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/*
* 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 "code_generator.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, codegen_)) {
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, CodeGenerator* codegen) {
DCHECK(invoke->IsInvokeVirtual() || invoke->IsInvokeInterface());
if (codegen->IsImplementedIntrinsic(invoke)) {
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
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