diff options
author | Lang Hames <lhames@gmail.com> | 2009-09-12 03:34:03 +0000 |
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committer | Lang Hames <lhames@gmail.com> | 2009-09-12 03:34:03 +0000 |
commit | 35f291d2c5f80e8e713704190230064311bbbbbe (patch) | |
tree | 69620cc7fbeb013f5a0e48f8d8c5f74857dce068 /lib | |
parent | 2a46f3678e9fea3cf25b08eb6fe5d9be6b24d2c7 (diff) | |
download | external_llvm-35f291d2c5f80e8e713704190230064311bbbbbe.zip external_llvm-35f291d2c5f80e8e713704190230064311bbbbbe.tar.gz external_llvm-35f291d2c5f80e8e713704190230064311bbbbbe.tar.bz2 |
Moved some more index operations over to LiveIntervals.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81605 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
-rw-r--r-- | lib/CodeGen/LiveInterval.cpp | 2 | ||||
-rw-r--r-- | lib/CodeGen/LiveIntervalAnalysis.cpp | 100 |
2 files changed, 51 insertions, 51 deletions
diff --git a/lib/CodeGen/LiveInterval.cpp b/lib/CodeGen/LiveInterval.cpp index 4eb3eab..38b9401 100644 --- a/lib/CodeGen/LiveInterval.cpp +++ b/lib/CodeGen/LiveInterval.cpp @@ -167,7 +167,7 @@ void LiveInterval::extendIntervalEndTo(Ranges::iterator I, MachineInstrIndex New ranges.erase(next(I), MergeTo); // Update kill info. - ValNo->removeKills(OldEnd, I->end.prevSlot()); + ValNo->removeKills(OldEnd, I->end.prevSlot_()); // If the newly formed range now touches the range after it and if they have // the same value number, merge the two ranges into one range. diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp index 5095e08..0c67149 100644 --- a/lib/CodeGen/LiveIntervalAnalysis.cpp +++ b/lib/CodeGen/LiveIntervalAnalysis.cpp @@ -278,7 +278,7 @@ void LiveIntervals::computeNumbering() { MachineInstrIndex StartIdx = MIIndex; // Insert an empty slot at the beginning of each block. - MIIndex = MIIndex.nextIndex(); + MIIndex = getNextIndex(MIIndex); i2miMap_.push_back(0); for (MachineBasicBlock::iterator I = MBB->begin(), E = MBB->end(); @@ -295,14 +295,14 @@ void LiveIntervals::computeNumbering() { inserted = inserted; // Avoid compiler warning if assertions turned off. i2miMap_.push_back(0); - MIIndex = MIIndex.nextIndex(); + MIIndex = getNextIndex(MIIndex); } bool inserted = mi2iMap_.insert(std::make_pair(I, MIIndex)).second; assert(inserted && "multiple MachineInstr -> index mappings"); inserted = true; i2miMap_.push_back(I); - MIIndex = MIIndex.nextIndex(); + MIIndex = getNextIndex(MIIndex); FunctionSize++; // Insert max(1, numdefs) empty slots after every instruction. @@ -310,7 +310,7 @@ void LiveIntervals::computeNumbering() { if (Slots == 0) Slots = 1; while (Slots--) { - MIIndex = MIIndex.nextIndex(); + MIIndex = getNextIndex(MIIndex); i2miMap_.push_back(0); } @@ -327,11 +327,11 @@ void LiveIntervals::computeNumbering() { inserted = inserted; // Avoid compiler warning if assertions turned off. i2miMap_.push_back(0); - MIIndex = MIIndex.nextIndex(); + MIIndex = getNextIndex(MIIndex); } // Set the MBB2IdxMap entry for this MBB. - MBB2IdxMap[MBB->getNumber()] = std::make_pair(StartIdx, MIIndex.prevSlot()); + MBB2IdxMap[MBB->getNumber()] = std::make_pair(StartIdx, getPrevSlot(MIIndex)); Idx2MBBMap.push_back(std::make_pair(StartIdx, MBB)); } @@ -365,7 +365,7 @@ void LiveIntervals::computeNumbering() { // Remap the ending index in the same way that we remapped the start, // except for the final step where we always map to the immediately // following instruction. - index = (LI->end.prevSlot()).getVecIndex(); + index = (getPrevSlot(LI->end)).getVecIndex(); offset = LI->end.getSlot(); if (LI->end.isLoad()) { // VReg dies at end of block. @@ -373,7 +373,7 @@ void LiveIntervals::computeNumbering() { std::lower_bound(OldI2MBB.begin(), OldI2MBB.end(), LI->end); --I; - LI->end = getMBBEndIdx(I->second).nextSlot(); + LI->end = getNextSlot(getMBBEndIdx(I->second)); } else { unsigned idx = index; while (index < OldI2MI.size() && !OldI2MI[index]) ++index; @@ -414,7 +414,7 @@ void LiveIntervals::computeNumbering() { // Remap the VNInfo kill indices, which works the same as // the end indices above. for (size_t i = 0; i < vni->kills.size(); ++i) { - unsigned index = vni->kills[i].prevSlot().getVecIndex(); + unsigned index = getPrevSlot(vni->kills[i]).getVecIndex(); MachineInstrIndex::Slot offset = vni->kills[i].getSlot(); if (vni->kills[i].isLoad()) { @@ -552,11 +552,11 @@ bool LiveIntervals::conflictsWithPhysRegDef(const LiveInterval &li, for (LiveInterval::Ranges::const_iterator I = li.ranges.begin(), E = li.ranges.end(); I != E; ++I) { for (MachineInstrIndex index = getBaseIndex(I->start), - end = getBaseIndex(I->end.prevSlot()).nextIndex(); index != end; - index = index.nextIndex()) { + end = getNextIndex(getBaseIndex(getPrevSlot(I->end))); index != end; + index = getNextIndex(index)) { // skip deleted instructions while (index != end && !getInstructionFromIndex(index)) - index = index.nextIndex(); + index = getNextIndex(index); if (index == end) break; MachineInstr *MI = getInstructionFromIndex(index); @@ -593,15 +593,15 @@ bool LiveIntervals::conflictsWithPhysRegRef(LiveInterval &li, for (LiveInterval::Ranges::const_iterator I = li.ranges.begin(), E = li.ranges.end(); I != E; ++I) { for (MachineInstrIndex index = getBaseIndex(I->start), - end = getBaseIndex(I->end.prevSlot()).nextIndex(); index != end; - index = index.nextIndex()) { + end = getNextIndex(getBaseIndex(getPrevSlot(I->end))); index != end; + index = getNextIndex(index)) { // Skip deleted instructions. MachineInstr *MI = 0; while (index != end) { MI = getInstructionFromIndex(index); if (MI) break; - index = index.nextIndex(); + index = getNextIndex(index); } if (index == end) break; @@ -676,9 +676,9 @@ void LiveIntervals::handleVirtualRegisterDef(MachineBasicBlock *mbb, // FIXME: what about dead vars? MachineInstrIndex killIdx; if (vi.Kills[0] != mi) - killIdx = getUseIndex(getInstructionIndex(vi.Kills[0])).nextSlot(); + killIdx = getNextSlot(getUseIndex(getInstructionIndex(vi.Kills[0]))); else - killIdx = defIndex.nextSlot(); + killIdx = getNextSlot(defIndex); // If the kill happens after the definition, we have an intra-block // live range. @@ -697,7 +697,7 @@ void LiveIntervals::handleVirtualRegisterDef(MachineBasicBlock *mbb, // of the defining block, potentially live across some blocks, then is // live into some number of blocks, but gets killed. Start by adding a // range