[cfe-dev] A tool for generating reduced headers for test cases (delta debugging)

Devang Patel dpatel at apple.com
Wed Jul 9 11:32:22 PDT 2008

On Jul 9, 2008, at 1:49 AM, Nikita Zhuk wrote:

> Hi,
> Several clang analysis test cases written in ObjC contain the
> following comment line in their header: "These declarations were
> reduced using Delta-Debugging from Foundation.h on Mac OS X.". Are
> there some instructions about tools which should be used to generate
> such reduced headers? Being able to do so would make it possible to
> report bugs by using runnable test cases, and those test cases could
> be eventually included with the clang itself.

Here is a small guide to use delta to reduce test cases. The guide is  
GCC specific but you can use it to understand how to use delta to  
reduce clang test cases.



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