--- /dev/null
+// RUN: not llvm-tblgen -gen-emitter -I %p/../../include %s 2>&1 | FileCheck %s
+
+// Check that TableGen doesn't crash on insufficient positional
+// instruction operands.
+
+include "llvm/Target/Target.td"
+
+def ArchInstrInfo : InstrInfo { }
+
+def Arch : Target {
+ let InstructionSet = ArchInstrInfo;
+}
+
+def Reg : Register<"reg">;
+
+def Regs : RegisterClass<"foo", [i32], 0, (add Reg)>;
+
+def foo : Instruction {
+ bits<3> rd;
+ bits<3> rs;
+
+ bits<8> Inst;
+ let Inst{1-0} = 0;
+ let Inst{4-2} = rd;
+ let Inst{7-5} = rs;
+
+// CHECK: Too few operands in record foo (no match for variable rs)
+ let OutOperandList = (outs Regs:$xd);
+ let InOperandList = (ins);
+}
#include "llvm/ADT/StringExtras.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/raw_ostream.h"
+#include "llvm/TableGen/Error.h"
#include "llvm/TableGen/Record.h"
#include "llvm/TableGen/TableGenBackend.h"
#include <cassert>
(!NamedOpIndices.empty() && NamedOpIndices.count(
CGI.Operands.getSubOperandNumber(NumberedOp).first)))) {
++NumberedOp;
+ }
- if (NumberedOp >= CGI.Operands.back().MIOperandNo +
- CGI.Operands.back().MINumOperands) {
- errs() << "Too few operands in record " << R->getName() <<
- " (no match for variable " << VarName << "):\n";
- errs() << *R;
- errs() << '\n';
-
- return;
- }
+ if (NumberedOp >=
+ CGI.Operands.back().MIOperandNo + CGI.Operands.back().MINumOperands) {
+ std::string E;
+ raw_string_ostream S(E);
+ S << "Too few operands in record " << R->getName()
+ << " (no match for variable " << VarName << "):\n";
+ S << *R;
+ PrintFatalError(R, E);
}
OpIdx = NumberedOp++;