[PATCH] D43759: [SCEV] Add one more case in computeConstantDifference

[Max Kazantsev via Phabricator via llvm-commits]

mkazantsev updated this revision to Diff 139766.
mkazantsev marked an inline comment as done.
mkazantsev added a comment.

Added some tests.


https://reviews.llvm.org/D43759

Files:
  lib/Analysis/ScalarEvolution.cpp
  test/Transforms/IndVarSimplify/promote-iv-to-eliminate-casts.ll

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