1 files changed, 28 insertions, 0 deletions
diff --git a/compiler/dex/bb_optimizations.cc b/compiler/dex/bb_optimizations.cc
index e5358139d8..11a7e44f98 100644
--- a/compiler/dex/bb_optimizations.cc
+++ b/compiler/dex/bb_optimizations.cc
@@ -51,4 +51,32 @@ bool BBCombine::Worker(PassDataHolder* data) const {
   return false;
 }
 
+/*
+ * MethodUseCount pass implementation start.
+ */
+bool MethodUseCount::Gate(const PassDataHolder* data) const {
+  DCHECK(data != nullptr);
+  CompilationUnit* c_unit = down_cast<const PassMEDataHolder*>(data)->c_unit;
+  DCHECK(c_unit != nullptr);
+  // First initialize the data.
+  c_unit->mir_graph->InitializeMethodUses();
+
+  // Now check if the pass is to be ignored.
+  bool res = ((c_unit->disable_opt & (1 << kPromoteRegs)) == 0);
+
+  return res;
+}
+
+bool MethodUseCount::Worker(PassDataHolder* data) const {
+  DCHECK(data != nullptr);
+  PassMEDataHolder* pass_me_data_holder = down_cast<PassMEDataHolder*>(data);
+  CompilationUnit* c_unit = pass_me_data_holder->c_unit;
+  DCHECK(c_unit != nullptr);
+  BasicBlock* bb = pass_me_data_holder->bb;
+  DCHECK(bb != nullptr);
+  c_unit->mir_graph->CountUses(bb);
+  // No need of repeating, so just return false.
+  return false;
+}
+
 }  // namespace art