This patch much improves our tracking of whether function is...

src/ia32/ic-ia32.cc

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 408 matching lines @@
   // -----------------------------------
   Label number, non_number, non_string, boolean, probe, miss;
 
   // Get the receiver of the function from the stack; 1 ~ return address.
   __ mov(edx, Operand(esp, (argc + 1) * kPointerSize));
   // Get the name of the function from the stack; 2 ~ return address, receiver
   __ mov(ecx, Operand(esp, (argc + 2) * kPointerSize));
 
   // Probe the stub cache.
   Code::Flags flags =
-      Code::ComputeFlags(Code::CALL_IC, MONOMORPHIC, NORMAL, argc);
+      Code::ComputeFlags(Code::CALL_IC, NOT_IN_LOOP, MONOMORPHIC, NORMAL, argc);
   StubCache::GenerateProbe(masm, flags, edx, ecx, ebx);
 
   // If the stub cache probing failed, the receiver might be a value.
   // For value objects, we use the map of the prototype objects for
   // the corresponding JSValue for the cache and that is what we need
   // to probe.
   //
   // Check for number.
   __ test(edx, Immediate(kSmiTagMask));
   __ j(zero, &number, not_taken);
@@ skipping 188 matching lines @@
 void LoadIC::GenerateMegamorphic(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- ecx    : name
   //  -- esp[0] : return address
   //  -- esp[4] : receiver
   // -----------------------------------
 
   __ mov(eax, Operand(esp, kPointerSize));
 
   // Probe the stub cache.
-  Code::Flags flags = Code::ComputeFlags(Code::LOAD_IC, MONOMORPHIC);
+  Code::Flags flags = Code::ComputeFlags(Code::LOAD_IC,
+                                         NOT_IN_LOOP,
+                                         MONOMORPHIC);
   StubCache::GenerateProbe(masm, flags, eax, ecx, ebx);
 
   // Cache miss: Jump to runtime.
   Generate(masm, ExternalReference(IC_Utility(kLoadIC_Miss)));
 }
 
 
 void LoadIC::GenerateNormal(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- ecx    : name
@@ skipping 182 matching lines @@
 void StoreIC::GenerateMegamorphic(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- eax    : value
   //  -- ecx    : name
   //  -- esp[0] : return address
   //  -- esp[4] : receiver
   // -----------------------------------
 
   // Get the receiver from the stack and probe the stub cache.
   __ mov(edx, Operand(esp, 4));
-  Code::Flags flags = Code::ComputeFlags(Code::STORE_IC, MONOMORPHIC);
+  Code::Flags flags = Code::ComputeFlags(Code::STORE_IC,
+                                         NOT_IN_LOOP,
+                                         MONOMORPHIC);
   StubCache::GenerateProbe(masm, flags, edx, ecx, ebx);
 
   // Cache miss: Jump to runtime.
   Generate(masm, ExternalReference(IC_Utility(kStoreIC_Miss)));
 }
 
 
 void StoreIC::GenerateExtendStorage(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- eax    : value
@@ skipping 75 matching lines @@
 
   // Do tail-call to runtime routine.
   __ TailCallRuntime(
       ExternalReference(IC_Utility(kSharedStoreIC_ExtendStorage)), 3);
 }
 
 #undef __
 
 
 } }  // namespace v8::internal