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// Copyright 2022 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/maglev/maglev-compilation-unit.h"
#include "src/compiler/js-heap-broker.h"
#include "src/maglev/maglev-compilation-info.h"
#include "src/maglev/maglev-graph-labeller.h"
#include "src/objects/js-function-inl.h"
namespace v8 {
namespace internal {
namespace maglev {
MaglevCompilationUnit::MaglevCompilationUnit(MaglevCompilationInfo* info,
Handle<JSFunction> function)
: MaglevCompilationUnit(
info, nullptr,
MakeRef(info->broker(),
info->broker()->CanonicalPersistentHandle(function))) {}
MaglevCompilationUnit::MaglevCompilationUnit(
MaglevCompilationInfo* info, const MaglevCompilationUnit* caller,
compiler::JSFunctionRef function)
: info_(info),
caller_(caller),
function_(function),
shared_function_info_(function_.shared(broker())),
bytecode_(shared_function_info_.GetBytecodeArray(broker())),
feedback_(function_.feedback_vector(info_->broker()).value()),
register_count_(bytecode_.register_count()),
parameter_count_(bytecode_.parameter_count()),
inlining_depth_(caller == nullptr ? 0 : caller->inlining_depth_ + 1) {}
compiler::JSHeapBroker* MaglevCompilationUnit::broker() const {
return info_->broker();
}
Zone* MaglevCompilationUnit::zone() const { return info_->zone(); }
bool MaglevCompilationUnit::has_graph_labeller() const {
return info_->has_graph_labeller();
}
MaglevGraphLabeller* MaglevCompilationUnit::graph_labeller() const {
DCHECK(has_graph_labeller());
return info_->graph_labeller();
}
void MaglevCompilationUnit::RegisterNodeInGraphLabeller(const Node* node) {
if (has_graph_labeller()) {
graph_labeller()->RegisterNode(node);
}
}
} // namespace maglev
} // namespace internal
} // namespace v8
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