[llvm-dev] Testing compiler reliability using Csmith

Vedant Kumar via llvm-dev llvm-dev at lists.llvm.org
Fri Dec 7 10:41:59 PST 2018


+ Zhendong, who’s done a lot of work on automated testing of llvm.

> On Dec 6, 2018, at 10:15 PM, Radu Ometita via llvm-dev <llvm-dev at lists.llvm.org> wrote:
> Hello everyone!
> We are working on writing a paper about testing the reliability of C compilers by using Csmith (a random C99 program generator).
> A previous testing effort, using Csmith, found 202 LLVM bugs, which represented 2% of all reported bugs at that time (PDF: https://www.flux.utah.edu/download?uid=114 <https://www.flux.utah.edu/download?uid=114>): . However, after this paper was published we are unaware of any further testing using Csmith, and we would like to ask you if you are aware of any such efforts or further results.

Just speaking for myself here, I use Csmith as part of my pre-commit testing.


> Best regards,
> Radu Ometita,
> Functional compilers engineer @IOHK
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