39 files changed, 262 insertions, 236 deletions

diff --git a/src/audio_core/in/audio_in_system.cpp b/src/audio_core/in/audio_in_system.cpp
index 6b7e6715c..4324cafd8 100644
--- a/src/audio_core/in/audio_in_system.cpp
+++ b/src/audio_core/in/audio_in_system.cpp
@@ -56,7 +56,7 @@ Result System::IsConfigValid(const std::string_view device_name,
     return ResultSuccess;
 }
 
-Result System::Initialize(std::string& device_name, const AudioInParameter& in_params,
+Result System::Initialize(std::string device_name, const AudioInParameter& in_params,
                           const u32 handle_, const u64 applet_resource_user_id_) {
     auto result{IsConfigValid(device_name, in_params)};
     if (result.IsError()) {
diff --git a/src/audio_core/in/audio_in_system.h b/src/audio_core/in/audio_in_system.h
index b9dc0e60f..1c5154638 100644
--- a/src/audio_core/in/audio_in_system.h
+++ b/src/audio_core/in/audio_in_system.h
@@ -97,7 +97,7 @@ public:
      * @param applet_resource_user_id - Unused.
      * @return Result code.
      */
-    Result Initialize(std::string& device_name, const AudioInParameter& in_params, u32 handle,
+    Result Initialize(std::string device_name, const AudioInParameter& in_params, u32 handle,
                       u64 applet_resource_user_id);
 
     /**
diff --git a/src/audio_core/out/audio_out_system.cpp b/src/audio_core/out/audio_out_system.cpp
index 48a801923..a66208ed9 100644
--- a/src/audio_core/out/audio_out_system.cpp
+++ b/src/audio_core/out/audio_out_system.cpp
@@ -49,8 +49,8 @@ Result System::IsConfigValid(std::string_view device_name,
     return Service::Audio::ERR_INVALID_CHANNEL_COUNT;
 }
 
-Result System::Initialize(std::string& device_name, const AudioOutParameter& in_params, u32 handle_,
-                          u64& applet_resource_user_id_) {
+Result System::Initialize(std::string device_name, const AudioOutParameter& in_params, u32 handle_,
+                          u64 applet_resource_user_id_) {
     auto result = IsConfigValid(device_name, in_params);
     if (result.IsError()) {
         return result;
diff --git a/src/audio_core/out/audio_out_system.h b/src/audio_core/out/audio_out_system.h
index 0817b2f37..b95cb91be 100644
--- a/src/audio_core/out/audio_out_system.h
+++ b/src/audio_core/out/audio_out_system.h
@@ -88,8 +88,8 @@ public:
      * @param applet_resource_user_id - Unused.
      * @return Result code.
      */
-    Result Initialize(std::string& device_name, const AudioOutParameter& in_params, u32 handle,
-                      u64& applet_resource_user_id);
+    Result Initialize(std::string device_name, const AudioOutParameter& in_params, u32 handle,
+                      u64 applet_resource_user_id);
 
     /**
      * Start this system.
diff --git a/src/common/concepts.h b/src/common/concepts.h
index e8ce30dfe..a9acff3e7 100644
--- a/src/common/concepts.h
+++ b/src/common/concepts.h
@@ -3,24 +3,14 @@
 
 #pragma once
 
+#include <iterator>
 #include <type_traits>
 
 namespace Common {
 
-// Check if type is like an STL container
+// Check if type satisfies the ContiguousContainer named requirement.
 template <typename T>
-concept IsSTLContainer = requires(T t) {
-    typename T::value_type;
-    typename T::iterator;
-    typename T::const_iterator;
-    // TODO(ogniK): Replace below is std::same_as<void> when MSVC supports it.
-    t.begin();
-    t.end();
-    t.cbegin();
-    t.cend();
-    t.data();
-    t.size();
-};
+concept IsContiguousContainer = std::contiguous_iterator<typename T::iterator>;
 
 // TODO: Replace with std::derived_from when the <concepts> header
 //       is available on all supported platforms.
diff --git a/src/common/fs/file.h b/src/common/fs/file.h
index 69b53384c..167c4d826 100644
--- a/src/common/fs/file.h
+++ b/src/common/fs/file.h
@@ -209,8 +209,8 @@ public:
 
     /**
      * Helper function which deduces the value type of a contiguous STL container used in ReadSpan.
-     * If T is not a contiguous STL container as defined by the concept IsSTLContainer, this calls
-     * ReadObject and T must be a trivially copyable object.
+     * If T is not a contiguous container as defined by the concept IsContiguousContainer, this
+     * calls ReadObject and T must be a trivially copyable object.
      *
      * See ReadSpan for more details if T is a contiguous container.
      * See ReadObject for more details if T is a trivially copyable object.
@@ -223,7 +223,7 @@ public:
      */
     template <typename T>
     [[nodiscard]] size_t Read(T& data) const {
-        if constexpr (IsSTLContainer<T>) {
+        if constexpr (IsContiguousContainer<T>) {
             using ContiguousType = typename T::value_type;
             static_assert(std::is_trivially_copyable_v<ContiguousType>,
                           "Data type must be trivially copyable.");
@@ -235,8 +235,8 @@ public:
 
     /**
      * Helper function which deduces the value type of a contiguous STL container used in WriteSpan.
-     * If T is not a contiguous STL container as defined by the concept IsSTLContainer, this calls
-     * WriteObject and T must be a trivially copyable object.
+     * If T is not a contiguous STL container as defined by the concept IsContiguousContainer, this
+     * calls WriteObject and T must be a trivially copyable object.
      *
      * See WriteSpan for more details if T is a contiguous container.
      * See WriteObject for more details if T is a trivially copyable object.
@@ -249,7 +249,7 @@ public:
      */
     template <typename T>
     [[nodiscard]] size_t Write(const T& data) const {
-        if constexpr (IsSTLContainer<T>) {
+        if constexpr (IsContiguousContainer<T>) {
             using ContiguousType = typename T::value_type;
             static_assert(std::is_trivially_copyable_v<ContiguousType>,
                           "Data type must be trivially copyable.");
diff --git a/src/common/input.h b/src/common/input.h
index b533f3844..cb30b7254 100644
--- a/src/common/input.h
+++ b/src/common/input.h
@@ -100,7 +100,6 @@ enum class CameraError {
 enum class VibrationAmplificationType {
     Linear,
     Exponential,
-    Test,
 };
 
