Revert "[mips] Reordering callseq* nodes to be linear"

This reverts commit r314507, because the original patch is causing test
failures.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@316215 91177308-0d34-0410-b5e6-96231b3b80d8
8 files changed