[llvm-commits] [llvm] r66368 - in /llvm/trunk: lib/Transforms/Scalar/ScalarReplAggregates.cpp test/Transforms/ScalarRepl/vector_memcpy.ll

[Duncan Sands]

Hi Chris,

> >> teach SROA to handle promoting vector allocas with a memset into  
> >> them into
> >> a vector type instead of into an integer type.
> >
> > this is only valid if the vector doesn't have holes in it (eg vector  
> > of
> > x86 long double).  Is that checked somewhere?
> 
> Why do you think that?

well, I'm not sure what you are doing but it sounds like you want
to do a vector copy rather than an integer copy/memset.  Such a
copy is only ok if the vector has no holes.  But perhaps the patch
does something else?

Ciao,

Duncan.