Use a SmallPtrSet as suggested by Chris.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97056 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 4105021..2108717 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -6344,8 +6344,8 @@
}
static void checkForCyclesHelper(const SDNode *N,
- std::set<const SDNode *> &visited,
- std::set<const SDNode *> &checked) {
+ SmallPtrSet<const SDNode *, 32> &visited,
+ SmallPtrSet<const SDNode *, 32> &checked) {
if (checked.find(N) != checked.end())
return;
@@ -6371,8 +6371,8 @@
void llvm::checkForCycles(const llvm::SDNode *N) {
#ifdef XDEBUG
assert(N && "Checking nonexistant SDNode");
- std::set<const SDNode *> visited;
- std::set<const SDNode *> checked;
+ SmallPtrSet<const SDNode *, 32> visited;
+ SmallPtrSet<const SDNode *, 32> checked;
checkForCyclesHelper(N, visited, checked);
#endif
}