Try avoiding MISS for callic monomorphic case.

src/ia32/code-stubs-ia32.cc

Index: src/ia32/code-stubs-ia32.cc
diff --git a/src/ia32/code-stubs-ia32.cc b/src/ia32/code-stubs-ia32.cc
index 643483394e481077960acdc1e54f8c2e25dd49a6..9b00b6217ecd4ada7b72493658f6623ba8121256 100644
--- a/src/ia32/code-stubs-ia32.cc
+++ b/src/ia32/code-stubs-ia32.cc
@@ -2214,6 +2214,10 @@ void CallICStub::Generate(MacroAssembler* masm) {
   // edi - function
   // edx - slot id
   Isolate* isolate = masm->isolate();
+  const int with_types_offset =
+      FixedArray::OffsetOfElementAt(TypeFeedbackVector::kWithTypesIndex);
+  const int generic_offset =
+      FixedArray::OffsetOfElementAt(TypeFeedbackVector::kGenericCountIndex);
   Label extra_checks_or_miss, slow_start;
   Label slow, non_function, wrap, cont;
   Label have_js_function;
@@ -2253,35 +2257,66 @@ void CallICStub::Generate(MacroAssembler* masm) {
   }
 
   __ bind(&extra_checks_or_miss);
-  Label miss;
+  Label uninitialized, miss;
 
   __ mov(ecx, FieldOperand(ebx, edx, times_half_pointer_size,
                            FixedArray::kHeaderSize));
   __ cmp(ecx, Immediate(TypeFeedbackVector::MegamorphicSentinel(isolate)));
   __ j(equal, &slow_start);
+
+  // The following cases attempt to handle MISS cases without going to the
+  // runtime.
+  if (FLAG_trace_ic) {
+    __ jmp(&miss);
+  }
+
   __ cmp(ecx, Immediate(TypeFeedbackVector::UninitializedSentinel(isolate)));
+  __ j(equal, &uninitialized);
+
+  // We are going megamorphic. If the feedback is a JSFunction, it is fine
+  // to handle it here. More complex cases are dealt with in the runtime.
+  __ AssertNotSmi(ecx);
+  __ CmpObjectType(ecx, JS_FUNCTION_TYPE, ecx);
+  __ j(not_equal, &miss);
+  __ mov(
+      FieldOperand(ebx, edx, times_half_pointer_size, FixedArray::kHeaderSize),
+      Immediate(TypeFeedbackVector::MegamorphicSentinel(isolate)));
+  // We have to update statistics for runtime profiling.
+  __ sub(FieldOperand(ebx, with_types_offset), Immediate(Smi::FromInt(1)));
+  __ add(FieldOperand(ebx, generic_offset), Immediate(Smi::FromInt(1)));
+  __ jmp(&slow_start);
+
+  __ bind(&uninitialized);
+
+  // We are going monomorphic, provided we actually have a JSFunction.
+  __ JumpIfSmi(edi, &miss);
+
+  // Goto miss case if we do not have a function.
+  __ CmpObjectType(edi, JS_FUNCTION_TYPE, ecx);
+  __ j(not_equal, &miss);
+
+  // Make sure the function is not the Array() function, which requires special
+  // behavior on MISS.
+  __ LoadGlobalFunction(Context::ARRAY_FUNCTION_INDEX, ecx);
+  __ cmp(edi, ecx);
   __ j(equal, &miss);
 
-  if (!FLAG_trace_ic) {
-    // We are going megamorphic. If the feedback is a JSFunction, it is fine
-    // to handle it here. More complex cases are dealt with in the runtime.
-    __ AssertNotSmi(ecx);
-    __ CmpObjectType(ecx, JS_FUNCTION_TYPE, ecx);
-    __ j(not_equal, &miss);
-    __ mov(FieldOperand(ebx, edx, times_half_pointer_size,
-                        FixedArray::kHeaderSize),
-           Immediate(TypeFeedbackVector::MegamorphicSentinel(isolate)));
-    // We have to update statistics for runtime profiling.
-    const int with_types_offset =
-        FixedArray::OffsetOfElementAt(TypeFeedbackVector::kWithTypesIndex);
-    __ sub(FieldOperand(ebx, with_types_offset), Immediate(Smi::FromInt(1)));
-    const int generic_offset =
-        FixedArray::OffsetOfElementAt(TypeFeedbackVector::kGenericCountIndex);
-    __ add(FieldOperand(ebx, generic_offset), Immediate(Smi::FromInt(1)));
-    __ jmp(&slow_start);
-  }
+  // Update stats.
+  __ add(FieldOperand(ebx, with_types_offset), Immediate(Smi::FromInt(1)));
+
+  // Store the function.
+  __ mov(
+      FieldOperand(ebx, edx, times_half_pointer_size, FixedArray::kHeaderSize),
+      edi);
+
+  // Update the write barrier.
+  __ mov(eax, edi);
+  __ RecordWriteArray(ebx, eax, edx, kDontSaveFPRegs, EMIT_REMEMBERED_SET,
+                      OMIT_SMI_CHECK);
+  __ jmp(&have_js_function);
 
-  // We are here because tracing is on or we are going monomorphic.
+  // We are here because tracing is on or we encountered a MISS case we can't
+  // handle here.
   __ bind(&miss);
   GenerateMiss(masm);