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Clean up debug output.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110940 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen 2010-08-12 18:50:55 +00:00
parent 6da9cee0f1
commit e1f543fbb3
2 changed files with 32 additions and 34 deletions
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2
lib/CodeGen/CalcSpillWeights.cpp
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@ -201,8 +201,6 @@ void VirtRegAuxInfo::CalculateRegClass(unsigned reg) {
// This could happen if reg is only used by COPY instructions, so we may need
// to improve on this.
if (rcs.empty()) {
DEBUG(dbgs() << "Not inflating unconstrained" << orc->getName() << ":%reg"
<< reg << ".\n");
return;
}

64
lib/CodeGen/SplitKit.cpp
View File

@ -72,11 +72,10 @@ void SplitAnalysis::analyzeUses() {
if (MachineLoop *Loop = loops_.getLoopFor(MBB))
usingLoops_.insert(Loop);
}
DEBUG(dbgs() << "Counted "
DEBUG(dbgs() << " counted "
<< usingInstrs_.size() << " instrs, "
<< usingBlocks_.size() << " blocks, "
<< usingLoops_.size() << " loops in "
<< *curli_ << "\n");
<< usingLoops_.size() << " loops.\n");
}
// Get three sets of basic blocks surrounding a loop: Blocks inside the loop,
@ -226,7 +225,7 @@ const MachineLoop *SplitAnalysis::getBestSplitLoop() {
// FIXME: We need an SSA updater to properly handle multiple exit blocks.
if (Blocks.Exits.size() > 1) {
DEBUG(dbgs() << "MultipleExits: " << **I);
DEBUG(dbgs() << " multiple exits from " << **I);
continue;
}
@ -239,15 +238,16 @@ const MachineLoop *SplitAnalysis::getBestSplitLoop() {
LPS = &SecondLoops;
break;
case ContainedInLoop:
DEBUG(dbgs() << "ContainedInLoop: " << **I);
DEBUG(dbgs() << " contained in " << **I);
continue;
case SinglePeripheral:
DEBUG(dbgs() << "SinglePeripheral: " << **I);
DEBUG(dbgs() << " single peripheral use in " << **I);
continue;
}
// Will it be possible to split around this loop?
getCriticalExits(Blocks, CriticalExits);
DEBUG(dbgs() << CriticalExits.size() << " critical exits: " << **I);
DEBUG(dbgs() << " " << CriticalExits.size() << " critical exits from "
<< **I);
if (!canSplitCriticalExits(Blocks, CriticalExits))
continue;
// This is a possible split.
@ -255,8 +255,8 @@ const MachineLoop *SplitAnalysis::getBestSplitLoop() {
LPS->insert(*I);
}
DEBUG(dbgs() << "Got " << Loops.size() << " + " << SecondLoops.size()
<< " candidate loops\n");
DEBUG(dbgs() << " getBestSplitLoop found " << Loops.size() << " + "
<< SecondLoops.size() << " candidate loops.\n");
// If there are no first class loops available, look at second class loops.
if (Loops.empty())
@ -275,7 +275,7 @@ const MachineLoop *SplitAnalysis::getBestSplitLoop() {
if (!Best || Idx < BestIdx)
Best = *I, BestIdx = Idx;
}
DEBUG(dbgs() << "Best: " << *Best);
DEBUG(dbgs() << " getBestSplitLoop found " << *Best);
return Best;
}
@ -345,7 +345,6 @@ LiveInterval *SplitEditor::getDupLI() {
// Create an interval for dupli that is a copy of curli.
dupli_ = createInterval();
dupli_->Copy(*curli_, &mri_, lis_.getVNInfoAllocator());
DEBUG(dbgs() << "SplitEditor DupLI: " << *dupli_ << '\n');
}
return dupli_;
}
@ -396,7 +395,7 @@ void SplitEditor::enterIntvBefore(SlotIndex Idx) {
assert(!mapVNI && "enterIntvBefore called more than once for the same value");
mapVNI = VNI;
}
DEBUG(dbgs() << " enterIntvBefore " << Idx << ": " << *openli_ << '\n');
DEBUG(dbgs() << " enterIntvBefore " << Idx << ": " << *openli_ << '\n');
}
/// enterIntvAtEnd - Enter openli at the end of MBB.
