Stepan Dyatkovskiy a6c8cc307b Fixed r158979. ...

Original message:
Performance optimizations:
- SwitchInst: case values stored separately from Operands List. It allows to make faster access to individual case value numbers or ranges.
- Optimized IntItem, added APInt value caching.
- Optimized IntegersSubsetGeneric: added optimizations for cases when subset is single number or when subset consists from single numbers only.

llvm-svn: 158997

2012-06-22 14:53:30 +00:00

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