VM: Don't generate allocation stats code in product mode.

runtime/vm/assembler_mips.cc

 // Copyright (c) 2013, 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.
 
 #include "vm/globals.h"  // NOLINT
 #if defined(TARGET_ARCH_MIPS)
 
 #include "vm/assembler.h"
 #include "vm/longjump.h"
 #include "vm/runtime_entry.h"
@@ skipping 963 matching lines @@
 void Assembler::TryAllocate(const Class& cls,
                             Label* failure,
                             Register instance_reg,
                             Register temp_reg) {
   ASSERT(!in_delay_slot_);
   ASSERT(failure != NULL);
   if (FLAG_inline_alloc) {
     // If this allocation is traced, program will jump to failure path
     // (i.e. the allocation stub) which will allocate the object and trace the
     // allocation call site.
-    MaybeTraceAllocation(cls.id(), temp_reg, failure);
+    NOT_IN_PRODUCT(MaybeTraceAllocation(cls.id(), temp_reg, failure));
     const intptr_t instance_size = cls.instance_size();
     Heap::Space space = Heap::SpaceForAllocation(cls.id());
     lw(temp_reg, Address(THR, Thread::heap_offset()));
     lw(instance_reg, Address(temp_reg, Heap::TopOffset(space)));
     // TODO(koda): Protect against unsigned overflow here.
     AddImmediate(instance_reg, instance_size);
 
     // instance_reg: potential next object start.
     lw(TMP, Address(temp_reg, Heap::EndOffset(space)));
     // Fail if heap end unsigned less than or equal to instance_reg.
     BranchUnsignedLessEqual(TMP, instance_reg, failure);
 
     // Successfully allocated the object, now update top to point to
     // next object start and store the class in the class field of object.
     sw(instance_reg, Address(temp_reg, Heap::TopOffset(space)));
 
     ASSERT(instance_size >= kHeapObjectTag);
     AddImmediate(instance_reg, -instance_size + kHeapObjectTag);
-    UpdateAllocationStats(cls.id(), temp_reg, space);
+    NOT_IN_PRODUCT(UpdateAllocationStats(cls.id(), temp_reg, space));
     uword tags = 0;
     tags = RawObject::SizeTag::update(instance_size, tags);
     ASSERT(cls.id() != kIllegalCid);
     tags = RawObject::ClassIdTag::update(cls.id(), tags);
     LoadImmediate(TMP, tags);
     sw(TMP, FieldAddress(instance_reg, Object::tags_offset()));
   } else {
     b(failure);
   }
 }
 
 
 void Assembler::TryAllocateArray(intptr_t cid,
                                  intptr_t instance_size,
                                  Label* failure,
                                  Register instance,
                                  Register end_address,
                                  Register temp1,
                                  Register temp2) {
   if (FLAG_inline_alloc) {
     // If this allocation is traced, program will jump to failure path
     // (i.e. the allocation stub) which will allocate the object and trace the
     // allocation call site.
-    MaybeTraceAllocation(cid, temp1, failure);
+    NOT_IN_PRODUCT(MaybeTraceAllocation(cid, temp1, failure));
     Isolate* isolate = Isolate::Current();
     Heap* heap = isolate->heap();
     Heap::Space space = heap->SpaceForAllocation(cid);
     lw(temp1, Address(THR, Thread::heap_offset()));
     // Potential new object start.
     lw(instance, Address(temp1, heap->TopOffset(space)));
     // Potential next object start.
     AddImmediate(end_address, instance, instance_size);
     // Branch on unsigned overflow.
     BranchUnsignedLess(end_address, instance, failure);
 
     // Check if the allocation fits into the remaining space.
     // instance: potential new object start, /* inline_isolate = */ false.
     // end_address: potential next object start.
     lw(temp2, Address(temp1, Heap::EndOffset(space)));
     BranchUnsignedGreaterEqual(end_address, temp2, failure);
 
     // Successfully allocated the object(s), now update top to point to
     // next object start and initialize the object.
     sw(end_address, Address(temp1, Heap::TopOffset(space)));
     addiu(instance, instance, Immediate(kHeapObjectTag));
     LoadImmediate(temp1, instance_size);
-    UpdateAllocationStatsWithSize(cid, temp1, temp2, space);
+    NOT_IN_PRODUCT(UpdateAllocationStatsWithSize(cid, temp1, temp2, space));
 
     // Initialize the tags.
     // instance: new object start as a tagged pointer.
     uword tags = 0;
     tags = RawObject::ClassIdTag::update(cid, tags);
     tags = RawObject::SizeTag::update(instance_size, tags);
     LoadImmediate(temp1, tags);
     sw(temp1, FieldAddress(instance, Array::tags_offset()));  // Store tags.
   } else {
     b(failure);
@@ skipping 245 matching lines @@
   Label stop;
   b(&stop);
   Emit(reinterpret_cast<int32_t>(message));
   Bind(&stop);
   break_(Instr::kStopMessageCode);
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_MIPS