diff options
| -rw-r--r-- | utils/TableGen/DAGISelEmitter.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/utils/TableGen/DAGISelEmitter.cpp b/utils/TableGen/DAGISelEmitter.cpp index 277d41e985..34bcd360bf 100644 --- a/utils/TableGen/DAGISelEmitter.cpp +++ b/utils/TableGen/DAGISelEmitter.cpp @@ -121,6 +121,13 @@ TreePatternNode *SDTypeConstraint::getOperandNum(unsigned OpNo, assert(NumResults <= 1 && "We only work with nodes with zero or one result so far!"); + if (OpNo >= (NumResults + N->getNumChildren())) { + std::cerr << "Invalid operand number " << OpNo << " "; + N->dump(); + std::cerr << '\n'; + exit(1); + } + if (OpNo < NumResults) return N; // FIXME: need value # else |