Fixes some instances of auto usage with unintentional copy

FEXCore/Source/Interface/IR/AOTIR.cpp

@@ -338,7 +338,7 @@ bool AOTIRCaptureCache::PostCompileCode(FEXCore::Core::InternalThreadState* Thre
 
         auto LocalRIP = GuestRIP - AOTIRCacheEntry.VAFileStart;
         auto LocalStartAddr = StartAddr - AOTIRCacheEntry.VAFileStart;
-        auto FileId = AOTIRCacheEntry.Entry->FileId;
+        const auto& FileId = AOTIRCacheEntry.Entry->FileId;
 
         // The lambda is converted to std::function. This is tricky to refactor so it doesn't allocate memory through glibc.
         // NOTE: unique_ptr must be passed as a raw pointer since std::function requires lambda captures to be copyable

FEXCore/Source/Interface/IR/Passes/IRDumperPass.cpp

@@ -27,7 +27,7 @@ class IRDumper final : public FEXCore::IR::Pass {
 };
 
 IRDumper::IRDumper() {
-  const auto DumpIRStr = DumpIR();
+  const auto& DumpIRStr = DumpIR();
   if (DumpIRStr == "stderr" || DumpIRStr == "stdout" || DumpIRStr == "no") {
     // Intentionally do nothing
   } else if (DumpIRStr == "server") {

FEXCore/Source/Utils/Telemetry.cpp

@@ -45,7 +45,7 @@ void Initialize() {
     return;
   }
 
-  auto DataDirectory = Config::GetTelemetryDirectory();
+  const auto& DataDirectory = Config::GetTelemetryDirectory();
 
   // Ensure the folder structure is created for our configuration
   if (!FHU::Filesystem::Exists(DataDirectory) && !FHU::Filesystem::CreateDirectories(DataDirectory)) {

Source/Tools/CodeSizeValidation/Main.cpp

@@ -291,7 +291,7 @@ static bool TestInstructions(FEXCore::Context::Context* CTX, FEXCore::Core::Inte
     bool ShouldShowCode = INSTStats->first.HostCodeInstructions != CurrentTest->ExpectedInstructionCount;
 
     if (ShouldShowCode) {
-      for (auto Line : INSTStats->second) {
+      for (const auto& Line : INSTStats->second) {
         LogMan::Msg::EFmt("\t{}", Line);
       }
     }

Source/Tools/FEXLoader/FEXLoader.cpp

@@ -360,7 +360,7 @@ int main(int argc, char** argv, char** const envp) {
     LogMan::Throw::UnInstallHandler();
     LogMan::Msg::UnInstallHandler();
   } else {
-    auto LogFile = OutputLog();
+    const auto& LogFile = OutputLog();
     // If stderr or stdout then we need to dup the FD
     // In some cases some applications will close stderr and stdout
     // then redirect the FD to either a log OR some cases just not use

Source/Tools/FEXRootFSFetcher/Main.cpp

@@ -96,7 +96,7 @@ void ParseArguments(int argc, char** argv) {
   }
 
   if (Options.is_set_by_user("force_ui")) {
-    auto Option = Options["force_ui"];
+    const auto& Option = Options["force_ui"];
     if (Option == "tty") {
       UIOption = UIOverrideOption::TTY;
     } else if (Option == "zenity") {

Source/Tools/LinuxEmulation/LinuxSyscalls/FileManagement.cpp

@@ -263,7 +263,7 @@ FileManager::FileManager(FEXCore::Context::Context* ctx)
   }
 
   // Now that we loaded the thunks object, walk through and ensure dependencies are enabled as well
-  auto ThunkGuestPath = Is64BitMode() ? ThunkGuestLibs() : ThunkGuestLibs32();
+  const auto& ThunkGuestPath = Is64BitMode() ? ThunkGuestLibs() : ThunkGuestLibs32();
   for (const auto& DBObject : ThunkDB) {
     if (!DBObject.second.Enabled) {
       continue;