[intrinsics] Nuke %HasCachedArrayIndex and %GetCachedArrayIndex.

src/crankshaft/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.
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/crankshaft/x64/lithium-codegen-x64.h"
 
 #include "src/base/bits.h"
 #include "src/code-factory.h"
@@ skipping 2314 matching lines @@
   Register input = ToRegister(instr->value());
 
   if (!instr->hydrogen()->value()->type().IsHeapObject()) {
     __ JumpIfSmi(input, instr->FalseLabel(chunk_));
   }
 
   __ CmpObjectType(input, TestType(instr->hydrogen()), kScratchRegister);
   EmitBranch(instr, BranchCondition(instr->hydrogen()));
 }
 
-
-void LCodeGen::DoGetCachedArrayIndex(LGetCachedArrayIndex* instr) {
-  Register input = ToRegister(instr->value());
-  Register result = ToRegister(instr->result());
-
-  __ AssertString(input);
-
-  __ movl(result, FieldOperand(input, String::kHashFieldOffset));
-  DCHECK(String::kHashShift >= kSmiTagSize);
-  __ IndexFromHash(result, result);
-}
-
-
-void LCodeGen::DoHasCachedArrayIndexAndBranch(
-    LHasCachedArrayIndexAndBranch* instr) {
-  Register input = ToRegister(instr->value());
-
-  __ testl(FieldOperand(input, String::kHashFieldOffset),
-           Immediate(String::kContainsCachedArrayIndexMask));
-  EmitBranch(instr, equal);
-}
-
-
 // Branches to a label or falls through with the answer in the z flag.
 // Trashes the temp register.
 void LCodeGen::EmitClassOfTest(Label* is_true,
                                Label* is_false,
                                Handle<String> class_name,
                                Register input,
                                Register temp,
                                Register temp2) {
   DCHECK(!input.is(temp));
   DCHECK(!input.is(temp2));
@@ skipping 3099 matching lines @@
   __ bind(deferred->exit());
   __ bind(&done);
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64