Replace std::cerr uses of the "DEBUG" macro with "DOUT" instead. Removes

a #include of iostream.

llvm-svn: 31800
This commit is contained in:
Bill Wendling 2006-11-17 00:50:36 +00:00
parent e4e113818f
commit 0ae0a45ebe

View File

@ -29,7 +29,6 @@
#include "llvm/Support/Debug.h"
#include "llvm/Support/Compiler.h"
#include <algorithm>
#include <iostream>
#include <set>
#include <queue>
#include <memory>
@ -138,14 +137,14 @@ namespace {
template <typename ItTy>
void printIntervals(const char* const str, ItTy i, ItTy e) const {
if (str) std::cerr << str << " intervals:\n";
if (str) DOUT << str << " intervals:\n";
for (; i != e; ++i) {
std::cerr << "\t" << *i->first << " -> ";
DOUT << "\t" << *i->first << " -> ";
unsigned reg = i->first->reg;
if (MRegisterInfo::isVirtualRegister(reg)) {
reg = vrm_->getPhys(reg);
}
std::cerr << mri_->getName(reg) << '\n';
DOUT << mri_->getName(reg) << '\n';
}
}
};
@ -243,9 +242,8 @@ void RA::initIntervalSets()
void RA::linearScan()
{
// linear scan algorithm
DEBUG(std::cerr << "********** LINEAR SCAN **********\n");
DEBUG(std::cerr << "********** Function: "
<< mf_->getFunction()->getName() << '\n');
DOUT << "********** LINEAR SCAN **********\n";
DOUT << "********** Function: " << mf_->getFunction()->getName() << '\n';
// DEBUG(printIntervals("unhandled", unhandled_.begin(), unhandled_.end()));
DEBUG(printIntervals("fixed", fixed_.begin(), fixed_.end()));
@ -257,7 +255,7 @@ void RA::linearScan()
LiveInterval* cur = unhandled_.top();
unhandled_.pop();
++numIterations;
DEBUG(std::cerr << "\n*** CURRENT ***: " << *cur << '\n');
DOUT << "\n*** CURRENT ***: " << *cur << '\n';
processActiveIntervals(cur->beginNumber());
processInactiveIntervals(cur->beginNumber());
@ -280,7 +278,7 @@ void RA::linearScan()
for (IntervalPtrs::reverse_iterator
i = active_.rbegin(); i != active_.rend(); ) {
unsigned reg = i->first->reg;
DEBUG(std::cerr << "\tinterval " << *i->first << " expired\n");
DOUT << "\tinterval " << *i->first << " expired\n";
assert(MRegisterInfo::isVirtualRegister(reg) &&
"Can only allocate virtual registers!");
reg = vrm_->getPhys(reg);
@ -291,18 +289,18 @@ void RA::linearScan()
// expire any remaining inactive intervals
for (IntervalPtrs::reverse_iterator
i = inactive_.rbegin(); i != inactive_.rend(); ) {
DEBUG(std::cerr << "\tinterval " << *i->first << " expired\n");
DOUT << "\tinterval " << *i->first << " expired\n";
i = IntervalPtrs::reverse_iterator(inactive_.erase(i.base()-1));
}
DEBUG(std::cerr << *vrm_);
DOUT << *vrm_;
}
/// processActiveIntervals - expire old intervals and move non-overlapping ones
/// to the inactive list.
void RA::processActiveIntervals(unsigned CurPoint)
{
DEBUG(std::cerr << "\tprocessing active intervals:\n");
DOUT << "\tprocessing active intervals:\n";
for (unsigned i = 0, e = active_.size(); i != e; ++i) {
LiveInterval *Interval = active_[i].first;
@ -312,7 +310,7 @@ void RA::processActiveIntervals(unsigned CurPoint)
IntervalPos = Interval->advanceTo(IntervalPos, CurPoint);
if (IntervalPos == Interval->end()) { // Remove expired intervals.
DEBUG(std::cerr << "\t\tinterval " << *Interval << " expired\n");
DOUT << "\t\tinterval " << *Interval << " expired\n";
assert(MRegisterInfo::isVirtualRegister(reg) &&
"Can only allocate virtual registers!");
reg = vrm_->getPhys(reg);
@ -325,7 +323,7 @@ void RA::processActiveIntervals(unsigned CurPoint)
} else if (IntervalPos->start > CurPoint) {
// Move inactive intervals to inactive list.
DEBUG(std::cerr << "\t\tinterval " << *Interval << " inactive\n");
DOUT << "\t\tinterval " << *Interval << " inactive\n";
assert(MRegisterInfo::isVirtualRegister(reg) &&
"Can only allocate virtual registers!");
reg = vrm_->getPhys(reg);
@ -348,7 +346,7 @@ void RA::processActiveIntervals(unsigned CurPoint)
/// ones to the active list.
void RA::processInactiveIntervals(unsigned CurPoint)
{
DEBUG(std::cerr << "\tprocessing inactive intervals:\n");
DOUT << "\tprocessing inactive intervals:\n";
for (unsigned i = 0, e = inactive_.size(); i != e; ++i) {
LiveInterval *Interval = inactive_[i].first;
@ -358,7 +356,7 @@ void RA::processInactiveIntervals(unsigned CurPoint)
IntervalPos = Interval->advanceTo(IntervalPos, CurPoint);
if (IntervalPos == Interval->end()) { // remove expired intervals.
DEBUG(std::cerr << "\t\tinterval " << *Interval << " expired\n");
DOUT << "\t\tinterval " << *Interval << " expired\n";
// Pop off the end of the list.
inactive_[i] = inactive_.back();
@ -366,7 +364,7 @@ void RA::processInactiveIntervals(unsigned CurPoint)
