Begin changing Hydrogen branch instructions.

src/hydrogen-instructions.cc

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 552 matching lines @@
 void HCallConstantFunction::PrintDataTo(StringStream* stream) const {
   if (IsApplyFunction()) {
     stream->Add("SPECIAL function: apply");
   } else {
     stream->Add("%s", *(function()->shared()->DebugName()->ToCString()));
   }
   HCall::PrintDataTo(stream);
 }
 
 
-void HBranch::PrintDataTo(StringStream* stream) const {
-  int first_id = FirstSuccessor()->block_id();
-  int second_id = SecondSuccessor()->block_id();
-  stream->Add("on ");
-  value()->PrintNameTo(stream);
-  stream->Add(" (B%d, B%d)", first_id, second_id);
+void HControlInstruction::PrintDataTo(StringStream* stream) const {
+  if (FirstSuccessor() != NULL) {
+    int first_id = FirstSuccessor()->block_id();
+    if (SecondSuccessor() == NULL) {
+      stream->Add(" B%d", first_id);
+    } else {
+      int second_id = SecondSuccessor()->block_id();
+      stream->Add(" goto (B%d, B%d)", first_id, second_id);
+    }
+  }
 }
 
 
-void HCompareMapAndBranch::PrintDataTo(StringStream* stream) const {
-  stream->Add("on ");
+void HUnaryControlInstruction::PrintDataTo(StringStream* stream) const {
   value()->PrintNameTo(stream);
-  stream->Add(" (%p)", *map());
+  HControlInstruction::PrintDataTo(stream);
 }
 
 
-void HGoto::PrintDataTo(StringStream* stream) const {
-  stream->Add("B%d", FirstSuccessor()->block_id());
+void HCompareMap::PrintDataTo(StringStream* stream) const {
+  value()->PrintNameTo(stream);
+  stream->Add(" (%p)", *map());
+  HControlInstruction::PrintDataTo(stream);
 }
 
 
-void HReturn::PrintDataTo(StringStream* stream) const {
-  value()->PrintNameTo(stream);
-}
-
-
-void HThrow::PrintDataTo(StringStream* stream) const {
-  value()->PrintNameTo(stream);
-}
-
-
 const char* HUnaryMathOperation::OpName() const {
   switch (op()) {
     case kMathFloor: return "floor";
     case kMathRound: return "round";
     case kMathCeil: return "ceil";
     case kMathAbs: return "abs";
     case kMathLog: return "log";
     case kMathSin: return "sin";
     case kMathCos: return "cos";
     case kMathTan: return "tan";
@@ skipping 829 matching lines @@
 
 
 void HCheckPrototypeMaps::Verify() const {
   HInstruction::Verify();
   ASSERT(HasNoUses());
 }
 
 #endif
 
 } }  // namespace v8::internal