Preliminary support for block contexts in hydrogen.

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/double.h"
 #include "src/factory.h"
 #include "src/hydrogen-infer-representation.h"
 #include "src/property-details-inl.h"
@@ skipping 828 matching lines @@
     case HValue::kLoadRoot:
     case HValue::kMapEnumLength:
     case HValue::kMathMinMax:
     case HValue::kParameter:
     case HValue::kPhi:
     case HValue::kPushArguments:
     case HValue::kRegExpLiteral:
     case HValue::kReturn:
     case HValue::kSeqStringGetChar:
     case HValue::kStoreCodeEntry:
+    case HValue::kStoreFrameContext:
     case HValue::kStoreKeyed:
     case HValue::kStoreNamedField:
     case HValue::kStoreNamedGeneric:
     case HValue::kStringCharCodeAt:
     case HValue::kStringCharFromCode:
     case HValue::kThisFunction:
     case HValue::kTypeofIsAndBranch:
     case HValue::kUnknownOSRValue:
     case HValue::kUseConst:
       return false;
 
     case HValue::kAdd:
+    case HValue::kAllocateBlockContext:
     case HValue::kApplyArguments:
     case HValue::kBitwise:
     case HValue::kBoundsCheck:
     case HValue::kBranch:
     case HValue::kCallJSFunction:
     case HValue::kCallRuntime:
     case HValue::kChange:
     case HValue::kCheckHeapObject:
     case HValue::kCheckInstanceType:
     case HValue::kCheckMapValue:
@@ skipping 258 matching lines @@
 
 void HAccessArgumentsAt::PrintDataTo(StringStream* stream) {
   arguments()->PrintNameTo(stream);
   stream->Add("[");
   index()->PrintNameTo(stream);
   stream->Add("], length ");
   length()->PrintNameTo(stream);
 }
 
 
+void HAllocateBlockContext::PrintDataTo(StringStream* stream) {
+  context()->PrintNameTo(stream);
+  stream->Add(" ");
+  function()->PrintNameTo(stream);
+}
+
+
 void HControlInstruction::PrintDataTo(StringStream* stream) {
   stream->Add(" goto (");
   bool first_block = true;
   for (HSuccessorIterator it(this); !it.Done(); it.Advance()) {
     stream->Add(first_block ? "B%d" : ", B%d", it.Current()->block_id());
     first_block = false;
   }
   stream->Add(")");
 }
 
@@ skipping 3704 matching lines @@
       break;
     case kExternalMemory:
       stream->Add("[external-memory]");
       break;
   }
 
   stream->Add("@%d", offset());
 }
 
 } }  // namespace v8::internal