[Lldb-commits] [PATCH] D80595: Also cache negative results in GetXcodeSDKPath (NFC)

[Adrian Prantl via Phabricator via lldb-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rG334552150770: Also cache negative results in GetXcodeSDKPath 
(NFC) (authored by aprantl).
Herald added a project: LLDB.

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D80595/new/

https://reviews.llvm.org/D80595

Files:
  lldb/source/Host/macosx/objcxx/HostInfoMacOSX.mm


Index: lldb/source/Host/macosx/objcxx/HostInfoMacOSX.mm
===================================================================
--- lldb/source/Host/macosx/objcxx/HostInfoMacOSX.mm
+++ lldb/source/Host/macosx/objcxx/HostInfoMacOSX.mm
@@ -367,8 +367,10 @@
   static std::mutex g_sdk_path_mutex;
 
   std::lock_guard<std::mutex> guard(g_sdk_path_mutex);
-  std::string &path = g_sdk_path[sdk.GetString()];
-  if (path.empty())
-    path = GetXcodeSDK(sdk);
+  auto it = g_sdk_path.find(sdk.GetString());
+  if (it != g_sdk_path.end())
+    return it->second;
+  std::string path = GetXcodeSDK(sdk);
+  g_sdk_path.insert({sdk.GetString(), path});
   return path;
 }



Index: lldb/source/Host/macosx/objcxx/HostInfoMacOSX.mm
===================================================================
--- lldb/source/Host/macosx/objcxx/HostInfoMacOSX.mm
+++ lldb/source/Host/macosx/objcxx/HostInfoMacOSX.mm
@@ -367,8 +367,10 @@
   static std::mutex g_sdk_path_mutex;
 
   std::lock_guard<std::mutex> guard(g_sdk_path_mutex);
-  std::string &path = g_sdk_path[sdk.GetString()];
-  if (path.empty())
-    path = GetXcodeSDK(sdk);
+  auto it = g_sdk_path.find(sdk.GetString());
+  if (it != g_sdk_path.end())
+    return it->second;
+  std::string path = GetXcodeSDK(sdk);
+  g_sdk_path.insert({sdk.GetString(), path});
   return path;
 }

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