1 files changed, 89 insertions, 0 deletions
diff --git a/compiler/optimizing/profiling_info_builder.cc b/compiler/optimizing/profiling_info_builder.cc
new file mode 100644
index 0000000000..7e8cdb1454
--- /dev/null
+++ b/compiler/optimizing/profiling_info_builder.cc
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "profiling_info_builder.h"
+
+#include "art_method-inl.h"
+#include "driver/compiler_options.h"
+#include "dex/code_item_accessors-inl.h"
+#include "jit/profiling_info.h"
+#include "optimizing_compiler_stats.h"
+#include "scoped_thread_state_change-inl.h"
+
+namespace art HIDDEN {
+
+void ProfilingInfoBuilder::Run() {
+  DCHECK_EQ(GetGraph()->GetProfilingInfo(), nullptr);
+  // Order does not matter.
+  for (HBasicBlock* block : GetGraph()->GetReversePostOrder()) {
+    // No need to visit the phis.
+    for (HInstructionIteratorHandleChanges inst_it(block->GetInstructions()); !inst_it.Done();
+         inst_it.Advance()) {
+      inst_it.Current()->Accept(this);
+    }
+  }
+
+  ScopedObjectAccess soa(Thread::Current());
+  GetGraph()->SetProfilingInfo(
+      ProfilingInfo::Create(soa.Self(), GetGraph()->GetArtMethod(), inline_caches_));
+}
+
+void ProfilingInfoBuilder::HandleInvoke(HInvoke* invoke) {
+  DCHECK(!invoke->GetEnvironment()->IsFromInlinedInvoke());
+  if (IsInlineCacheUseful(invoke)) {
+    inline_caches_.push_back(invoke->GetDexPc());
+  }
+}
+
+void ProfilingInfoBuilder::VisitInvokeInterface(HInvokeInterface* invoke) {
+  HandleInvoke(invoke);
+}
+
+void ProfilingInfoBuilder::VisitInvokeVirtual(HInvokeVirtual* invoke) {
+  HandleInvoke(invoke);
+}
+
+bool ProfilingInfoBuilder::IsInlineCacheUseful(HInvoke* invoke) {
+  DCHECK(invoke->IsInvokeVirtual() || invoke->IsInvokeInterface());
+  if (invoke->IsIntrinsic()) {
+    return false;
+  }
+  if (!invoke->GetBlock()->GetGraph()->IsCompilingBaseline()) {
+    return false;
+  }
+  if (Runtime::Current()->IsAotCompiler()) {
+    return false;
+  }
+  if (invoke->InputAt(0)->GetReferenceTypeInfo().IsExact()) {
+    return false;
+  }
+  if (invoke->GetResolvedMethod() != nullptr) {
+    ScopedObjectAccess soa(Thread::Current());
+    if (invoke->GetResolvedMethod()->IsFinal() ||
+        invoke->GetResolvedMethod()->GetDeclaringClass()->IsFinal()) {
+      return false;
+    }
+  }
+  return true;
+}
+
+InlineCache* ProfilingInfoBuilder::GetInlineCache(ProfilingInfo* info, HInvoke* instruction) {
+  DCHECK(!instruction->GetEnvironment()->IsFromInlinedInvoke());
+  ScopedObjectAccess soa(Thread::Current());
+  return info->GetInlineCache(instruction->GetDexPc());
+}
+
+}  // namespace art