class RegUseTracker {
typedef DenseMap<const SCEV *, RegSortData> RegUsesTy;
- RegUsesTy RegUses;
+ RegUsesTy RegUsesMap;
SmallVector<const SCEV *, 16> RegSequence;
public:
void
RegUseTracker::CountRegister(const SCEV *Reg, size_t LUIdx) {
std::pair<RegUsesTy::iterator, bool> Pair =
- RegUses.insert(std::make_pair(Reg, RegSortData()));
+ RegUsesMap.insert(std::make_pair(Reg, RegSortData()));
RegSortData &RSD = Pair.first->second;
if (Pair.second)
RegSequence.push_back(Reg);
bool
RegUseTracker::isRegUsedByUsesOtherThan(const SCEV *Reg, size_t LUIdx) const {
- if (!RegUses.count(Reg)) return false;
+ if (!RegUsesMap.count(Reg)) return false;
const SmallBitVector &UsedByIndices =
- RegUses.find(Reg)->second.UsedByIndices;
+ RegUsesMap.find(Reg)->second.UsedByIndices;
int i = UsedByIndices.find_first();
if (i == -1) return false;
if ((size_t)i != LUIdx) return true;
}
const SmallBitVector &RegUseTracker::getUsedByIndices(const SCEV *Reg) const {
- RegUsesTy::const_iterator I = RegUses.find(Reg);
- assert(I != RegUses.end() && "Unknown register!");
+ RegUsesTy::const_iterator I = RegUsesMap.find(Reg);
+ assert(I != RegUsesMap.end() && "Unknown register!");
return I->second.UsedByIndices;
}
void RegUseTracker::clear() {
- RegUses.clear();
+ RegUsesMap.clear();
RegSequence.clear();
}