SLP Vectorier:  Don't vectorize really short chains because they are already handled by the SelectionDAG store-vectorizer, which does a better job in deciding when to vectorize.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187267 91177308-0d34-0410-b5e6-96231b3b80d8
Propagate pipefail when cloning.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187268 91177308-0d34-0410-b5e6-96231b3b80d8
Move the default back to pipefail. I accidentally reverted it before.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187271 91177308-0d34-0410-b5e6-96231b3b80d8