[turbofan] Introduce initial support for TypedArrays.

src/compiler/simplified-operator.cc

 // Copyright 2012 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/compiler/simplified-operator.h"
 
 #include "src/base/lazy-instance.h"
 #include "src/compiler/opcodes.h"
 #include "src/compiler/operator.h"
 #include "src/types.h"
@@ skipping 163 matching lines @@
 }
 
 
 const ElementAccess& ElementAccessOf(const Operator* op) {
   DCHECK_NOT_NULL(op);
   DCHECK(op->opcode() == IrOpcode::kLoadElement ||
          op->opcode() == IrOpcode::kStoreElement);
   return OpParameter<ElementAccess>(op);
 }
 
+ExternalArrayType ExternalArrayTypeOf(const Operator* op) {
+  DCHECK(op->opcode() == IrOpcode::kLoadTypedElement ||
+         op->opcode() == IrOpcode::kStoreTypedElement);
+  return OpParameter<ExternalArrayType>(op);
+}
+
 size_t hash_value(CheckFloat64HoleMode mode) {
   return static_cast<size_t>(mode);
 }
 
 std::ostream& operator<<(std::ostream& os, CheckFloat64HoleMode mode) {
   switch (mode) {
     case CheckFloat64HoleMode::kAllowReturnHole:
       return os << "allow-return-hole";
     case CheckFloat64HoleMode::kNeverReturnHole:
       return os << "never-return-hole";
@@ skipping 433 matching lines @@
 }
 
 const Operator* SimplifiedOperatorBuilder::SpeculativeNumberLessThanOrEqual(
     CompareOperationHints::Hint hint) {
   return new (zone()) Operator1<CompareOperationHints::Hint>(
       IrOpcode::kSpeculativeNumberLessThanOrEqual,
       Operator::kFoldable | Operator::kNoThrow,
       "SpeculativeNumberLessThanOrEqual", 2, 1, 1, 1, 1, 0, hint);
 }
 
-#define ACCESS_OP_LIST(V)                                    \
-  V(LoadField, FieldAccess, Operator::kNoWrite, 1, 1, 1)     \
-  V(StoreField, FieldAccess, Operator::kNoRead, 2, 1, 0)     \
-  V(LoadElement, ElementAccess, Operator::kNoWrite, 2, 1, 1) \
-  V(StoreElement, ElementAccess, Operator::kNoRead, 3, 1, 0)
+#define ACCESS_OP_LIST(V)                                             \
+  V(LoadField, FieldAccess, Operator::kNoWrite, 1, 1, 1)              \
+  V(StoreField, FieldAccess, Operator::kNoRead, 2, 1, 0)              \
+  V(LoadElement, ElementAccess, Operator::kNoWrite, 2, 1, 1)          \
+  V(StoreElement, ElementAccess, Operator::kNoRead, 3, 1, 0)          \
+  V(LoadTypedElement, ExternalArrayType, Operator::kNoWrite, 4, 1, 1) \
+  V(StoreTypedElement, ExternalArrayType, Operator::kNoRead, 5, 1, 0)
 
 #define ACCESS(Name, Type, properties, value_input_count, control_input_count, \
                output_count)                                                   \
   const Operator* SimplifiedOperatorBuilder::Name(const Type& access) {        \
     return new (zone())                                                        \
         Operator1<Type>(IrOpcode::k##Name,                                     \
                         Operator::kNoDeopt | Operator::kNoThrow | properties,  \
                         #Name, value_input_count, 1, control_input_count,      \
                         output_count, 1, 0, access);                           \
   }
 ACCESS_OP_LIST(ACCESS)
 #undef ACCESS
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8