Teach DAG combine to fold (trunc (fptoXi x)) to (fptoXi x)

[oota-llvm.git] / lib / CodeGen / SelectionDAG / LegalizeTypesGeneric.cpp

diff --git a/lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp b/lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp
index bb54fd24e211244bedc380fcd26fcb436ab505e0..6bcb3b25e98eb7de7767dc172117ea204aa01cf7 100644 (file)
--- a/lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp
@@ -124,6 +124,10 @@ void DAGTypeLegalizer::ExpandRes_BITCAST(SDNode *N, SDValue &Lo, SDValue &Hi) {
         // there are only two nodes left, i.e. Lo and Hi.
         SDValue LHS = Vals[Slot];
         SDValue RHS = Vals[Slot + 1];
+
+        if (TLI.isBigEndian())
+          std::swap(LHS, RHS);
+
         Vals.push_back(DAG.getNode(ISD::BUILD_PAIR, dl,
                                    EVT::getIntegerVT(
                                      *DAG.getContext(),