[GSYM] Avoid repeated hash lookups (NFC)

[kazutakahirata]

No description provided.

[llvmbot]

@llvm/pr-subscribers-debuginfo

Author: Kazu Hirata (kazutakahirata)

Changes

---

Full diff: https://github.com/llvm/llvm-project/pull/109241.diff

1 Files Affected:

• (modified) llvm/lib/DebugInfo/GSYM/GsymCreator.cpp (+1-2)

diff --git a/llvm/lib/DebugInfo/GSYM/GsymCreator.cpp b/llvm/lib/DebugInfo/GSYM/GsymCreator.cpp
index 0418e3258a16bf..3227fa5400fb5c 100644
--- a/llvm/lib/DebugInfo/GSYM/GsymCreator.cpp
+++ b/llvm/lib/DebugInfo/GSYM/GsymCreator.cpp
@@ -375,8 +375,7 @@ uint32_t GsymCreator::insertString(StringRef S, bool Copy) {
   // Save a mapping of string offsets to the cached string reference in case
   // we need to segment the GSYM file and copy string from one string table to
   // another.
-  if (StringOffsetMap.count(StrOff) == 0)
-    StringOffsetMap.insert(std::make_pair(StrOff, CHStr));
+  StringOffsetMap.try_emplace(StrOff, CHStr);
   return StrOff;
 }