optimizing: Refactor statistics to use OptimizingCompilerStats helper

Remove all copies of 'MaybeRecordStat', replacing them with a single
OptimizingCompilerStats::MaybeRecordStat helper.

Change-Id: I83b96b41439dccece3eee2e159b18c95336ea933

1 files changed, 5 insertions, 11 deletions

diff --git a/compiler/optimizing/instruction_simplifier.cc b/compiler/optimizing/instruction_simplifier.cc
index 02cfbbcfb3..5c79511bab 100644
--- a/compiler/optimizing/instruction_simplifier.cc
+++ b/compiler/optimizing/instruction_simplifier.cc
@@ -43,13 +43,7 @@ class InstructionSimplifierVisitor : public HGraphDelegateVisitor {
   void RecordSimplification() {
     simplification_occurred_ = true;
     simplifications_at_current_position_++;
-    MaybeRecordStat(kInstructionSimplifications);
-  }
-
-  void MaybeRecordStat(MethodCompilationStat stat) {
-    if (stats_ != nullptr) {
-      stats_->RecordStat(stat);
-    }
+    MaybeRecordStat(stats_, kInstructionSimplifications);
   }
 
   bool ReplaceRotateWithRor(HBinaryOperation* op, HUShr* ushr, HShl* shl);
@@ -517,7 +511,7 @@ void InstructionSimplifierVisitor::VisitCheckCast(HCheckCast* check_cast) {
 
   if (object->IsNullConstant()) {
     check_cast->GetBlock()->RemoveInstruction(check_cast);
-    MaybeRecordStat(MethodCompilationStat::kRemovedCheckedCast);
+    MaybeRecordStat(stats_, MethodCompilationStat::kRemovedCheckedCast);
     return;
   }
 
@@ -527,7 +521,7 @@ void InstructionSimplifierVisitor::VisitCheckCast(HCheckCast* check_cast) {
   if (TypeCheckHasKnownOutcome(load_class, object, &outcome)) {
     if (outcome) {
       check_cast->GetBlock()->RemoveInstruction(check_cast);
-      MaybeRecordStat(MethodCompilationStat::kRemovedCheckedCast);
+      MaybeRecordStat(stats_, MethodCompilationStat::kRemovedCheckedCast);
       if (!load_class->HasUses()) {
         // We cannot rely on DCE to remove the class because the `HLoadClass` thinks it can throw.
         // However, here we know that it cannot because the checkcast was successfull, hence
@@ -557,7 +551,7 @@ void InstructionSimplifierVisitor::VisitInstanceOf(HInstanceOf* instruction) {
 
   HGraph* graph = GetGraph();
   if (object->IsNullConstant()) {
-    MaybeRecordStat(kRemovedInstanceOf);
+    MaybeRecordStat(stats_, kRemovedInstanceOf);
     instruction->ReplaceWith(graph->GetIntConstant(0));
     instruction->GetBlock()->RemoveInstruction(instruction);
     RecordSimplification();
@@ -568,7 +562,7 @@ void InstructionSimplifierVisitor::VisitInstanceOf(HInstanceOf* instruction) {
   // the return value check with the `outcome` check, b/27651442 .
   bool outcome = false;
   if (TypeCheckHasKnownOutcome(load_class, object, &outcome)) {
-    MaybeRecordStat(kRemovedInstanceOf);
+    MaybeRecordStat(stats_, kRemovedInstanceOf);
     if (outcome && can_be_null) {
       // Type test will succeed, we just need a null test.
       HNotEqual* test = new (graph->GetArena()) HNotEqual(graph->GetNullConstant(), object);