Calculate the split penalty upfront.

This is
a) More efficient.
b) Important as we move forward with further metrics for penalty.

No functional changes intended.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173801 91177308-0d34-0410-b5e6-96231b3b80d8
Fix a crash in OpenCL code by using the proper (RHS) bit-width.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173802 91177308-0d34-0410-b5e6-96231b3b80d8
Fix uninitialized error caused by r173801.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173803 91177308-0d34-0410-b5e6-96231b3b80d8
Split ">>" in "A<B<C> >" in Chromium style.

It needs to be compatible with C++03.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173805 91177308-0d34-0410-b5e6-96231b3b80d8