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Clear spilled list at once. Remove unused vector.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15073 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alkis Evlogimenos
2004-07-21 12:00:10 +00:00
parent 2d54705c4b
commit fc29e63afe
1 changed files with 2 additions and 3 deletions
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5
lib/CodeGen/RegAllocIterativeScan.cpp
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@ -161,14 +161,14 @@ bool RA::runOnMachineFunction(MachineFunction &fn) {
// the spill code and restart the algorithm // the spill code and restart the algorithm
std::set<unsigned> spilledRegs; std::set<unsigned> spilledRegs;
for (IntervalPtrs::iterator for (IntervalPtrs::iterator
i = spilled_.begin(); i != spilled_.end(); ) { i = spilled_.begin(); i != spilled_.end(); ++i) {
int slot = vrm_->assignVirt2StackSlot((*i)->reg); int slot = vrm_->assignVirt2StackSlot((*i)->reg);
std::vector<LiveInterval*> added = std::vector<LiveInterval*> added =
li_->addIntervalsForSpills(**i, *vrm_, slot); li_->addIntervalsForSpills(**i, *vrm_, slot);
std::copy(added.begin(), added.end(), std::back_inserter(handled_)); std::copy(added.begin(), added.end(), std::back_inserter(handled_));
spilledRegs.insert((*i)->reg); spilledRegs.insert((*i)->reg);
i = spilled_.erase(i);
} }
spilled_.clear();
for (IntervalPtrs::iterator for (IntervalPtrs::iterator
i = handled_.begin(); i != handled_.end(); ) i = handled_.begin(); i != handled_.end(); )
if (spilledRegs.count((*i)->reg)) 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 // otherwise we spill all intervals aliasing the register with
// minimum weight, assigned the newly cleared register to the // minimum weight, assigned the newly cleared register to the
// current interval and continue // current interval and continue
std::vector<LiveInterval*> added;
assert(MRegisterInfo::isPhysicalRegister(minReg) && assert(MRegisterInfo::isPhysicalRegister(minReg) &&
"did not choose a register to spill?"); "did not choose a register to spill?");
std::vector<bool> toSpill(mri_->getNumRegs(), false); std::vector<bool> toSpill(mri_->getNumRegs(), false);