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Change errs() to dbgs().

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92529 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Greene 2010-01-04 22:49:02 +00:00
parent 5242154b55
commit 8a34229dcf
1 changed files with 47 additions and 47 deletions
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94
lib/CodeGen/LiveIntervalAnalysis.cpp
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@ -146,7 +146,7 @@ void LiveIntervals::printInstrs(raw_ostream &OS) const {
}
void LiveIntervals::dumpInstrs() const {
printInstrs(errs());
printInstrs(dbgs());
}
bool LiveIntervals::conflictsWithPhysReg(const LiveInterval &li,
@ -253,9 +253,9 @@ bool LiveIntervals::conflictsWithPhysRegRef(LiveInterval &li,
#ifndef NDEBUG
static void printRegName(unsigned reg, const TargetRegisterInfo* tri_) {
if (TargetRegisterInfo::isPhysicalRegister(reg))
errs() << tri_->getName(reg);
dbgs() << tri_->getName(reg);
else
errs() << "%reg" << reg;
dbgs() << "%reg" << reg;
}
#endif
@ -266,7 +266,7 @@ void LiveIntervals::handleVirtualRegisterDef(MachineBasicBlock *mbb,
unsigned MOIdx,
LiveInterval &interval) {
DEBUG({
errs() << "\t\tregister: ";
dbgs() << "\t\tregister: ";
printRegName(interval.reg, tri_);
});
@ -314,7 +314,7 @@ void LiveIntervals::handleVirtualRegisterDef(MachineBasicBlock *mbb,
"Shouldn't be alive across any blocks!");
LiveRange LR(defIndex, killIdx, ValNo);
interval.addRange(LR);
DEBUG(errs() << " +" << LR << "\n");
DEBUG(dbgs() << " +" << LR << "\n");
ValNo->addKill(killIdx);
return;
}
@ -325,7 +325,7 @@ void LiveIntervals::handleVirtualRegisterDef(MachineBasicBlock *mbb,
// 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), ValNo);
DEBUG(errs() << " +" << NewLR);
DEBUG(dbgs() << " +" << NewLR);
interval.addRange(NewLR);
// Iterate over all of the blocks that the variable is completely
@ -336,7 +336,7 @@ void LiveIntervals::handleVirtualRegisterDef(MachineBasicBlock *mbb,
MachineBasicBlock *aliveBlock = mf_->getBlockNumbered(*I);
LiveRange LR(getMBBStartIdx(aliveBlock), getMBBEndIdx(aliveBlock), ValNo);
interval.addRange(LR);
DEBUG(errs() << " +" << LR);
DEBUG(dbgs() << " +" << LR);
}
// Finally, this virtual register is live from the start of any killing
@ -348,7 +348,7 @@ void LiveIntervals::handleVirtualRegisterDef(MachineBasicBlock *mbb,
LiveRange LR(getMBBStartIdx(Kill->getParent()), killIdx, ValNo);
interval.addRange(LR);
ValNo->addKill(killIdx);
DEBUG(errs() << " +" << LR);
DEBUG(dbgs() << " +" << LR);
}
} else {
@ -393,7 +393,7 @@ void LiveIntervals::handleVirtualRegisterDef(MachineBasicBlock *mbb,
// Add the new live interval which replaces the range for the input copy.
LiveRange LR(DefIndex, RedefIndex, ValNo);
DEBUG(errs() << " replace range with " << LR);
DEBUG(dbgs() << " replace range with " << LR);
interval.addRange(LR);
ValNo->addKill(RedefIndex);
@ -404,8 +404,8 @@ void LiveIntervals::handleVirtualRegisterDef(MachineBasicBlock *mbb,
OldValNo));
DEBUG({
errs() << " RESULT: ";
interval.print(errs(), tri_);
dbgs() << " RESULT: ";
interval.print(dbgs(), tri_);
});
} else {
// Otherwise, this must be because of phi elimination. If this is the
@ -422,8 +422,8 @@ void LiveIntervals::handleVirtualRegisterDef(MachineBasicBlock *mbb,
SlotIndex Start = getMBBStartIdx(Killer->getParent());
SlotIndex End = getInstructionIndex(Killer).getDefIndex();
DEBUG({
errs() << "\n\t\trenaming [" << Start << "," << End << "] in: ";
interval.print(errs(), tri_);
dbgs() << "\n\t\trenaming [" << Start << "," << End << "] in: ";
interval.print(dbgs(), tri_);
});
interval.removeRange(Start, End);
@ -442,8 +442,8 @@ void LiveIntervals::handleVirtualRegisterDef(MachineBasicBlock *mbb,
VNI->addKill(indexes_->getTerminatorGap(killMBB));
VNI->setHasPHIKill(true);
DEBUG({
errs() << " RESULT: ";
interval.print(errs(), tri_);
dbgs() << " RESULT: ";
interval.print(dbgs(), tri_);
});
}
@ -469,11 +469,11 @@ void LiveIntervals::handleVirtualRegisterDef(MachineBasicBlock *mbb,
interval.addRange(LR);
ValNo->addKill(indexes_->getTerminatorGap(mbb));
ValNo->setHasPHIKill(true);
DEBUG(errs() << " +" << LR);
DEBUG(dbgs() << " +" << LR);
}
}
DEBUG(errs() << '\n');
DEBUG(dbgs() << '\n');
}
void LiveIntervals::handlePhysicalRegisterDef(MachineBasicBlock *MBB,
@ -485,7 +485,7 @@ void LiveIntervals::handlePhysicalRegisterDef(MachineBasicBlock *MBB,
// A physical register cannot be live across basic block, so its
// lifetime must end somewhere in its defining basic block.
