add an accessor

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23349 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/utils/TableGen/CodeGenTarget.h b/utils/TableGen/CodeGenTarget.h
index 1748e8ca8280d8a0ad216f3701041f7232ce376b..aaa6c7a426f5e0ac53b7def161cba1b852f6bdfb 100644 (file)
--- a/utils/TableGen/CodeGenTarget.h
+++ b/utils/TableGen/CodeGenTarget.h
@@ -103,6 +103,12 @@ public:
     return Instructions;
   }
 
+  CodeGenInstruction &getInstruction(const std::string &Name) const {
+    const std::map<std::string, CodeGenInstruction> &Insts = getInstructions();
+    assert(Insts.count(Name) && "Not an instruction!");
+    return const_cast<CodeGenInstruction&>(Insts.find(Name)->second);
+  }
+
   typedef std::map<std::string,
                    CodeGenInstruction>::const_iterator inst_iterator;
   inst_iterator inst_begin() const { return getInstructions().begin(); }