[all-commits] [llvm/llvm-project] a312cb: [llvm][timing] Reset recycled timer with different...

[Weiwei C via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a312cb0c81cf1e4cf1a3bc469b15bd5216c59469
      https://github.com/llvm/llvm-project/commit/a312cb0c81cf1e4cf1a3bc469b15bd5216c59469
  Author: Weiwei C <weiwei.chen at modular.com>
  Date:   2026-09-18 (Fri, 18 Sep 2026)

  Changed paths:
    M llvm/lib/IR/PassTimingInfo.cpp

  Log Message:
  -----------
  [llvm][timing] Reset recycled timer with different names. (#218492)

Legacy pass-manager timers are keyed by the pass instance pointer and
the map entry outlives the pass, so a pass allocated at a recycled
address inherits the previous pass's timer and reports its time under
that pass's name. When a recycled instance which has different name can
end up having leftover name comes from whichever target ran before.
Re-create the timer when the name no longer matches.

fixes: #218491



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