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Diffstat (limited to 'utils/TableGen/CodeEmitterGen.cpp')
| -rw-r--r-- | utils/TableGen/CodeEmitterGen.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/utils/TableGen/CodeEmitterGen.cpp b/utils/TableGen/CodeEmitterGen.cpp index 076945616f..a2839c9177 100644 --- a/utils/TableGen/CodeEmitterGen.cpp +++ b/utils/TableGen/CodeEmitterGen.cpp @@ -131,6 +131,7 @@ void CodeEmitterGen::run(std::ostream &o) { // Mask off the right bits // Low mask (ie. shift, if necessary) + assert(endBitInVar >= 0 && "Negative shift amount in masking!"); if (endBitInVar != 0) { o << " op" << OpOrder[Vals[i].getName()] << " >>= " << endBitInVar << ";\n"; @@ -143,6 +144,7 @@ void CodeEmitterGen::run(std::ostream &o) { << " &= (1<<" << beginBitInVar+1 << ") - 1;\n"; // Shift the value to the correct place (according to place in inst) + assert(endBitInInst >= 0 && "Negative shift amount in inst position!"); if (endBitInInst != 0) o << " op" << OpOrder[Vals[i].getName()] << " <<= " << endBitInInst << ";\n"; |