From 4a4fb930a539c91eb4e9d8b1ea427a7cef72d054 Mon Sep 17 00:00:00 2001
From: Mehdi Amini <joker.eph@gmail.com>
Date: Tue, 5 Mar 2024 12:37:11 -0800
Subject: Use the new ThreadPoolInterface base class instead of the concrete
 implementation (NFC) (#84056)

---
 bolt/include/bolt/Core/ParallelUtilities.h | 4 ++--
 bolt/lib/Core/ParallelUtilities.cpp        | 6 +++---
 bolt/lib/Passes/IdenticalCodeFolding.cpp   | 2 +-
 bolt/lib/Rewrite/DWARFRewriter.cpp         | 2 +-
 llvm/tools/llvm-reduce/deltas/Delta.cpp    | 4 ++--
 mlir/lib/ExecutionEngine/AsyncRuntime.cpp  | 2 +-
 6 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/bolt/include/bolt/Core/ParallelUtilities.h b/bolt/include/bolt/Core/ParallelUtilities.h
index e510525..e7b35a7 100644
--- a/bolt/include/bolt/Core/ParallelUtilities.h
+++ b/bolt/include/bolt/Core/ParallelUtilities.h
@@ -49,8 +49,8 @@ enum SchedulingPolicy {
   SP_BB_QUADRATIC,   /// cost is estimated by the square of the BB count
 };
 
-/// Return the managed thread pool and initialize it if not initiliazed.
-ThreadPool &getThreadPool();
+/// Return the managed thread pool and initialize it if not initialized.
+ThreadPoolInterface &getThreadPool();
 
 /// Perform the work on each BinaryFunction except those that are accepted
 /// by SkipPredicate, scheduling heuristic is based on SchedPolicy.
diff --git a/bolt/lib/Core/ParallelUtilities.cpp b/bolt/lib/Core/ParallelUtilities.cpp
index 1a28bc4..88d9444 100644
--- a/bolt/lib/Core/ParallelUtilities.cpp
+++ b/bolt/lib/Core/ParallelUtilities.cpp
@@ -102,7 +102,7 @@ inline unsigned estimateTotalCost(const BinaryContext &BC,
 
 } // namespace
 
-ThreadPool &getThreadPool() {
+ThreadPoolInterface &getThreadPool() {
   if (ThreadPoolPtr.get())
     return *ThreadPoolPtr;
 
@@ -145,7 +145,7 @@ void runOnEachFunction(BinaryContext &BC, SchedulingPolicy SchedPolicy,
       TotalCost > BlocksCount ? TotalCost / BlocksCount : 1;
 
   // Divide work into blocks of equal cost
-  ThreadPool &Pool = getThreadPool();
+  ThreadPoolInterface &Pool = getThreadPool();
   auto BlockBegin = BC.getBinaryFunctions().begin();
   unsigned CurrentCost = 0;
 
@@ -202,7 +202,7 @@ void runOnEachFunctionWithUniqueAllocId(
       TotalCost > BlocksCount ? TotalCost / BlocksCount : 1;
 
   // Divide work into blocks of equal cost
-  ThreadPool &Pool = getThreadPool();
+  ThreadPoolInterface &Pool = getThreadPool();
   auto BlockBegin = BC.getBinaryFunctions().begin();
   unsigned CurrentCost = 0;
   unsigned AllocId = 1;
diff --git a/bolt/lib/Passes/IdenticalCodeFolding.cpp b/bolt/lib/Passes/IdenticalCodeFolding.cpp
index 9f8d82b..87eba10 100644
--- a/bolt/lib/Passes/IdenticalCodeFolding.cpp
+++ b/bolt/lib/Passes/IdenticalCodeFolding.cpp
@@ -397,7 +397,7 @@ Error IdenticalCodeFolding::runOnFunctions(BinaryContext &BC) {
     Timer SinglePass("single fold pass", "single fold pass");
     LLVM_DEBUG(SinglePass.startTimer());
 
-    ThreadPool *ThPool;
+    ThreadPoolInterface *ThPool;
     if (!opts::NoThreads)
       ThPool = &ParallelUtilities::getThreadPool();
 
diff --git a/bolt/lib/Rewrite/DWARFRewriter.cpp b/bolt/lib/Rewrite/DWARFRewriter.cpp
index ca9d242..85c2397 100644
--- a/bolt/lib/Rewrite/DWARFRewriter.cpp
+++ b/bolt/lib/Rewrite/DWARFRewriter.cpp
@@ -784,7 +784,7 @@ void DWARFRewriter::updateDebugInfo() {
     }
   } else {
     // Update unit debug info in parallel
-    ThreadPool &ThreadPool = ParallelUtilities::getThreadPool();
+    ThreadPoolInterface &ThreadPool = ParallelUtilities::getThreadPool();
     for (std::unique_ptr<DWARFUnit> &CU : BC.DwCtx->compile_units())
       ThreadPool.async(processUnitDIE, CU.get(), &DIEBlder);
     ThreadPool.wait();
diff --git a/llvm/tools/llvm-reduce/deltas/Delta.cpp b/llvm/tools/llvm-reduce/deltas/Delta.cpp
index 62dfd62..569117e 100644
--- a/llvm/tools/llvm-reduce/deltas/Delta.cpp
+++ b/llvm/tools/llvm-reduce/deltas/Delta.cpp
@@ -219,7 +219,7 @@ void llvm::runDeltaPass(TestRunner &Test, ReductionFunc ExtractChunksFromModule,
   }
 
   std::atomic<bool> AnyReduced;
-  std::unique_ptr<ThreadPool> ChunkThreadPoolPtr;
+  std::unique_ptr<ThreadPoolInterface> ChunkThreadPoolPtr;
   if (NumJobs > 1)
     ChunkThreadPoolPtr =
         std::make_unique<ThreadPool>(hardware_concurrency(NumJobs));
@@ -251,7 +251,7 @@ void llvm::runDeltaPass(TestRunner &Test, ReductionFunc ExtractChunksFromModule,
         unsigned NumInitialTasks = std::min(WorkLeft, unsigned(NumJobs));
         unsigned NumChunksProcessed = 0;
 
-        ThreadPool &ChunkThreadPool = *ChunkThreadPoolPtr;
+        ThreadPoolInterface &ChunkThreadPool = *ChunkThreadPoolPtr;
         assert(TaskQueue.empty());
 
         AnyReduced = false;
diff --git a/mlir/lib/ExecutionEngine/AsyncRuntime.cpp b/mlir/lib/ExecutionEngine/AsyncRuntime.cpp
index 1899029..ec4a81c 100644
--- a/mlir/lib/ExecutionEngine/AsyncRuntime.cpp
+++ b/mlir/lib/ExecutionEngine/AsyncRuntime.cpp
@@ -57,7 +57,7 @@ public:
     return numRefCountedObjects.load(std::memory_order_relaxed);
   }
 
-  llvm::ThreadPool &getThreadPool() { return threadPool; }
+  llvm::ThreadPoolInterface &getThreadPool() { return threadPool; }
 
 private:
   friend class RefCounted;
-- 
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