[arm64] cleanup heap numbers detection

src/arm64/lithium-codegen-arm64.h

 // Copyright 2013 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_ARM64_LITHIUM_CODEGEN_ARM64_H_
 #define V8_ARM64_LITHIUM_CODEGEN_ARM64_H_
 
 #include "src/arm64/lithium-arm64.h"
 
 #include "src/arm64/lithium-gap-resolver-arm64.h"
@@ skipping 210 matching lines @@
   void DeoptimizeIf(Condition cond, LInstruction* instr);
   void DeoptimizeIfZero(Register rt, LInstruction* instr);
   void DeoptimizeIfNotZero(Register rt, LInstruction* instr);
   void DeoptimizeIfNegative(Register rt, LInstruction* instr);
   void DeoptimizeIfSmi(Register rt, LInstruction* instr);
   void DeoptimizeIfNotSmi(Register rt, LInstruction* instr);
   void DeoptimizeIfRoot(Register rt, Heap::RootListIndex index,
                         LInstruction* instr);
   void DeoptimizeIfNotRoot(Register rt, Heap::RootListIndex index,
                            LInstruction* instr);
+  void DeoptimizeIfNotHeapNumber(Register object, LInstruction* instr);
   void DeoptimizeIfMinusZero(DoubleRegister input, LInstruction* instr);
   void DeoptimizeIfBitSet(Register rt, int bit, LInstruction* instr);
   void DeoptimizeIfBitClear(Register rt, int bit, LInstruction* instr);
 
   MemOperand PrepareKeyedExternalArrayOperand(Register key,
                                               Register base,
                                               Register scratch,
                                               bool key_is_smi,
                                               bool key_is_constant,
                                               int constant_key,
@@ skipping 211 matching lines @@
 
  protected:
   MacroAssembler* masm() const { return codegen_->masm(); }
 
   LCodeGen* codegen_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM64_LITHIUM_CODEGEN_ARM64_H_