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Clear spilled list at once. Remove unused vector. 

llvm-svn: 15073
This commit is contained in:
Alkis Evlogimenos 2004-07-21 12:00:10 +00:00
parent a3efc03731
commit 701071a144
1 changed files with 2 additions and 3 deletions
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5
llvm/lib/CodeGen/RegAllocIterativeScan.cpp
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@ -161,14 +161,14 @@ bool RA::runOnMachineFunction(MachineFunction &fn) {
// the spill code and restart the algorithm
std::set<unsigned> spilledRegs;
for (IntervalPtrs::iterator
i = spilled_.begin(); i != spilled_.end(); ) {
i = spilled_.begin(); i != spilled_.end(); ++i) {
int slot = vrm_->assignVirt2StackSlot((*i)->reg);
std::vector<LiveInterval*> added =
li_->addIntervalsForSpills(**i, *vrm_, slot);
std::copy(added.begin(), added.end(), std::back_inserter(handled_));
spilledRegs.insert((*i)->reg);
i = spilled_.erase(i);
}
spilled_.clear();
for (IntervalPtrs::iterator
i = handled_.begin(); i != handled_.end(); )
if (spilledRegs.count((*i)->reg))
@ -415,7 +415,6 @@ void RA::assignRegOrSpillAtInterval(IntervalPtrs::value_type cur)
// otherwise we spill all intervals aliasing the register with
// minimum weight, assigned the newly cleared register to the
// current interval and continue
std::vector<LiveInterval*> added;
assert(MRegisterInfo::isPhysicalRegister(minReg) &&
"did not choose a register to spill?");
std::vector<bool> toSpill(mri_->getNumRegs(), false);