X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FMC%2FMCRegisterInfo.h;h=6749bdffc2f563fe8e0e7cd5a2e90b694a779562;hb=e1d4a8813427b76c5f59cf5b70a9df734b7e9284;hp=46a9d71fff24f6c6adcd3a62b13f074b237ad5e6;hpb=46c0dc7858da65707340ca62b258f8956def78e8;p=oota-llvm.git

diff --git a/include/llvm/MC/MCRegisterInfo.h b/include/llvm/MC/MCRegisterInfo.h
index 46a9d71fff2..6749bdffc2f 100644
--- a/include/llvm/MC/MCRegisterInfo.h
+++ b/include/llvm/MC/MCRegisterInfo.h
@@ -333,6 +333,13 @@ public:
     return NumRegs;
   }
 
+  /// getNumSubRegIndices - Return the number of sub-register indices
+  /// understood by the target. Index 0 is reserved for the no-op sub-register,
+  /// while 1 to getNumSubRegIndices() - 1 represent real sub-registers.
+  unsigned getNumSubRegIndices() const {
+    return NumSubRegIndices;
+  }
+
   /// getNumRegUnits - Return the number of (native) register units in the
   /// target. Register units are numbered from 0 to getNumRegUnits() - 1. They
   /// can be accessed through MCRegUnitIterator defined below.