Track IR ordering of SelectionDAG nodes 1/4.
authorAndrew Trick <atrick@apple.com>
Sat, 25 May 2013 02:20:36 +0000 (02:20 +0000)
committerAndrew Trick <atrick@apple.com>
Sat, 25 May 2013 02:20:36 +0000 (02:20 +0000)
commitea5db0c315f1ab8ee3be52e0e765c32d3efff024
tree338f0dfe81b13a885ee66f37782169a82da15823
parentba3500e4d2f7a8646ea0f5a1acfaed832f8e062e
Track IR ordering of SelectionDAG nodes 1/4.

Use a field in the SelectionDAGNode object to track its IR ordering.
This adds fields and utility classes without changing existing
interfaces or functionality.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182701 91177308-0d34-0410-b5e6-96231b3b80d8
include/llvm/CodeGen/SelectionDAGNodes.h
lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h