Modify diagnostic messages to clearly indicate the why interleaving wasn't done.

Sometimes interleaving is not beneficial, as determined by the cost-model and sometimes it is disabled by a loop hint (by the user). This patch modifies the diagnostic messages to make it clear why interleaving wasn't done.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@244485 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed