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-rw-r--r--llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 38a06618a8c..ed3d06cc920 100644
--- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -6036,6 +6036,9 @@ SDValue DAGCombiner::ReduceLoadWidth(SDNode *N) {
LN0->getMemoryVT().getSizeInBits() < ExtVT.getSizeInBits() + ShAmt)
return SDValue();
+ if (!TLI.shouldReduceLoadWidth(LN0, ExtType, ExtVT))
+ return SDValue();
+
EVT PtrType = N0.getOperand(1).getValueType();
if (PtrType == MVT::Untyped || PtrType.isExtended())
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