[Mlir-commits] [mlir] [mlir] Add searchable remark history and query-based links (PR #237762)

[Henrich Lauko]

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@@ -164,6 +166,13 @@ llvm::remarks::Remark Remark::generateRemark() const {
 // InFlightRemark
 //===----------------------------------------------------------------------===//
 
+InFlightRemark &InFlightRemark::operator<<(const RelatedRemarkQuery &related) {
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xlauko wrote:

This links every match. A broad query emitted in a loop adds O(N) RelatedTo arguments per remark, O(N²) in total, and each insert scans all of history under a global mutex. Most producers will want only the latest match. Could we add a relatedToLatest(query), or a limit?

https://github.com/llvm/llvm-project/pull/237762