Mark optimized code that used CHA for optimization so that lazy class 'finalization' does not inval…

runtime/vm/code_generator.cc

 // Copyright (c) 2013, 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/code_generator.h"
 
 #include "vm/assembler.h"
 #include "vm/ast.h"
 #include "vm/bigint_operations.h"
 #include "vm/code_patcher.h"
@@ skipping 1489 matching lines @@
   while (frame != NULL) {
     optimized_code = frame->LookupDartCode();
     if (optimized_code.is_optimized()) {
       DeoptimizeAt(optimized_code, frame->pc());
     }
     frame = iterator.NextFrame();
   }
 }
 
 
-// Returns true if the given array of cids contains the given cid.
-static bool ContainsCid(const GrowableArray<intptr_t>& cids, intptr_t cid) {
-  for (intptr_t i = 0; i < cids.length(); i++) {
-    if (cids[i] == cid) {
-      return true;
-    }
-  }
-  return false;
-}
-
-
-// Deoptimize optimized code on stack if its class is in the 'classes' array.
-void DeoptimizeIfOwner(const GrowableArray<intptr_t>& classes) {
-  DartFrameIterator iterator;
-  StackFrame* frame = iterator.NextFrame();
-  Code& optimized_code = Code::Handle();
-  while (frame != NULL) {
-    optimized_code = frame->LookupDartCode();
-    if (optimized_code.is_optimized()) {
-      const intptr_t owner_cid = Class::Handle(Function::Handle(
-          optimized_code.function()).Owner()).id();
-      if (ContainsCid(classes, owner_cid)) {
-        DeoptimizeAt(optimized_code, frame->pc());
-      }
-    }
-    frame = iterator.NextFrame();
-  }
-}
-
-
 static void CopySavedRegisters(uword saved_registers_address,
                                fpu_register_t** fpu_registers,
                                intptr_t** cpu_registers) {
   ASSERT(sizeof(fpu_register_t) == kFpuRegisterSize);
   fpu_register_t* fpu_registers_copy =
       new fpu_register_t[kNumberOfFpuRegisters];
   ASSERT(fpu_registers_copy != NULL);
   for (intptr_t i = 0; i < kNumberOfFpuRegisters; i++) {
     fpu_registers_copy[i] =
         *reinterpret_cast<fpu_register_t*>(saved_registers_address);
@@ skipping 154 matching lines @@
 // of the given value.
 //   Arg0: Field object;
 //   Arg1: Value that is being stored.
 DEFINE_RUNTIME_ENTRY(UpdateFieldCid, 2) {
   const Field& field = Field::CheckedHandle(arguments.ArgAt(0));
   const Object& value = Object::Handle(arguments.ArgAt(1));
   field.UpdateGuardedCidAndLength(value);
 }
 
 }  // namespace dart