 // Analog properties for calibration
@@ -325,6 +324,10 @@ public:
         return VibrationError::NotSupported;
     }
 
+    virtual bool IsVibrationEnabled() {
+        return false;
+    }
+
     virtual PollingError SetPollingMode([[maybe_unused]] PollingMode polling_mode) {
         return PollingError::NotSupported;
     }
diff --git a/src/core/arm/dynarmic/arm_dynarmic_32.cpp b/src/core/arm/dynarmic/arm_dynarmic_32.cpp
index d1e70f19d..287ba102e 100644
--- a/src/core/arm/dynarmic/arm_dynarmic_32.cpp
+++ b/src/core/arm/dynarmic/arm_dynarmic_32.cpp
@@ -450,7 +450,7 @@ std::vector<ARM_Interface::BacktraceEntry> ARM_Dynarmic_32::GetBacktrace(Core::S
     // Frame records are two words long:
     // fp+0 : pointer to previous frame record
     // fp+4 : value of lr for frame
-    while (true) {
+    for (size_t i = 0; i < 256; i++) {
         out.push_back({"", 0, lr, 0, ""});
         if (!fp || (fp % 4 != 0) || !memory.IsValidVirtualAddressRange(fp, 8)) {
             break;
diff --git a/src/core/arm/dynarmic/arm_dynarmic_64.cpp b/src/core/arm/dynarmic/arm_dynarmic_64.cpp
index 22b5d5656..afb7fb3a0 100644
--- a/src/core/arm/dynarmic/arm_dynarmic_64.cpp
+++ b/src/core/arm/dynarmic/arm_dynarmic_64.cpp
@@ -517,7 +517,7 @@ std::vector<ARM_Interface::BacktraceEntry> ARM_Dynarmic_64::GetBacktrace(Core::S
     // Frame records are two words long:
     // fp+0 : pointer to previous frame record
     // fp+8 : value of lr for frame
-    while (true) {
+    for (size_t i = 0; i < 256; i++) {
         out.push_back({"", 0, lr, 0, ""});
         if (!fp || (fp % 4 != 0) || !memory.IsValidVirtualAddressRange(fp, 16)) {
             break;
diff --git a/src/core/file_sys/control_metadata.cpp b/src/core/file_sys/control_metadata.cpp
index be25da2f6..50f44f598 100644
--- a/src/core/file_sys/control_metadata.cpp
+++ b/src/core/file_sys/control_metadata.cpp
@@ -1,6 +1,7 @@
 // SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
+#include "common/settings.h"
 #include "common/string_util.h"
 #include "common/swap.h"
 #include "core/file_sys/control_metadata.h"
@@ -37,6 +38,27 @@ std::string LanguageEntry::GetDeveloperName() const {
                                                        developer_name.size());
 }
 
+constexpr std::array<Language, 18> language_to_codes = {{
+    Language::Japanese,
+    Language::AmericanEnglish,
+    Language::French,
+    Language::German,
+    Language::Italian,
+    Language::Spanish,
+    Language::Chinese,
+    Language::Korean,
+    Language::Dutch,
+    Language::Portuguese,
+    Language::Russian,
+    Language::Taiwanese,
+    Language::BritishEnglish,
+    Language::CanadianFrench,
+    Language::LatinAmericanSpanish,
+    Language::Chinese,
+    Language::Taiwanese,
+    Language::BrazilianPortuguese,
+}};
+
 NACP::NACP() = default;
 
 NACP::NACP(VirtualFile file) {
@@ -45,9 +67,13 @@ NACP::NACP(VirtualFile file) {
 
 NACP::~NACP() = default;
 
-const LanguageEntry& NACP::GetLanguageEntry(Language language) const {
-    if (language != Language::Default) {
-        return raw.language_entries.at(static_cast<u8>(language));
+const LanguageEntry& NACP::GetLanguageEntry() const {
+    Language language = language_to_codes[Settings::values.language_index.GetValue()];
+
+    {
+        const auto& language_entry = raw.language_entries.at(static_cast<u8>(language));
+        if (!language_entry.GetApplicationName().empty())
+            return language_entry;
     }
 
     for (const auto& language_entry : raw.language_entries) {
@@ -55,16 +81,15 @@ const LanguageEntry& NACP::GetLanguageEntry(Language language) const {
             return language_entry;
     }
 
-    // Fallback to English
-    return GetLanguageEntry(Language::AmericanEnglish);
+    return raw.language_entries.at(static_cast<u8>(Language::AmericanEnglish));
 }
 
-std::string NACP::GetApplicationName(Language language) const {
-    return GetLanguageEntry(language).GetApplicationName();
+std::string NACP::GetApplicationName() const {
+    return GetLanguageEntry().GetApplicationName();
 }
 
-std::string NACP::GetDeveloperName(Language language) const {
-    return GetLanguageEntry(language).GetDeveloperName();
+std::string NACP::GetDeveloperName() const {
+    return GetLanguageEntry().GetDeveloperName();
 }
 
 u64 NACP::GetTitleId() const {
diff --git a/src/core/file_sys/control_metadata.h b/src/core/file_sys/control_metadata.h
index 75295519c..6a81873b1 100644
--- a/src/core/file_sys/control_metadata.h
+++ b/src/core/file_sys/control_metadata.h
@@ -101,9 +101,9 @@ public:
     explicit NACP(VirtualFile file);
     ~NACP();
 
-    const LanguageEntry& GetLanguageEntry(Language language = Language::Default) const;
-    std::string GetApplicationName(Language language = Language::Default) const;
-    std::string GetDeveloperName(Language language = Language::Default) const;
+    const LanguageEntry& GetLanguageEntry() const;
+    std::string GetApplicationName() const;
+    std::string GetDeveloperName() const;
     u64 GetTitleId() const;
     u64 GetDLCBaseTitleId() const;
     std::string GetVersionString() const;
diff --git a/src/core/hid/emulated_controller.cpp b/src/core/hid/emulated_controller.cpp
index 57eff72fe..ec1364452 100644
--- a/src/core/hid/emulated_controller.cpp
+++ b/src/core/hid/emulated_controller.cpp
@@ -970,14 +970,7 @@ bool EmulatedController::SetVibration(std::size_t device_index, VibrationValue v
            Common::Input::VibrationError::None;
 }
 
-bool EmulatedController::TestVibration(std::size_t device_index) {
-    if (device_index >= output_devices.size()) {
-        return false;
-    }
-    if (!output_devices[device_index]) {
-        return false;
-    }
-
+bool EmulatedController::IsVibrationEnabled(std::size_t device_index) {
     const auto player_index = NpadIdTypeToIndex(npad_id_type);
     const auto& player = Settings::values.players.GetValue()[player_index];
 
