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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/compiler/graph-visualizer.h"
#include "src/base/small-vector.h"
#include "src/compiler/node-origin-table.h"
#include "src/compiler/turboshaft/graph-visualizer.h"
namespace v8::internal::compiler::turboshaft {
JSONTurboshaftGraphWriter::JSONTurboshaftGraphWriter(
std::ostream& os, const Graph& turboshaft_graph, NodeOriginTable* origins,
Zone* zone)
: os_(os),
zone_(zone),
turboshaft_graph_(turboshaft_graph),
origins_(origins) {}
void JSONTurboshaftGraphWriter::Print() {
os_ << "{\n\"nodes\":[";
PrintNodes();
os_ << "\n],\n\"edges\":[";
PrintEdges();
os_ << "\n],\n\"blocks\":[";
PrintBlocks();
os_ << "\n]}";
}
void JSONTurboshaftGraphWriter::PrintNodes() {
bool first = true;
for (const Block& block : turboshaft_graph_.blocks()) {
for (const Operation& op : turboshaft_graph_.operations(block)) {
OpIndex index = turboshaft_graph_.Index(op);
if (!first) os_ << ",\n";
first = false;
os_ << "{\"id\":" << index.id() << ",";
os_ << "\"title\":\"" << OpcodeName(op.opcode) << "\",";
os_ << "\"block_id\":" << block.index().id() << ",";
os_ << "\"op_effects\":\"" << op.Effects() << "\"";
if (origins_) {
NodeOrigin origin = origins_->GetNodeOrigin(index.id());
if (origin.IsKnown()) {
os_ << ", \"origin\":" << AsJSON(origin);
}
}
SourcePosition position = turboshaft_graph_.source_positions()[index];
if (position.IsKnown()) {
os_ << ", \"sourcePosition\":" << compiler::AsJSON(position);
}
os_ << "}";
}
}
}
void JSONTurboshaftGraphWriter::PrintEdges() {
bool first = true;
for (const Block& block : turboshaft_graph_.blocks()) {
for (const Operation& op : turboshaft_graph_.operations(block)) {
int target_id = turboshaft_graph_.Index(op).id();
base::SmallVector<OpIndex, 32> inputs{op.inputs()};
// Reorder the inputs to correspond to the order used in constructor and
// assembler functions.
if (auto* store = op.TryCast<StoreOp>()) {
if (store->index().valid()) {
DCHECK_EQ(store->input_count, 3);
inputs = {store->base(), store->index(), store->value()};
}
}
for (OpIndex input : inputs) {
if (!first) os_ << ",\n";
first = false;
os_ << "{\"source\":" << input.id() << ",";
os_ << "\"target\":" << target_id << "}";
}
}
}
}
void JSONTurboshaftGraphWriter::PrintBlocks() {
bool first_block = true;
for (const Block& block : turboshaft_graph_.blocks()) {
if (!first_block) os_ << ",\n";
first_block = false;
os_ << "{\"id\":" << block.index().id() << ",";
os_ << "\"type\":\"" << block.kind() << "\",";
os_ << "\"predecessors\":[";
bool first_predecessor = true;
for (const Block* pred : block.Predecessors()) {
if (!first_predecessor) os_ << ", ";
first_predecessor = false;
os_ << pred->index().id();
}
os_ << "]}";
}
}
std::ostream& operator<<(std::ostream& os, const TurboshaftGraphAsJSON& ad) {
JSONTurboshaftGraphWriter writer(os, ad.turboshaft_graph, ad.origins,
ad.temp_zone);
writer.Print();
return os;
}
void PrintTurboshaftCustomDataPerOperation(
OptimizedCompilationInfo* info, const char* data_name, const Graph& graph,
std::function<bool(std::ostream&, const Graph&, OpIndex)> printer) {
DCHECK(printer);
TurboJsonFile json_of(info, std::ios_base::app);
json_of << "{\"name\":\"" << data_name
<< "\", \"type\":\"turboshaft_custom_data\", "
"\"data_target\":\"operations\", \"data\":[";
bool first = true;
for (auto index : graph.AllOperationIndices()) {
std::stringstream stream;
if (printer(stream, graph, index)) {
json_of << (first ? "\n" : ",\n") << "{\"key\":" << index.id()
<< ", \"value\":\"" << stream.str() << "\"}";
first = false;
}
}
json_of << "]},\n";
}
void PrintTurboshaftCustomDataPerBlock(
OptimizedCompilationInfo* info, const char* data_name, const Graph& graph,
std::function<bool(std::ostream&, const Graph&, BlockIndex)> printer) {
DCHECK(printer);
TurboJsonFile json_of(info, std::ios_base::app);
json_of << "{\"name\":\"" << data_name
<< "\", \"type\":\"turboshaft_custom_data\", "
"\"data_target\":\"blocks\", \"data\":[";
bool first = true;
for (const Block& block : graph.blocks()) {
std::stringstream stream;
BlockIndex index = block.index();
if (printer(stream, graph, index)) {
json_of << (first ? "\n" : ",\n") << "{\"key\":" << index.id()
<< ", \"value\":\"" << stream.str() << "\"}";
first = false;
}
}
json_of << "]},\n";
}
} // namespace v8::internal::compiler::turboshaft
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