Land the Fan (disabled)

src/compiler/pipeline.h

+// 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.
+
+#ifndef V8_COMPILER_PIPELINE_H_
+#define V8_COMPILER_PIPELINE_H_
+
+#include "src/v8.h"
+
+#include "src/compiler.h"
+
+// Note: TODO(turbofan) implies a performance improvement opportunity,
+//   and TODO(name) implies an incomplete implementation
+
+#if V8_TARGET_ARCH_IA32 || V8_TARGET_ARCH_X64 || \
+    V8_TARGET_ARCH_ARM64 || V8_TARGET_ARCH_ARM
+#define V8_TURBOFAN_TARGET 1
+#else
+#define V8_TURBOFAN_TARGET 0
+#endif
+
+namespace v8 {
+namespace internal {
+namespace compiler {
+
+// Clients of this interface shouldn't depend on lots of compiler internals.
+class CallDescriptor;
+class Graph;
+class Schedule;
+class SourcePositionTable;
+class Linkage;
+
+class Pipeline {
+ public:
+  explicit Pipeline(CompilationInfo* info) : info_(info) { }
+
+  // Run the entire pipeline and generate a handle to a code object.
+  Handle<Code> GenerateCode();
+
+  // Run the pipeline on a machine graph and generate code. If {schedule}
+  // is {NULL}, then compute a new schedule for code generation.
+  Handle<Code> GenerateCodeForMachineGraph(Linkage* linkage, Graph* graph,
+                                           Schedule* schedule = NULL);
+
+  CompilationInfo* info() const { return info_; }
+  Zone* zone() { return info_->zone(); }
+  Isolate* isolate() { return info_->isolate(); }
+
+  static inline bool SupportedTarget() {
+    return V8_TURBOFAN_TARGET != 0;
+  }
+
+  static inline bool VerifyGraphs() {
+#ifdef DEBUG
+    return true;
+#else
+    return FLAG_turbo_verify;
+#endif
+  }
+
+ private:
+  CompilationInfo* info_;
+
+  Schedule* ComputeSchedule(Graph* graph);
+  void VerifyAndPrintGraph(Graph* graph, const char* phase);
+  Handle<Code> GenerateCode(Linkage* linkage, Graph* graph, Schedule* schedule,
+                            SourcePositionTable* source_positions);
+};
+
+} } }  // namespace v8::internal::compiler
+
+#endif  // V8_COMPILER_PIPELINE_H_