[llvm] [ProfileData] Avoid repeated hash lookups (NFC) (PR #128829)

[Kazu Hirata via llvm-commits]

https://github.com/kazutakahirata created https://github.com/llvm/llvm-project/pull/128829

None

>From 424a6d5f4f48124afebcece4dc89be39d2026e3a Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu at google.com>
Date: Tue, 25 Feb 2025 09:10:43 -0800
Subject: [PATCH] [ProfileData] Avoid repeated hash lookups (NFC)

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

diff --git a/llvm/lib/ProfileData/InstrProf.cpp b/llvm/lib/ProfileData/InstrProf.cpp
index 819ddd02a24ce..47eb751328b51 100644
--- a/llvm/lib/ProfileData/InstrProf.cpp
+++ b/llvm/lib/ProfileData/InstrProf.cpp
@@ -1076,7 +1076,8 @@ void TemporalProfTraceTy::createBPFunctionNodes(
     // BalancedPartitioning more effective.
     for (auto &[Id, UNs] : IdToUNs)
       llvm::erase_if(UNs, [&](auto &UN) {
-        return UNFrequency[UN] <= 1 || 2 * UNFrequency[UN] > IdToUNs.size();
+        unsigned Freq = UNFrequency[UN];
+        return Freq <= 1 || 2 * Freq > IdToUNs.size();
       });
   }