[strong] Refactor ObjectStrength into a replacement for strong boolean args

src/x64/lithium-codegen-x64.cc

 // 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.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/base/bits.h"
 #include "src/code-factory.h"
@@ skipping 2081 matching lines @@
   }
 }
 
 
 void LCodeGen::DoArithmeticT(LArithmeticT* instr) {
   DCHECK(ToRegister(instr->context()).is(rsi));
   DCHECK(ToRegister(instr->left()).is(rdx));
   DCHECK(ToRegister(instr->right()).is(rax));
   DCHECK(ToRegister(instr->result()).is(rax));
 
-  Handle<Code> code = CodeFactory::BinaryOpIC(
-      isolate(), instr->op(), instr->language_mode()).code();
+  Handle<Code> code =
+      CodeFactory::BinaryOpIC(isolate(), instr->op(), instr->strength()).code();
   CallCode(code, RelocInfo::CODE_TARGET, instr);
 }
 
 
 template<class InstrType>
 void LCodeGen::EmitBranch(InstrType instr, Condition cc) {
   int left_block = instr->TrueDestination(chunk_);
   int right_block = instr->FalseDestination(chunk_);
 
   int next_block = GetNextEmittedBlock();
@@ skipping 422 matching lines @@
   __ testb(FieldOperand(temp, Map::kBitFieldOffset),
            Immediate(1 << Map::kIsUndetectable));
   EmitBranch(instr, not_zero);
 }
 
 
 void LCodeGen::DoStringCompareAndBranch(LStringCompareAndBranch* instr) {
   DCHECK(ToRegister(instr->context()).is(rsi));
   Token::Value op = instr->op();
 
-  Handle<Code> ic = CodeFactory::CompareIC(isolate(), op, SLOPPY).code();
+  Handle<Code> ic =
+      CodeFactory::CompareIC(isolate(), op, Strength::WEAK).code();
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
 
   Condition condition = TokenToCondition(op, false);
   __ testp(rax, rax);
 
   EmitBranch(instr, condition);
 }
 
 
 static InstanceType TestType(HHasInstanceTypeAndBranch* instr) {
@@ skipping 264 matching lines @@
   __ LoadRoot(rax, Heap::kFalseValueRootIndex);
   __ bind(&done);
 }
 
 
 void LCodeGen::DoCmpT(LCmpT* instr) {
   DCHECK(ToRegister(instr->context()).is(rsi));
   Token::Value op = instr->op();
 
   Handle<Code> ic =
-      CodeFactory::CompareIC(isolate(), op, instr->language_mode()).code();
+      CodeFactory::CompareIC(isolate(), op, instr->strength()).code();
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
 
   Condition condition = TokenToCondition(op, false);
   Label true_value, done;
   __ testp(rax, rax);
   __ j(condition, &true_value, Label::kNear);
   __ LoadRoot(ToRegister(instr->result()), Heap::kFalseValueRootIndex);
   __ jmp(&done, Label::kNear);
   __ bind(&true_value);
   __ LoadRoot(ToRegister(instr->result()), Heap::kTrueValueRootIndex);
@@ skipping 3185 matching lines @@
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64