Generate some intrinsics using our IR.

runtime/vm/intrinsifier.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 // Class for intrinsifying functions.
 
 #ifndef VM_INTRINSIFIER_H_
 #define VM_INTRINSIFIER_H_
 
 #include "vm/allocation.h"
 #include "vm/method_recognizer.h"
 
 namespace dart {
 
 // Forward declarations.
 class Assembler;
+class FlowGraphCompiler;
 class Function;
+class TargetEntryInstr;
+class ParsedFunction;
+class FlowGraph;
 
 class Intrinsifier : public AllStatic {
  public:
   // Try to intrinsify 'function'. Returns true if the function intrinsified

[zra, 2014/09/05 20:26:52]

Maybe update comments.

[Florian Schneider, 2014/09/08 11:12:40]

Done.

   // completely and the code does not need to be generated (i.e., no slow
   // path possible).
-  static void Intrinsify(const Function& function, Assembler* assembler);
+  static void Intrinsify(const ParsedFunction& parsed_function,
+                         FlowGraphCompiler* compiler);
   static void InitializeState();
 
+  static bool GraphIntrinsify(const ParsedFunction& parsed_function,
+                              FlowGraphCompiler* compiler);
+
+  static intptr_t ParameterSlotFromSp();
+
  private:
   static bool CanIntrinsify(const Function& function);
 
-#define DECLARE_FUNCTION(test_class_name, test_function_name, destination, fp) \
-  static void destination(Assembler* assembler);
+
+#define DECLARE_FUNCTION(test_class_name, test_function_name, enum_name, fp)   \
+  static void enum_name(Assembler* assembler);
 
   ALL_INTRINSICS_LIST(DECLARE_FUNCTION)
 
 #undef DECLARE_FUNCTION
+
+#define DECLARE_FUNCTION(test_class_name, test_function_name, enum_name, fp)   \
+  static bool Build_##enum_name(FlowGraph* flow_graph);
+
+  GRAPH_INTRINSICS_LIST(DECLARE_FUNCTION)
+
+#undef DECLARE_FUNCTION
 };
 
 }  // namespace dart
 
 #endif  // VM_INTRINSIFIER_H_