[PATCH] D11933: Extending debug ranges

Vikram TV via llvm-commits llvm-commits at lists.llvm.org
Wed Aug 26 09:15:55 PDT 2015


tvvikram added a comment.

In http://reviews.llvm.org/D11933#232146, @aprantl wrote:

> I just commented in the PR:
>
> > The debug range extension (http://reviews.llvm.org/D11933) is partially redundant with what LiveDebugVariables is trying to do here. The range extension pass is a full data flow analysis — this means we could simplify LiveDebugVariables and have it no longer attempt to extend the liveness of a DEBUG_VALUE beyond the end of a basic block.
>
>
> It's possible that simplifying LiveDebugVariables could make up some of the runtime that is spent in the debug range extension pass.


I added a comment in PR (https://llvm.org/bugs/show_bug.cgi?id=24563#c3)


http://reviews.llvm.org/D11933





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