llvm-project/mlir/lib/ExecutionEngine
Eugene Zhulenev 3d95d1b477 [mlir] AsyncRuntime: fix concurrency bugs + fix exports in methods definitions
1. Move ThreadPool ownership to the runtime, and wait for the async tasks completion in the destructor.
2. Remove MLIR_ASYNCRUNTIME_EXPORT from method definitions because they are unnecessary in .cpp files, as only function declarations need to be exported, not their definitions.
3. Fix concurrency bugs in group emplace and potential use-after-free in token emplace.

Tested internally 10k runs in `async.mlir` and `async-group.mlir`.

Fixed: https://bugs.llvm.org/show_bug.cgi?id=48267

Reviewed By: mehdi_amini

Differential Revision: https://reviews.llvm.org/D91988
2020-11-24 03:53:13 -08:00
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