[llvm-dev] how to get LoopInfo in FunctionPass in LLVM3.7.0

Marcello Maggioni via llvm-dev llvm-dev at lists.llvm.org
Tue Oct 27 23:41:34 PDT 2015


You are not giving enough information to understand what your problem is , but chances are that you didn’t add the LoopInfo pass into the required passes of your pass

Cheers,
Marcello
> On Oct 27, 2015, at 11:16 PM, Q Z via llvm-dev <llvm-dev at lists.llvm.org> wrote:
> 
> I want get some loop information(the methods are included in LoopInfo class) ,but when I use "const LoopInfo *LI=&getAnalysis<LoopInfo>()", I got a compiler error.
> the version of LLVM is 3.7.0.
> 
> can anyone help me?please give me some example.thank you!
>  
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