[all-commits] [llvm/llvm-project] 00ca80: [ConstantFold] Fix comparison between special poin...

[Nikita Popov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 00ca80938b732ee43deb2a94bec1c7efef3025d4
      https://github.com/llvm/llvm-project/commit/00ca80938b732ee43deb2a94bec1c7efef3025d4
  Author: Nikita Popov <npopov at redhat.com>
  Date:   2024-03-19 (Tue, 19 Mar 2024)

  Changed paths:
    M llvm/lib/IR/ConstantFold.cpp
    M llvm/test/Transforms/InstSimplify/ConstProp/icmp-global.ll

  Log Message:
  -----------
  [ConstantFold] Fix comparison between special pointer constants

This code was assuming that the LHS would always be one of
GlobalVariable, BlockAddress or ConstantExpr. However, it can
also be a special constant like dso_local_equivalent or no_cfi.
Make sure this is handled gracefully.



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