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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/all-nodes.h"
#include "src/compiler/common-operator.h"
#include "src/compiler/graph.h"
#include "src/compiler/node.h"
#include "src/compiler/operator.h"
#include "src/compiler/operator-properties.h"
namespace v8 {
namespace internal {
namespace compiler {
#ifdef DEBUG
void GraphReplayPrinter::PrintReplay(Graph* graph) {
GraphReplayPrinter replay;
PrintF(" Node* nil = graph()->NewNode(common()->Dead());\n");
Zone zone(graph->zone()->allocator());
AllNodes nodes(&zone, graph);
// Allocate the nodes first.
for (Node* node : nodes.reachable) {
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());
}
// Connect the nodes to their inputs.
for (Node* node : nodes.reachable) {
for (int i = 0; i < node->InputCount(); i++) {
PrintF(" n%d->ReplaceInput(%d, n%d);\n", node->id(), i,
node->InputAt(i)->id());
}
}
}
void GraphReplayPrinter::PrintReplayOpCreator(const Operator* op) {
IrOpcode::Value opcode = static_cast<IrOpcode::Value>(op->opcode());
const char* builder = IrOpcode::IsCommonOpcode(opcode) ? "common" : "js";
const char* mnemonic = IrOpcode::IsCommonOpcode(opcode)
? IrOpcode::Mnemonic(opcode)
: IrOpcode::Mnemonic(opcode) + 2;
PrintF(" op = %s()->%s(", builder, mnemonic);
switch (opcode) {
case IrOpcode::kParameter:
PrintF("%d", ParameterIndexOf(op));
break;
case IrOpcode::kNumberConstant:
PrintF("%g", OpParameter<double>(op));
break;
case IrOpcode::kHeapConstant:
PrintF("unique_constant");
break;
case IrOpcode::kPhi:
PrintF("kMachAnyTagged, %d", op->ValueInputCount());
break;
case IrOpcode::kStateValues:
PrintF("%d", op->ValueInputCount());
break;
case IrOpcode::kEffectPhi:
PrintF("%d", op->EffectInputCount());
break;
case IrOpcode::kLoop:
case IrOpcode::kMerge:
PrintF("%d", op->ControlInputCount());
break;
case IrOpcode::kStart:
PrintF("%d", op->ValueOutputCount() - 3);
break;
case IrOpcode::kFrameState:
PrintF("JS_FRAME, BailoutId(-1), OutputFrameStateCombine::Ignore()");
break;
default:
break;
}
PrintF(");\n");
}
#endif // DEBUG
} // namespace compiler
} // namespace internal
} // namespace v8
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