Remove support for generating visualizer format file for the flowgraph.

runtime/vm/il_printer.cc

Index: runtime/vm/il_printer.cc
===================================================================
--- runtime/vm/il_printer.cc	(revision 13460)
+++ runtime/vm/il_printer.cc	(working copy)
@@ -169,11 +169,6 @@
 }
 
 
-void Instruction::PrintToVisualizer(BufferFormatter* f) const {
-  PrintTo(f);
-}
-
-
 void Definition::PrintTo(BufferFormatter* f) const {
   PrintUse(f, *this);
   if (is_used()) {
@@ -198,11 +193,6 @@
 }
 
 
-void Definition::PrintToVisualizer(BufferFormatter* f) const {
-  PrintTo(f);
-}
-
-
 void Value::PrintTo(BufferFormatter* f) const {
   PrintUse(f, *definition());
 }
@@ -649,214 +639,6 @@
 }
 
 
-void FlowGraphVisualizer::Print(const char* format, ...) {
-  char str[1000];
-  BufferFormatter f(str, sizeof(str));
-  f.Print("%*s", static_cast<int>(2 * indent_), "");
-  va_list args;
-  va_start(args, format);
-  f.VPrint(format, args);
-  va_end(args);
-  (*Dart::flow_graph_writer())(str, strlen(str));
-}
-
-
-void FlowGraphVisualizer::PrintInstruction(Instruction* instr) {
-  char str[1000];
-  BufferFormatter f(str, sizeof(str));
-  instr->PrintToVisualizer(&f);
-  if (FLAG_print_environments && (instr->env() != NULL)) {
-    instr->env()->PrintTo(&f);
-  }
-  f.Print(" <|@\n");
-  (*Dart::flow_graph_writer())(str, strlen(str));
-}
-
-
-void FlowGraphVisualizer::PrintFunction() {
-#define BEGIN(name)          \
-  Print("begin_%s\n", name); \
-  indent_++;
-#define END(name)          \
-  Print("end_%s\n", name); \
-  indent_--;
-
-  {
-    BEGIN("compilation");
-    const char* name = function_.ToFullyQualifiedCString();
-    Print("%s \"%s\"\n", "name", name);
-    Print("%s \"%s\"\n", "method", name);
-    Print("%s %d\n", "date", 0);  // Required field. Unused.
-    END("compilation");
-  }
-
-  {
-    BEGIN("cfg");
-    Print("%s \"%s\"\n", "name", "Flow graph builder");
-
-    for (intptr_t i = 0; i < block_order_.length(); ++i) {
-      BEGIN("block");
-      BlockEntryInstr* entry = block_order_[i];
-      Print("%s \"B%"Pd"\"\n", "name", entry->block_id());
-      Print("%s %d\n", "from_bci", -1);  // Required field. Unused.
-      Print("%s %d\n", "to_bci", -1);  // Required field. Unused.
-
-      Print("predecessors");
-      for (intptr_t j = 0; j < entry->PredecessorCount(); ++j) {
-        BlockEntryInstr* pred = entry->PredecessorAt(j);
-        Print(" \"B%"Pd"\"", pred->block_id());
-      }
-      Print("\n");
-
-      Print("successors");
-      Instruction* last = entry->last_instruction();
-      for (intptr_t j = 0; j < last->SuccessorCount(); ++j) {
-        intptr_t next_id = last->SuccessorAt(j)->block_id();
-        Print(" \"B%"Pd"\"", next_id);
-      }
-      Print("\n");
-
-      // TODO(fschneider): Use this for exception handlers.
-      Print("xhandlers\n");
-
-      // Can be freely used to mark blocks
-      Print("flags\n");
-
-      if (entry->dominator() != NULL) {
-        Print("%s \"B%"Pd"\"\n", "dominator", entry->dominator()->block_id());
-      }
-
-      // TODO(fschneider): Mark blocks with loop nesting level.
-      Print("%s %d\n", "loop_depth", 0);
-
-      {
-        BEGIN("states");  // Required section.
-        {
-          BEGIN("locals");  // Required section.
-          JoinEntryInstr* join = entry->AsJoinEntry();
-          intptr_t num_phis = (join != NULL && join->phi_count())
-              ? join->phis()->length()
