[llvm-dev] LLVM Pass to count reachable BB
Krzysztof Parzyszek via llvm-dev
llvm-dev at lists.llvm.org
Fri Jan 11 10:00:23 PST 2019
On 1/11/2019 12:28 AM, hameeza ahmed via llvm-dev wrote:
> I have code containing conditions and loops. Hence some BB execution are
> determined at run time depending on condition. Now I want to count only
> those BB that are always executed irrespective of condition result means
> reachable. and their execution is evident at compile time.
> How to do this?
You can find the set of all dominators of the exit block. Would that
give you what you want?
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