Proceedings of the 24th ACM SIGPLAN-SIGACT symposium on Principles of programming languages
The design and implementation of a certifying compiler
PLDI '98 Proceedings of the ACM SIGPLAN 1998 conference on Programming language design and implementation
Translation validation for an optimizing compiler
PLDI '00 Proceedings of the ACM SIGPLAN 2000 conference on Programming language design and implementation
TACAS '98 Proceedings of the 4th International Conference on Tools and Algorithms for Construction and Analysis of Systems
CVC: A Cooperating Validity Checker
CAV '02 Proceedings of the 14th International Conference on Computer Aided Verification
Automatically proving the correctness of compiler optimizations
PLDI '03 Proceedings of the ACM SIGPLAN 2003 conference on Programming language design and implementation
Translation and Run-Time Validation of Loop Transformations
Formal Methods in System Design
Formal verification of a memory model for C-like imperative languages
ICFEM'05 Proceedings of the 7th international conference on Formal Methods and Software Engineering
TVOC: a translation validator for optimizing compilers
CAV'05 Proceedings of the 17th international conference on Computer Aided Verification
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Translation validation is a technique for ensuring that a translator, such as a compiler, produces correct results. Because complete verification of the translator itself is often infeasible, translation validation advocates coupling the verification task with the translation task, so that each run of the translator produces verification conditions which, if valid, prove the correctness of the translation. In previous work, the translation validation approach was used to give a framework for proving the correctness of a variety of compiler optimizations, with a recent focus on loop transformations. However, some of these ideas were preliminary and had not been implemented. Additionally, there were examples of common loop transformations which could not be handled by our previous approaches. This paper addresses these issues. We introduce a new rule Reduce for loop reduction transformations, and we generalize our previous rule Validate so that it can handle more transformations involving loops. We then describe how all of this (including some previous theoretical work) is implemented in our compiler validation tool TVOC.