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

src/x64/lithium-codegen-x64.cc

 // Copyright 2013 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 1016 matching lines @@
       if (hmod->CheckFlag(HValue::kBailoutOnMinusZero)) {
         DeoptimizeIf(zero, instr->environment());
       }
       __ jmp(&done, Label::kNear);
     }
 
     __ bind(&left_is_not_negative);
     __ andl(left_reg, Immediate(divisor - 1));
     __ bind(&done);
 
-  } else if (hmod->has_fixed_right_arg()) {
+  } else if (hmod->fixed_right_arg().has_value) {
     Register left_reg = ToRegister(instr->left());
     ASSERT(left_reg.is(ToRegister(instr->result())));
     Register right_reg = ToRegister(instr->right());
 
-    int32_t divisor = hmod->fixed_right_arg_value();
+    int32_t divisor = hmod->fixed_right_arg().value;
     ASSERT(IsPowerOf2(divisor));
 
     // Check if our assumption of a fixed right operand still holds.
     __ cmpl(right_reg, Immediate(divisor));
     DeoptimizeIf(not_equal, instr->environment());
 
     Label left_is_not_negative, done;
     if (left->CanBeNegative()) {
       __ testl(left_reg, left_reg);
       __ j(not_sign, &left_is_not_negative, Label::kNear);
@@ skipping 4593 matching lines @@
                                FixedArray::kHeaderSize - kPointerSize));
   __ bind(&done);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64