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

kazutakahirata · web-flow · commit e264b0e85627 · 2025-02-26T00:57:28.000-08:00
diff --git 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();
       });
   }
 

Original file line number	Diff line number	Diff line change
`@@ -1076,7 +1076,8 @@ void TemporalProfTraceTy::createBPFunctionNodes(`
`1076`	`1076`	`// BalancedPartitioning more effective.`
`1077`	`1077`	`for (auto &[Id, UNs] : IdToUNs)`
`1078`	`1078`	`llvm::erase_if(UNs, [&](auto &UN) {`
`1079`		`- return UNFrequency[UN] <= 1 \|\| 2 * UNFrequency[UN] > IdToUNs.size();`
	`1079`	`+ unsigned Freq = UNFrequency[UN];`
	`1080`	`+ return Freq <= 1 \|\| 2 * Freq > IdToUNs.size();`
`1080`	`1081`	`});`
`1081`	`1082`	`}`
`1082`	`1083`