@@ -985,31 +978,15 @@ bool EmulatedController::TestVibration(std::size_t device_index) {
         return false;
     }
 
-    const Common::Input::VibrationStatus test_vibration = {
-        .low_amplitude = 0.001f,
-        .low_frequency = DEFAULT_VIBRATION_VALUE.low_frequency,
-        .high_amplitude = 0.001f,
-        .high_frequency = DEFAULT_VIBRATION_VALUE.high_frequency,
-        .type = Common::Input::VibrationAmplificationType::Test,
-    };
-
-    const Common::Input::VibrationStatus zero_vibration = {
-        .low_amplitude = DEFAULT_VIBRATION_VALUE.low_amplitude,
-        .low_frequency = DEFAULT_VIBRATION_VALUE.low_frequency,
-        .high_amplitude = DEFAULT_VIBRATION_VALUE.high_amplitude,
-        .high_frequency = DEFAULT_VIBRATION_VALUE.high_frequency,
-        .type = Common::Input::VibrationAmplificationType::Test,
-    };
-
-    // Send a slight vibration to test for rumble support
-    output_devices[device_index]->SetVibration(test_vibration);
+    if (device_index >= output_devices.size()) {
+        return false;
+    }
 
-    // Wait for about 15ms to ensure the controller is ready for the stop command
-    std::this_thread::sleep_for(std::chrono::milliseconds(15));
+    if (!output_devices[device_index]) {
+        return false;
+    }
 
-    // Stop any vibration and return the result
-    return output_devices[device_index]->SetVibration(zero_vibration) ==
-           Common::Input::VibrationError::None;
+    return output_devices[device_index]->IsVibrationEnabled();
 }
 
 bool EmulatedController::SetPollingMode(Common::Input::PollingMode polling_mode) {
@@ -1048,6 +1025,7 @@ bool EmulatedController::HasNfc() const {
     case NpadStyleIndex::JoyconRight:
     case NpadStyleIndex::JoyconDual:
     case NpadStyleIndex::ProController:
+    case NpadStyleIndex::Handheld:
         break;
     default:
         return false;
@@ -1234,12 +1212,6 @@ bool EmulatedController::IsConnected(bool get_temporary_value) const {
     return is_connected;
 }
 
-bool EmulatedController::IsVibrationEnabled() const {
-    const auto player_index = NpadIdTypeToIndex(npad_id_type);
-    const auto& player = Settings::values.players.GetValue()[player_index];
-    return player.vibration_enabled;
-}
-
 NpadIdType EmulatedController::GetNpadIdType() const {
     std::scoped_lock lock{mutex};
     return npad_id_type;
diff --git a/src/core/hid/emulated_controller.h b/src/core/hid/emulated_controller.h
index 319226bf8..d004ca56a 100644
--- a/src/core/hid/emulated_controller.h
+++ b/src/core/hid/emulated_controller.h
@@ -206,9 +206,6 @@ public:
      */
     bool IsConnected(bool get_temporary_value = false) const;
 
-    /// Returns true if vibration is enabled
-    bool IsVibrationEnabled() const;
-
     /// Removes all callbacks created from input devices
     void UnloadInput();
 
@@ -339,7 +336,7 @@ public:
      * Sends a small vibration to the output device
      * @return true if SetVibration was successfull
      */
-    bool TestVibration(std::size_t device_index);
+    bool IsVibrationEnabled(std::size_t device_index);
 
     /**
      * Sets the desired data to be polled from a controller
diff --git a/src/core/hle/kernel/global_scheduler_context.cpp b/src/core/hle/kernel/global_scheduler_context.cpp
index 65576b8c4..fd911a3a5 100644
--- a/src/core/hle/kernel/global_scheduler_context.cpp
+++ b/src/core/hle/kernel/global_scheduler_context.cpp
@@ -49,4 +49,26 @@ bool GlobalSchedulerContext::IsLocked() const {
     return scheduler_lock.IsLockedByCurrentThread();
 }
 
+void GlobalSchedulerContext::RegisterDummyThreadForWakeup(KThread* thread) {
+    ASSERT(IsLocked());
+
+    woken_dummy_threads.insert(thread);
+}
+
+void GlobalSchedulerContext::UnregisterDummyThreadForWakeup(KThread* thread) {
+    ASSERT(IsLocked());
+
+    woken_dummy_threads.erase(thread);
+}
+
+void GlobalSchedulerContext::WakeupWaitingDummyThreads() {
+    ASSERT(IsLocked());
+
+    for (auto* thread : woken_dummy_threads) {
+        thread->DummyThreadEndWait();
+    }
+
+    woken_dummy_threads.clear();
+}
+
 } // namespace Kernel
diff --git a/src/core/hle/kernel/global_scheduler_context.h b/src/core/hle/kernel/global_scheduler_context.h
index 67bb9852d..220ed6192 100644
--- a/src/core/hle/kernel/global_scheduler_context.h
+++ b/src/core/hle/kernel/global_scheduler_context.h
@@ -4,6 +4,7 @@
 #pragma once
 
 #include <atomic>
+#include <set>
 #include <vector>
 
 #include "common/common_types.h"
@@ -58,6 +59,10 @@ public:
     /// Returns true if the global scheduler lock is acquired
     bool IsLocked() const;
 
+    void UnregisterDummyThreadForWakeup(KThread* thread);
+    void RegisterDummyThreadForWakeup(KThread* thread);
+    void WakeupWaitingDummyThreads();
+
     [[nodiscard]] LockType& SchedulerLock() {
         return scheduler_lock;
     }
@@ -76,6 +81,9 @@ private:
     KSchedulerPriorityQueue priority_queue;
     LockType scheduler_lock;
 
