[llvm] [Object] Avoid repeated hash lookups (NFC) (PR #127746)

[Kazu Hirata via llvm-commits]

https://github.com/kazutakahirata created https://github.com/llvm/llvm-project/pull/127746

None

>From 5e0b308585c38eb1ffc9364a68e443e80c27f26d Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu at google.com>
Date: Tue, 18 Feb 2025 09:43:32 -0800
Subject: [PATCH] [Object] Avoid repeated hash lookups (NFC)

---
 llvm/lib/Object/GOFFObjectFile.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/llvm/lib/Object/GOFFObjectFile.cpp b/llvm/lib/Object/GOFFObjectFile.cpp
index 7806953aecd29..a55005e689e62 100644
--- a/llvm/lib/Object/GOFFObjectFile.cpp
+++ b/llvm/lib/Object/GOFFObjectFile.cpp
@@ -503,8 +503,9 @@ GOFFObjectFile::getSectionContents(DataRefImpl Sec) const {
     std::copy(CompleteData.data(), CompleteData.data() + TxtDataSize,
               Data.begin() + TxtDataOffset);
   }
-  SectionDataCache[Sec.d.a] = Data;
-  return ArrayRef<uint8_t>(SectionDataCache[Sec.d.a]);
+  auto &Cache = SectionDataCache[Sec.d.a];
+  Cache = Data;
+  return ArrayRef<uint8_t>(Cache);
 }
 
 uint64_t GOFFObjectFile::getSectionAlignment(DataRefImpl Sec) const {