[LLVMdev] How to calculate the transformation performed by a transformation pass?

[Rafael Parizi]

How do I know how much a  transform  modified a program?
For example, if I have a program that has 4 loops and another with 1 loop,
and if I apply the loop-rotate pass, is sure that the first program will be
more modified which the second program. Am I right?

If yes,  how do I to calculate this transformation?

-- 
*Rafael Parizi*
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