Support unboxed input to indirect goto instruction.

runtime/vm/intermediate_language.h

 // Copyright (c) 2013, 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.
 
 #ifndef VM_INTERMEDIATE_LANGUAGE_H_
 #define VM_INTERMEDIATE_LANGUAGE_H_
 
 #include "vm/allocation.h"
 #include "vm/ast.h"
 #include "vm/growable_array.h"
@@ skipping 2189 matching lines @@
 class IndirectGotoInstr : public TemplateInstruction<1, NoThrow> {
  public:
   IndirectGotoInstr(TypedData* offsets,
                     Value* offset_from_start)
     : offsets_(*offsets) {
     SetInputAt(0, offset_from_start);
   }
 
   DECLARE_INSTRUCTION(IndirectGoto)
 
+  virtual Representation RequiredInputRepresentation(intptr_t idx) const {
+    ASSERT(idx == 0);
+    return kNoRepresentation;
+  }
+
   virtual intptr_t ArgumentCount() const { return 0; }
 
   void AddSuccessor(TargetEntryInstr* successor) {
     ASSERT(successor->next()->IsGoto());
     ASSERT(successor->next()->AsGoto()->successor()->IsIndirectEntry());
     successors_.Add(successor);
   }
 
   virtual intptr_t SuccessorCount() const { return successors_.length(); }
   virtual TargetEntryInstr* SuccessorAt(intptr_t index) const {
     ASSERT(index < SuccessorCount());
     return successors_[index];
   }
 
   virtual bool CanDeoptimize() const { return false; }
   virtual bool CanBecomeDeoptimizationTarget() const { return false; }
 
   virtual EffectSet Effects() const { return EffectSet::None(); }
 
   virtual void PrintTo(BufferFormatter* f) const;
 
-  const TypedData& offsets() const { return offsets_; }
+  Value* offset() const { return inputs_[0]; }
   void ComputeOffsetTable(Isolate* isolate);
 
  private:
   GrowableArray<TargetEntryInstr*> successors_;
   TypedData& offsets_;
 };
 
 
 class ComparisonInstr : public TemplateDefinition<2, NoThrow, Pure> {
  public:
@@ skipping 5789 matching lines @@
       Isolate* isolate, bool opt) const {                                     \
     UNIMPLEMENTED();                                                          \
     return NULL;                                                              \
   }                                                                           \
   void Name::EmitNativeCode(FlowGraphCompiler* compiler) { UNIMPLEMENTED(); }
 
 
 }  // namespace dart
 
 #endif  // VM_INTERMEDIATE_LANGUAGE_H_