misched: handle scheduler that insert instructions at empty region boundaries.
authorAndrew Trick <atrick@apple.com>
Fri, 9 Mar 2012 22:34:56 +0000 (22:34 +0000)
committerAndrew Trick <atrick@apple.com>
Fri, 9 Mar 2012 22:34:56 +0000 (22:34 +0000)
commitfe4d6df5c706c2ada666d95c25b8f460e30b1336
tree230fef770283ff205c08e26b7c815c3c56f30878
parent58dfaa14651f36fc9fce2031eb011e65ae267b9f
misched: handle scheduler that insert instructions at empty region boundaries.

And add comments, since this is obviously confusing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152445 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/MachineScheduler.cpp