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// Copyright 2019 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "src/codegen/pending-optimization-table.h"
#include "src/base/flags.h"
#include "src/execution/isolate-inl.h"
#include "src/heap/heap-inl.h"
#include "src/objects/hash-table.h"
#include "src/objects/js-objects.h"
namespace v8 {
namespace internal {
void ManualOptimizationTable::MarkFunctionForManualOptimization(
Isolate* isolate, Handle<JSFunction> function,
IsCompiledScope* is_compiled_scope) {
DCHECK(v8_flags.testing_d8_test_runner || v8_flags.allow_natives_syntax);
DCHECK(is_compiled_scope->is_compiled());
DCHECK(function->has_feedback_vector());
Handle<SharedFunctionInfo> shared_info(function->shared(), isolate);
Handle<ObjectHashTable> table =
IsUndefined(isolate->heap()->functions_marked_for_manual_optimization())
? ObjectHashTable::New(isolate, 1)
: handle(ObjectHashTable::cast(
isolate->heap()
->functions_marked_for_manual_optimization()),
isolate);
table = ObjectHashTable::Put(
table, shared_info,
handle(shared_info->GetBytecodeArray(isolate), isolate));
isolate->heap()->SetFunctionsMarkedForManualOptimization(*table);
}
void ManualOptimizationTable::CheckMarkedForManualOptimization(
Isolate* isolate, Tagged<JSFunction> function) {
if (!IsMarkedForManualOptimization(isolate, function)) {
PrintF("Error: Function ");
ShortPrint(function);
PrintF(
" should be prepared for optimization with "
"%%PrepareFunctionForOptimization before "
"%%OptimizeFunctionOnNextCall / %%OptimizeMaglevOnNextCall / "
"%%OptimizeOSR ");
UNREACHABLE();
}
}
bool ManualOptimizationTable::IsMarkedForManualOptimization(
Isolate* isolate, Tagged<JSFunction> function) {
DCHECK(v8_flags.testing_d8_test_runner || v8_flags.allow_natives_syntax);
Handle<Object> table = handle(
isolate->heap()->functions_marked_for_manual_optimization(), isolate);
Handle<Object> entry =
IsUndefined(*table)
? handle(ReadOnlyRoots(isolate).the_hole_value(), isolate)
: handle(Handle<ObjectHashTable>::cast(table)->Lookup(
handle(function->shared(), isolate)),
isolate);
return !IsTheHole(*entry);
}
} // namespace internal
} // namespace v8
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