Split some SharedFunctionInfo's compiler hints off into debugger hints.

src/builtins/mips/builtins-mips.cc

 // Copyright 2012 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.
 
 #if V8_TARGET_ARCH_MIPS
 
 #include "src/codegen.h"
 #include "src/debug/debug.h"
 #include "src/deoptimizer.h"
 #include "src/full-codegen/full-codegen.h"
@@ skipping 987 matching lines @@
   FrameScope frame_scope(masm, StackFrame::MANUAL);
   __ PushStandardFrame(a1);
 
   // Get the bytecode array from the function object (or from the DebugInfo if
   // it is present) and load it into kInterpreterBytecodeArrayRegister.
   __ lw(a0, FieldMemOperand(a1, JSFunction::kSharedFunctionInfoOffset));
   Label load_debug_bytecode_array, bytecode_array_loaded;
   Register debug_info = kInterpreterBytecodeArrayRegister;
   DCHECK(!debug_info.is(a0));
   __ lw(debug_info, FieldMemOperand(a0, SharedFunctionInfo::kDebugInfoOffset));
-  __ Branch(&load_debug_bytecode_array, ne, debug_info,
-            Operand(DebugInfo::uninitialized()));
+  __ JumpIfNotSmi(debug_info, &load_debug_bytecode_array);
   __ lw(kInterpreterBytecodeArrayRegister,
         FieldMemOperand(a0, SharedFunctionInfo::kFunctionDataOffset));
   __ bind(&bytecode_array_loaded);
 
   // Check whether we should continue to use the interpreter.
   Label switch_to_different_code_kind;
   __ lw(a0, FieldMemOperand(a0, SharedFunctionInfo::kCodeOffset));
   __ Branch(&switch_to_different_code_kind, ne, a0,
             Operand(masm->CodeObject()));  // Self-reference to this code.
 
@@ skipping 2085 matching lines @@
     __ break_(0xCC);
   }
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_MIPS