From aa841ac332195a58d58c556d7de182b5f7fce3e4 Mon Sep 17 00:00:00 2001
From: Elad <18193363+elad335@users.noreply.github.com>
Date: Fri, 3 Apr 2026 23:23:00 +0300
Subject: [PATCH] LLVM: Add source location for bitcast error

---
 Utilities/JIT.h                 | 4 ++++
 rpcs3/Emu/CPU/CPUTranslator.cpp | 4 ++--
 rpcs3/Emu/CPU/CPUTranslator.h   | 3 ++-
 3 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/Utilities/JIT.h b/Utilities/JIT.h
index 6dfa9e7cd0..86fc72ed55 100644
--- a/Utilities/JIT.h
+++ b/Utilities/JIT.h
@@ -493,6 +493,10 @@ inline FT build_function_asm(std::string_view name, F&& builder, ::jit_runtime*
 	return reinterpret_cast<FT>(uptr(result));
 }
 
+#if defined(__INTELLISENSE__) && !defined(LLVM_AVAILABLE)
+#define LLVM_AVAILABLE
+#endif
+
 #ifdef LLVM_AVAILABLE
 
 namespace llvm
diff --git a/rpcs3/Emu/CPU/CPUTranslator.cpp b/rpcs3/Emu/CPU/CPUTranslator.cpp
index 22413f62b8..6bd7924ea5 100644
--- a/rpcs3/Emu/CPU/CPUTranslator.cpp
+++ b/rpcs3/Emu/CPU/CPUTranslator.cpp
@@ -210,7 +210,7 @@ void cpu_translator::initialize(llvm::LLVMContext& context, llvm::ExecutionEngin
 #endif
 }
 
-llvm::Value* cpu_translator::bitcast(llvm::Value* val, llvm::Type* type) const
+llvm::Value* cpu_translator::bitcast(llvm::Value* val, llvm::Type* type, std::source_location src_loc) const
 {
 	uint s1 = type->getScalarSizeInBits();
 	uint s2 = val->getType()->getScalarSizeInBits();
@@ -222,7 +222,7 @@ llvm::Value* cpu_translator::bitcast(llvm::Value* val, llvm::Type* type) const
 
 	if (s1 != s2)
 	{
-		fmt::throw_exception("cpu_translator::bitcast(): incompatible type sizes (%u vs %u)", s1, s2);
+		fmt::throw_exception("cpu_translator::bitcast(): incompatible type sizes (%u vs %u)\nCalled from: %s", s1, s2, src_loc);
 	}
 
 	if (val->getType() == type)
diff --git a/rpcs3/Emu/CPU/CPUTranslator.h b/rpcs3/Emu/CPU/CPUTranslator.h
index 738932808d..ab2aed8156 100644
--- a/rpcs3/Emu/CPU/CPUTranslator.h
+++ b/rpcs3/Emu/CPU/CPUTranslator.h
@@ -43,6 +43,7 @@
 
 #include <functional>
 #include <unordered_map>
+#include <source_location>
 
 // Helper function
 llvm::Value* peek_through_bitcasts(llvm::Value*);
@@ -3239,7 +3240,7 @@ public:
 	}
 
 	// Bitcast with immediate constant folding
-	llvm::Value* bitcast(llvm::Value* val, llvm::Type* type) const;
+	llvm::Value* bitcast(llvm::Value* val, llvm::Type* type, std::source_location src_loc = std::source_location::current()) const;
 
 	template <typename T>
 	llvm::Value* bitcast(llvm::Value* val)