlot(MachineInstrIndex m) const { + LiveIndex getPrevSlot(LiveIndex m) const { return m.prevSlot_(); } - MachineInstrIndex getPrevIndex(MachineInstrIndex m) const { + LiveIndex getPrevIndex(LiveIndex m) const { return m.prevIndex_(); } @@ -172,20 +172,20 @@ namespace llvm { /// getMBBStartIdx - Return the base index of the first instruction in the /// specified MachineBasicBlock. - MachineInstrIndex getMBBStartIdx(MachineBasicBlock *MBB) const { + LiveIndex getMBBStartIdx(MachineBasicBlock *MBB) const { return getMBBStartIdx(MBB->getNumber()); } - MachineInstrIndex getMBBStartIdx(unsigned MBBNo) const { + LiveIndex getMBBStartIdx(unsigned MBBNo) const { assert(MBBNo < MBB2IdxMap.size() && "Invalid MBB number!"); return MBB2IdxMap[MBBNo].first; } /// getMBBEndIdx - Return the store index of the last instruction in the /// specified MachineBasicBlock. - MachineInstrIndex getMBBEndIdx(MachineBasicBlock *MBB) const { + LiveIndex getMBBEndIdx(MachineBasicBlock *MBB) const { return getMBBEndIdx(MBB->getNumber()); } - MachineInstrIndex getMBBEndIdx(unsigned MBBNo) const { + LiveIndex getMBBEndIdx(unsigned MBBNo) const { assert(MBBNo < MBB2IdxMap.size() && "Invalid MBB number!"); return MBB2IdxMap[MBBNo].second; } @@ -206,7 +206,7 @@ namespace llvm { /// getMBBFromIndex - given an index in any instruction of an /// MBB return a pointer the MBB - MachineBasicBlock* getMBBFromIndex(MachineInstrIndex index) const { + MachineBasicBlock* getMBBFromIndex(LiveIndex index) const { std::vector<IdxMBBPair>::const_iterator I = std::lower_bound(Idx2MBBMap.begin(), Idx2MBBMap.end(), index); // Take the pair containing the index @@ -221,7 +221,7 @@ namespace llvm { } /// getInstructionIndex - returns the base index of instr - MachineInstrIndex getInstructionIndex(const MachineInstr* instr) const { + LiveIndex getInstructionIndex(const MachineInstr* instr) const { Mi2IndexMap::const_iterator it = mi2iMap_.find(instr); assert(it != mi2iMap_.end() && "Invalid instruction!"); return it->second; @@ -229,7 +229,7 @@ namespace llvm { /// getInstructionFromIndex - given an index in any slot of an /// instruction return a pointer the instruction - MachineInstr* getInstructionFromIndex(MachineInstrIndex index) const { + MachineInstr* getInstructionFromIndex(LiveIndex index) const { // convert index to vector index unsigned i = index.getVecIndex(); assert(i < i2miMap_.size() && @@ -239,14 +239,14 @@ namespace llvm { /// hasGapBeforeInstr - Return true if the previous instruction slot, /// i.e. Index - InstrSlots::NUM, is not occupied. - bool hasGapBeforeInstr(MachineInstrIndex Index) { + bool hasGapBeforeInstr(LiveIndex Index) { Index = getBaseIndex(getPrevIndex(Index)); return getInstructionFromIndex(Index) == 0; } /// hasGapAfterInstr - Return true if the successive instruction slot, /// i.e. Index + InstrSlots::Num, is not occupied. - bool hasGapAfterInstr(MachineInstrIndex Index) { + bool hasGapAfterInstr(LiveIndex Index) { Index = getBaseIndex(getNextIndex(Index)); return getInstructionFromIndex(Index) == 0; } @@ -254,14 +254,14 @@ namespace llvm { /// findGapBeforeInstr - Find an empty instruction slot before the /// specified index. If "Furthest" is true, find one that's furthest /// away from the index (but before any index that's occupied). - MachineInstrIndex findGapBeforeInstr(MachineInstrIndex Index, + LiveIndex findGapBeforeInstr(LiveIndex Index, bool Furthest = false) { Index = getBaseIndex(getPrevIndex(Index)); if (getInstructionFromIndex(Index)) - return MachineInstrIndex(); // No gap! + return LiveIndex(); // No gap! if (!Furthest) return Index; - MachineInstrIndex PrevIndex = getBaseIndex(getPrevIndex(Index)); + LiveIndex PrevIndex = getBaseIndex(getPrevIndex(Index)); while (getInstructionFromIndex(Index)) { Index = PrevIndex; PrevIndex = getBaseIndex(getPrevIndex(Index)); @@ -271,7 +271,7 @@ namespace llvm { /// InsertMachineInstrInMaps - Insert the specified machine instruction /// into the instruction index map at the given index. - void InsertMachineInstrInMaps(MachineInstr *MI, MachineInstrIndex Index) { + void InsertMachineInstrInMaps(MachineInstr *MI, LiveIndex Index) { i2miMap_[Index.getVecIndex()] = MI; Mi2IndexMap::iterator it = mi2iMap_.find(MI); assert(it == mi2iMap_.end() && "Already in map!"); @@ -292,12 +292,12 @@ namespace llvm { /// findLiveInMBBs - Given a live range, if