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>
diff --git a/compiler/optimizing/optimizing_compiler.cc b/compiler/optimizing/optimizing_compiler.cc
index 2204921..24f0d77 100644
--- a/compiler/optimizing/optimizing_compiler.cc
+++ b/compiler/optimizing/optimizing_compiler.cc
@@ -487,10 +487,10 @@
       graph, stats, HDeadCodeElimination::kInitialDeadCodeEliminationPassName);
   HDeadCodeElimination* dce2 = new (arena) HDeadCodeElimination(
       graph, stats, HDeadCodeElimination::kFinalDeadCodeEliminationPassName);
-  HConstantFolding* fold1 = new (arena) HConstantFolding(graph);
+  HConstantFolding* fold1 = new (arena) HConstantFolding(graph, stats);
   InstructionSimplifier* simplify1 = new (arena) InstructionSimplifier(graph, stats);
-  HBooleanSimplifier* boolean_simplify = new (arena) HBooleanSimplifier(graph);
-  HConstantFolding* fold2 = new (arena) HConstantFolding(graph, "constant_folding_after_inlining");
+  HBooleanSimplifier* boolean_simplify = new (arena) HBooleanSimplifier(graph, stats);
+  HConstantFolding* fold2 = new (arena) HConstantFolding(graph, stats, "constant_folding_after_inlining");
   SideEffectsAnalysis* side_effects = new (arena) SideEffectsAnalysis(graph);
   GVNOptimization* gvn = new (arena) GVNOptimization(graph, *side_effects);
   LICM* licm = new (arena) LICM(graph, *side_effects);
@@ -507,7 +507,7 @@
   InstructionSimplifier* simplify4 = new (arena) InstructionSimplifier(
       graph, stats, "instruction_simplifier_before_codegen");
 
-  IntrinsicsRecognizer* intrinsics = new (arena) IntrinsicsRecognizer(graph, driver);
+  IntrinsicsRecognizer* intrinsics = new (arena) IntrinsicsRecognizer(graph, driver, stats);
 
   HOptimization* optimizations1[] = {
     intrinsics,