various code cleanups, enhance MergeBlockIntoPredecessor to preserve
authorChris Lattner <sabre@nondot.org>
Sat, 8 Jan 2011 19:08:40 +0000 (19:08 +0000)
committerChris Lattner <sabre@nondot.org>
Sat, 8 Jan 2011 19:08:40 +0000 (19:08 +0000)
commitdc85f8ab808aec2f673262f5145eda58538cfb26
treeab24fffaae8e64d3a9f1b0a06051d7dd169b5a39
parenta1ae0c74affb3672e75c6d9984dc092886f48454
various code cleanups, enhance MergeBlockIntoPredecessor to preserve
loop info.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123074 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Transforms/Utils/BasicBlockUtils.cpp