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Commit 1077d2a3 authored by Chris Lattner's avatar Chris Lattner
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Fix Transforms/LoopUnroll/2007-05-05-UnrollMiscomp.ll and PR1385. 

If we have a LCSSA, only modify the input value if the inval was defined
by an instruction in the loop.  If defined by something before the loop,
it is still valid.

llvm-svn: 36784
parent 580d824e
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