[llvm-dev] LLVM Use Def Analysis (original) (raw)

张雨姗(ZHANG Yushan)-11310380 via llvm-dev llvm-dev at lists.llvm.org
Sun Jan 20 01:34:02 PST 2019

Hi Pascal,

I think what your mentioned as "data dependencies" is data-flow analysis,

and I guess "data dependencies" you want is "def-use chain".

I searched and think this simple implementation may work for you: https://github.com/nsumner/llvm-dataflow-analysis

If you want a more complete and strong analysis, you could check SVF: https://github.com/SVF-tools/SVF

(sorry, I forgot to cc mailing-list in the last email)

Bests, Yushan

------------------ Original ------------------ From: "Pascal Dominik Hefter via llvm-dev"<llvm-dev at lists.llvm.org>; Date: Fri, Jan 18, 2019 08:15 PM To: "llvm-dev"<llvm-dev at lists.llvm.org>; Subject: [llvm-dev] LLVM Use Def Analysis

Dear LLVM Developers,

I am a student at TU Darmstadt and I am currently working with LLVM in
a project to extract data dependencies from a program.

Since I want to use a use-def chain but didn't find a corresponding
Pass in LLVM, I would like to ask you, if there is an existing
LLVM-Pass for use-def analysis.

I am looking forward to hearing from you.

Best regards, Pascal Hefter

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