NewGC: Merge bleeding edge up to 9009.

src/hydrogen-instructions.cc

Index: src/hydrogen-instructions.cc
===================================================================
--- src/hydrogen-instructions.cc	(revision 9006)
+++ src/hydrogen-instructions.cc	(working copy)
@@ -635,6 +635,13 @@
 }
 
 
+void HBoundsCheck::PrintDataTo(StringStream* stream) {
+  index()->PrintNameTo(stream);
+  stream->Add(" ");
+  length()->PrintNameTo(stream);
+}
+
+
 void HCallConstantFunction::PrintDataTo(StringStream* stream) {
   if (IsApplyFunction()) {
     stream->Add("optimized apply ");
@@ -771,7 +778,7 @@
 void HTypeofIsAndBranch::PrintDataTo(StringStream* stream) {
   value()->PrintNameTo(stream);
   stream->Add(" == ");
-  stream->Add(type_literal_->ToAsciiVector());
+  stream->Add(type_literal_->GetFlatContent().ToAsciiVector());
 }
 
 
@@ -862,19 +869,25 @@
 
 
 Range* HValue::InferRange() {
-  if (representation().IsTagged()) {
-    // Tagged values are always in int32 range when converted to integer,
-    // but they can contain -0.
-    Range* result = new Range();
-    result->set_can_be_minus_zero(true);
-    return result;
-  } else if (representation().IsNone()) {
-    return NULL;
-  } else {
-    // Untagged integer32 cannot be -0 and we don't compute ranges for
-    // untagged doubles.
-    return new Range();
+  // Untagged integer32 cannot be -0, all other representations can.
+  Range* result = new Range();
+  result->set_can_be_minus_zero(!representation().IsInteger32());
+  return result;
+}
+
+
+Range* HChange::InferRange() {
+  Range* input_range = value()->range();
+  if (from().IsInteger32() &&
+      to().IsTagged() &&
+      input_range != NULL && input_range->IsInSmiRange()) {
+    set_type(HType::Smi());
   }
+  Range* result = (input_range != NULL)
+      ? input_range->Copy()
+      : HValue::InferRange();
+  if (to().IsInteger32()) result->set_can_be_minus_zero(false);
+  return result;
 }
 
 
@@ -1223,6 +1236,7 @@
           ? left()->range()->Copy()
           : new Range();
       result->Sar(c->Integer32Value());
+      result->set_can_be_minus_zero(false);
       return result;
     }
   }
@@ -1246,6 +1260,7 @@
             ? left()->range()->Copy()
             : new Range();
         result->Sar(c->Integer32Value());
+        result->set_can_be_minus_zero(false);
         return result;
       }
     }
@@ -1262,6 +1277,7 @@
           ? left()->range()->Copy()
           : new Range();
       result->Shl(c->Integer32Value());
+      result->set_can_be_minus_zero(false);
       return result;
     }
   }
@@ -1309,7 +1325,7 @@
 
 HLoadNamedFieldPolymorphic::HLoadNamedFieldPolymorphic(HValue* context,
                                                        HValue* object,
-                                                       ZoneMapList* types,
+                                                       SmallMapList* types,
                                                        Handle<String> name)
     : types_(Min(types->length(), kMaxLoadPolymorphism)),
       name_(name),
@@ -1373,6 +1389,20 @@
 }
 
 
+void HLoadNamedFieldPolymorphic::PrintDataTo(StringStream* stream) {
+  object()->PrintNameTo(stream);
+  stream->Add(" .");
+  stream->Add(*String::cast(*name())->ToCString());
+}
+
+
+void HLoadNamedGeneric::PrintDataTo(StringStream* stream) {
+  object()->PrintNameTo(stream);
+  stream->Add(" .");
+  stream->Add(*String::cast(*name())->ToCString());
+}
+
+
 void HLoadKeyedFastElement::PrintDataTo(StringStream* stream) {
   object()->PrintNameTo(stream);
   stream->Add("[");