Chris Lattner decc86db0c Fix a bug where we could corrupt a parent loop's header info if we unrolled
a nested loop.  This fixes Transforms/LoopUnroll/2005-03-06-BadLoopInfoUpdate.ll
and PR532


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20493 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-06 20:57:32 +00:00
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