[LLVMdev] Loop depth concept

[Chris Lattner]

On Fri, 14 Mar 2008, Wojciech Matyjewicz wrote:
> Starting numbering from 0 in both cases will also be consistent, but in
> other way;) "depth" may be defined as the number of loops a BB/loop is
> contained in.
>
> What do you think?

Starting at 1 is consistent with the idea of treating the body of the 
containing function as loop depth 0.  Logically you can consider the 
function to be a "loop" which executes once per invocation.

-Chris

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