[all-commits] [llvm/llvm-project] 0ace96: [SCCP][FuncSpec] Poison unreachable constant globa...

[XChy via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 0ace96cca79c03c668b260dd01996e3d693e3f4f
      https://github.com/llvm/llvm-project/commit/0ace96cca79c03c668b260dd01996e3d693e3f4f
  Author: XChy <xxs_chy at outlook.com>
  Date:   2025-08-28 (Thu, 28 Aug 2025)

  Changed paths:
    M llvm/lib/Transforms/IPO/SCCP.cpp
    A llvm/test/Transforms/FunctionSpecialization/dead-gv-load.ll

  Log Message:
  -----------
  [SCCP][FuncSpec] Poison unreachable constant global variable user (#155753)

Fixes #155738.
The original assumption "we already replaced its users with a constant"
for the global variable becomes incorrect after #154668. The users in
the dead function are not simplified, in fact.
This patch poisons all the unsimplified constant global variable users.



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