[llvm] [DebugInfo] Avoid repeated hash lookups (NFC) (PR #128395)

[Kazu Hirata via llvm-commits]

https://github.com/kazutakahirata created https://github.com/llvm/llvm-project/pull/128395

None

>From 76c3661a04cac10d11d12bd96d0438096af252f8 Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu at google.com>
Date: Sat, 22 Feb 2025 02:28:35 -0800
Subject: [PATCH] [DebugInfo] Avoid repeated hash lookups (NFC)

---
 llvm/lib/DebugInfo/LogicalView/Readers/LVCodeViewReader.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/llvm/lib/DebugInfo/LogicalView/Readers/LVCodeViewReader.cpp b/llvm/lib/DebugInfo/LogicalView/Readers/LVCodeViewReader.cpp
index 2433fa5016b88..6ce9bcbeb13c0 100644
--- a/llvm/lib/DebugInfo/LogicalView/Readers/LVCodeViewReader.cpp
+++ b/llvm/lib/DebugInfo/LogicalView/Readers/LVCodeViewReader.cpp
@@ -162,11 +162,12 @@ void LVCodeViewReader::cacheRelocations() {
   for (const SectionRef &Section : getObj().sections()) {
     const coff_section *CoffSection = getObj().getCOFFSection(Section);
 
+    auto &RM = RelocMap[CoffSection];
     for (const RelocationRef &Relocacion : Section.relocations())
-      RelocMap[CoffSection].push_back(Relocacion);
+      RM.push_back(Relocacion);
 
     // Sort relocations by address.
-    llvm::sort(RelocMap[CoffSection], [](RelocationRef L, RelocationRef R) {
+    llvm::sort(RM, [](RelocationRef L, RelocationRef R) {
       return L.getOffset() < R.getOffset();
     });
   }