ART: Add compiler option for code deduplication

Add --deduplicate-code and --no-deduplicate-code to ease in
experiments with deduplication, e.g., profiling.

Add dex2oat test.

Test: m test-art-host
Change-Id: Ib6c7fe082f43c5f76c8463cc563e2503c9a50480

1 files changed, 7 insertions, 0 deletions

diff --git a/compiler/driver/compiler_options.h b/compiler/driver/compiler_options.h
index 12de9be60b..ab2a681468 100644
--- a/compiler/driver/compiler_options.h
+++ b/compiler/driver/compiler_options.h
@@ -254,6 +254,10 @@ class CompilerOptions FINAL {
     return force_determinism_;
   }
 
+  bool DeduplicateCode() const {
+    return deduplicate_code_;
+  }
+
   RegisterAllocator::Strategy GetRegisterAllocationStrategy() const {
     return register_allocation_strategy_;
   }
@@ -319,6 +323,9 @@ class CompilerOptions FINAL {
   // outcomes.
   bool force_determinism_;
 
+  // Whether code should be deduplicated.
+  bool deduplicate_code_;
+
   RegisterAllocator::Strategy register_allocation_strategy_;
 
   // If not null, specifies optimization passes which will be run instead of defaults.