-              : 0;
-          Print("%s %"Pd"\n", "size", num_phis);
-          for (intptr_t j = 0; j < num_phis; ++j) {
-            PhiInstr* phi = (*join->phis())[j];
-            if (phi != NULL) {
-              Print("%"Pd" ", j);  // Print variable index.
-              char buffer[120];
-              BufferFormatter formatter(buffer, sizeof(buffer));
-              phi->PrintToVisualizer(&formatter);
-              Print("%s\n", buffer);
-            }
-          }
-          END("locals");
-        }
-        END("states");
-      }
-
-      {
-        BEGIN("HIR");
-        // Print the block entry.
-        Print("0 0 ");  // Required fields "bci" and "use". Unused.
-        PrintInstruction(block_order_[i]);
-        // And all the successors until an exit, branch, or a block entry.
-        BlockEntryInstr* entry = block_order_[i];
-        Instruction* current = entry;
-        for (ForwardInstructionIterator it(entry); !it.Done(); it.Advance()) {
-          current = it.Current();
-          Print("0 0 ");
-          PrintInstruction(current);
-        }
-        if (current->next() != NULL) {
-          ASSERT(current->next()->IsBlockEntry());
-          Print("0 0 _ Goto B%"Pd" <|@\n",
-                current->next()->AsBlockEntry()->block_id());
-        }
-        END("HIR");
-      }
-      END("block");
-    }
-    END("cfg");
-  }
-#undef BEGIN
-#undef END
-}
-
-
-// === Printing instructions in a visualizer-understandable format:
-// "result instruction(op1, op2)" where result is a temporary name
-// or _ for instruction without result.
-void GraphEntryInstr::PrintToVisualizer(BufferFormatter* f) const {
-  const GrowableArray<Definition*>& defns = initial_definitions_;
-  f->Print("_ [graph]");
-  if (defns.length() > 0) {
-    f->Print(" init={ ");
-    for (intptr_t i = 0; i < defns.length(); ++i) {
-      if (i > 0) f->Print(", ");
-      defns[i]->PrintTo(f);
-    }
-    f->Print(" }");
-  }
-}
-
-
-void JoinEntryInstr::PrintToVisualizer(BufferFormatter* f) const {
-  f->Print("_ [join]");
-}
-
-
-void PhiInstr::PrintToVisualizer(BufferFormatter* f) const {
-  f->Print("v%"Pd" [", ssa_temp_index());
-  for (intptr_t i = 0; i < InputCount(); ++i) {
-    if (i > 0) f->Print(" ");
-    InputAt(i)->PrintTo(f);
-  }
-  f->Print("]");
-}
-
-
-void ParameterInstr::PrintToVisualizer(BufferFormatter* f) const {
-  ASSERT(HasSSATemp());
-  ASSERT(temp_index() == -1);
-  f->Print("v%"Pd" Parameter(%"Pd")", ssa_temp_index(), index());
-}
-
-
-void TargetEntryInstr::PrintToVisualizer(BufferFormatter* f) const {
-  f->Print("_ [target");
-  if (IsCatchEntry()) {
-    f->Print(" catch %"Pd"]", catch_try_index());
-  } else {
-    f->Print("]");
-  }
-}
-
-
-void PushArgumentInstr::PrintToVisualizer(BufferFormatter* f) const {
-  f->Print("_ %s ", DebugName());
-  value()->PrintTo(f);
-}
-
-
-void GotoInstr::PrintToVisualizer(BufferFormatter* f) const {
-  f->Print("_ goto B%"Pd"", successor()->block_id());
-}
-
-
-void BranchInstr::PrintToVisualizer(BufferFormatter* f) const {
-  f->Print("_ %s ", DebugName());
-  f->Print("if ");
-  comparison()->PrintTo(f);
-  f->Print(" goto (B%"Pd", B%"Pd")",
-            true_successor()->block_id(),
-            false_successor()->block_id());
-}
-
-
-void ParallelMoveInstr::PrintToVisualizer(BufferFormatter* f) const {
-  UNIMPLEMENTED();
-}
-
-
 void Environment::PrintTo(BufferFormatter* f) const {
   f->Print(" env={ ");
   int arg_count = 0;