Comment and revise the cyclic critical path code.
authorAndrew Trick <atrick@apple.com>
Thu, 29 Aug 2013 18:04:49 +0000 (18:04 +0000)
committerAndrew Trick <atrick@apple.com>
Thu, 29 Aug 2013 18:04:49 +0000 (18:04 +0000)
commit851bb2c9cbbd3b1847def5ca7ea8dadf457298b5
treeb4f08a1adb25153efb2e5b94f4b6bbd8cd33a413
parent33f4c796ac2c373ed18e882431ba3661d24c2cfa
Comment and revise the cyclic critical path code.

This should be much more clear now. It's still disabled pending testing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189597 91177308-0d34-0410-b5e6-96231b3b80d8
include/llvm/CodeGen/MachineScheduler.h
include/llvm/CodeGen/ScheduleDAGInstrs.h
lib/CodeGen/MachineScheduler.cpp
lib/CodeGen/ScheduleDAGInstrs.cpp