@ -408,7 +407,7 @@ void SplitEditor::enterIntvAtEnd(MachineBasicBlock &A, MachineBasicBlock &B) {
SlotIndex EndA = lis_.getMBBEndIdx(&A);
VNInfo *CurVNIA = curli_->getVNInfoAt(EndA.getPrevIndex());
if (!CurVNIA) {
DEBUG(dbgs() << " ignoring enterIntvAtEnd, curli not live out of BB#"
DEBUG(dbgs() << " enterIntvAtEnd, curli not live out of BB#"
<< A.getNumber() << ".\n");
return;
}
@ -426,7 +425,7 @@ void SplitEditor::enterIntvAtEnd(MachineBasicBlock &A, MachineBasicBlock &B) {
SlotIndex EndB = lis_.getMBBEndIdx(&B);
const LiveRange *CurB = curli_->getLiveRangeContaining(StartB);
if (!CurB) {
DEBUG(dbgs() << " enterIntvAtEnd: curli not live in to BB#"
DEBUG(dbgs() << " enterIntvAtEnd: curli not live in to BB#"
<< B.getNumber() << ".\n");
return;
}
@ -451,7 +450,7 @@ void SplitEditor::enterIntvAtEnd(MachineBasicBlock &A, MachineBasicBlock &B) {
}
DEBUG(dbgs() << " enterIntvAtEnd: " << *openli_ << '\n');
DEBUG(dbgs() << " enterIntvAtEnd: " << *openli_ << '\n');
}
/// useIntv - indicate that all instructions in MBB should use openli.
@ -479,7 +478,7 @@ void SplitEditor::useIntv(SlotIndex Start, SlotIndex End) {
for (;I != E && I->start < End; ++I)
openli_->addRange(LiveRange(I->start, std::min(End, I->end),
mapValue(I->valno)));
DEBUG(dbgs() << " added range [" << Start << ';' << End << "): " << *openli_
DEBUG(dbgs() << " use [" << Start << ';' << End << "): " << *openli_
<< '\n');
}
@ -489,13 +488,13 @@ void SplitEditor::leaveIntvAfter(SlotIndex Idx) {
const LiveRange *CurLR = curli_->getLiveRangeContaining(Idx.getDefIndex());
if (!CurLR || CurLR->end <= Idx.getBoundaryIndex()) {
DEBUG(dbgs() << " leaveIntvAfter at " << Idx << ": not live\n");
DEBUG(dbgs() << " leaveIntvAfter " << Idx << ": not live\n");
return;
}
// Was this value of curli live through openli?
if (!openli_->liveAt(CurLR->valno->def)) {
DEBUG(dbgs() << " leaveIntvAfter " << Idx << ": using external value\n");
DEBUG(dbgs() << " leaveIntvAfter " << Idx << ": using external value\n");
liveThrough_ = true;
return;
}
@ -513,7 +512,7 @@ void SplitEditor::leaveIntvAfter(SlotIndex Idx) {
openli_->addRange(LiveRange(Idx.getDefIndex(), CopyIdx,
mapValue(CurLR->valno)));
DupLR->valno->def = CopyIdx;
DEBUG(dbgs() << " leaveIntvAfter " << Idx << ": " << *openli_ << '\n');
DEBUG(dbgs() << " leaveIntvAfter " << Idx << ": " << *openli_ << '\n');
}
/// leaveIntvAtTop - Leave the interval at the top of MBB.
@ -526,7 +525,7 @@ void SplitEditor::leaveIntvAtTop(MachineBasicBlock &MBB) {
// Is curli even live-in to MBB?
if (!CurLR) {
DEBUG(dbgs() << " leaveIntvAtTop at " << Start << ": not live\n");
DEBUG(dbgs() << " leaveIntvAtTop at " << Start << ": not live\n");
return;
}
@ -537,7 +536,7 @@ void SplitEditor::leaveIntvAtTop(MachineBasicBlock &MBB) {
// If MBB is using a value of curli that was defined outside the openli range,
// we don't want to copy it back here.
if (!isPHIDef && !openli_->liveAt(CurLR->valno->def)) {
DEBUG(dbgs() << " leaveIntvAtTop at " << Start
DEBUG(dbgs() << " leaveIntvAtTop at " << Start
<< ": using external value\n");
liveThrough_ = true;
return;
@ -567,7 +566,7 @@ void SplitEditor::leaveIntvAtTop(MachineBasicBlock &MBB) {
DupLR->valno->setIsPHIDef(false);
} else {
// The dupli value was defined somewhere inside the openli range.
