diff options
Diffstat (limited to 'lib/CodeGen/SelectionDAG/FastISel.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/FastISel.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/FastISel.cpp b/lib/CodeGen/SelectionDAG/FastISel.cpp index 996cea0155..e56747a89c 100644 --- a/lib/CodeGen/SelectionDAG/FastISel.cpp +++ b/lib/CodeGen/SelectionDAG/FastISel.cpp @@ -25,6 +25,10 @@ bool FastISel::SelectBinaryOp(Instruction *I, ISD::NodeType ISDOpcode, DenseMap<const Value*, unsigned> &ValueMap) { unsigned Op0 = ValueMap[I->getOperand(0)]; unsigned Op1 = ValueMap[I->getOperand(1)]; + if (Op0 == 0 || Op1 == 0) + // Unhandled operand. Halt "fast" selection and bail. + return false; + MVT VT = MVT::getMVT(I->getType(), /*HandleUnknown=*/true); if (VT == MVT::Other || !VT.isSimple()) // Unhandled type. Halt "fast" selection and bail. |