DEBUG({
errs() << "\t\tregister: ";
dbgs() << "\t\tregister: ";
printRegName(interval.reg, tri_);
});
@ -502,7 +502,7 @@ void LiveIntervals::handlePhysicalRegisterDef(MachineBasicBlock *MBB,
// For earlyclobbers, the defSlot was pushed back one; the extra
// advance below compensates.
if (MO.isDead()) {
DEBUG(errs() << " dead");
DEBUG(dbgs() << " dead");
end = start.getStoreIndex();
goto exit;
}
@ -517,7 +517,7 @@ void LiveIntervals::handlePhysicalRegisterDef(MachineBasicBlock *MBB,
baseIndex = indexes_->getNextNonNullIndex(baseIndex);
if (mi->killsRegister(interval.reg, tri_)) {
DEBUG(errs() << " killed");
DEBUG(dbgs() << " killed");
end = baseIndex.getDefIndex();
goto exit;
} else {
@ -531,7 +531,7 @@ void LiveIntervals::handlePhysicalRegisterDef(MachineBasicBlock *MBB,
// Then the register is essentially dead at the instruction that defines
// it. Hence its interval is:
// [defSlot(def), defSlot(def)+1)
DEBUG(errs() << " dead");
DEBUG(dbgs() << " dead");
end = start.getStoreIndex();
}
goto exit;
@ -560,7 +560,7 @@ exit:
LiveRange LR(start, end, ValNo);
interval.addRange(LR);
LR.valno->addKill(end);
DEBUG(errs() << " +" << LR << '\n');
DEBUG(dbgs() << " +" << LR << '\n');
}
void LiveIntervals::handleRegisterDef(MachineBasicBlock *MBB,
@ -595,7 +595,7 @@ void LiveIntervals::handleLiveInRegister(MachineBasicBlock *MBB,
SlotIndex MIIdx,
LiveInterval &interval, bool isAlias) {
DEBUG({
errs() << "\t\tlivein register: ";
dbgs() << "\t\tlivein register: ";
printRegName(interval.reg, tri_);
});
@ -612,7 +612,7 @@ void LiveIntervals::handleLiveInRegister(MachineBasicBlock *MBB,
while (mi != MBB->end()) {
if (mi->killsRegister(interval.reg, tri_)) {
DEBUG(errs() << " killed");
DEBUG(dbgs() << " killed");
end = baseIndex.getDefIndex();
SeenDefUse = true;
break;
@ -621,7 +621,7 @@ void LiveIntervals::handleLiveInRegister(MachineBasicBlock *MBB,
// Then the register is essentially dead at the instruction that defines
// it. Hence its interval is:
// [defSlot(def), defSlot(def)+1)
DEBUG(errs() << " dead");
DEBUG(dbgs() << " dead");
end = start.getStoreIndex();
SeenDefUse = true;
break;
@ -636,10 +636,10 @@ void LiveIntervals::handleLiveInRegister(MachineBasicBlock *MBB,
// Live-in register might not be used at all.
if (!SeenDefUse) {
if (isAlias) {
DEBUG(errs() << " dead");
DEBUG(dbgs() << " dead");
end = MIIdx.getStoreIndex();
} else {
DEBUG(errs() << " live through");
DEBUG(dbgs() << " live through");
end = baseIndex;
}
}
@ -652,7 +652,7 @@ void LiveIntervals::handleLiveInRegister(MachineBasicBlock *MBB,
interval.addRange(LR);
LR.valno->addKill(end);
DEBUG(errs() << " +" << LR << '\n');
DEBUG(dbgs() << " +" << LR << '\n');
}
/// computeIntervals - computes the live intervals for virtual
@ -660,7 +660,7 @@ void LiveIntervals::handleLiveInRegister(MachineBasicBlock *MBB,
/// live interval is an interval [i, j) where 1 <= i <= j < N for
/// which a variable is live
void LiveIntervals::computeIntervals() {
DEBUG(errs() << "********** COMPUTING LIVE INTERVALS **********\n"
DEBUG(dbgs() << "********** COMPUTING LIVE INTERVALS **********\n"
<< "********** Function: "
<< ((Value*)mf_->getFunction())->getName() << '\n');
@ -670,7 +670,7 @@ void LiveIntervals::computeIntervals() {
MachineBasicBlock *MBB = MBBI;
// Track the index of the current machine instr.
