[all-commits] [llvm/llvm-project] 84717a: [GlobalOpt] Fix dead const handling in pointer roo...

[Nikita Popov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 84717a78a3482a4d969c3e4fd9196f86a6870c7d
      https://github.com/llvm/llvm-project/commit/84717a78a3482a4d969c3e4fd9196f86a6870c7d
  Author: Nikita Popov <npopov at redhat.com>
  Date:   2023-03-24 (Fri, 24 Mar 2023)

  Changed paths:
    M llvm/lib/Transforms/IPO/GlobalOpt.cpp
    A llvm/test/Transforms/GlobalOpt/pr61674.ll

  Log Message:
  -----------
  [GlobalOpt] Fix dead const handling in pointer root user cleanup (PR61674)

Rather than cleanup up dead constant expressions as we go along,
do this once at the end. This aligns it with the
CleanupConstantGlobalUsers() implementation and avoids
any invalidation issues.

Fixes https://github.com/llvm/llvm-project/issues/61674.