SIGN_EXTEND_INREG requires one extra operand, a ValueType node.
llvm-svn: 35350
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 6187aba..8f90521 100644
--- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -2327,8 +2327,12 @@
CombineTo(N->getOperand(0).Val, Load);
} else
CombineTo(N0.Val, Load, Load.getValue(1));
- if (ShAmt)
- return DAG.getNode(N->getOpcode(), VT, Load);
+ if (ShAmt) {
+ if (Opc == ISD::SIGN_EXTEND_INREG)
+ return DAG.getNode(Opc, VT, Load, N->getOperand(1));
+ else
+ return DAG.getNode(Opc, VT, Load);
+ }
return SDOperand(N, 0); // Return N so it doesn't get rechecked!
}