[llvm] [ObjCARC] Delete empty autoreleasepools with no autoreleases in them (PR #144788)

[via llvm-commits]

github-actions[bot] wrote:

<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


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``````````bash
git-clang-format --diff HEAD~1 HEAD --extensions h,cpp -- llvm/lib/Transforms/ObjCARC/ARCRuntimeEntryPoints.h llvm/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
``````````

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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/Transforms/ObjCARC/ObjCARCOpts.cpp b/llvm/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
index 874549a44..eee58c781 100644
--- a/llvm/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
+++ b/llvm/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
@@ -2636,16 +2636,17 @@ void ObjCARCOpt::OptimizeAutoreleasePools(Function &F) {
   // Remove the pairs and emit individual remarks
   if (!DeadInsts.empty()) {
     Changed = true;
-    
+
     // Emit one remark per eliminated pair for better source location tracking
     for (auto &Pair : EmptyPoolPairs) {
       CallInst *Push = Pair.first;
       ORE.emit([&]() {
-        return OptimizationRemark(DEBUG_TYPE, "AutoreleasePoolElimination", Push)
+        return OptimizationRemark(DEBUG_TYPE, "AutoreleasePoolElimination",
+                                  Push)
                << "eliminated empty autorelease pool pair";
       });
     }
-    
+
     for (CallInst *DeadInst : DeadInsts) {
       LLVM_DEBUG(dbgs() << "Erasing dead instruction: " << *DeadInst << "\n");
       DeadInst->eraseFromParent();

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https://github.com/llvm/llvm-project/pull/144788