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Nikolai Bozhenov bb986bef44 [SCEV] Return zero from computeConstantDifference(X, X)
Without this patch computeConstantDifference returns None for cases like
these:

  computeConstantDifference(%x, %x)
  computeConstantDifference({%x,+,16}, {%x,+,16})

Differential Revision: https://reviews.llvm.org/D65474

llvm-svn: 368193
2019-08-07 17:38:38 +00:00
..