[Mlir-commits] [mlir] [MLIR][Timing] Fix timing report of nested pass pipeline and negative Rest field when using -mlir-timing (Try to close #169443) (PR #169615)

[Mehdi Amini]

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@@ -90,6 +90,9 @@ struct PassTiming : public PassInstrumentation {
     auto &activeTimers = activeThreadTimers[tid];
     auto &parentScope = activeTimers.empty() ? rootScope : activeTimers.back();
 
+    // Record the parent information for this pass so nested pipelines can find it,
+    // regardless of whether this is an adaptor pass or a regular pass.
+    parentTimerIndices[{tid, pass}] = activeTimers.size();
     if (auto *adaptor = dyn_cast<OpToOpPassAdaptor>(pass)) {
       parentTimerIndices[{tid, pass}] = activeTimers.size();
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joker-eph wrote:

Isn't this line redundant now?

https://github.com/llvm/llvm-project/pull/169615