--i; --e;
} else if (IntervalPos->start <= CurPoint) {
// move re-activated intervals in active list
DEBUG(std::cerr << "\t\tinterval " << *Interval << " active\n");
DOUT << "\t\tinterval " << *Interval << " active\n";
assert(MRegisterInfo::isVirtualRegister(reg) &&
"Can only allocate virtual registers!");
reg = vrm_->getPhys(reg);
@ -416,7 +414,7 @@ static void RevertVectorIteratorsTo(RA::IntervalPtrs &V, unsigned Point) {
/// spill.
void RA::assignRegOrStackSlotAtInterval(LiveInterval* cur)
{
DEBUG(std::cerr << "\tallocating current interval: ");
DOUT << "\tallocating current interval: ";
PhysRegTracker backupPrt = *prt_;
@ -516,14 +514,14 @@ void RA::assignRegOrStackSlotAtInterval(LiveInterval* cur)
// the free physical register and add this interval to the active
// list.
if (physReg) {
DEBUG(std::cerr << mri_->getName(physReg) << '\n');
DOUT << mri_->getName(physReg) << '\n';
vrm_->assignVirt2Phys(cur->reg, physReg);
prt_->addRegUse(physReg);
active_.push_back(std::make_pair(cur, cur->begin()));
handled_.push_back(cur);
return;
}
DEBUG(std::cerr << "no free registers\n");
DOUT << "no free registers\n";
// Compile the spill weights into an array that is better for scanning.
std::vector<float> SpillWeights(mri_->getNumRegs(), 0.0);
@ -541,7 +539,7 @@ void RA::assignRegOrStackSlotAtInterval(LiveInterval* cur)
updateSpillWeights(SpillWeights, reg, i->first->weight, mri_);
}
DEBUG(std::cerr << "\tassigning stack slot at interval "<< *cur << ":\n");
DOUT << "\tassigning stack slot at interval "<< *cur << ":\n";
// Find a register to spill.
float minWeight = HUGE_VALF;
@ -575,14 +573,14 @@ void RA::assignRegOrStackSlotAtInterval(LiveInterval* cur)
minReg = *RC->allocation_order_begin(*mf_);
}
DEBUG(std::cerr << "\t\tregister with min weight: "
<< mri_->getName(minReg) << " (" << minWeight << ")\n");
DOUT << "\t\tregister with min weight: "
<< mri_->getName(minReg) << " (" << minWeight << ")\n";
// if the current has the minimum weight, we need to spill it and
// add any added intervals back to unhandled, and restart
// linearscan.
if (cur->weight != HUGE_VALF && cur->weight <= minWeight) {
DEBUG(std::cerr << "\t\t\tspilling(c): " << *cur << '\n';);
DOUT << "\t\t\tspilling(c): " << *cur << '\n';
int slot = vrm_->assignVirt2StackSlot(cur->reg);
std::vector<LiveInterval*> added =
li_->addIntervalsForSpills(*cur, *vrm_, slot);
@ -634,7 +632,7 @@ void RA::assignRegOrStackSlotAtInterval(LiveInterval* cur)
if (//MRegisterInfo::isVirtualRegister(reg) &&
toSpill[vrm_->getPhys(reg)] &&
cur->overlapsFrom(*i->first, i->second)) {
DEBUG(std::cerr << "\t\t\tspilling(a): " << *i->first << '\n');
DOUT << "\t\t\tspilling(a): " << *i->first << '\n';
earliestStart = std::min(earliestStart, i->first->beginNumber());
int slot = vrm_->assignVirt2StackSlot(i->first->reg);
std::vector<LiveInterval*> newIs =
@ -648,7 +646,7 @@ void RA::assignRegOrStackSlotAtInterval(LiveInterval* cur)
if (//MRegisterInfo::isVirtualRegister(reg) &&
toSpill[vrm_->getPhys(reg)] &&
cur->overlapsFrom(*i->first, i->second-1)) {
DEBUG(std::cerr << "\t\t\tspilling(i): " << *i->first << '\n');
DOUT << "\t\t\tspilling(i): " << *i->first << '\n';
earliestStart = std::min(earliestStart, i->first->beginNumber());
int slot = vrm_->assignVirt2StackSlot(reg);
std::vector<LiveInterval*> newIs =
@ -658,7 +656,7 @@ void RA::assignRegOrStackSlotAtInterval(LiveInterval* cur)
}
}
DEBUG(std::cerr << "\t\trolling back to: " << earliestStart << '\n');
DOUT << "\t\trolling back to: " << earliestStart << '\n';
// Scan handled in reverse order up to the earliest start of a
// spilled live interval and undo each one, restoring the state of
@ -668,7 +666,7 @@ void RA::assignRegOrStackSlotAtInterval(LiveInterval* cur)
// If this interval starts before t we are done.
if (i->beginNumber() < earliestStart)
break;
DEBUG(std::cerr << "\t\t\tundo changes for: " << *i << '\n');
DOUT << "\t\t\tundo changes for: " << *i << '\n';
handled_.pop_back();
// When undoing a live interval allocation we must know if it is active or
@ -708,7 +706,7 @@ void RA::assignRegOrStackSlotAtInterval(LiveInterval* cur)
LiveInterval *HI = handled_[i];
if (!HI->expiredAt(earliestStart) &&
HI->expiredAt(cur->beginNumber())) {
DEBUG(std::cerr << "\t\t\tundo changes for: " << *HI << '\n');
DOUT << "\t\t\tundo changes for: " << *HI << '\n';
active_.push_back(std::make_pair(HI, HI->begin()));
assert(!MRegisterInfo::isPhysicalRegister(HI->reg));
prt_->addRegUse(vrm_->getPhys(HI->reg));