SlotIndex MIIndex = getMBBStartIdx(MBB);
DEBUG(errs() << MBB->getName() << ":\n");
DEBUG(dbgs() << MBB->getName() << ":\n");
MachineBasicBlock::iterator MI = MBB->begin(), miEnd = MBB->end();
@ -690,7 +690,7 @@ void LiveIntervals::computeIntervals() {
MIIndex = indexes_->getNextNonNullIndex(MIIndex);
for (; MI != miEnd; ++MI) {
DEBUG(errs() << MIIndex << "\t" << *MI);
DEBUG(dbgs() << MIIndex << "\t" << *MI);
// Handle defs.
for (int i = MI->getNumOperands() - 1; i >= 0; --i) {
@ -1055,7 +1055,7 @@ rewriteInstructionForSpills(const LiveInterval &li, const VNInfo *VNI,
// If this is the rematerializable definition MI itself and
// all of its uses are rematerialized, simply delete it.
if (MI == ReMatOrigDefMI && CanDelete) {
DEBUG(errs() << "\t\t\t\tErasing re-materlizable def: "
DEBUG(dbgs() << "\t\t\t\tErasing re-materlizable def: "
<< MI << '\n');
RemoveMachineInstrFromMaps(MI);
vrm.RemoveMachineInstrFromMaps(MI);
@ -1208,28 +1208,28 @@ rewriteInstructionForSpills(const LiveInterval &li, const VNInfo *VNI,
if (CreatedNewVReg) {
LiveRange LR(index.getLoadIndex(), index.getDefIndex(),
nI.getNextValue(SlotIndex(), 0, false, VNInfoAllocator));
DEBUG(errs() << " +" << LR);
DEBUG(dbgs() << " +" << LR);
nI.addRange(LR);
} else {
// Extend the split live interval to this def / use.
SlotIndex End = index.getDefIndex();
LiveRange LR(nI.ranges[nI.ranges.size()-1].end, End,
nI.getValNumInfo(nI.getNumValNums()-1));
DEBUG(errs() << " +" << LR);
DEBUG(dbgs() << " +" << LR);
nI.addRange(LR);
}
}
if (HasDef) {
LiveRange LR(index.getDefIndex(), index.getStoreIndex(),
nI.getNextValue(SlotIndex(), 0, false, VNInfoAllocator));
DEBUG(errs() << " +" << LR);
DEBUG(dbgs() << " +" << LR);
nI.addRange(LR);
}
DEBUG({
errs() << "\t\t\t\tAdded new interval: ";
nI.print(errs(), tri_);
errs() << '\n';
dbgs() << "\t\t\t\tAdded new interval: ";
nI.print(dbgs(), tri_);
dbgs() << '\n';
});
}
return CanFold;
@ -1557,9 +1557,9 @@ addIntervalsForSpillsFast(const LiveInterval &li,
"attempt to spill already spilled interval!");
DEBUG({
errs() << "\t\t\t\tadding intervals for spills for interval: ";
dbgs() << "\t\t\t\tadding intervals for spills for interval: ";
li.dump();
errs() << '\n';
dbgs() << '\n';
});
const TargetRegisterClass* rc = mri_->getRegClass(li.reg);
@ -1610,7 +1610,7 @@ addIntervalsForSpillsFast(const LiveInterval &li,
LiveRange LR(index.getLoadIndex(), index.getUseIndex(),
nI.getNextValue(SlotIndex(), 0, false,
getVNInfoAllocator()));
DEBUG(errs() << " +" << LR);
DEBUG(dbgs() << " +" << LR);
nI.addRange(LR);
vrm.addRestorePoint(NewVReg, MI);
}
@ -1618,7 +1618,7 @@ addIntervalsForSpillsFast(const LiveInterval &li,
LiveRange LR(index.getDefIndex(), index.getStoreIndex(),
nI.getNextValue(SlotIndex(), 0, false,
getVNInfoAllocator()));
DEBUG(errs() << " +" << LR);
DEBUG(dbgs() << " +" << LR);
nI.addRange(LR);
vrm.addSpillPoint(NewVReg, true, MI);
}
@ -1626,9 +1626,9 @@ addIntervalsForSpillsFast(const LiveInterval &li,
added.push_back(&nI);
DEBUG({
errs() << "\t\t\t\tadded new interval: ";
dbgs() << "\t\t\t\tadded new interval: ";
nI.dump();
errs() << '\n';
dbgs() << '\n';
});
}
@ -1651,9 +1651,9 @@ addIntervalsForSpills(const LiveInterval &li,
"attempt to spill already spilled interval!");
DEBUG({
errs() << "\t\t\t\tadding intervals for spills for interval: ";
li.print(errs(), tri_);
errs() << '\n';
dbgs() << "\t\t\t\tadding intervals for spills for interval: ";
li.print(dbgs(), tri_);
dbgs() << '\n';
});
// Each bit specify whether a spill is required in the MBB.