+    /// Lists dummy threads pending wakeup on lock release
+    std::set<KThread*> woken_dummy_threads;
+
     /// Lists all thread ids that aren't deleted/etc.
     std::vector<KThread*> thread_list;
     std::mutex global_list_guard;
diff --git a/src/core/hle/kernel/hle_ipc.h b/src/core/hle/kernel/hle_ipc.h
index a0522bca0..1083638a9 100644
--- a/src/core/hle/kernel/hle_ipc.h
+++ b/src/core/hle/kernel/hle_ipc.h
@@ -304,7 +304,7 @@ public:
      */
     template <typename T, typename = std::enable_if_t<!std::is_pointer_v<T>>>
     std::size_t WriteBuffer(const T& data, std::size_t buffer_index = 0) const {
-        if constexpr (Common::IsSTLContainer<T>) {
+        if constexpr (Common::IsContiguousContainer<T>) {
             using ContiguousType = typename T::value_type;
             static_assert(std::is_trivially_copyable_v<ContiguousType>,
                           "Container to WriteBuffer must contain trivially copyable objects");
diff --git a/src/core/hle/kernel/k_scheduler.cpp b/src/core/hle/kernel/k_scheduler.cpp
index c34ce7a17..b1cabbca0 100644
--- a/src/core/hle/kernel/k_scheduler.cpp
+++ b/src/core/hle/kernel/k_scheduler.cpp
@@ -81,8 +81,8 @@ void KScheduler::RescheduleCurrentHLEThread(KernelCore& kernel) {
     // HACK: we cannot schedule from this thread, it is not a core thread
     ASSERT(GetCurrentThread(kernel).GetDisableDispatchCount() == 1);
 
-    // Special case to ensure dummy threads that are waiting block
-    GetCurrentThread(kernel).IfDummyThreadTryWait();
+    // Ensure dummy threads that are waiting block.
+    GetCurrentThread(kernel).DummyThreadBeginWait();
 
     ASSERT(GetCurrentThread(kernel).GetState() != ThreadState::Waiting);
     GetCurrentThread(kernel).EnableDispatch();
@@ -314,6 +314,16 @@ u64 KScheduler::UpdateHighestPriorityThreadsImpl(KernelCore& kernel) {
         idle_cores &= ~(1ULL << core_id);
     }
 
+    // HACK: any waiting dummy threads can wake up now.
+    kernel.GlobalSchedulerContext().WakeupWaitingDummyThreads();
+
+    // HACK: if we are a dummy thread, and we need to go sleep, indicate
+    // that for when the lock is released.
+    KThread* const cur_thread = GetCurrentThreadPointer(kernel);
+    if (cur_thread->IsDummyThread() && cur_thread->GetState() != ThreadState::Runnable) {
+        cur_thread->RequestDummyThreadWait();
+    }
+
     return cores_needing_scheduling;
 }
 
@@ -531,11 +541,23 @@ void KScheduler::OnThreadStateChanged(KernelCore& kernel, KThread* thread, Threa
         GetPriorityQueue(kernel).Remove(thread);
         IncrementScheduledCount(thread);
         SetSchedulerUpdateNeeded(kernel);
+
+        if (thread->IsDummyThread()) {
+            // HACK: if this is a dummy thread, it should no longer wake up when the
+            // scheduler lock is released.
+            kernel.GlobalSchedulerContext().UnregisterDummyThreadForWakeup(thread);
+        }
     } else if (cur_state == ThreadState::Runnable) {
         // If we're now runnable, then we weren't previously, and we should add.
         GetPriorityQueue(kernel).PushBack(thread);
         IncrementScheduledCount(thread);
         SetSchedulerUpdateNeeded(kernel);
+
+        if (thread->IsDummyThread()) {
+            // HACK: if this is a dummy thread, it should wake up when the scheduler
+            // lock is released.
+            kernel.GlobalSchedulerContext().RegisterDummyThreadForWakeup(thread);
+        }
     }
 }
 
diff --git a/src/core/hle/kernel/k_thread.cpp b/src/core/hle/kernel/k_thread.cpp
index b7bfcdce3..d57b42fdf 100644
--- a/src/core/hle/kernel/k_thread.cpp
+++ b/src/core/hle/kernel/k_thread.cpp
@@ -148,7 +148,9 @@ Result KThread::Initialize(KThreadFunction func, uintptr_t arg, VAddr user_stack
     physical_affinity_mask.SetAffinity(phys_core, true);
 
     // Set the thread state.
-    thread_state = (type == ThreadType::Main) ? ThreadState::Runnable : ThreadState::Initialized;
+    thread_state = (type == ThreadType::Main || type == ThreadType::Dummy)
+                       ? ThreadState::Runnable
+                       : ThreadState::Initialized;
 
     // Set TLS address.
     tls_address = 0;
@@ -1174,30 +1176,29 @@ Result KThread::Sleep(s64 timeout) {
     R_SUCCEED();
 }
 
-void KThread::IfDummyThreadTryWait() {
-    if (!IsDummyThread()) {
-        return;
-    }
+void KThread::RequestDummyThreadWait() {
+    ASSERT(KScheduler::IsSchedulerLockedByCurrentThread(kernel));
+    ASSERT(this->IsDummyThread());
 
-    if (GetState() != ThreadState::Waiting) {
-        return;
-    }
+    // We will block when the scheduler lock is released.
+    dummy_thread_runnable.store(false);
+}
 
+void KThread::DummyThreadBeginWait() {
+    ASSERT(this->IsDummyThread());
     ASSERT(!kernel.IsPhantomModeForSingleCore());
 
-    // Block until we are no longer waiting.
-    std::unique_lock lk(dummy_wait_lock);
-    dummy_wait_cv.wait(
-        lk, [&] { return GetState() != ThreadState::Waiting || kernel.IsShuttingDown(); });
+    // Block until runnable is no longer false.
+    dummy_thread_runnable.wait(false);
 }
 
-void KThread::IfDummyThreadEndWait() {
-    if (!IsDummyThread()) {
-        return;
-    }
+void KThread::DummyThreadEndWait() {
+    ASSERT(KScheduler::IsSchedulerLockedByCurrentThread(kernel));
+    ASSERT(this->IsDummyThread());
 
     // Wake up the waiting thread.
-    dummy_wait_cv.notify_one();
+    dummy_thread_runnable.store(true);
+    dummy_thread_runnable.notify_one();
 }
 
 void KThread::BeginWait(KThreadQueue* queue) {
@@ -1231,9 +1232,6 @@ void KThread::EndWait(Result wait_result_) {
         }
 
         wait_queue->EndWait(this, wait_result_);
-
-        // Special case for dummy threads to wakeup if necessary.
-        IfDummyThreadEndWait();
     }
 }
 
diff --git a/src/core/hle/kernel/k_thread.h b/src/core/hle/kernel/k_thread.h
index e2a27d603..30aa10c9a 100644
--- a/src/core/hle/kernel/k_thread.h
+++ b/src/core/hle/kernel/k_thread.h
@@ -643,8 +643,9 @@ public:
     // therefore will not block on guest kernel synchronization primitives. These methods handle
     // blocking as needed.
 
