-namespace llvm {
- class MemoryBuffer;
- class PassManagerBase;
-
- #define DEFINE_SIMPLE_CONVERSION_FUNCTIONS(ty, ref) \
- inline ty *unwrap(ref P) { \
- return reinterpret_cast<ty*>(P); \
- } \
- \
- inline ref wrap(const ty *P) { \
- return reinterpret_cast<ref>(const_cast<ty*>(P)); \
- }
-
- #define DEFINE_ISA_CONVERSION_FUNCTIONS(ty, ref) \
- DEFINE_SIMPLE_CONVERSION_FUNCTIONS(ty, ref) \
- \
- template<typename T> \
- inline T *unwrap(ref P) { \
- return cast<T>(unwrap(P)); \
- }
-
- #define DEFINE_STDCXX_CONVERSION_FUNCTIONS(ty, ref) \
- DEFINE_SIMPLE_CONVERSION_FUNCTIONS(ty, ref) \
- \
- template<typename T> \
- inline T *unwrap(ref P) { \
- T *Q = (T*)unwrap(P); \
- assert(Q && "Invalid cast!"); \
- return Q; \
- }
-
- DEFINE_ISA_CONVERSION_FUNCTIONS (Type, LLVMTypeRef )
- DEFINE_ISA_CONVERSION_FUNCTIONS (Value, LLVMValueRef )
- DEFINE_SIMPLE_CONVERSION_FUNCTIONS(Module, LLVMModuleRef )
- DEFINE_SIMPLE_CONVERSION_FUNCTIONS(BasicBlock, LLVMBasicBlockRef )
- DEFINE_SIMPLE_CONVERSION_FUNCTIONS(IRBuilder<>, LLVMBuilderRef )
- DEFINE_SIMPLE_CONVERSION_FUNCTIONS(MemoryBuffer, LLVMMemoryBufferRef )
- DEFINE_SIMPLE_CONVERSION_FUNCTIONS(LLVMContext, LLVMContextRef )
- DEFINE_SIMPLE_CONVERSION_FUNCTIONS(Use, LLVMUseRef )
- DEFINE_STDCXX_CONVERSION_FUNCTIONS(PassManagerBase, LLVMPassManagerRef )
- DEFINE_STDCXX_CONVERSION_FUNCTIONS(PassRegistry, LLVMPassRegistryRef )
- /* LLVMModuleProviderRef exists for historical reasons, but now just holds a
- * Module.
- */
- inline Module *unwrap(LLVMModuleProviderRef MP) {
- return reinterpret_cast<Module*>(MP);
- }
-
- #undef DEFINE_STDCXX_CONVERSION_FUNCTIONS
- #undef DEFINE_ISA_CONVERSION_FUNCTIONS
- #undef DEFINE_SIMPLE_CONVERSION_FUNCTIONS
-
- /* Specialized opaque context conversions.
- */
- inline LLVMContext **unwrap(LLVMContextRef* Tys) {
- return reinterpret_cast<LLVMContext**>(Tys);
- }
-
- inline LLVMContextRef *wrap(const LLVMContext **Tys) {
- return reinterpret_cast<LLVMContextRef*>(const_cast<LLVMContext**>(Tys));
- }
-
- /* Specialized opaque type conversions.
- */
- inline Type **unwrap(LLVMTypeRef* Tys) {
- return reinterpret_cast<Type**>(Tys);
- }
-
- inline LLVMTypeRef *wrap(Type **Tys) {
- return reinterpret_cast<LLVMTypeRef*>(const_cast<Type**>(Tys));
- }
-
- /* Specialized opaque value conversions.
- */
- inline Value **unwrap(LLVMValueRef *Vals) {
- return reinterpret_cast<Value**>(Vals);
- }
-
- template<typename T>
- inline T **unwrap(LLVMValueRef *Vals, unsigned Length) {
- #if DEBUG
- for (LLVMValueRef *I = Vals, *E = Vals + Length; I != E; ++I)
- cast<T>(*I);
- #endif
- (void)Length;
- return reinterpret_cast<T**>(Vals);
- }
-
- inline LLVMValueRef *wrap(const Value **Vals) {
- return reinterpret_cast<LLVMValueRef*>(const_cast<Value**>(Vals));
- }
-}
+/** Allocate and initialize structures needed to make LLVM safe for
+ multithreading. The return value indicates whether multithreaded
+ initialization succeeded. Must be executed in isolation from all
+ other LLVM api calls.
+ @see llvm::llvm_start_multithreaded */
+LLVMBool LLVMStartMultithreaded(void);
+
+/** Deallocate structures necessary to make LLVM safe for multithreading.
+ Must be executed in isolation from all other LLVM api calls.
+ @see llvm::llvm_stop_multithreaded */
+void LLVMStopMultithreaded(void);
+
+/** Check whether LLVM is executing in thread-safe mode or not.
+ @see llvm::llvm_is_multithreaded */
+LLVMBool LLVMIsMultithreaded(void);
+
+/**
+ * @}
+ */