Merging r199917:

------------------------------------------------------------------------
r199917 | thomas.stellard | 2014-01-23 10:49:31 -0800 (Thu, 23 Jan 2014) | 6 lines

R600: Correctly handle vertex fetch clauses the precede ENDIFs

The control flow finalizer would sometimes use an ALU_POP_AFTER
instruction before the vetex fetch clause instead of using a POP
instruction after it.

llvm-svn: 204639