[llvm-commits] [llvm] r79880 - /llvm/trunk/test/ExecutionEngine/2007-12-14-LittleEndian.ll

[Chris Lattner]

On Aug 24, 2009, at 12:53 AM, Duncan Sands wrote:

> Hi Chris,
>
>> Remove this test now that the interpreter doesn't support
>> interpreting the wrong endianness anymore.  This fixes a
>> failure on clang-powerpc-darwin8
>
> what's the reason for removing this feature?  I taught the interpreter
> how to do loads and stores etc of the wrong endianness in a moment of
> boredom.  That's probably where this test comes from.  While it is not
> the world's most useful feature, I thought it might be useful for
> debugging endianness problems when you don't have access to a machine
> with that endianness.

IMO it's a useless feature.  Endianness isn't the only problem, things  
like struct field alignment, pointer size, and many other things will  
conspire to make the code not work.

-Chris