Update a bunch of stale comments that dated from when this folled the
authorChandler Carruth <chandlerc@gmail.com>
Tue, 26 Jun 2012 05:16:37 +0000 (05:16 +0000)
committerChandler Carruth <chandlerc@gmail.com>
Tue, 26 Jun 2012 05:16:37 +0000 (05:16 +0000)
commitc04f816afd1ad9a1c3746f894556b6bea0cac8fc
treebbc86ce11e601b105cd6903008487450024a8add
parent952caee4f66a968f54588cca48215a5008283ea3
Update a bunch of stale comments that dated from when this folled the
very first (and worst) placement algorithm. These should now more
accurately reflect the reality of the pass.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159185 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/MachineBlockPlacement.cpp