DBC: Eager deoptimization and CheckSmi instruction.

runtime/vm/deopt_instructions.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_DEOPT_INSTRUCTIONS_H_
 #define VM_DEOPT_INSTRUCTIONS_H_
 
 #include "vm/allocation.h"
 #include "vm/assembler.h"
 #include "vm/code_generator.h"
@@ skipping 97 matching lines @@
   // deoptimization will fill in.
   intptr_t* FrameBase(const StackFrame* frame) {
 #if !defined(TARGET_ARCH_DBC)
     // SP of the deoptimization frame is the lowest slot because
     // stack is growing downwards.
     return reinterpret_cast<intptr_t*>(
       frame->sp() - (kDartFrameFixedSize * kWordSize));
 #else
     // First argument is the lowest slot because stack is growing upwards.
     return reinterpret_cast<intptr_t*>(
-      frame->fp() - (kDartFrameFixedSize + num_args_) * kWordSize);
+        frame->fp() - (kDartFrameFixedSize + num_args_) * kWordSize);
 #endif  // !defined(TARGET_ARCH_DBC)
   }
 
   void set_dest_frame(const StackFrame* frame) {
     ASSERT(frame != NULL && dest_frame_ == NULL);
     dest_frame_ = FrameBase(frame);
   }
 
   Thread* thread() const { return thread_; }
   Zone* zone() const { return thread_->zone(); }
@@ skipping 464 matching lines @@
       public BitField<intptr_t, ICData::DeoptReasonId, 0, 8> { };
   class FlagsField : public BitField<intptr_t, uint32_t, 8, 8> { };
 
  private:
   static const intptr_t kEntrySize = 3;
 };
 
 }  // namespace dart
 
 #endif  // VM_DEOPT_INSTRUCTIONS_H_