Remove #includes from the commonly used LoopInfo.h.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174786 91177308-0d34-0410-b5e6-96231b3b80d8
LSR IVChain improvement.

Handle chains in which the same offset is used for both loads and
stores to the same array.

Fixes rdar://11410078.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174789 91177308-0d34-0410-b5e6-96231b3b80d8
Remove unneeded #includes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174790 91177308-0d34-0410-b5e6-96231b3b80d8
Remove trailing spaces.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174791 91177308-0d34-0410-b5e6-96231b3b80d8