Enable "#pragma omp declare simd" in the LoopVectorizer

I have sent out an equivalent RFC email for this functionality, as
requested in the review https://reviews.llvm.org/D27250

Please use the new thread with “RFC” in it.

Thanks,

Francesco

On 30/11/2016 11:46, "llvm-dev on behalf of Francesco Petrogalli via
llvm-dev" <llvm-dev-bounces@lists.llvm.org on behalf of