-    void IfDummyThreadTryWait();
-    void IfDummyThreadEndWait();
+    void RequestDummyThreadWait();
+    void DummyThreadBeginWait();
+    void DummyThreadEndWait();
 
     [[nodiscard]] uintptr_t GetArgument() const {
         return argument;
@@ -777,8 +778,7 @@ private:
     bool is_single_core{};
     ThreadType thread_type{};
     StepState step_state{};
-    std::mutex dummy_wait_lock;
-    std::condition_variable dummy_wait_cv;
+    std::atomic<bool> dummy_thread_runnable{true};
 
     // For debugging
     std::vector<KSynchronizationObject*> wait_objects_for_debugging;
diff --git a/src/core/hle/service/audio/audin_u.cpp b/src/core/hle/service/audio/audin_u.cpp
index 48a9a73a0..608925dfc 100644
--- a/src/core/hle/service/audio/audin_u.cpp
+++ b/src/core/hle/service/audio/audin_u.cpp
@@ -17,7 +17,7 @@ using namespace AudioCore::AudioIn;
 class IAudioIn final : public ServiceFramework<IAudioIn> {
 public:
     explicit IAudioIn(Core::System& system_, Manager& manager, size_t session_id,
-                      std::string& device_name, const AudioInParameter& in_params, u32 handle,
+                      const std::string& device_name, const AudioInParameter& in_params, u32 handle,
                       u64 applet_resource_user_id)
         : ServiceFramework{system_, "IAudioIn"},
           service_context{system_, "IAudioIn"}, event{service_context.CreateEvent("AudioInEvent")},
diff --git a/src/core/hle/service/audio/audout_u.cpp b/src/core/hle/service/audio/audout_u.cpp
index 49c092301..122290c6a 100644
--- a/src/core/hle/service/audio/audout_u.cpp
+++ b/src/core/hle/service/audio/audout_u.cpp
@@ -24,7 +24,7 @@ using namespace AudioCore::AudioOut;
 class IAudioOut final : public ServiceFramework<IAudioOut> {
 public:
     explicit IAudioOut(Core::System& system_, AudioCore::AudioOut::Manager& manager,
-                       size_t session_id, std::string& device_name,
+                       size_t session_id, const std::string& device_name,
                        const AudioOutParameter& in_params, u32 handle, u64 applet_resource_user_id)
         : ServiceFramework{system_, "IAudioOut", ServiceThreadType::CreateNew},
           service_context{system_, "IAudioOut"}, event{service_context.CreateEvent(
diff --git a/src/core/hle/service/hid/controllers/npad.cpp b/src/core/hle/service/hid/controllers/npad.cpp
index 3b26e96de..2f871de31 100644
--- a/src/core/hle/service/hid/controllers/npad.cpp
+++ b/src/core/hle/service/hid/controllers/npad.cpp
@@ -868,7 +868,7 @@ bool Controller_NPad::VibrateControllerAtIndex(Core::HID::NpadIdType npad_id,
         return false;
     }
 
-    if (!controller.device->IsVibrationEnabled()) {
+    if (!controller.device->IsVibrationEnabled(device_index)) {
         if (controller.vibration[device_index].latest_vibration_value.low_amplitude != 0.0f ||
             controller.vibration[device_index].latest_vibration_value.high_amplitude != 0.0f) {
             // Send an empty vibration to stop any vibrations.
@@ -1001,7 +1001,7 @@ void Controller_NPad::InitializeVibrationDeviceAtIndex(Core::HID::NpadIdType npa
     }
 
     controller.vibration[device_index].device_mounted =
-        controller.device->TestVibration(device_index);
+        controller.device->IsVibrationEnabled(device_index);
 }
 
 void Controller_NPad::SetPermitVibrationSession(bool permit_vibration_session) {
diff --git a/src/core/hle/service/nfp/amiibo_crypto.cpp b/src/core/hle/service/nfp/amiibo_crypto.cpp
index c32a6816b..167e29572 100644
--- a/src/core/hle/service/nfp/amiibo_crypto.cpp
+++ b/src/core/hle/service/nfp/amiibo_crypto.cpp
@@ -9,6 +9,7 @@
 #include <mbedtls/hmac_drbg.h>
 
 #include "common/fs/file.h"
+#include "common/fs/fs.h"
 #include "common/fs/path_util.h"
 #include "common/logging/log.h"
 #include "core/hle/service/mii/mii_manager.h"
@@ -279,7 +280,7 @@ bool LoadKeys(InternalKey& locked_secret, InternalKey& unfixed_info) {
                                        Common::FS::FileType::BinaryFile};
 
     if (!keys_file.IsOpen()) {
-        LOG_ERROR(Service_NFP, "No keys detected");
+        LOG_ERROR(Service_NFP, "Failed to open key file");
         return false;
     }
 
@@ -295,6 +296,11 @@ bool LoadKeys(InternalKey& locked_secret, InternalKey& unfixed_info) {
     return true;
 }
 
+bool IsKeyAvailable() {
+    const auto yuzu_keys_dir = Common::FS::GetYuzuPath(Common::FS::YuzuPath::KeysDir);
+    return Common::FS::Exists(yuzu_keys_dir / "key_retail.bin");
+}
+
 bool DecodeAmiibo(const EncryptedNTAG215File& encrypted_tag_data, NTAG215File& tag_data) {
     InternalKey locked_secret{};
     InternalKey unfixed_info{};
diff --git a/src/core/hle/service/nfp/amiibo_crypto.h b/src/core/hle/service/nfp/amiibo_crypto.h
index 0175ced91..1fa61174e 100644
--- a/src/core/hle/service/nfp/amiibo_crypto.h
+++ b/src/core/hle/service/nfp/amiibo_crypto.h
@@ -91,6 +91,9 @@ void Cipher(const DerivedKeys& keys, const NTAG215File& in_data, NTAG215File& ou
 /// Loads both amiibo keys from key_retail.bin
 bool LoadKeys(InternalKey& locked_secret, InternalKey& unfixed_info);
 
