[lldb] Avoid repeated map lookups (NFC)

[kazutakahirata]

No description provided.

[llvmbot]

@llvm/pr-subscribers-lldb

Author: Kazu Hirata (kazutakahirata)

Changes

---

Full diff: https://github.com/llvm/llvm-project/pull/113073.diff

1 Files Affected:

• (modified) lldb/source/Interpreter/Options.cpp (+2-5)

diff --git a/lldb/source/Interpreter/Options.cpp b/lldb/source/Interpreter/Options.cpp
index 6a90b2cc9b9896..893a3b71604ba8 100644
--- a/lldb/source/Interpreter/Options.cpp
+++ b/lldb/source/Interpreter/Options.cpp
@@ -251,12 +251,9 @@ Option *Options::GetLongOptions() {
       m_getopt_table[i].flag = nullptr;
       m_getopt_table[i].val = short_opt;
 
-      if (option_seen.find(short_opt) == option_seen.end()) {
-        option_seen[short_opt] = i;
-      } else if (short_opt) {
+      auto [pos, inserted] = option_seen.try_emplace(short_opt, i);
+      if (!inserted && short_opt) {
         m_getopt_table[i].val = 0;
-        std::map<int, uint32_t>::const_iterator pos =
-            option_seen.find(short_opt);
         StreamString strm;
         if (defs[i].HasShortOption())
           Debugger::ReportError(

[nikic]

LGTM