that goes from this definition to the end of the defining block. - LiveRange NewLR(defIndex, getMBBEndIdx(mbb).nextSlot(), ValNo); + LiveRange NewLR(defIndex, getNextSlot(getMBBEndIdx(mbb)), ValNo); DEBUG(errs() << " +" << NewLR); interval.addRange(NewLR); @@ -707,7 +707,7 @@ void LiveIntervals::handleVirtualRegisterDef(MachineBasicBlock *mbb, for (SparseBitVector<>::iterator I = vi.AliveBlocks.begin(), E = vi.AliveBlocks.end(); I != E; ++I) { LiveRange LR(getMBBStartIdx(*I), - getMBBEndIdx(*I).nextSlot(), // MBB ends at -1. + getNextSlot(getMBBEndIdx(*I)), // MBB ends at -1. ValNo); interval.addRange(LR); DEBUG(errs() << " +" << LR); @@ -718,7 +718,7 @@ void LiveIntervals::handleVirtualRegisterDef(MachineBasicBlock *mbb, for (unsigned i = 0, e = vi.Kills.size(); i != e; ++i) { MachineInstr *Kill = vi.Kills[i]; MachineInstrIndex killIdx = - getUseIndex(getInstructionIndex(Kill)).nextSlot(); + getNextSlot(getUseIndex(getInstructionIndex(Kill))); LiveRange LR(getMBBStartIdx(Kill->getParent()), killIdx, ValNo); interval.addRange(LR); @@ -743,7 +743,8 @@ void LiveIntervals::handleVirtualRegisterDef(MachineBasicBlock *mbb, if (MO.isEarlyClobber()) RedefIndex = getUseIndex(MIIdx); - const LiveRange *OldLR = interval.getLiveRangeContaining(RedefIndex.prevSlot()); + const LiveRange *OldLR = + interval.getLiveRangeContaining(getPrevSlot(RedefIndex)); VNInfo *OldValNo = OldLR->valno; // Delete the initial value, which should be short and continuous, @@ -776,8 +777,8 @@ void LiveIntervals::handleVirtualRegisterDef(MachineBasicBlock *mbb, // If this redefinition is dead, we need to add a dummy unit live // range covering the def slot. if (MO.isDead()) - interval.addRange(LiveRange(RedefIndex, - RedefIndex.nextSlot(), OldValNo)); + interval.addRange( + LiveRange(RedefIndex, getNextSlot(RedefIndex), OldValNo)); DEBUG({ errs() << " RESULT: "; @@ -796,7 +797,7 @@ void LiveIntervals::handleVirtualRegisterDef(MachineBasicBlock *mbb, MachineInstr *Killer = vi.Kills[0]; MachineInstrIndex Start = getMBBStartIdx(Killer->getParent()); MachineInstrIndex End = - getUseIndex(getInstructionIndex(Killer)).nextSlot(); + getNextSlot(getUseIndex(getInstructionIndex(Killer))); DEBUG({ errs() << " Removing [" << Start << "," << End << "] from: "; interval.print(errs(), tri_); @@ -845,7 +846,7 @@ void LiveIntervals::handleVirtualRegisterDef(MachineBasicBlock *mbb, CopyMI = mi; ValNo = interval.getNextValue(defIndex, CopyMI, true, VNInfoAllocator); - MachineInstrIndex killIndex = getMBBEndIdx(mbb).nextSlot(); + MachineInstrIndex killIndex = getNextSlot(getMBBEndIdx(mbb)); LiveRange LR(defIndex, killIndex, ValNo); interval.addRange(LR); ValNo->addKill(terminatorGaps[mbb]); @@ -882,21 +883,21 @@ void LiveIntervals::handlePhysicalRegisterDef(MachineBasicBlock *MBB, // [defSlot(def), defSlot(def)+1) if (MO.isDead()) { DEBUG(errs() << " dead"); - end = start.nextSlot(); + end = getNextSlot(start); goto exit; } // If it is not dead on definition, it must be killed by a // subsequent instruction. Hence its interval is: // [defSlot(def), useSlot(kill)+1) - baseIndex = baseIndex.nextIndex(); + baseIndex = getNextIndex(baseIndex); while (++mi != MBB->end()) { while (baseIndex.getVecIndex() < i2miMap_.size() && getInstructionFromIndex(baseIndex) == 0) - baseIndex = baseIndex.nextIndex(); + baseIndex = getNextIndex(baseIndex); if (mi->killsRegister(interval.reg, tri_)) { DEBUG(errs() << " killed"); - end = getUseIndex(baseIndex).nextSlot(); + end = getNextSlot(getUseIndex(baseIndex)); goto exit; } else { int DefIdx = mi->findRegisterDefOperandIdx(interval.reg, false, tri_); @@ -912,20 +913,20 @@ void LiveIntervals::handlePhysicalRegisterDef(MachineBasicBlock *MBB, // it. Hence its interval is: // [defSlot(def), defSlot(def)+1) DEBUG(errs() << " dead"); - end = start.nextSlot(); + end = getNextSlot(start); } goto exit; } } - baseIndex = baseIndex.nextIndex(); + baseIndex = getNextIndex(baseIndex); } // The only case we should have a dead physreg here without a killing or // instruction where we know it's dead is if it is live-in to the function // and never used. Another possible case is the implicit use of the // physical register has been deleted by two-address pass. - end = start.nextSlot(); + end = getNextSlot(start); exit: assert(start < end && "did not find end of interval?"); @@ -986,14 +987,14 @@ void LiveIntervals::handleLiveInRegister(MachineBasicBlock *MBB, MachineInstrIndex start = baseIndex; while (baseIndex.getVecIndex() < i2miMap_.size() && getInstructionFromIndex(baseIndex) == 0) - baseIndex = baseIndex.nextIndex(); + baseIndex = getNextIndex(baseIndex); MachineInstrIndex end = baseIndex; bool SeenDefUse = false; while (mi != MBB->end()) { if (mi->killsRegister(interval.reg, tri_)) { DEBUG(errs() << " killed"); - end = getUseIndex(baseIndex).nextSlot(); + end = getNextSlot(getUseIndex(baseIndex)); SeenDefUse = true; break; } else if (mi->modifiesRegister(interval.reg, tri_)) { @@ -1002,17 +1003,17 @@ void LiveIntervals::handleLiveInRegister(MachineBasicBlock *MBB, // it. Hence its interval is: // [defSlot(def), defSlot(def)+1) DEBUG(errs() << " dead"); - end = getDefIndex(start).nextSlot(); + end = getNextSlot(getDefIndex(start)); SeenDefUse = true; break; } - baseIndex = baseIndex.nextIndex(); + baseIndex = getNextIndex(baseIndex); ++mi; if (mi != MBB->end()) { while (baseIndex.getVecIndex() < i2miMap_.size() && getInstructionFromIndex(baseIndex) == 0) - baseIndex = baseIndex.nextIndex(); + baseIndex = getNextIndex(baseIndex); } } @@ -1020,7 +1021,7 @@ void LiveIntervals::handleLiveInRegister(MachineBasicBlock *MBB, if (!SeenDefUse) { if (isAlias) { DEBUG(errs() << " dead"); - end = getDefIndex(MIIdx).nextSlot(); + end = getNextSlot(getDefIndex(MIIdx)); } else { DEBUG(errs() << " live through"); end = baseIndex; @@ -1071,7 +1072,7 @@ void LiveIntervals::computeIntervals() { // Skip over empty initial indices. while (MIIndex.getVecIndex() < i2miMap_.size() && getInstructionFromIndex(MIIndex) == 0) - MIIndex = MIIndex.nextIndex(); + MIIndex = getNextIndex(MIIndex); for (; MI != miEnd; ++MI) { DEBUG(errs() << MIIndex << "\t" << *MI); @@ -1095,12 +1096,12 @@ void LiveIntervals::computeIntervals() { Slots = 1; while (Slots--) - MIIndex = MIIndex.nextIndex(); + MIIndex = getNextIndex(MIIndex); // Skip over empty indices. while (MIIndex.getVecIndex() < i2miMap_.size() && getInstructionFromIndex(MIIndex) == 0) - MIIndex = MIIndex.nextIndex(); + MIIndex = getNextIndex(MIIndex); } } @@ -1708,14 +1709,14 @@ rewriteInstructionForSpills(const LiveInterval &li, const VNInfo *VNI, if (HasUse) { if (CreatedNewVReg) { - LiveRange LR(getLoadIndex(index), getUseIndex(index).nextSlot(), + LiveRange LR(getLoadIndex(index), getNextSlot(getUseIndex(index)), nI.getNextValue(MachineInstrIndex(), 0, false, VNInfoAllocator)); DEBUG(errs() << " +" << LR); nI.addRange(LR); } else { // Extend the split live interval to this def / use. - MachineInstrIndex End = getUseIndex(index).nextSlot(); + MachineInstrIndex End = getNextSlot(getUseIndex(index)); LiveRange LR(nI.ranges[nI.ranges.size()-1].end, End, nI.getValNumInfo(nI.getNumValNums()-1)); DEBUG(errs() << " +" << LR); @@ -1792,7 +1793,7 @@ rewriteInstructionsForSpills(const LiveInterval &li, bool TrySplit, bool AllCanFold = true; unsigned NewVReg = 0; MachineInstrIndex start = getBaseIndex(I->start); - MachineInstrIndex end = getBaseIndex(I->end.prevSlot()).nextIndex(); + MachineInstrIndex end = getNextIndex(getBaseIndex(getPrevSlot(I->end))); // First collect all the def / use in this live range that will be rewritten. // Make sure they are sorted according to instruction index. @@ -2351,7 +2352,7 @@ addIntervalsForSpills(const LiveInterval &li, if (FoundUse) { // Also folded uses, do not issue a load. eraseRestoreInfo(Id, index, VReg, RestoreMBBs, RestoreIdxes); - nI.removeRange(getLoadIndex(index),getUseIndex(index).nextSlot()); + nI.removeRange(getLoadIndex(index), getNextSlot(getUseIndex(index))); } nI.removeRange(getDefIndex(index), getStoreIndex(index)); } @@ -2432,7 +2433,7 @@ addIntervalsForSpills(const LiveInterval &li, // If folding is not possible / failed, then tell the spiller to issue a // load / rematerialization for us. if (Folded) - nI.removeRange(getLoadIndex(index), getUseIndex(index).nextSlot()); + nI.removeRange(getLoadIndex(index), getNextSlot(getUseIndex(index))); else vrm.addRestorePoint(VReg, MI); } @@ -2534,7 +2535,7 @@ bool LiveIntervals::spillPhysRegAroundRegDefsUses(const LiveInterval &li, if (pli.liveAt(Index)) { vrm.addEmergencySpill(SpillReg, MI); MachineInstrIndex StartIdx = getLoadIndex(Index); - MachineInstrIndex EndIdx = getStoreIndex(Index).nextSlot(); + MachineInstrIndex EndIdx = getNextSlot(getStoreIndex(Index)); if (pli.isInOneLiveRange(StartIdx, EndIdx)) { pli.removeRange(StartIdx, EndIdx); Cut = true; @@ -2554,8 +2555,7 @@ bool LiveIntervals::spillPhysRegAroundRegDefsUses(const LiveInterval &li, continue; LiveInterval &spli = getInterval(*AS); if (spli.liveAt(Index)) - spli.removeRange(getLoadIndex(Index), - getStoreIndex(Index).nextSlot()); + spli.removeRange(getLoadIndex(Index), getNextSlot(getStoreIndex(Index))); } } } @@ -2572,7 +2572,7 @@ LiveRange LiveIntervals::addLiveRangeToEndOfBlock(unsigned reg, VN->kills.push_back(terminatorGaps[startInst->getParent()]); LiveRange LR( MachineInstrIndex(getInstructionIndex(startInst), MachineInstrIndex::DEF), - getMBBEndIdx(startInst->getParent()).nextSlot(), VN); + getNextSlot(getMBBEndIdx(startInst->getParent())), VN); Interval.addRange(LR); return LR; |