+/// Returns true if key_retail.bin exist
+bool IsKeyAvailable();
+
 /// Decodes encripted amiibo data returns true if output is valid
 bool DecodeAmiibo(const EncryptedNTAG215File& encrypted_tag_data, NTAG215File& tag_data);
 
diff --git a/src/core/hle/service/nfp/nfp_device.cpp b/src/core/hle/service/nfp/nfp_device.cpp
index 76f8a267a..b19672560 100644
--- a/src/core/hle/service/nfp/nfp_device.cpp
+++ b/src/core/hle/service/nfp/nfp_device.cpp
@@ -17,6 +17,7 @@
 #include "core/hle/ipc_helpers.h"
 #include "core/hle/kernel/k_event.h"
 #include "core/hle/service/mii/mii_manager.h"
+#include "core/hle/service/mii/types.h"
 #include "core/hle/service/nfp/amiibo_crypto.h"
 #include "core/hle/service/nfp/nfp.h"
 #include "core/hle/service/nfp/nfp_device.h"
@@ -233,6 +234,14 @@ Result NfpDevice::Mount(MountTarget mount_target_) {
         return NotAnAmiibo;
     }
 
+    // Mark amiibos as read only when keys are missing
+    if (!AmiiboCrypto::IsKeyAvailable()) {
+        LOG_ERROR(Service_NFP, "No keys detected");
+        device_state = DeviceState::TagMounted;
+        mount_target = MountTarget::Rom;
+        return ResultSuccess;
+    }
+
     if (!AmiiboCrypto::DecodeAmiibo(encrypted_tag_data, tag_data)) {
         LOG_ERROR(Service_NFP, "Can't decode amiibo {}", device_state);
         return CorruptedData;
diff --git a/src/core/hle/service/nfp/nfp_device.h b/src/core/hle/service/nfp/nfp_device.h
index a5b72cf19..76d0e9ae4 100644
--- a/src/core/hle/service/nfp/nfp_device.h
+++ b/src/core/hle/service/nfp/nfp_device.h
@@ -8,7 +8,6 @@
 
 #include "common/common_funcs.h"
 #include "core/hle/service/kernel_helpers.h"
-#include "core/hle/service/mii/types.h"
 #include "core/hle/service/nfp/nfp_types.h"
 #include "core/hle/service/service.h"
 
diff --git a/src/core/hle/service/nfp/nfp_types.h b/src/core/hle/service/nfp/nfp_types.h
index c09f9ddb6..63d5917cb 100644
--- a/src/core/hle/service/nfp/nfp_types.h
+++ b/src/core/hle/service/nfp/nfp_types.h
@@ -17,11 +17,6 @@ enum class ServiceType : u32 {
     System,
 };
 
-enum class State : u32 {
-    NonInitialized,
-    Initialized,
-};
-
 enum class DeviceState : u32 {
     Initialized,
     SearchingForTag,
diff --git a/src/core/hle/service/nfp/nfp_user.cpp b/src/core/hle/service/nfp/nfp_user.cpp
index 4ed53b534..33e2ef518 100644
--- a/src/core/hle/service/nfp/nfp_user.cpp
+++ b/src/core/hle/service/nfp/nfp_user.cpp
@@ -6,12 +6,9 @@
 
 #include "common/logging/log.h"
 #include "core/core.h"
-#include "core/hid/emulated_controller.h"
-#include "core/hid/hid_core.h"
 #include "core/hid/hid_types.h"
 #include "core/hle/ipc_helpers.h"
 #include "core/hle/kernel/k_event.h"
-#include "core/hle/service/mii/mii_manager.h"
 #include "core/hle/service/nfp/nfp_device.h"
 #include "core/hle/service/nfp/nfp_result.h"
 #include "core/hle/service/nfp/nfp_user.h"
diff --git a/src/core/hle/service/nfp/nfp_user.h b/src/core/hle/service/nfp/nfp_user.h
index 68c60ae82..47aff3695 100644
--- a/src/core/hle/service/nfp/nfp_user.h
+++ b/src/core/hle/service/nfp/nfp_user.h
@@ -4,8 +4,7 @@
 #pragma once
 
 #include "core/hle/service/kernel_helpers.h"
-#include "core/hle/service/nfp/nfp.h"
-#include "core/hle/service/nfp/nfp_types.h"
+#include "core/hle/service/service.h"
 
 namespace Service::NFP {
 class NfpDevice;
@@ -15,6 +14,11 @@ public:
     explicit IUser(Core::System& system_);
 
 private:
+    enum class State : u32 {
+        NonInitialized,
+        Initialized,
+    };
+
     void Initialize(Kernel::HLERequestContext& ctx);
     void Finalize(Kernel::HLERequestContext& ctx);
     void ListDevices(Kernel::HLERequestContext& ctx);
diff --git a/src/input_common/drivers/gc_adapter.cpp b/src/input_common/drivers/gc_adapter.cpp
index f4dd24e7d..826fa2109 100644
--- a/src/input_common/drivers/gc_adapter.cpp
+++ b/src/input_common/drivers/gc_adapter.cpp
@@ -324,7 +324,7 @@ bool GCAdapter::GetGCEndpoint(libusb_device* device) {
     return true;
 }
 
-Common::Input::VibrationError GCAdapter::SetRumble(
+Common::Input::VibrationError GCAdapter::SetVibration(
     const PadIdentifier& identifier, const Common::Input::VibrationStatus& vibration) {
     const auto mean_amplitude = (vibration.low_amplitude + vibration.high_amplitude) * 0.5f;
     const auto processed_amplitude =
@@ -338,6 +338,10 @@ Common::Input::VibrationError GCAdapter::SetRumble(
     return Common::Input::VibrationError::None;
 }
 
+bool GCAdapter::IsVibrationEnabled([[maybe_unused]] const PadIdentifier& identifier) {
+    return rumble_enabled;
+}
+
 void GCAdapter::UpdateVibrations() {
     // Use 8 states to keep the switching between on/off fast enough for
     // a human to feel different vibration strenght
diff --git a/src/input_common/drivers/gc_adapter.h b/src/input_common/drivers/gc_adapter.h
index 8682da847..7f81767f7 100644
--- a/src/input_common/drivers/gc_adapter.h
+++ b/src/input_common/drivers/gc_adapter.h
@@ -25,9 +25,11 @@ public:
     explicit GCAdapter(std::string input_engine_);
     ~GCAdapter() override;
 
-    Common::Input::VibrationError SetRumble(
+    Common::Input::VibrationError SetVibration(
         const PadIdentifier& identifier, const Common::Input::VibrationStatus& vibration) override;
 
