[turbofan] Add checked load/store operators.

src/compiler/access-builder.cc

 // Copyright 2014 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/access-builder.h"
 #include "src/types-inl.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
@@ skipping 56 matching lines @@
 
 // static
 FieldAccess AccessBuilder::ForValue() {
   return {kTaggedBase, JSValue::kValueOffset, Handle<Name>(), Type::Any(),
           kMachAnyTagged};
 }
 
 
 // static
 ElementAccess AccessBuilder::ForFixedArrayElement() {
-  return {kNoBoundsCheck, kTaggedBase, FixedArray::kHeaderSize, Type::Any(),
-          kMachAnyTagged};
+  return {kTaggedBase, FixedArray::kHeaderSize, Type::Any(), kMachAnyTagged};
 }
 
 
 // static
 ElementAccess AccessBuilder::ForTypedArrayElement(ExternalArrayType type,
                                                   bool is_external) {
   BaseTaggedness taggedness = is_external ? kUntaggedBase : kTaggedBase;
   int header_size = is_external ? 0 : FixedTypedArrayBase::kDataOffset;
   switch (type) {
     case kExternalInt8Array:
-      return {kTypedArrayBoundsCheck, taggedness, header_size, Type::Signed32(),
-              kMachInt8};
+      return {taggedness, header_size, Type::Signed32(), kMachInt8};
     case kExternalUint8Array:
     case kExternalUint8ClampedArray:
-      return {kTypedArrayBoundsCheck, taggedness, header_size,
-              Type::Unsigned32(), kMachUint8};
+      return {taggedness, header_size, Type::Unsigned32(), kMachUint8};
     case kExternalInt16Array:
-      return {kTypedArrayBoundsCheck, taggedness, header_size, Type::Signed32(),
-              kMachInt16};
+      return {taggedness, header_size, Type::Signed32(), kMachInt16};
     case kExternalUint16Array:
-      return {kTypedArrayBoundsCheck, taggedness, header_size,
-              Type::Unsigned32(), kMachUint16};
+      return {taggedness, header_size, Type::Unsigned32(), kMachUint16};
     case kExternalInt32Array:
-      return {kTypedArrayBoundsCheck, taggedness, header_size, Type::Signed32(),
-              kMachInt32};
+      return {taggedness, header_size, Type::Signed32(), kMachInt32};
     case kExternalUint32Array:
-      return {kTypedArrayBoundsCheck, taggedness, header_size,
-              Type::Unsigned32(), kMachUint32};
+      return {taggedness, header_size, Type::Unsigned32(), kMachUint32};
     case kExternalFloat32Array:
-      return {kTypedArrayBoundsCheck, taggedness, header_size, Type::Number(),
-              kMachFloat32};
+      return {taggedness, header_size, Type::Number(), kMachFloat32};
     case kExternalFloat64Array:
-      return {kTypedArrayBoundsCheck, taggedness, header_size, Type::Number(),
-              kMachFloat64};
+      return {taggedness, header_size, Type::Number(), kMachFloat64};
   }
   UNREACHABLE();
-  return {kTypedArrayBoundsCheck, kUntaggedBase, 0, Type::None(), kMachNone};
+  return {kUntaggedBase, 0, Type::None(), kMachNone};
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8