[llvm-commits] Please review the patch for IntegersSubsetMapping

[Stepan Dyatkovskiy]

The patch contains optimization for case when both of subsets contains 
single numbers only.
Stepan Dyatkovskiy wrote:
> Hello guys.
> Ping.
> Stepan Dyatkovskiy wrote:
>> A few words about diff operation.
>> Let we have two subsets of integers. diff operation per signle pass
>> allows to calculate
>> LHS exclude RHS
>> RHS exclude LHS
>> and
>> LHS intersect RHS.
>>
>> Subset is represented as set of ranges and single numbers.
>> Generic algorithm may be greatly optimized for case when both of subsets
>> contains single numbers only.
>> Some optimizations are possible when one of LHS or RHS contains big
>> amount of single numbers.
>>
>> -Stepan.
>>
>>
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