Add support for on-heap typed arrays to HLoadKeyed::InferRange

src/hydrogen-instructions.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/v8.h"
 
 #include "src/base/bits.h"
 #include "src/double.h"
 #include "src/factory.h"
 #include "src/hydrogen-infer-representation.h"
@@ skipping 3180 matching lines @@
   if (access().IsStringLength()) {
     return new(zone) Range(0, String::kMaxLength);
   }
   return HValue::InferRange(zone);
 }
 
 
 Range* HLoadKeyed::InferRange(Zone* zone) {
   switch (elements_kind()) {
     case EXTERNAL_INT8_ELEMENTS:
+    case INT8_ELEMENTS:
       return new(zone) Range(kMinInt8, kMaxInt8);
     case EXTERNAL_UINT8_ELEMENTS:
     case EXTERNAL_UINT8_CLAMPED_ELEMENTS:
+    case UINT8_ELEMENTS:
+    case UINT8_CLAMPED_ELEMENTS:
       return new(zone) Range(kMinUInt8, kMaxUInt8);
     case EXTERNAL_INT16_ELEMENTS:
+    case INT16_ELEMENTS:
       return new(zone) Range(kMinInt16, kMaxInt16);
     case EXTERNAL_UINT16_ELEMENTS:
+    case UINT16_ELEMENTS:
       return new(zone) Range(kMinUInt16, kMaxUInt16);
     default:
       return HValue::InferRange(zone);
   }
 }
 
 
 std::ostream& HCompareGeneric::PrintDataTo(std::ostream& os) const {  // NOLINT
   os << Token::Name(token()) << " ";
   return HBinaryOperation::PrintDataTo(os);
@@ skipping 1501 matching lines @@
       break;
     case HObjectAccess::kExternalMemory:
       os << "[external-memory]";
       break;
   }
 
   return os << "@" << access.offset();
 }
 
 } }  // namespace v8::internal