DEBUG(dbgs() << " leaveIntvAtTop source value defined at "
DEBUG(dbgs() << " leaveIntvAtTop source value defined at "
<< DupLR->valno->def << "\n");
// FIXME: We may not need a PHI here if all predecessors have the same
// value.
@ -583,7 +582,7 @@ void SplitEditor::leaveIntvAtTop(MachineBasicBlock &MBB) {
DupLR->valno->setIsPHIDef(false);
}
DEBUG(dbgs() << " leaveIntvAtTop at " << Idx << ": " << *openli_ << '\n');
DEBUG(dbgs() << " leaveIntvAtTop at " << Idx << ": " << *openli_ << '\n');
}
/// closeIntv - Indicate that we are done editing the currently open
@ -591,11 +590,11 @@ void SplitEditor::leaveIntvAtTop(MachineBasicBlock &MBB) {
void SplitEditor::closeIntv() {
assert(openli_ && "openIntv not called before closeIntv");
DEBUG(dbgs() << " closeIntv cleaning up\n");
DEBUG(dbgs() << " closeIntv cleaning up\n");
DEBUG(dbgs() << " open " << *openli_ << '\n');
if (liveThrough_) {
DEBUG(dbgs() << " value live through region, leaving dupli as is.\n");
DEBUG(dbgs() << " value live through region, leaving dupli as is.\n");
} else {
// live out with copies inserted, or killed by region. Either way we need to
// remove the overlapping region from dupli.
@ -638,9 +637,10 @@ void SplitEditor::rewrite() {
break;
}
}
if (LI)
if (LI) {
MO.setReg(LI->reg);
DEBUG(dbgs() << "rewrite " << Idx << '\t' << *MI);
DEBUG(dbgs() << " rewrite " << Idx << '\t' << *MI);
}
}
// dupli_ goes in last, after rewriting.
@ -655,8 +655,8 @@ void SplitEditor::rewrite() {
LiveInterval &li = *intervals_[i];
vrai.CalculateRegClass(li.reg);
vrai.CalculateWeightAndHint(li);
DEBUG(dbgs() << "new intv " << mri_.getRegClass(li.reg)->getName() << ":"
<< li << '\n');
DEBUG(dbgs() << " new interval " << mri_.getRegClass(li.reg)->getName()
<< ":" << li << '\n');
}
}
@ -711,7 +711,7 @@ bool SplitEditor::splitAroundLoop(const MachineLoop *Loop) {
/// basic block in Blocks. Return true if curli has been completely replaced,
/// false if curli is still intact, and needs to be spilled or split further.
bool SplitEditor::splitSingleBlocks(const SplitAnalysis::BlockPtrSet &Blocks) {
DEBUG(dbgs() << "splitSingleBlocks for " << Blocks.size() << " blocks.\n");
DEBUG(dbgs() << " splitSingleBlocks for " << Blocks.size() << " blocks.\n");
// Determine the first and last instruction using curli in each block.
typedef std::pair<SlotIndex,SlotIndex> IndexPair;
typedef DenseMap<const MachineBasicBlock*,IndexPair> IndexPairMap;
@ -722,7 +722,7 @@ bool SplitEditor::splitSingleBlocks(const SplitAnalysis::BlockPtrSet &Blocks) {
if (!Blocks.count(MBB))
continue;
SlotIndex Idx = lis_.getInstructionIndex(*I);
DEBUG(dbgs() << "BB#" << MBB->getNumber() << '\t' << Idx << '\t' << **I);
DEBUG(dbgs() << " BB#" << MBB->getNumber() << '\t' << Idx << '\t' << **I);
IndexPair &IP = MBBRange[MBB];
if (!IP.first.isValid() || Idx < IP.first)
IP.first = Idx;
@ -734,7 +734,7 @@ bool SplitEditor::splitSingleBlocks(const SplitAnalysis::BlockPtrSet &Blocks) {
for (SplitAnalysis::BlockPtrSet::const_iterator I = Blocks.begin(),
E = Blocks.end(); I != E; ++I) {
IndexPair &IP = MBBRange[*I];
DEBUG(dbgs() << "Splitting for BB#" << (*I)->getNumber() << ": ["
DEBUG(dbgs() << " splitting for BB#" << (*I)->getNumber() << ": ["
<< IP.first << ';' << IP.second << ")\n");
assert(IP.first.isValid() && IP.second.isValid());