Use AST's type field and merge types for unary, binary & compare ICs

src/arm/code-stubs-arm.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 2057 matching lines @@
         masm, BinaryOpIC::UNINITIALIZED, BinaryOpIC::UNINITIALIZED, true,
         use_runtime, gc_required, &not_smis, op, mode);
   }
   __ bind(&not_smis);
 }
 
 
 void BinaryOpStub::GenerateSmiStub(MacroAssembler* masm) {
   Label right_arg_changed, call_runtime;
 
-  if (op_ == Token::MOD && has_fixed_right_arg_) {
+  if (op_ == Token::MOD && encoded_right_arg_.has_value) {
     // It is guaranteed that the value will fit into a Smi, because if it
     // didn't, we wouldn't be here, see BinaryOp_Patch.
     __ cmp(r0, Operand(Smi::FromInt(fixed_right_arg_value())));
     __ b(ne, &right_arg_changed);
   }
 
   if (result_type_ == BinaryOpIC::UNINITIALIZED ||
       result_type_ == BinaryOpIC::SMI) {
     // Only allow smi results.
     BinaryOpStub_GenerateSmiCode(
@@ skipping 156 matching lines @@
                                                   mode_);
         __ sub(r0, heap_number_result, Operand(kHeapObjectTag));
         __ vstr(d5, r0, HeapNumber::kValueOffset);
         __ mov(r0, heap_number_result);
         __ Ret();
 
         // A DIV operation expecting an integer result falls through
         // to type transition.
 
       } else {
-        if (has_fixed_right_arg_) {
+        if (encoded_right_arg_.has_value) {
           __ Vmov(d8, fixed_right_arg_value(), scratch1);
           __ VFPCompareAndSetFlags(d1, d8);
           __ b(ne, &transition);
         }
 
         // We preserved r0 and r1 to be able to call runtime.
         // Save the left value on the stack.
         __ Push(r5, r4);
 
         Label pop_and_call_runtime;
@@ skipping 5222 matching lines @@
     __ Jump(generic_construct_stub, RelocInfo::CODE_TARGET);
   }
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM