[llvm] [Support] Avoid repeated hash lookups (NFC) (PR #129827)

[Kazu Hirata via llvm-commits]

https://github.com/kazutakahirata created https://github.com/llvm/llvm-project/pull/129827

None

>From 065ee10924f14741bd7265465fd65464b5ee3880 Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu at google.com>
Date: Tue, 4 Mar 2025 07:31:49 -0800
Subject: [PATCH] [Support] Avoid repeated hash lookups (NFC)

---
 llvm/lib/Support/BalancedPartitioning.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/llvm/lib/Support/BalancedPartitioning.cpp b/llvm/lib/Support/BalancedPartitioning.cpp
index 7b807b167c0ef..ed3b149c03daf 100644
--- a/llvm/lib/Support/BalancedPartitioning.cpp
+++ b/llvm/lib/Support/BalancedPartitioning.cpp
@@ -177,7 +177,8 @@ void BalancedPartitioning::runIterations(const FunctionNodeRange Nodes,
   // functions
   for (auto &N : Nodes)
     llvm::erase_if(N.UtilityNodes, [&](auto &UN) {
-      return UtilityNodeIndex[UN] == 1 || UtilityNodeIndex[UN] == NumNodes;
+      unsigned UNI = UtilityNodeIndex[UN];
+      return UNI == 1 || UNI == NumNodes;
     });
 
   // Renumber utility nodes so they can be used to index into Signatures