diff --git a/compiler/optimizing/nodes.h b/compiler/optimizing/nodes.h
index 77b587e..ef60d76 100644
--- a/compiler/optimizing/nodes.h
+++ b/compiler/optimizing/nodes.h
@@ -120,6 +120,7 @@
   HGraph(ArenaAllocator* arena,
          const DexFile& dex_file,
          uint32_t method_idx,
+         InstructionSet instruction_set,
          bool debuggable = false,
          int start_instruction_id = 0)
       : arena_(arena),
@@ -137,6 +138,7 @@
         current_instruction_id_(start_instruction_id),
         dex_file_(dex_file),
         method_idx_(method_idx),
+        instruction_set_(instruction_set),
         cached_null_constant_(nullptr),
         cached_int_constants_(std::less<int32_t>(), arena->Adapter()),
         cached_float_constants_(std::less<int32_t>(), arena->Adapter()),
@@ -359,6 +361,8 @@
   // The method index in the dex file.
   const uint32_t method_idx_;
 
+  const InstructionSet instruction_set_;
+
   // Cached constants.
   HNullConstant* cached_null_constant_;
   ArenaSafeMap<int32_t, HIntConstant*> cached_int_constants_;