llvm/libclc/generic/include/clc/atomic/atomic_decl.inc

#define __CLC_DECLARE_ATOMIC(ADDRSPACE, TYPE) \
	_CLC_OVERLOAD _CLC_DECL TYPE __CLC_FUNCTION (volatile ADDRSPACE TYPE *, TYPE);

#define __CLC_DECLARE_ATOMIC_ADDRSPACE(TYPE) \
	__CLC_DECLARE_ATOMIC(global, TYPE) \
	__CLC_DECLARE_ATOMIC(local, TYPE)

__CLC_DECLARE_ATOMIC_ADDRSPACE(int)
__CLC_DECLARE_ATOMIC_ADDRSPACE(uint)

#undef __CLC_DECLARE_ATOMIC_ADDRSPACE
#undef __CLC_DECLARE_ATOMIC

#undef __CLC_FUNCTION