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 #ifndef V8_COMPILER_PIPELINE_H_
6 #define V8_COMPILER_PIPELINE_H_
7 
8 // Clients of this interface shouldn't depend on lots of compiler internals.
9 // Do not include anything from src/compiler here!
10 #include "src/compiler.h"
11 
12 namespace v8 {
13 namespace internal {
14 
15 class RegisterConfiguration;
16 
17 namespace compiler {
18 
19 class CallDescriptor;
20 class Graph;
21 class InstructionSequence;
22 class Linkage;
23 class PipelineData;
24 class Schedule;
25 
26 class Pipeline {
27  public:
Pipeline(CompilationInfo * info)28   explicit Pipeline(CompilationInfo* info) : info_(info) {}
29 
30   // Run the entire pipeline and generate a handle to a code object.
31   Handle<Code> GenerateCode();
32 
33   // Run the pipeline on a machine graph and generate code. The {schedule} must
34   // be valid, hence the given {graph} does not need to be schedulable.
35   static Handle<Code> GenerateCodeForCodeStub(Isolate* isolate,
36                                               CallDescriptor* call_descriptor,
37                                               Graph* graph, Schedule* schedule,
38                                               Code::Kind kind,
39                                               const char* debug_name);
40 
41   // Run the pipeline on a machine graph and generate code. If {schedule} is
42   // {nullptr}, then compute a new schedule for code generation.
43   static Handle<Code> GenerateCodeForTesting(CompilationInfo* info,
44                                              Graph* graph,
45                                              Schedule* schedule = nullptr);
46 
47   // Run just the register allocator phases.
48   static bool AllocateRegistersForTesting(const RegisterConfiguration* config,
49                                           InstructionSequence* sequence,
50                                           bool run_verifier);
51 
52   // Run the pipeline on a machine graph and generate code. If {schedule} is
53   // {nullptr}, then compute a new schedule for code generation.
54   static Handle<Code> GenerateCodeForTesting(CompilationInfo* info,
55                                              CallDescriptor* call_descriptor,
56                                              Graph* graph,
57                                              Schedule* schedule = nullptr);
58 
59  private:
60   CompilationInfo* info_;
61   PipelineData* data_;
62 
63   // Helpers for executing pipeline phases.
64   template <typename Phase>
65   void Run();
66   template <typename Phase, typename Arg0>
67   void Run(Arg0 arg_0);
68 
info()69   CompilationInfo* info() const { return info_; }
isolate()70   Isolate* isolate() { return info_->isolate(); }
71 
72   void BeginPhaseKind(const char* phase_kind);
73   void RunPrintAndVerify(const char* phase, bool untyped = false);
74   Handle<Code> ScheduleAndGenerateCode(CallDescriptor* call_descriptor);
75   void AllocateRegisters(const RegisterConfiguration* config,
76                          CallDescriptor* descriptor, bool run_verifier);
77 };
78 
79 }  // namespace compiler
80 }  // namespace internal
81 }  // namespace v8
82 
83 #endif  // V8_COMPILER_PIPELINE_H_
84