Encapsulate megamorphic load/tail-call in hydrogen

src/ic/arm/ic-arm.cc

Index: src/ic/arm/ic-arm.cc
diff --git a/src/ic/arm/ic-arm.cc b/src/ic/arm/ic-arm.cc
index 76135ef56a38ef6230f30f601db866b80fa616e1..a340580fca450c1df27390fb0e1200d84cde2dba 100644
--- a/src/ic/arm/ic-arm.cc
+++ b/src/ic/arm/ic-arm.cc
@@ -242,24 +242,6 @@ static void GenerateKeyNameCheck(MacroAssembler* masm, Register key,
 }
 
 
-void LoadIC::GenerateMegamorphic(MacroAssembler* masm) {
-  // The return address is in lr.
-  Register receiver = LoadDescriptor::ReceiverRegister();
-  Register name = LoadDescriptor::NameRegister();
-  DCHECK(receiver.is(r1));
-  DCHECK(name.is(r2));
-
-  // Probe the stub cache.
-  Code::Flags flags = Code::RemoveTypeAndHolderFromFlags(
-      Code::ComputeHandlerFlags(Code::LOAD_IC));
-  masm->isolate()->stub_cache()->GenerateProbe(masm, flags, receiver, name, r3,
-                                               r4, r5, r6);
-
-  // Cache miss: Jump to runtime.
-  GenerateMiss(masm);
-}
-
-
 void LoadIC::GenerateNormal(MacroAssembler* masm) {
   Register dictionary = r0;
   DCHECK(!dictionary.is(LoadDescriptor::ReceiverRegister()));
@@ -963,8 +945,8 @@ void StoreIC::GenerateMegamorphic(MacroAssembler* masm) {
   Code::Flags flags = Code::RemoveTypeAndHolderFromFlags(
       Code::ComputeHandlerFlags(Code::STORE_IC));
 
-  masm->isolate()->stub_cache()->GenerateProbe(masm, flags, receiver, name, r3,
-                                               r4, r5, r6);
+  masm->isolate()->stub_cache()->GenerateProbe(masm, flags, false, receiver,
+                                               name, r3, r4, r5, r6);
 
   // Cache miss: Jump to runtime.
   GenerateMiss(masm);