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-rw-r--r--lib/CodeGen/SelectionDAG/SelectionDAG.cpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 24b49b246c..cced06be1f 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -2409,8 +2409,9 @@ void SelectionDAG::ReplaceAllUsesOfValueWith(SDOperand From, SDOperand To,
return;
}
- // Get all of the users in a nice, deterministically ordered, uniqued set.
- SetVector<SDNode*> Users(From.Val->use_begin(), From.Val->use_end());
+ // Get all of the users of From.Val. We want these in a nice,
+ // deterministically ordered and uniqued set, so we use a SmallSetVector.
+ SmallSetVector<SDNode*, 16> Users(From.Val->use_begin(), From.Val->use_end());
while (!Users.empty()) {
// We know that this user uses some value of From. If it is the right