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Code cleanups, no functionality change

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26328 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-02-23 06:44:17 +00:00
parent e650a6b3f4
commit ffab42263a
1 changed files with 10 additions and 23 deletions
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33
lib/CodeGen/RegAllocLinearScan.cpp
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@ -651,26 +651,17 @@ void RA::assignRegOrStackSlotAtInterval(LiveInterval* cur)
IntervalPtrs::iterator it;
if ((it = FindIntervalInVector(active_, i)) != active_.end()) {
active_.erase(it);
if (MRegisterInfo::isPhysicalRegister(i->reg)) {
assert(0 && "daksjlfd");
prt_->delRegUse(i->reg);
assert(!MRegisterInfo::isPhysicalRegister(i->reg));
if (!spilled.count(i->reg))
unhandled_.push(i);
} else {
if (!spilled.count(i->reg))
unhandled_.push(i);
prt_->delRegUse(vrm_->getPhys(i->reg));
vrm_->clearVirt(i->reg);
}
prt_->delRegUse(vrm_->getPhys(i->reg));
vrm_->clearVirt(i->reg);
} else if ((it = FindIntervalInVector(inactive_, i)) != inactive_.end()) {
inactive_.erase(it);
if (MRegisterInfo::isPhysicalRegister(i->reg)) {
assert(0 && "daksjlfd");
assert(!MRegisterInfo::isPhysicalRegister(i->reg));
if (!spilled.count(i->reg))
unhandled_.push(i);
} else {
if (!spilled.count(i->reg))
unhandled_.push(i);
vrm_->clearVirt(i->reg);
}
vrm_->clearVirt(i->reg);
} else {
assert(MRegisterInfo::isVirtualRegister(i->reg) &&
"Can only allocate virtual registers!");
@ -694,11 +685,8 @@ void RA::assignRegOrStackSlotAtInterval(LiveInterval* cur)
HI->expiredAt(cur->beginNumber())) {
DEBUG(std::cerr << "\t\t\tundo changes for: " << *HI << '\n');
active_.push_back(std::make_pair(HI, HI->begin()));
if (MRegisterInfo::isPhysicalRegister(HI->reg)) {
assert(0 &&"sdflkajsdf");
prt_->addRegUse(HI->reg);
} else
prt_->addRegUse(vrm_->getPhys(HI->reg));
assert(!MRegisterInfo::isPhysicalRegister(HI->reg));
prt_->addRegUse(vrm_->getPhys(HI->reg));
}
}
@ -709,8 +697,7 @@ void RA::assignRegOrStackSlotAtInterval(LiveInterval* cur)
/// getFreePhysReg - return a free physical register for this virtual register
/// interval if we have one, otherwise return 0.
unsigned RA::getFreePhysReg(LiveInterval* cur)
{
unsigned RA::getFreePhysReg(LiveInterval *cur) {
std::vector<unsigned> inactiveCounts(mri_->getNumRegs(), 0);
unsigned MaxInactiveCount = 0;