[all-commits] [llvm/llvm-project] d15823: [LVI] Compute SPF range even if one operands is ov...

[Nikita Popov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d15823e3006bd3c5f19388e5cb6bc0cdcba9c2b2
      https://github.com/llvm/llvm-project/commit/d15823e3006bd3c5f19388e5cb6bc0cdcba9c2b2
  Author: Nikita Popov <npopov at redhat.com>
  Date:   2022-01-18 (Tue, 18 Jan 2022)

  Changed paths:
    M llvm/lib/Analysis/LazyValueInfo.cpp
    M llvm/test/Transforms/CorrelatedValuePropagation/basic.ll

  Log Message:
  -----------
  [LVI] Compute SPF range even if one operands is overdefined

If we have a constant range for one operand but not the other,
we can generally still compute a useful results for SPF min/max.