Reland of "Remove ExternalArray, derived types, and element kinds"

src/arm64/lithium-arm64.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 <sstream>
 
 #include "src/v8.h"
 
 #include "src/arm64/lithium-codegen-arm64.h"
 #include "src/hydrogen-osr.h"
@@ skipping 1710 matching lines @@
   return MarkAsCall(DefineFixed(result, x0), instr);
 }
 
 
 LInstruction* LChunkBuilder::DoLoadKeyed(HLoadKeyed* instr) {
   DCHECK(instr->key()->representation().IsSmiOrInteger32());
   ElementsKind elements_kind = instr->elements_kind();
   LOperand* elements = UseRegister(instr->elements());
   LOperand* key = UseRegisterOrConstant(instr->key());
 
-  if (!instr->is_typed_elements()) {
+  if (!instr->is_fixed_typed_array()) {
     if (instr->representation().IsDouble()) {
       LOperand* temp = (!instr->key()->IsConstant() ||
                         instr->RequiresHoleCheck())
              ? TempRegister()
              : NULL;
       LInstruction* result = DefineAsRegister(
           new (zone()) LLoadKeyedFixedDouble(elements, key, temp));
       if (instr->RequiresHoleCheck()) {
         result = AssignEnvironment(result);
       }
@@ skipping 13 matching lines @@
     }
   } else {
     DCHECK((instr->representation().IsInteger32() &&
             !IsDoubleOrFloatElementsKind(instr->elements_kind())) ||
            (instr->representation().IsDouble() &&
             IsDoubleOrFloatElementsKind(instr->elements_kind())));
 
     LOperand* temp = instr->key()->IsConstant() ? NULL : TempRegister();
     LInstruction* result = DefineAsRegister(
         new(zone()) LLoadKeyedExternal(elements, key, temp));
-    if ((elements_kind == EXTERNAL_UINT32_ELEMENTS ||
-         elements_kind == UINT32_ELEMENTS) &&
+    if (elements_kind == UINT32_ELEMENTS &&
         !instr->CheckFlag(HInstruction::kUint32)) {
       result = AssignEnvironment(result);
     }
     return result;
   }
 }
 
 
 LInstruction* LChunkBuilder::DoLoadKeyedGeneric(HLoadKeyedGeneric* instr) {
   LOperand* context = UseFixed(instr->context(), cp);
@@ skipping 583 matching lines @@
   return result;
 }
 
 
 LInstruction* LChunkBuilder::DoStoreKeyed(HStoreKeyed* instr) {
   LOperand* key = UseRegisterOrConstant(instr->key());
   LOperand* temp = NULL;
   LOperand* elements = NULL;
   LOperand* val = NULL;
 
-  if (!instr->is_typed_elements() &&
+  if (!instr->is_fixed_typed_array() &&
       instr->value()->representation().IsTagged() &&
       instr->NeedsWriteBarrier()) {
     // RecordWrite() will clobber all registers.
     elements = UseRegisterAndClobber(instr->elements());
     val = UseRegisterAndClobber(instr->value());
     temp = TempRegister();
   } else {
     elements = UseRegister(instr->elements());
     val = UseRegister(instr->value());
     temp = instr->key()->IsConstant() ? NULL : TempRegister();
   }
 
-  if (instr->is_typed_elements()) {
+  if (instr->is_fixed_typed_array()) {
     DCHECK((instr->value()->representation().IsInteger32() &&
             !IsDoubleOrFloatElementsKind(instr->elements_kind())) ||
            (instr->value()->representation().IsDouble() &&
             IsDoubleOrFloatElementsKind(instr->elements_kind())));
     DCHECK(instr->elements()->representation().IsExternal());
     return new(zone()) LStoreKeyedExternal(elements, key, val, temp);
 
   } else if (instr->value()->representation().IsDouble()) {
     DCHECK(instr->elements()->representation().IsTagged());
     return new(zone()) LStoreKeyedFixedDouble(elements, key, val, temp);
@@ skipping 418 matching lines @@
   LOperand* context = UseFixed(instr->context(), cp);
   LOperand* function = UseRegisterAtStart(instr->function());
   LAllocateBlockContext* result =
       new(zone()) LAllocateBlockContext(context, function);
   return MarkAsCall(DefineFixed(result, cp), instr);
 }
 
 
 }  // namespace internal
 }  // namespace v8