[all-commits] [llvm/llvm-project] 7e44c0: [IPO] Fix infinite recursive inlining in ModuleInl...

[Kazu Hirata via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 7e44c07e60e03918029d57f639114cd2d2621fc0
      https://github.com/llvm/llvm-project/commit/7e44c07e60e03918029d57f639114cd2d2621fc0
  Author: Kazu Hirata <kazu at google.com>
  Date:   2026-05-04 (Mon, 04 May 2026)

  Changed paths:
    M llvm/lib/Transforms/IPO/ModuleInliner.cpp
    A llvm/test/Transforms/Inline/module-inliner-cycle.ll

  Log Message:
  -----------
  [IPO] Fix infinite recursive inlining in ModuleInliner (#195471)

The ModuleInliner currently lacks inline history tracking.  Without
it, the inliner can get stuck in an infinite loop when mutually
recursive functions are involved.

This patch enables inline history tracking in the ModuleInliner to
address this issue.

The minsize attribute in the test case lowers the threshold for the
mutually recursive functions, ensuring the bug reproduces in pass
isolation.



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