Renamed MachineInstrIndex to LiveIndex.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83254 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Lang Hames
2009-10-03 04:21:37 +00:00
parent e2b208a5e1
commit cc3b0650f1
12 changed files with 402 additions and 402 deletions

View File

@@ -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,