Sanjoy Das 351db05308 [NFC] Introduce a 'struct Range' for IRCE ...

Use the struct instead of a std::pair<Value *, Value *>.  This makes a
Range an obviously immutable object, and we can now assert that a
range is well-typed (Begin->getType() == End->getType()) on its
construction.

llvm-svn: 226804

2015-01-22 09:32:02 +00:00

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