Enable optimizer pipeline for DBC.

runtime/vm/instructions_dbc.cc

 // Copyright (c) 2016, 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/globals.h"  // Needed here to get TARGET_ARCH_DBC.
 #if defined(TARGET_ARCH_DBC)
 
 #include "vm/instructions.h"
 #include "vm/instructions_dbc.h"
 
@@ skipping 96 matching lines @@
   UNIMPLEMENTED();
   return 0;
 }
 
 
 static bool HasLoadFromPool(Instr instr) {
   switch (Bytecode::DecodeOpcode(instr)) {
     case Bytecode::kLoadConstant:
     case Bytecode::kPushConstant:
     case Bytecode::kStaticCall:
-    case Bytecode::kInstanceCall:
+    case Bytecode::kInstanceCall1:
     case Bytecode::kInstanceCall2:
-    case Bytecode::kInstanceCall3:
+    case Bytecode::kInstanceCall1Opt:
+    case Bytecode::kInstanceCall2Opt:
     case Bytecode::kStoreStaticTOS:
     case Bytecode::kPushStatic:
     case Bytecode::kAllocate:
     case Bytecode::kInstantiateType:
     case Bytecode::kInstantiateTypeArgumentsTOS:
     case Bytecode::kAssertAssignable:
       return true;
     default:
       return false;
   }
@@ skipping 28 matching lines @@
       object_pool_.ObjectAt(target_code_pool_index_));
 }
 
 
 void CallPattern::SetTargetCode(const Code& target_code) const {
   object_pool_.SetObjectAt(target_code_pool_index_, target_code);
 }
 
 
 void CallPattern::InsertDeoptCallAt(uword pc, uword target_address) {
-  UNIMPLEMENTED();
+  const uint8_t argc = Bytecode::IsCallOpcode(Bytecode::At(pc)) ?
+      Bytecode::DecodeArgc(Bytecode::At(pc)) : 0;
+  *reinterpret_cast<Instr*>(pc) = Bytecode::Encode(Bytecode::kDeopt, argc, 0);
 }
 
 
 SwitchableCallPattern::SwitchableCallPattern(uword pc, const Code& code)
     : object_pool_(ObjectPool::Handle(code.GetObjectPool())),
       cache_pool_index_(-1),
       stub_pool_index_(-1) {
   UNIMPLEMENTED();
 }
 
@@ skipping 22 matching lines @@
 
 
 bool ReturnPattern::IsValid() const {
   UNIMPLEMENTED();
   return false;
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_DBC