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 #include "src/v8.h"
9 
10 #include "src/compiler.h"
11 
12 // Note: TODO(turbofan) implies a performance improvement opportunity,
13 //   and TODO(name) implies an incomplete implementation
14 
15 namespace v8 {
16 namespace internal {
17 namespace compiler {
18 
19 // Clients of this interface shouldn't depend on lots of compiler internals.
20 class Graph;
21 class Schedule;
22 class SourcePositionTable;
23 class Linkage;
24 
25 class Pipeline {
26  public:
Pipeline(CompilationInfo * info)27   explicit Pipeline(CompilationInfo* info) : info_(info) {}
28 
29   // Run the entire pipeline and generate a handle to a code object.
30   Handle<Code> GenerateCode();
31 
32   // Run the pipeline on a machine graph and generate code. If {schedule}
33   // is {NULL}, then compute a new schedule for code generation.
34   Handle<Code> GenerateCodeForMachineGraph(Linkage* linkage, Graph* graph,
35                                            Schedule* schedule = NULL);
36 
SupportedBackend()37   static inline bool SupportedBackend() { return V8_TURBOFAN_BACKEND != 0; }
SupportedTarget()38   static inline bool SupportedTarget() { return V8_TURBOFAN_TARGET != 0; }
39 
40   static void SetUp();
41   static void TearDown();
42 
43  private:
44   CompilationInfo* info_;
45 
info()46   CompilationInfo* info() const { return info_; }
isolate()47   Isolate* isolate() { return info_->isolate(); }
zone()48   Zone* zone() { return info_->zone(); }
49 
50   Schedule* ComputeSchedule(Graph* graph);
51   void VerifyAndPrintGraph(Graph* graph, const char* phase);
52   Handle<Code> GenerateCode(Linkage* linkage, Graph* graph, Schedule* schedule,
53                             SourcePositionTable* source_positions);
54 };
55 }
56 }
57 }  // namespace v8::internal::compiler
58 
59 #endif  // V8_COMPILER_PIPELINE_H_
60