1 files changed, 9 insertions, 1 deletions
diff --git a/include/llvm/Target/TargetInstrInfo.h b/include/llvm/Target/TargetInstrInfo.h
index 7526087..d19ca12 100644
--- a/include/llvm/Target/TargetInstrInfo.h
+++ b/include/llvm/Target/TargetInstrInfo.h
@@ -51,6 +51,15 @@ public:
     EXTRACT_SUBREG = 4,
     INSERT_SUBREG = 5
   };
+  
+  // Target independent implict values for use with subreg insert. All targets
+  // that support insert_subreg support IMPL_VAL_UNDEF. Support for the other 
+  // values is target dependent.
+  enum ImplictVal {
+    IMPL_VAL_UNDEF = 0,
+    IMPL_VAL_ZERO  = 1,
+    LAST_IMPL_VAL  = 3
+  };
 
   unsigned getNumOpcodes() const { return NumOpcodes; }
 
@@ -120,7 +129,6 @@ public:
     return false;
   }
   
-  
   /// convertToThreeAddress - This method must be implemented by targets that
   /// set the M_CONVERTIBLE_TO_3_ADDR flag.  When this flag is set, the target
   /// may be able to convert a two-address instruction into one or more true