[ProfileData] Avoid repeated hash lookups (NFC)

[kazutakahirata]

No description provided.

[llvmbot]

@llvm/pr-subscribers-pgo

Author: Kazu Hirata (kazutakahirata)

Changes

---

Full diff: https://github.com/llvm/llvm-project/pull/128829.diff

1 Files Affected:

• (modified) llvm/lib/ProfileData/InstrProf.cpp (+2-1)

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();
       });
   }