diff options
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index 32cf5970726..e435bd609de 100644 --- a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -1035,10 +1035,13 @@ SDOperand SelectionDAGLegalize::PromoteOp(SDOperand Op) { if (Result.getValueType() > NVT) // Truncate to NVT instead of VT Result = DAG.getNode(ISD::TRUNCATE, NVT, Result); break; + case Promote: + // The truncation is not required, because we don't guarantee anything + // about high bits anyway. + Result = PromoteOp(Node->getOperand(0)); + break; case Expand: assert(0 && "Cannot handle expand yet"); - case Promote: - assert(0 && "Cannot handle promote-promote yet"); } break; case ISD::SIGN_EXTEND: |
