Refactor code for numbering instructions into CodeGenTarget.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19758 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/CodeGenTarget.h b/utils/TableGen/CodeGenTarget.h
index ac5306e..2d89915 100644
--- a/utils/TableGen/CodeGenTarget.h
+++ b/utils/TableGen/CodeGenTarget.h
@@ -93,6 +93,12 @@
   inst_iterator inst_begin() const { return getInstructions().begin(); }
   inst_iterator inst_end() const { return Instructions.end(); }
 
+  /// getInstructionsByEnumValue - Return all of the instructions defined by the
+  /// target, ordered by their enum value.
+  void getInstructionsByEnumValue(std::vector<const CodeGenInstruction*>
+                                                &NumberedInstructions);
+
+
   /// getPHIInstruction - Return the designated PHI instruction.
   ///
   const CodeGenInstruction &getPHIInstruction() const;