[PATCH] D86196: [Attributor] Handle CallBase case in AAValueConstantRange::initialize

[Shinji Okumura via Phabricator via llvm-commits]

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Currently, although we handle `CallBase` case in updateImpl, we give up in initialize in the case.
That is problematic when we propagate a range from call site returned position to floating position.


https://reviews.llvm.org/D86196

Files:
  llvm/lib/Transforms/IPO/AttributorAttributes.cpp
  llvm/test/Transforms/Attributor/internalize.ll
  llvm/test/Transforms/Attributor/range.ll

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