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| author | Evan Cheng <evan.cheng@apple.com> | 2006-06-13 21:47:27 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2006-06-13 21:47:27 +0000 |
| commit | 50c997e26aef7a8532c64064003eaf649d237cc9 (patch) | |
| tree | 8adb38e9acfa8673cce095612a2a32a5572254ee | |
| parent | 8b92d0cae10b1abf660788e7d8e493d71ac1e477 (diff) | |
getOperandNum(): error if specified operand number is out of range.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28775 91177308-0d34-0410-b5e6-96231b3b80d8
| -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 |