Range feedback for binary integer operations.

runtime/vm/il_printer.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/il_printer.h"
 
 #include "vm/flow_graph_range_analysis.h"
 #include "vm/intermediate_language.h"
 #include "vm/os.h"
 #include "vm/parser.h"
@@ skipping 119 matching lines @@
 
 const char* CompileType::ToCString() const {
   char buffer[1024];
   BufferFormatter f(buffer, sizeof(buffer));
   PrintTo(&f);
   return Isolate::Current()->current_zone()->MakeCopyOfString(buffer);
 }
 
 
 static void PrintICDataHelper(BufferFormatter* f, const ICData& ic_data) {
-  f->Print(" IC[%" Pd ": ", ic_data.NumberOfChecks());
+  f->Print(" IC[");
+  if (ic_data.HasRangeFeedback()) {
+    f->Print("{%s",
+        ICData::RangeFeedbackToString(ic_data.DecodeRangeFeedbackAt(0)));
+    if (ic_data.NumArgsTested() == 2) {
+      f->Print(" x %s",
+          ICData::RangeFeedbackToString(ic_data.DecodeRangeFeedbackAt(1)));
+    }
+    f->Print("->%s} ",
+        ICData::RangeFeedbackToString(ic_data.DecodeRangeFeedbackAt(2)));
+  }
+  f->Print("%" Pd ": ", ic_data.NumberOfChecks());
   Function& target = Function::Handle();
   for (intptr_t i = 0; i < ic_data.NumberOfChecks(); i++) {
     GrowableArray<intptr_t> class_ids;
     ic_data.GetCheckAt(i, &class_ids, &target);
     const intptr_t count = ic_data.GetCountAt(i);
     if (i > 0) {
       f->Print(" | ");
     }
     for (intptr_t k = 0; k < class_ids.length(); k++) {
       if (k > 0) {
@@ skipping 997 matching lines @@
 }
 
 const char* Environment::ToCString() const {
   char buffer[1024];
   BufferFormatter bf(buffer, 1024);
   PrintTo(&bf);
   return Isolate::Current()->current_zone()->MakeCopyOfString(buffer);
 }
 
 }  // namespace dart