[ADT] Avoid repeated hash lookups (NFC)

[kazutakahirata]

No description provided.

[llvmbot]

@llvm/pr-subscribers-llvm-adt

Author: Kazu Hirata (kazutakahirata)

Changes

---

Full diff: https://github.com/llvm/llvm-project/pull/129355.diff

1 Files Affected:

• (modified) llvm/include/llvm/ADT/SCCIterator.h (+3-3)

diff --git a/llvm/include/llvm/ADT/SCCIterator.h b/llvm/include/llvm/ADT/SCCIterator.h
index 3bd103c13f19f..fef8cdb748442 100644
--- a/llvm/include/llvm/ADT/SCCIterator.h
+++ b/llvm/include/llvm/ADT/SCCIterator.h
@@ -354,10 +354,10 @@ scc_member_iterator<GraphT, GT>::scc_member_iterator(
   // Walk through SortedEdges to initialize the queue, instead of using NodeInfoMap
   // to ensure an ordered deterministic push.
   for (auto *Edge : SortedEdges) {
-    if (!NodeInfoMap[Edge->Source].Visited &&
-        NodeInfoMap[Edge->Source].IncomingMSTEdges.empty()) {
+    auto &Info = NodeInfoMap[Edge->Source];
+    if (!Info.Visited && Info.IncomingMSTEdges.empty()) {
       Queue.push(Edge->Source);
-      NodeInfoMap[Edge->Source].Visited = true;
+      Info.Visited = true;
     }
   }