the value of the range /// is live in any MBB returns true as well as the list of basic blocks /// in which the value is live. - bool findLiveInMBBs(MachineInstrIndex Start, MachineInstrIndex End, + bool findLiveInMBBs(LiveIndex Start, LiveIndex End, SmallVectorImpl<MachineBasicBlock*> &MBBs) const; /// findReachableMBBs - Return a list MBB that can be reached via any /// branch or fallthroughs. Return true if the list is not empty. - bool findReachableMBBs(MachineInstrIndex Start, MachineInstrIndex End, + bool findReachableMBBs(LiveIndex Start, LiveIndex End, SmallVectorImpl<MachineBasicBlock*> &MBBs) const; // Interval creation @@ -353,7 +353,7 @@ namespace llvm { i2miMap_[mi2i->second.index/InstrSlots::NUM] = NewMI; Mi2IndexMap::iterator it = mi2iMap_.find(MI); assert(it != mi2iMap_.end() && "Invalid instruction!"); - MachineInstrIndex Index = it->second; + LiveIndex Index = it->second; mi2iMap_.erase(it); mi2iMap_[NewMI] = Index; } @@ -444,14 +444,14 @@ namespace llvm { /// handleVirtualRegisterDef) void handleRegisterDef(MachineBasicBlock *MBB, MachineBasicBlock::iterator MI, - MachineInstrIndex MIIdx, + LiveIndex MIIdx, MachineOperand& MO, unsigned MOIdx); /// handleVirtualRegisterDef - update intervals for a virtual /// register def void handleVirtualRegisterDef(MachineBasicBlock *MBB, MachineBasicBlock::iterator MI, - MachineInstrIndex MIIdx, MachineOperand& MO, + LiveIndex MIIdx, MachineOperand& MO, unsigned MOIdx, LiveInterval& interval); @@ -459,13 +459,13 @@ namespace llvm { /// def. void handlePhysicalRegisterDef(MachineBasicBlock* mbb, MachineBasicBlock::iterator mi, - MachineInstrIndex MIIdx, MachineOperand& MO, + LiveIndex MIIdx, MachineOperand& MO, LiveInterval &interval, MachineInstr *CopyMI); /// handleLiveInRegister - Create interval for a livein register. void handleLiveInRegister(MachineBasicBlock* mbb, - MachineInstrIndex MIIdx, + LiveIndex MIIdx, LiveInterval &interval, bool isAlias = false); /// getReMatImplicitUse - If the remat definition MI has one (for now, we @@ -478,7 +478,7 @@ namespace llvm { /// which reaches the given instruction also reaches the specified use /// index. bool isValNoAvailableAt(const LiveInterval &li, MachineInstr *MI, - MachineInstrIndex UseIdx) const; + LiveIndex UseIdx) const; /// isReMaterializable - Returns true if the definition MI of the specified /// val# of the specified interval is re-materializable. Also returns true @@ -493,7 +493,7 @@ namespace llvm { /// MI. If it is successul, MI is updated with the newly created MI and /// returns true. bool tryFoldMemoryOperand(MachineInstr* &MI, VirtRegMap &vrm, - MachineInstr *DefMI, MachineInstrIndex InstrIdx, + MachineInstr *DefMI, LiveIndex InstrIdx, SmallVector<unsigned, 2> &Ops, bool isSS, int FrameIndex, unsigned Reg); @@ -507,7 +507,7 @@ namespace llvm { /// VNInfo that's after the specified index but is within the basic block. bool anyKillInMBBAfterIdx(const LiveInterval &li, const VNInfo *VNI, MachineBasicBlock *MBB, - MachineInstrIndex Idx) const; + LiveIndex Idx) const; /// hasAllocatableSuperReg - Return true if the specified physical register /// has any super register that's allocatable. @@ -515,17 +515,17 @@ namespace llvm { /// SRInfo - Spill / restore info. struct SRInfo { - MachineInstrIndex index; + LiveIndex index; unsigned vreg; bool canFold; - SRInfo(MachineInstrIndex i, unsigned vr, bool f) + SRInfo(LiveIndex i, unsigned vr, bool f) : index(i), vreg(vr), canFold(f) {} }; - bool alsoFoldARestore(int Id, MachineInstrIndex index, unsigned vr, + bool alsoFoldARestore(int Id, LiveIndex index, unsigned vr, BitVector &RestoreMBBs, DenseMap<unsigned,std::vector<SRInfo> >&RestoreIdxes); - void eraseRestoreInfo(int Id, MachineInstrIndex index, unsigned vr, + void eraseRestoreInfo(int Id, LiveIndex index, unsigned vr, BitVector &RestoreMBBs, DenseMap<unsigned,std::vector<SRInfo> >&RestoreIdxes); @@ -544,7 +544,7 @@ namespace llvm { /// functions for addIntervalsForSpills to rewrite uses / defs for the given /// live range. bool rewriteInstructionForSpills(const LiveInterval &li, const VNInfo *VNI, - bool TrySplit, MachineInstrIndex index, MachineInstrIndex end, + bool TrySplit, LiveIndex index, LiveIndex end, MachineInstr *MI, MachineInstr *OrigDefMI, MachineInstr *DefMI, unsigned Slot, int LdSlot, bool isLoad, bool isLoadSS, bool DefIsReMat, bool CanDelete, |