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-rw-r--r--llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp6
1 files changed, 5 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index d2ea652..8676060 100644
--- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -19993,8 +19993,12 @@ static SDNode *getPostIndexedLoadStoreOp(SDNode *N, bool &IsLoad,
// nor a successor of N. Otherwise, if Op is folded that would
// create a cycle.
unsigned MaxSteps = SelectionDAG::getHasPredecessorMaxSteps();
- for (SDNode *Op : Ptr->users()) {
+ for (SDUse &U : Ptr->uses()) {
+ if (U.getResNo() != Ptr.getResNo())
+ continue;
+
// Check for #1.
+ SDNode *Op = U.getUser();
if (!shouldCombineToPostInc(N, Ptr, Op, BasePtr, Offset, AM, DAG, TLI))
continue;