1 files changed, 40 insertions, 0 deletions
diff --git a/llvm/test/TableGen/RelTest.td b/llvm/test/TableGen/RelTest.td
new file mode 100644
index 00000000000..dc8b4e559f1
--- /dev/null
+++ b/llvm/test/TableGen/RelTest.td
@@ -0,0 +1,40 @@
+// RUN: not llvm-tblgen -gen-instr-info -I %p/../../include %s 2>&1 | FileCheck %s
+
+// This test verifies that TableGen is displaying an error when mapped instruction
+// does not contain a field listed under RowFields.
+
+include "llvm/Target/Target.td"
+
+class SimpleReg<string n> : Register<n> {
+  let Namespace = "Simple";
+}
+def R0 : SimpleReg<"r0">;
+def SimpleRegClass : RegisterClass<"Simple",[i32],0,(add R0)>;
+def SimpleInstrInfo : InstrInfo;
+
+def SimpleTarget : Target {
+  let InstructionSet = SimpleInstrInfo;
+}
+
+class SimpleRel;
+
+def REL_DEF : InstrMapping {
+  let FilterClass = "SimpleRel";
+  let RowFields = ["BaseName"];
+  let ColFields = ["Col"];
+  let KeyCol = ["KeyCol"];
+  let ValueCols = [["ValCol"]];
+}
+
+class INSTR_DEF : Instruction {
+  let Namespace = "Simple";
+  let OutOperandList = (outs);
+  let InOperandList = (ins);
+  string Basename = "";
+  string Col = "";
+}
+
+def SimpleInstr : SimpleRel, INSTR_DEF;
+
+// CHECK: error: No value "BaseName" found in "SimpleInstr" instruction description.
+// CHECK: def SimpleInstr : SimpleRel, INSTR_DEF;