[PATCH] D120136: [VRP] Construct constant range from xor operation

[Joseph Faulls via Phabricator via llvm-commits]

Joe created this revision.
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Retains information when two constant ranges are xor'd together. This is
only possible if both constant ranges do not range over signage.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D120136

Files:
  llvm/lib/Analysis/LazyValueInfo.cpp
  llvm/lib/IR/ConstantRange.cpp
  llvm/test/Transforms/CorrelatedValuePropagation/xor.ll
  llvm/unittests/IR/ConstantRangeTest.cpp

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