Use a trampoline stub to load the type feedback vector for CallICs.

src/arm64/code-stubs-arm64.cc

Index: src/arm64/code-stubs-arm64.cc
diff --git a/src/arm64/code-stubs-arm64.cc b/src/arm64/code-stubs-arm64.cc
index 822d988a99a9a0342728a70444b6b40c51c76f70..730fdafe7205a6dd3ba50090eb223724cb6eb0fb 100644
--- a/src/arm64/code-stubs-arm64.cc
+++ b/src/arm64/code-stubs-arm64.cc
@@ -2983,14 +2983,13 @@ static void EmitLoadTypeFeedbackVector(MacroAssembler* masm, Register vector) {
 void CallIC_ArrayStub::Generate(MacroAssembler* masm) {
   // x1 - function
   // x3 - slot id
+  // x2 - vector
   Label miss;
   Register function = x1;
   Register feedback_vector = x2;
   Register index = x3;
   Register scratch = x4;
 
-  EmitLoadTypeFeedbackVector(masm, feedback_vector);
-
   __ LoadGlobalFunction(Context::ARRAY_FUNCTION_INDEX, scratch);
   __ Cmp(function, scratch);
   __ B(ne, &miss);
@@ -3029,6 +3028,7 @@ void CallICStub::Generate(MacroAssembler* masm) {
 
   // x1 - function
   // x3 - slot id (Smi)
+  // x2 - vector
   const int with_types_offset =
       FixedArray::OffsetOfElementAt(TypeFeedbackVector::kWithTypesIndex);
   const int generic_offset =
@@ -3044,8 +3044,6 @@ void CallICStub::Generate(MacroAssembler* masm) {
   Register index = x3;
   Register type = x4;
 
-  EmitLoadTypeFeedbackVector(masm, feedback_vector);
-
   // The checks. First, does x1 match the recorded monomorphic target?
   __ Add(x4, feedback_vector,
          Operand::UntagSmiAndScale(index, kPointerSizeLog2));
@@ -4374,6 +4372,20 @@ void KeyedLoadICTrampolineStub::Generate(MacroAssembler* masm) {
 }
 
 
+void CallICTrampolineStub::Generate(MacroAssembler* masm) {
+  EmitLoadTypeFeedbackVector(masm, x2);
+  CallICStub stub(isolate(), state());
+  __ Jump(stub.GetCode(), RelocInfo::CODE_TARGET);
+}
+
+
+void CallIC_ArrayTrampolineStub::Generate(MacroAssembler* masm) {
+  EmitLoadTypeFeedbackVector(masm, x2);
+  CallIC_ArrayStub stub(isolate(), state());
+  __ Jump(stub.GetCode(), RelocInfo::CODE_TARGET);
+}
+
+
 // The entry hook is a "BumpSystemStackPointer" instruction (sub), followed by
 // a "Push lr" instruction, followed by a call.
 static const unsigned int kProfileEntryHookCallSize =