+    bool IsVibrationEnabled(const PadIdentifier& identifier) override;
+
     /// Used for automapping features
     std::vector<Common::ParamPackage> GetInputDevices() const override;
     ButtonMapping GetButtonMappingForDevice(const Common::ParamPackage& params) override;
diff --git a/src/input_common/drivers/sdl_driver.cpp b/src/input_common/drivers/sdl_driver.cpp
index c175a8853..45ce588f0 100644
--- a/src/input_common/drivers/sdl_driver.cpp
+++ b/src/input_common/drivers/sdl_driver.cpp
@@ -114,6 +114,20 @@ public:
         }
         return false;
     }
+
+    void EnableVibration(bool is_enabled) {
+        has_vibration = is_enabled;
+        is_vibration_tested = true;
+    }
+
+    bool HasVibration() const {
+        return has_vibration;
+    }
+
+    bool IsVibrationTested() const {
+        return is_vibration_tested;
+    }
+
     /**
      * The Pad identifier of the joystick
      */
@@ -236,6 +250,8 @@ private:
     u64 last_motion_update{};
     bool has_gyro{false};
     bool has_accel{false};
+    bool has_vibration{false};
+    bool is_vibration_tested{false};
     BasicMotion motion;
 };
 
@@ -517,7 +533,7 @@ std::vector<Common::ParamPackage> SDLDriver::GetInputDevices() const {
     return devices;
 }
 
-Common::Input::VibrationError SDLDriver::SetRumble(
+Common::Input::VibrationError SDLDriver::SetVibration(
     const PadIdentifier& identifier, const Common::Input::VibrationStatus& vibration) {
     const auto joystick =
         GetSDLJoystickByGUID(identifier.guid.RawString(), static_cast<int>(identifier.port));
@@ -546,13 +562,6 @@ Common::Input::VibrationError SDLDriver::SetRumble(
         .type = Common::Input::VibrationAmplificationType::Exponential,
     };
 
-    if (vibration.type == Common::Input::VibrationAmplificationType::Test) {
-        if (!joystick->RumblePlay(new_vibration)) {
-            return Common::Input::VibrationError::Unknown;
-        }
-        return Common::Input::VibrationError::None;
-    }
-
     vibration_queue.Push(VibrationRequest{
         .identifier = identifier,
         .vibration = new_vibration,
@@ -561,6 +570,45 @@ Common::Input::VibrationError SDLDriver::SetRumble(
     return Common::Input::VibrationError::None;
 }
 
+bool SDLDriver::IsVibrationEnabled(const PadIdentifier& identifier) {
+    const auto joystick =
+        GetSDLJoystickByGUID(identifier.guid.RawString(), static_cast<int>(identifier.port));
+
+    constexpr Common::Input::VibrationStatus test_vibration{
+        .low_amplitude = 1,
+        .low_frequency = 160.0f,
+        .high_amplitude = 1,
+        .high_frequency = 320.0f,
+        .type = Common::Input::VibrationAmplificationType::Exponential,
+    };
+
+    constexpr Common::Input::VibrationStatus zero_vibration{
+        .low_amplitude = 0,
+        .low_frequency = 160.0f,
+        .high_amplitude = 0,
+        .high_frequency = 320.0f,
+        .type = Common::Input::VibrationAmplificationType::Exponential,
+    };
+
+    if (joystick->IsVibrationTested()) {
+        return joystick->HasVibration();
+    }
+
+    // First vibration might fail
+    joystick->RumblePlay(test_vibration);
+
+    // Wait for about 15ms to ensure the controller is ready for the stop command
+    std::this_thread::sleep_for(std::chrono::milliseconds(15));
+
+    if (!joystick->RumblePlay(zero_vibration)) {
+        joystick->EnableVibration(false);
+        return false;
+    }
+
+    joystick->EnableVibration(true);
+    return true;
+}
+
 void SDLDriver::SendVibrations() {
     while (!vibration_queue.Empty()) {
         VibrationRequest request;
diff --git a/src/input_common/drivers/sdl_driver.h b/src/input_common/drivers/sdl_driver.h
index fc3a44572..d1b4471cf 100644
--- a/src/input_common/drivers/sdl_driver.h
+++ b/src/input_common/drivers/sdl_driver.h
@@ -61,9 +61,11 @@ public:
 
     bool IsStickInverted(const Common::ParamPackage& params) override;
 
-    Common::Input::VibrationError SetRumble(
+    Common::Input::VibrationError SetVibration(
         const PadIdentifier& identifier, const Common::Input::VibrationStatus& vibration) override;
 
+    bool IsVibrationEnabled(const PadIdentifier& identifier) override;
+
 private:
     struct VibrationRequest {
         PadIdentifier identifier;
diff --git a/src/input_common/input_engine.h b/src/input_common/input_engine.h
index cfbdb26bd..d4c264a8e 100644
--- a/src/input_common/input_engine.h
+++ b/src/input_common/input_engine.h
@@ -108,12 +108,17 @@ public:
                          [[maybe_unused]] const Common::Input::LedStatus& led_status) {}
 
     // Sets rumble to a controller
-    virtual Common::Input::VibrationError SetRumble(
+    virtual Common::Input::VibrationError SetVibration(
         [[maybe_unused]] const PadIdentifier& identifier,
         [[maybe_unused]] const Common::Input::VibrationStatus& vibration) {
         return Common::Input::VibrationError::NotSupported;
     }
 
+    // Returns true if device supports vibrations
+    virtual bool IsVibrationEnabled([[maybe_unused]] const PadIdentifier& identifier) {
+        return false;
+    }
+
     // Sets polling mode to a controller
     virtual Common::Input::PollingError SetPollingMode(
         [[maybe_unused]] const PadIdentifier& identifier,
diff --git a/src/input_common/input_poller.cpp b/src/input_common/input_poller.cpp
index ccc3076ca..4ac182147 100644
--- a/src/input_common/input_poller.cpp
+++ b/src/input_common/input_poller.cpp
@@ -763,7 +763,11 @@ public:
 
     Common::Input::VibrationError SetVibration(
         const Common::Input::VibrationStatus& vibration_status) override {
-        return input_engine->SetRumble(identifier, vibration_status);
+        return input_engine->SetVibration(identifier, vibration_status);
+    }
+
+    bool IsVibrationEnabled() override {
+        return input_engine->IsVibrationEnabled(identifier);
     }
 
