[llvm] [AsmPrinter] Avoid repeated hash lookups (NFC) (PR #128630)

[Kazu Hirata via llvm-commits]

https://github.com/kazutakahirata created https://github.com/llvm/llvm-project/pull/128630

None

>From f9f8097749e6142d43f5fcb38d6090dbdea4109d Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu at google.com>
Date: Mon, 24 Feb 2025 01:03:03 -0800
Subject: [PATCH] [AsmPrinter] Avoid repeated hash lookups (NFC)

---
 llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
index ddf0275ddfe6a..5bc30fede4720 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
@@ -1777,8 +1777,9 @@ DIE *DwarfCompileUnit::getOrCreateContextDIE(const DIScope *Context) {
 
     // Otherwise the context must be a DISubprogram.
     auto *SPScope = cast<DISubprogram>(Context);
-    if (getAbstractScopeDIEs().count(SPScope))
-      return getAbstractScopeDIEs()[SPScope];
+    const auto &DIEs = getAbstractScopeDIEs();
+    if (auto It = DIEs.find(SPScope); It != DIEs.end())
+      return It->second;
   }
   return DwarfUnit::getOrCreateContextDIE(Context);
 }