Precompilation: Generate instance calls as IC calls that can switch to Megamoprhic calls.

runtime/vm/stub_code.h

 // Copyright (c) 2011, 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.
 
 #ifndef VM_STUB_CODE_H_
 #define VM_STUB_CODE_H_
 
 #include "vm/allocation.h"
 #include "vm/assembler.h"
 
@@ skipping 17 matching lines @@
   V(PrintStopMessage)                                                          \
   V(CallToRuntime)                                                             \
   V(LazyCompile)                                                               \
   V(CallBootstrapCFunction)                                                    \
   V(CallNativeCFunction)                                                       \
   V(FixCallersTarget)                                                          \
   V(CallStaticFunction)                                                        \
   V(OptimizeFunction)                                                          \
   V(InvokeDartCode)                                                            \
   V(DebugStepCheck)                                                            \
+  V(ICLookup)                                                                  \
   V(MegamorphicLookup)                                                         \
   V(FixAllocationStubTarget)                                                   \
   V(Deoptimize)                                                                \
   V(DeoptimizeLazy)                                                            \
   V(UnoptimizedIdenticalWithNumberCheck)                                       \
   V(OptimizedIdenticalWithNumberCheck)                                         \
   V(ICCallBreakpoint)                                                          \
   V(RuntimeCallBreakpoint)                                                     \
   V(AllocateArray)                                                             \
   V(AllocateContext)                                                           \
   V(OneArgCheckInlineCache)                                                    \
   V(TwoArgsCheckInlineCache)                                                   \
   V(SmiAddInlineCache)                                                         \
   V(SmiSubInlineCache)                                                         \
   V(SmiEqualInlineCache)                                                       \
   V(UnaryRangeCollectingInlineCache)                                           \
   V(BinaryRangeCollectingInlineCache)                                          \
   V(OneArgOptimizedCheckInlineCache)                                           \
   V(TwoArgsOptimizedCheckInlineCache)                                          \
   V(ZeroArgsUnoptimizedStaticCall)                                             \
   V(OneArgUnoptimizedStaticCall)                                               \
   V(TwoArgsUnoptimizedStaticCall)                                              \
   V(Subtype1TestCache)                                                         \
   V(Subtype2TestCache)                                                         \
   V(Subtype3TestCache)                                                         \
-  V(CallClosureNoSuchMethod)
+  V(CallClosureNoSuchMethod)                                                   \
 
 // Is it permitted for the stubs above to refer to Object::null(), which is
 // allocated in the VM isolate and shared across all isolates.
 // However, in cases where a simple GC-safe placeholder is needed on the stack,
 // using Smi 0 instead of Object::null() is slightly more efficient, since a Smi
 // does not require relocation.
 
 // class StubEntry is used to describe stub methods generated in dart to
 // abstract out common code executed from generated dart code.
 class StubEntry {
@@ skipping 55 matching lines @@
   }
   VM_STUB_CODE_LIST(STUB_CODE_ACCESSOR);
 #undef STUB_CODE_ACCESSOR
 
   static RawCode* GetAllocationStubForClass(const Class& cls);
 
   static const StubEntry* UnoptimizedStaticCallEntry(intptr_t num_args_tested);
 
   static const intptr_t kNoInstantiator = 0;
 
-  static void EmitMegamorphicLookup(
-      Assembler*, Register recv, Register cache, Register target);
+  static void EmitMegamorphicLookup(Assembler* assembler);
 
  private:
   friend class MegamorphicCacheTable;
 
   static const intptr_t kStubCodeSize = 4 * KB;
 
 #define STUB_CODE_GENERATE(name)                                               \
   static void Generate##name##Stub(Assembler* assembler);
   VM_STUB_CODE_LIST(STUB_CODE_GENERATE);
 #undef STUB_CODE_GENERATE
@@ skipping 30 matching lines @@
 
 
 enum DeoptStubKind {
   kLazyDeopt,
   kEagerDeopt
 };
 
 }  // namespace dart
 
 #endif  // VM_STUB_CODE_H_