Add stats support for existing optimizations

This patch adds support for the --dump-stats facility with existing
optimizations.

Change-Id: I68751b119a030952a11057cb651a3c63e87e73ea
Signed-off-by: Jean-Philippe Halimi <jean-philippe.halimi@intel.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/compiler/optimizing/constant_folding.cc b/compiler/optimizing/constant_folding.cc
index 57452cc076..1db775ecab 100644
--- a/compiler/optimizing/constant_folding.cc
+++ b/compiler/optimizing/constant_folding.cc
@@ -68,6 +68,7 @@ void HConstantFolding::Run() {
         } else {
           inst->Accept(&simplifier);
         }
+        MaybeRecordStat(MethodCompilationStat::kConstantFolding);
       } else if (inst->IsUnaryOperation()) {
         // Constant folding: replace `op(a)' with a constant at compile
         // time if `a' is a constant.
@@ -76,6 +77,7 @@ void HConstantFolding::Run() {
           inst->ReplaceWith(constant);
           inst->GetBlock()->RemoveInstruction(inst);
         }
+        MaybeRecordStat(MethodCompilationStat::kConstantFolding);
       } else if (inst->IsTypeConversion()) {
         // Constant folding: replace `TypeConversion(a)' with a constant at
         // compile time if `a' is a constant.
@@ -84,6 +86,7 @@ void HConstantFolding::Run() {
           inst->ReplaceWith(constant);
           inst->GetBlock()->RemoveInstruction(inst);
         }
+        MaybeRecordStat(MethodCompilationStat::kConstantFolding);
       } else if (inst->IsDivZeroCheck()) {
         // We can safely remove the check if the input is a non-null constant.
         HDivZeroCheck* check = inst->AsDivZeroCheck();
@@ -92,6 +95,7 @@ void HConstantFolding::Run() {
           check->ReplaceWith(check_input);
           check->GetBlock()->RemoveInstruction(check);
         }
+        MaybeRecordStat(MethodCompilationStat::kConstantFolding);
       }
     }
   }