1 // Copyright 2014 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "src/compiler/graph-replay.h"
6
7 #include "src/compiler/all-nodes.h"
8 #include "src/compiler/common-operator.h"
9 #include "src/compiler/graph.h"
10 #include "src/compiler/node.h"
11 #include "src/compiler/operator.h"
12 #include "src/compiler/operator-properties.h"
13
14 namespace v8 {
15 namespace internal {
16 namespace compiler {
17
18 #ifdef DEBUG
19
PrintReplay(Graph * graph)20 void GraphReplayPrinter::PrintReplay(Graph* graph) {
21 GraphReplayPrinter replay;
22 PrintF(" Node* nil = graph()->NewNode(common()->Dead());\n");
23 Zone zone(graph->zone()->allocator(), ZONE_NAME);
24 AllNodes nodes(&zone, graph);
25
26 // Allocate the nodes first.
27 for (Node* node : nodes.reachable) {
28 PrintReplayOpCreator(node->op());
29 PrintF(" Node* n%d = graph()->NewNode(op", node->id());
30 for (int i = 0; i < node->InputCount(); ++i) {
31 PrintF(", nil");
32 }
33 PrintF("); USE(n%d);\n", node->id());
34 }
35
36 // Connect the nodes to their inputs.
37 for (Node* node : nodes.reachable) {
38 for (int i = 0; i < node->InputCount(); i++) {
39 PrintF(" n%d->ReplaceInput(%d, n%d);\n", node->id(), i,
40 node->InputAt(i)->id());
41 }
42 }
43 }
44
45
PrintReplayOpCreator(const Operator * op)46 void GraphReplayPrinter::PrintReplayOpCreator(const Operator* op) {
47 IrOpcode::Value opcode = static_cast<IrOpcode::Value>(op->opcode());
48 const char* builder = IrOpcode::IsCommonOpcode(opcode) ? "common" : "js";
49 const char* mnemonic = IrOpcode::IsCommonOpcode(opcode)
50 ? IrOpcode::Mnemonic(opcode)
51 : IrOpcode::Mnemonic(opcode) + 2;
52 PrintF(" op = %s()->%s(", builder, mnemonic);
53 switch (opcode) {
54 case IrOpcode::kParameter:
55 PrintF("%d", ParameterIndexOf(op));
56 break;
57 case IrOpcode::kNumberConstant:
58 PrintF("%g", OpParameter<double>(op));
59 break;
60 case IrOpcode::kHeapConstant:
61 PrintF("unique_constant");
62 break;
63 case IrOpcode::kPhi:
64 PrintF("kMachAnyTagged, %d", op->ValueInputCount());
65 break;
66 case IrOpcode::kStateValues:
67 PrintF("%d", op->ValueInputCount());
68 break;
69 case IrOpcode::kEffectPhi:
70 PrintF("%d", op->EffectInputCount());
71 break;
72 case IrOpcode::kLoop:
73 case IrOpcode::kMerge:
74 PrintF("%d", op->ControlInputCount());
75 break;
76 case IrOpcode::kStart:
77 PrintF("%d", op->ValueOutputCount() - 3);
78 break;
79 case IrOpcode::kFrameState:
80 PrintF("JS_FRAME, BailoutId(-1), OutputFrameStateCombine::Ignore()");
81 break;
82 default:
83 break;
84 }
85 PrintF(");\n");
86 }
87
88 #endif // DEBUG
89
90 } // namespace compiler
91 } // namespace internal
92 } // namespace v8
93