restore some code I removed in r85788, refactor it into
authorChris Lattner <sabre@nondot.org>
Mon, 2 Nov 2009 06:28:16 +0000 (06:28 +0000)
committerChris Lattner <sabre@nondot.org>
Mon, 2 Nov 2009 06:28:16 +0000 (06:28 +0000)
commite01985c95f63e96f3620c27fee6d8b33c2d0bbf8
tree6644f94069d4f4fb1878bd1bfe53a7a1f166ed2b
parent574fa9e83caf11a65b3dec6e901f65d076ae3dde
restore some code I removed in r85788, refactor it into
a shared place instead of duplicating it 4 times.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85792 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Transforms/Scalar/SCCP.cpp