diff options
| -rw-r--r-- | utils/TableGen/CodeEmitterGen.cpp | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/utils/TableGen/CodeEmitterGen.cpp b/utils/TableGen/CodeEmitterGen.cpp index a7fca06cf0..c28b97e042 100644 --- a/utils/TableGen/CodeEmitterGen.cpp +++ b/utils/TableGen/CodeEmitterGen.cpp @@ -107,9 +107,20 @@ AddCodeToMergeInOperand(Record *R, BitsInit *BI, const std::string &VarName, while (NumberedOp < NumberOps && (CGI.Operands.isFlatOperandNotEmitted(NumberedOp) || (NamedOpIndices.size() && NamedOpIndices.count( - CGI.Operands.getSubOperandNumber(NumberedOp).first)))) + 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; + } + } + OpIdx = NumberedOp++; } |