1 files changed, 2 insertions, 4 deletions
diff --git a/llvm/lib/Transforms/Scalar/StraightLineStrengthReduce.cpp b/llvm/lib/Transforms/Scalar/StraightLineStrengthReduce.cpp
index a4da5fe2335..a914517e7fe 100644
--- a/llvm/lib/Transforms/Scalar/StraightLineStrengthReduce.cpp
+++ b/llvm/lib/Transforms/Scalar/StraightLineStrengthReduce.cpp
@@ -674,11 +674,9 @@ bool StraightLineStrengthReduce::runOnFunction(Function &F) {
   SE = &getAnalysis<ScalarEvolutionWrapperPass>().getSE();
   // Traverse the dominator tree in the depth-first order. This order makes sure
   // all bases of a candidate are in Candidates when we process it.
-  for (auto node = GraphTraits<DominatorTree *>::nodes_begin(DT);
-       node != GraphTraits<DominatorTree *>::nodes_end(DT); ++node) {
-    for (auto &I : *(*node)->getBlock())
+  for (const auto Node : depth_first(DT))
+    for (auto &I : *(Node->getBlock()))
       allocateCandidatesAndFindBasis(&I);
-  }
 
   // Rewrite candidates in the reverse depth-first order. This order makes sure
   // a candidate being rewritten is not a basis for any other candidate.