[all-commits] [llvm/llvm-project] 1ff9aa: [IR] Handle constant expressions in containsUndefi...

[Nikita Popov via All-commits]

  Branch: refs/heads/release/13.x
  Home:   https://github.com/llvm/llvm-project
  Commit: 1ff9aa2bfe19dc8cefe7ced1a277cc58477b5dcb
      https://github.com/llvm/llvm-project/commit/1ff9aa2bfe19dc8cefe7ced1a277cc58477b5dcb
  Author: Nikita Popov <nikita.ppv at gmail.com>
  Date:   2021-09-10 (Fri, 10 Sep 2021)

  Changed paths:
    M llvm/lib/IR/Constants.cpp
    M llvm/test/Transforms/InstSimplify/ConstProp/vecreduce.ll

  Log Message:
  -----------
  [IR] Handle constant expressions in containsUndefinedElement()

If the constant is a constant expression, then getAggregateElement()
will return null. Guard against this before calling HasFn().

(cherry picked from commit af382b93831ae6a58bce8bc075458cfd056e3976)