[dynarmic] add safe-opt to skip IR verification (#2613)

Most programs are well behaved and don't cause internal IR issues. Hence, verification can be safely skipped.

Signed-off-by: lizzie <lizzie@eden-emu.dev>

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/2613
Reviewed-by: MaranBr <maranbr@eden-emu.dev>
Co-authored-by: lizzie <lizzie@eden-emu.dev>
Co-committed-by: lizzie <lizzie@eden-emu.dev>

src/dynarmic/src/dynarmic/interface/optimization_flags.h

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 /* This file is part of the dynarmic project.
  * Copyright (c) 2020 MerryMage
  * SPDX-License-Identifier: 0BSD
@@ -34,6 +37,8 @@ enum class OptimizationFlag : std::uint32_t {
     MiscIROpt = 0x00000020,
     /// Optimize for code speed rather than for code size (this serves well for tight loops)
     CodeSpeed = 0x00000040,
+    /// Disable verification passes
+    DisableVerification = 0x00000080,
 
     /// This is an UNSAFE optimization that reduces accuracy of fused multiply-add operations.
     /// This unfuses fused instructions to improve performance on host CPUs without FMA support.

src/dynarmic/src/dynarmic/ir/opt_passes.cpp

@@ -1491,9 +1491,9 @@ void Optimize(IR::Block& block, const A32::UserConfig& conf, const Optimization:
         Optimization::DeadCodeElimination(block);
     }
     Optimization::IdentityRemovalPass(block);
-    //if (!conf.HasOptimization(OptimizationFlag::DisableVerification)) {
+    if (!conf.HasOptimization(OptimizationFlag::DisableVerification)) {
         Optimization::VerificationPass(block);
-    //}
+    }
 }
 
 void Optimize(IR::Block& block, const A64::UserConfig& conf, const Optimization::PolyfillOptions& polyfill_options) {
@@ -1511,9 +1511,9 @@ void Optimize(IR::Block& block, const A64::UserConfig& conf, const Optimization:
     if (conf.HasOptimization(OptimizationFlag::MiscIROpt)) [[likely]] {
         Optimization::A64MergeInterpretBlocksPass(block, conf.callbacks);
     }
-    //if (!conf.HasOptimization(OptimizationFlag::DisableVerification)) {
+    if (!conf.HasOptimization(OptimizationFlag::DisableVerification)) {
         Optimization::VerificationPass(block);
-    //}
+    }
 }
 
 }  // namespace Dynarmic::Optimization