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// Copyright 2021 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.
#if !V8_ENABLE_WEBASSEMBLY
#error This header should only be included if WebAssembly is enabled.
#endif // !V8_ENABLE_WEBASSEMBLY
#ifndef V8_COMPILER_WASM_INLINING_H_
#define V8_COMPILER_WASM_INLINING_H_
#include "src/compiler/graph-reducer.h"
#include "src/compiler/js-graph.h"
namespace v8 {
namespace internal {
namespace wasm {
struct CompilationEnv;
struct WasmModule;
class WireBytesStorage;
} // namespace wasm
class BytecodeOffset;
class OptimizedCompilationInfo;
namespace compiler {
class NodeOriginTable;
class SourcePositionTable;
// The WasmInliner provides the core graph inlining machinery for Webassembly
// graphs. Note that this class only deals with the mechanics of how to inline
// one graph into another, heuristics that decide what and how much to inline
// are beyond its scope. As a current placeholder, only a function at specific
// given index {inlinee_index} is inlined.
class WasmInliner final : public AdvancedReducer {
public:
WasmInliner(Editor* editor, wasm::CompilationEnv* env,
SourcePositionTable* spt, NodeOriginTable* node_origins,
MachineGraph* mcgraph, const wasm::WireBytesStorage* wire_bytes,
uint32_t inlinee_index)
: AdvancedReducer(editor),
env_(env),
spt_(spt),
node_origins_(node_origins),
mcgraph_(mcgraph),
wire_bytes_(wire_bytes),
inlinee_index_(inlinee_index) {}
const char* reducer_name() const override { return "WasmInliner"; }
Reduction Reduce(Node* node) final;
private:
Zone* zone() const { return mcgraph_->zone(); }
CommonOperatorBuilder* common() const { return mcgraph_->common(); }
Graph* graph() const { return mcgraph_->graph(); }
MachineGraph* mcgraph() const { return mcgraph_; }
const wasm::WasmModule* module() const;
Reduction ReduceCall(Node* call);
Reduction InlineCall(Node* call, Node* callee_start, Node* callee_end);
wasm::CompilationEnv* const env_;
SourcePositionTable* const spt_;
NodeOriginTable* const node_origins_;
MachineGraph* const mcgraph_;
const wasm::WireBytesStorage* const wire_bytes_;
const uint32_t inlinee_index_;
};
} // namespace compiler
} // namespace internal
} // namespace v8
#endif // V8_COMPILER_WASM_INLINING_H_
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