tree a38f289fcd4d8cbb94ba239ed6398803d89f81e9
parent 887c1fe7010d6f487ce246df6e2fc18eeb4eaa05
author Andrew Trick <atrick@apple.com> 1352171626 +0000
committer Andrew Trick <atrick@apple.com> 1352171626 +0000

ScheduleDAG interface. Added OrderKind to distinguish nonregister dependencies.

This is in preparation for adding "weak" DAG edges, but generally
simplifies the design.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167435 91177308-0d34-0410-b5e6-96231b3b80d8