Preview of a first step towards unification of hydrogen calls

src/hydrogen-instructions.cc

Index: src/hydrogen-instructions.cc
diff --git a/src/hydrogen-instructions.cc b/src/hydrogen-instructions.cc
index 59341c032a65042feca41112fba2fc9ef7afa460..40b5afa65facb4504679511cdf758ddde0f7e27f 100644
--- a/src/hydrogen-instructions.cc
+++ b/src/hydrogen-instructions.cc
@@ -840,6 +840,39 @@ void HUnaryCall::PrintDataTo(StringStream* stream) {
 }
 
 
+void HCallJSFunction::PrintDataTo(StringStream* stream) {
+  OperandAt(0)->PrintNameTo(stream);
+  stream->Add(" ");
+  OperandAt(1)->PrintNameTo(stream);
+  stream->Add(" ");
+  stream->Add("#%d", argument_count());
+}
+
+
+HCallJSFunction* HCallJSFunction::New(
+    Zone* zone,
+    HValue* context,
+    HValue* function,
+    int argument_count,
+    bool pass_argument_count) {
+  bool has_stack_check = false;
+  if (function->IsConstant()) {
+    HConstant* fun_const = HConstant::cast(function);
+    Handle<JSFunction> jsfun =
+        Handle<JSFunction>::cast(fun_const->handle(zone->isolate()));
+    has_stack_check = !jsfun.is_null() &&
+        (jsfun->code()->kind() == Code::FUNCTION ||
+         jsfun->code()->kind() == Code::OPTIMIZED_FUNCTION);
+  }
+
+  return new(zone) HCallJSFunction(
+      function, argument_count, pass_argument_count,
+      has_stack_check);
+}
+
+
+
+
 void HBinaryCall::PrintDataTo(StringStream* stream) {
   first()->PrintNameTo(stream);
   stream->Add(" ");
@@ -965,28 +998,15 @@ void HBoundsCheckBaseIndexInformation::PrintDataTo(StringStream* stream) {
 }
 
 
-void HCallConstantFunction::PrintDataTo(StringStream* stream) {
-  if (IsApplyFunction()) {
-    stream->Add("optimized apply ");
-  } else {
-    stream->Add("%o ", function()->shared()->DebugName());
+void HCallWithDescriptor::PrintDataTo(StringStream* stream) {
+  for (int i = 0; i < OperandCount(); i++) {
+    OperandAt(i)->PrintNameTo(stream);
+    stream->Add(" ");
   }
   stream->Add("#%d", argument_count());
 }
 
 
-void HCallNamed::PrintDataTo(StringStream* stream) {
-  stream->Add("%o ", *name());
-  HUnaryCall::PrintDataTo(stream);
-}
-
-
-void HCallKnownGlobal::PrintDataTo(StringStream* stream) {
-  stream->Add("%o ", target()->shared()->DebugName());
-  stream->Add("#%d", argument_count());
-}
-
-
 void HCallNewArray::PrintDataTo(StringStream* stream) {
   stream->Add(ElementsKindToString(elements_kind()));
   stream->Add(" ");