Add --print-flow-graph-filter to allow filtering debugging output.

runtime/vm/compiler.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/compiler.h"
 
 #include "vm/assembler.h"
 
 #include "vm/ast_printer.h"
 #include "vm/block_scheduler.h"
@@ skipping 409 matching lines @@
             }
           }
         }
 
         flow_graph = pipeline->BuildFlowGraph(parsed_function,
                                               *ic_data_array,
                                               osr_id);
       }
 
       const bool print_flow_graph =
-          FLAG_print_flow_graph ||
-          (optimized && FLAG_print_flow_graph_optimized);
+          (FLAG_print_flow_graph ||
+          (optimized && FLAG_print_flow_graph_optimized)) &&
+          FlowGraphPrinter::ShouldPrint(function);
 
       if (print_flow_graph) {
         if (osr_id == Isolate::kNoDeoptId) {
           FlowGraphPrinter::PrintGraph("Before Optimizations", flow_graph);
         } else {
           FlowGraphPrinter::PrintGraph("For OSR", flow_graph);
         }
       }
 
       BlockScheduler block_scheduler(flow_graph);
@@ skipping 550 matching lines @@
     if (FLAG_trace_compiler) {
       OS::Print("--> '%s' entry: %#" Px " size: %" Pd " time: %" Pd64 " us\n",
                 function.ToFullyQualifiedCString(),
                 Code::Handle(function.CurrentCode()).EntryPoint(),
                 Code::Handle(function.CurrentCode()).Size(),
                 per_compile_timer.TotalElapsedTime());
     }
 
     isolate->debugger()->NotifyCompilation(function);
 
-    if (FLAG_disassemble) {
+    if (FLAG_disassemble && FlowGraphPrinter::ShouldPrint(function)) {
       DisassembleCode(function, optimized);
-    } else if (FLAG_disassemble_optimized && optimized) {
+    } else if (FLAG_disassemble_optimized &&
+               optimized &&
+               FlowGraphPrinter::ShouldPrint(function)) {
       // TODO(fschneider): Print unoptimized code along with the optimized code.
       OS::Print("*** BEGIN CODE\n");
       DisassembleCode(function, true);
       OS::Print("*** END CODE\n");
     }
 
     return Error::null();
   } else {
     Error& error = Error::Handle();
     // We got an error during compilation.
@@ skipping 191 matching lines @@
     const Object& result =
       PassiveObject::Handle(isolate->object_store()->sticky_error());
     isolate->object_store()->clear_sticky_error();
     return result.raw();
   }
   UNREACHABLE();
   return Object::null();
 }
 
 }  // namespace dart