Reland "Add DoubleTestOp instruction"

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 708 matching lines @@
 
 
 void BinaryDoubleOpInstr::PrintOperandsTo(BufferFormatter* f) const {
   f->Print("%s, ", Token::Str(op_kind()));
   left()->PrintTo(f);
   f->Print(", ");
   right()->PrintTo(f);
 }
 
 
+void DoubleTestOpInstr::PrintOperandsTo(BufferFormatter* f) const {
+  switch (op_kind()) {
+    case MethodRecognizer::kDouble_getIsNaN:
+      f->Print("IsNaN ");
+      break;
+    case MethodRecognizer::kDouble_getIsInfinite:
+      f->Print("IsInfinite ");
+      break;
+    default:
+      UNREACHABLE();
+  }
+  value()->PrintTo(f);
+}
+
+
 void BinaryFloat32x4OpInstr::PrintOperandsTo(BufferFormatter* f) const {
   f->Print("%s, ", Token::Str(op_kind()));
   left()->PrintTo(f);
   f->Print(", ");
   right()->PrintTo(f);
 }
 
 
 void BinaryFloat64x2OpInstr::PrintOperandsTo(BufferFormatter* f) const {
   f->Print("%s, ", Token::Str(op_kind()));
@@ skipping 568 matching lines @@
 }
 
 
 bool FlowGraphPrinter::ShouldPrint(const Function& function) {
   return false;
 }
 
 #endif  // !PRODUCT
 
 }  // namespace dart