clang-format this file.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182560 91177308-0d34-0410-b5e6-96231b3b80d8
Fix a leak on the r600 backend.

This should bring the valgrind bot back to life.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182561 91177308-0d34-0410-b5e6-96231b3b80d8