     Common::Input::PollingError SetPollingMode(Common::Input::PollingMode polling_mode) override {
diff --git a/src/shader_recompiler/frontend/ir/microinstruction.cpp b/src/shader_recompiler/frontend/ir/microinstruction.cpp
index 468782eb1..84417980b 100644
--- a/src/shader_recompiler/frontend/ir/microinstruction.cpp
+++ b/src/shader_recompiler/frontend/ir/microinstruction.cpp
@@ -325,11 +325,6 @@ void Inst::AddPhiOperand(Block* predecessor, const Value& value) {
     phi_args.emplace_back(predecessor, value);
 }
 
-void Inst::ErasePhiOperand(size_t index) {
-    const auto operand_it{phi_args.begin() + static_cast<ptrdiff_t>(index)};
-    phi_args.erase(operand_it);
-}
-
 void Inst::OrderPhiArgs() {
     if (op != Opcode::Phi) {
         throw LogicError("{} is not a Phi instruction", op);
diff --git a/src/shader_recompiler/frontend/ir/value.h b/src/shader_recompiler/frontend/ir/value.h
index 1a2e4ccb6..6a673ca05 100644
--- a/src/shader_recompiler/frontend/ir/value.h
+++ b/src/shader_recompiler/frontend/ir/value.h
@@ -178,13 +178,9 @@ public:
 
     /// Get a pointer to the block of a phi argument.
     [[nodiscard]] Block* PhiBlock(size_t index) const;
-
     /// Add phi operand to a phi instruction.
     void AddPhiOperand(Block* predecessor, const Value& value);
 
-    // Erase the phi operand at the given index.
-    void ErasePhiOperand(size_t index);
-
     /// Orders the Phi arguments from farthest away to nearest.
     void OrderPhiArgs();
 
diff --git a/src/shader_recompiler/ir_opt/dead_code_elimination_pass.cpp b/src/shader_recompiler/ir_opt/dead_code_elimination_pass.cpp
index 9a7d47344..1bd8afd6f 100644
--- a/src/shader_recompiler/ir_opt/dead_code_elimination_pass.cpp
+++ b/src/shader_recompiler/ir_opt/dead_code_elimination_pass.cpp
@@ -1,104 +1,24 @@
 // SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#include <algorithm>
-
-#include <boost/container/small_vector.hpp>
-
 #include "shader_recompiler/frontend/ir/basic_block.h"
 #include "shader_recompiler/frontend/ir/value.h"
 #include "shader_recompiler/ir_opt/passes.h"
 
 namespace Shader::Optimization {
-namespace {
-template <bool TEST_USES>
-void DeadInstElimination(IR::Block* const block) {
+
+void DeadCodeEliminationPass(IR::Program& program) {
     // We iterate over the instructions in reverse order.
     // This is because removing an instruction reduces the number of uses for earlier instructions.
-    auto it{block->end()};
-    while (it != block->begin()) {
-        --it;
-        if constexpr (TEST_USES) {
-            if (it->HasUses() || it->MayHaveSideEffects()) {
-                continue;
-            }
-        }
-        it->Invalidate();
-        it = block->Instructions().erase(it);
-    }
-}
-
-void DeletedPhiArgElimination(IR::Program& program, std::span<const IR::Block*> dead_blocks) {
-    for (IR::Block* const block : program.blocks) {
-        for (IR::Inst& phi : *block) {
-            if (!IR::IsPhi(phi)) {
-                continue;
-            }
-            for (size_t i = 0; i < phi.NumArgs(); ++i) {
-                if (std::ranges::find(dead_blocks, phi.PhiBlock(i)) == dead_blocks.end()) {
-                    continue;
-                }
-                // Phi operand at this index is an unreachable block
-                phi.ErasePhiOperand(i);
-                --i;
-            }
-        }
-    }
-}
-
-void DeadBranchElimination(IR::Program& program) {
-    boost::container::small_vector<const IR::Block*, 3> dead_blocks;
-    const auto begin_it{program.syntax_list.begin()};
-    for (auto node_it = begin_it; node_it != program.syntax_list.end(); ++node_it) {
-        if (node_it->type != IR::AbstractSyntaxNode::Type::If) {
-            continue;
-        }
-        IR::Inst* const cond_ref{node_it->data.if_node.cond.Inst()};
-        const IR::U1 cond{cond_ref->Arg(0)};
-        if (!cond.IsImmediate()) {
-            continue;
-        }
-        if (cond.U1()) {
-            continue;
-        }
-        // False immediate condition. Remove condition ref, erase the entire branch.
-        cond_ref->Invalidate();
-        // Account for nested if-statements within the if(false) branch
-        u32 nested_ifs{1u};
-        while (node_it->type != IR::AbstractSyntaxNode::Type::EndIf || nested_ifs > 0) {
-            node_it = program.syntax_list.erase(node_it);
-            switch (node_it->type) {
-            case IR::AbstractSyntaxNode::Type::If:
-                ++nested_ifs;
-                break;
-            case IR::AbstractSyntaxNode::Type::EndIf:
-                --nested_ifs;
-                break;
-            case IR::AbstractSyntaxNode::Type::Block: {
-                IR::Block* const block{node_it->data.block};
-                DeadInstElimination<false>(block);
-                dead_blocks.push_back(block);
-                break;
-            }
-            default:
-                break;
+    for (IR::Block* const block : program.post_order_blocks) {
+        auto it{block->end()};
+        while (it != block->begin()) {
+            --it;
+            if (!it->HasUses() && !it->MayHaveSideEffects()) {
+                it->Invalidate();
+                it = block->Instructions().erase(it);
             }
         }
-        // Erase EndIf node of the if(false) branch
-        node_it = program.syntax_list.erase(node_it);
-        // Account for loop increment
-        --node_it;
-    }
-    if (!dead_blocks.empty()) {
-        DeletedPhiArgElimination(program, std::span(dead_blocks.data(), dead_blocks.size()));
-    }
-}
-} // namespace
-
-void DeadCodeEliminationPass(IR::Program& program) {
-    DeadBranchElimination(program);
-    for (IR::Block* const block : program.post_order_blocks) {
-        DeadInstElimination<true>(block);
     }
 }
 
diff --git a/src/tests/video_core/buffer_base.cpp b/src/tests/video_core/buffer_base.cpp
index 71121e42a..f7236afab 100644
--- a/src/tests/video_core/buffer_base.cpp
+++ b/src/tests/video_core/buffer_base.cpp
@@ -44,7 +44,7 @@ public:
 
     [[nodiscard]] unsigned Count() const noexcept {
         unsigned count = 0;
-        for (const auto [index, value] : page_table) {
+        for (const auto& [index, value] : page_table) {
             count += value;
         }
         return count;