Michael Liao 0787274b70 Fix PR14161
- Check index being extracted to be constant 0 before simplfiying.
  Otherwise, retain the original sequence.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166504 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-23 21:40:15 +00:00
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2012-10-10 01:45:52 +00:00
2012-10-23 21:40:15 +00:00