ScopInfo/IndependentBlocks: clang-format

git-svn-id: https://llvm.org/svn/llvm-project/polly/trunk@187023 91177308-0d34-0410-b5e6-96231b3b80d8
ScopDetect: Add some test cases for sequential loops

git-svn-id: https://llvm.org/svn/llvm-project/polly/trunk@187024 91177308-0d34-0410-b5e6-96231b3b80d8