Make <target>CodeEmitter::getBinaryCodeForInstr() a const method.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116018 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/CodeEmitterGen.cpp b/utils/TableGen/CodeEmitterGen.cpp
index ac08512..a039e0b 100644
--- a/utils/TableGen/CodeEmitterGen.cpp
+++ b/utils/TableGen/CodeEmitterGen.cpp
@@ -81,7 +81,7 @@
 
   // Emit function declaration
   o << "unsigned " << Target.getName() << "CodeEmitter::"
-    << "getBinaryCodeForInstr(const MachineInstr &MI) {\n";
+    << "getBinaryCodeForInstr(const MachineInstr &MI) const {\n";
 
   // Emit instruction base values
   o << "  static const unsigned InstBits[] = {\n";