Scalarized vector stores need not be legal, e.g. if the vector element type

needs to be promoted or expanded.  Relegalize the scalar store once created.
This fixes CodeGen/Generic/vector.ll:test1 on non-SSE x86 targets.

llvm-svn: 27293

1 files changed, 3 insertions, 0 deletions

diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index 93b0d9b1cce..3fe984ebcc6 100644
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -1477,6 +1477,9 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
           Tmp3 = PackVectorOp(Node->getOperand(1), EVT);
           Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp3, Tmp2, 
                                           Node->getOperand(3));
+          // The scalarized value type may not be legal, e.g. it might require
+          // promotion or expansion.  Relegalize the scalar store.
+          Result = LegalizeOp(Result);
           break;
         } else {
           SplitVectorOp(Node->getOperand(1), Lo, Hi);