[&](const OpcodeMapPair &Lhs, const OpcodeMapPair &Rhs) {
unsigned LhsIdx = Opcode2Index[Lhs.first];
unsigned RhsIdx = Opcode2Index[Rhs.first];
- std::pair<APInt, APInt> &LhsMasks = OpcodeMasks[LhsIdx];
- std::pair<APInt, APInt> &RhsMasks = OpcodeMasks[RhsIdx];
-
- if (LhsMasks.first != RhsMasks.first) {
- if (LhsMasks.first.countPopulation() <
- RhsMasks.first.countPopulation())
- return true;
- return LhsMasks.first.countLeadingZeros() >
- RhsMasks.first.countLeadingZeros();
- }
-
- if (LhsMasks.second != RhsMasks.second) {
- if (LhsMasks.second.countPopulation() <
- RhsMasks.second.countPopulation())
- return true;
- return LhsMasks.second.countLeadingZeros() >
- RhsMasks.second.countLeadingZeros();
- }
+ const std::pair<APInt, APInt> &LhsMasks = OpcodeMasks[LhsIdx];
+ const std::pair<APInt, APInt> &RhsMasks = OpcodeMasks[RhsIdx];
+
+ auto LessThan = [](const APInt &Lhs, const APInt &Rhs) {
+ unsigned LhsCountPopulation = Lhs.countPopulation();
+ unsigned RhsCountPopulation = Rhs.countPopulation();
+ return ((LhsCountPopulation < RhsCountPopulation) ||
+ ((LhsCountPopulation == RhsCountPopulation) &&
+ (Lhs.countLeadingZeros() > Rhs.countLeadingZeros())));
+ };
+
+ if (LhsMasks.first != RhsMasks.first)
+ return LessThan(LhsMasks.first, RhsMasks.first);
+
+ if (LhsMasks.second != RhsMasks.second)
+ return LessThan(LhsMasks.second, RhsMasks.second);
return LhsIdx < RhsIdx;
});