Fixed inlining of constant values

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 1494 matching lines @@
 
 OStream& HTypeof::PrintDataTo(OStream& os) const {  // NOLINT
   return os << NameOf(value());
 }
 
 
 HInstruction* HForceRepresentation::New(Zone* zone, HValue* context,
        HValue* value, Representation representation) {
   if (FLAG_fold_constants && value->IsConstant()) {
     HConstant* c = HConstant::cast(value);
-    if (c->HasNumberValue()) {
-      double double_res = c->DoubleValue();
-      if (representation.IsDouble()) {
-        return HConstant::New(zone, context, double_res);
-
-      } else if (representation.CanContainDouble(double_res)) {
-        return HConstant::New(zone, context,
-                              static_cast<int32_t>(double_res),
-                              representation);
-      }
-    }
+    c = c->CopyToRepresentation(representation, zone);
+    if (c != NULL) return c;
   }
   return new(zone) HForceRepresentation(value, representation);
 }
 
 
 OStream& HForceRepresentation::PrintDataTo(OStream& os) const {  // NOLINT
   return os << representation().Mnemonic() << " " << NameOf(value());
 }
 
 
@@ skipping 3231 matching lines @@
       break;
     case HObjectAccess::kExternalMemory:
       os << "[external-memory]";
       break;
   }
 
   return os << "@" << access.offset();
 }
 
 } }  // namespace v8::internal