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      1 // RUN: not llvm-tblgen -gen-instr-info -I %p/../../include %s 2>&1 | FileCheck %s
      2 
      3 // This test verifies that TableGen is displaying an error when mapped instruction
      4 // does not contain a field listed under RowFields.
      5 
      6 include "llvm/Target/Target.td"
      7 
      8 class SimpleReg<string n> : Register<n> {
      9   let Namespace = "Simple";
     10 }
     11 def R0 : SimpleReg<"r0">;
     12 def SimpleRegClass : RegisterClass<"Simple",[i32],0,(add R0)>;
     13 def SimpleInstrInfo : InstrInfo;
     14 
     15 def SimpleTarget : Target {
     16   let InstructionSet = SimpleInstrInfo;
     17 }
     18 
     19 class SimpleRel;
     20 
     21 def REL_DEF : InstrMapping {
     22   let FilterClass = "SimpleRel";
     23   let RowFields = ["BaseName"];
     24   let ColFields = ["Col"];
     25   let KeyCol = ["KeyCol"];
     26   let ValueCols = [["ValCol"]];
     27 }
     28 
     29 class INSTR_DEF : Instruction {
     30   let Namespace = "Simple";
     31   let OutOperandList = (outs);
     32   let InOperandList = (ins);
     33   string Basename = "";
     34   string Col = "";
     35 }
     36 
     37 def SimpleInstr : SimpleRel, INSTR_DEF;
     38 
     39 // CHECK: error: No value "BaseName" found in "SimpleInstr" instruction description.
     40 // CHECK: def SimpleInstr : SimpleRel, INSTR_DEF;
     41