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// Copyright 2014 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-replay.h"
#include "src/compiler/common-operator.h"
#include "src/compiler/graph.h"
#include "src/compiler/graph-inl.h"
#include "src/compiler/node.h"
#include "src/compiler/operator.h"
#include "src/compiler/operator-properties-inl.h"
namespace v8 {
namespace internal {
namespace compiler {
#ifdef DEBUG
void GraphReplayPrinter::PrintReplay(Graph* graph) {
GraphReplayPrinter replay;
PrintF(" Node* nil = graph.NewNode(common_builder.Dead());\n");
graph->VisitNodeInputsFromEnd(&replay);
}
GenericGraphVisit::Control GraphReplayPrinter::Pre(Node* node) {
PrintReplayOpCreator(node->op());
PrintF(" Node* n%d = graph.NewNode(op", node->id());
for (int i = 0; i < node->InputCount(); ++i) {
PrintF(", nil");
}
PrintF("); USE(n%d);\n", node->id());
return GenericGraphVisit::CONTINUE;
}
void GraphReplayPrinter::PostEdge(Node* from, int index, Node* to) {
PrintF(" n%d->ReplaceInput(%d, n%d);\n", from->id(), index, to->id());
}
void GraphReplayPrinter::PrintReplayOpCreator(Operator* op) {
IrOpcode::Value opcode = static_cast<IrOpcode::Value>(op->opcode());
const char* builder =
IrOpcode::IsCommonOpcode(opcode) ? "common_builder" : "js_builder";
const char* mnemonic = IrOpcode::IsCommonOpcode(opcode)
? IrOpcode::Mnemonic(opcode)
: IrOpcode::Mnemonic(opcode) + 2;
PrintF(" op = %s.%s(", builder, mnemonic);
switch (opcode) {
case IrOpcode::kParameter:
case IrOpcode::kNumberConstant:
PrintF("0");
break;
case IrOpcode::kLoad:
PrintF("unique_name");
break;
case IrOpcode::kHeapConstant:
PrintF("unique_constant");
break;
case IrOpcode::kPhi:
PrintF("%d", op->InputCount());
break;
case IrOpcode::kEffectPhi:
PrintF("%d", OperatorProperties::GetEffectInputCount(op));
break;
case IrOpcode::kLoop:
case IrOpcode::kMerge:
PrintF("%d", OperatorProperties::GetControlInputCount(op));
break;
default:
break;
}
PrintF(");\n");
}
#endif // DEBUG
}
}
} // namespace v8::internal::compiler
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