[all-commits] [llvm/llvm-project] 818579: [LVI][CVP] Treat undef like a full range (#68190)

[DianQK via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 81857940f278e21f7957a2833d4b6ec72819e79f
      https://github.com/llvm/llvm-project/commit/81857940f278e21f7957a2833d4b6ec72819e79f
  Author: DianQK <dianqk at dianqk.net>
  Date:   2023-10-10 (Tue, 10 Oct 2023)

  Changed paths:
    M llvm/lib/Analysis/LazyValueInfo.cpp
    M llvm/test/Transforms/CorrelatedValuePropagation/merge-range-and-undef.ll

  Log Message:
  -----------
  [LVI][CVP] Treat undef like a full range (#68190)

When converting to ConstantRange, we should treat undef like a full range.
Fixes #68381.