Insert new pre-header before new header. Original pre-header may
authorDevang Patel <dpatel@apple.com>
Mon, 9 Apr 2007 21:40:43 +0000 (21:40 +0000)
committerDevang Patel <dpatel@apple.com>
Mon, 9 Apr 2007 21:40:43 +0000 (21:40 +0000)
commitc415afc726fd106cdcc8b776ac2836612237e5d2
treef9e1d04f0de8f19b85903061a502287d3ed35887
parent050d541d081e39702ea61d6151167df755fb8067
Insert new pre-header before new header. Original pre-header may
happen to be an entry, in such case, it is not a good idea to
insert new block before entry.

Also fix typo in assertion check.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35833 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Transforms/Scalar/LoopRotation.cpp