Function LLVMGetAlignment 

pub unsafe extern "C" fn LLVMGetAlignment(V: LLVMValueRef) -> c_uint

Obtain the preferred alignment of the value. @see llvm::AllocaInst::getAlignment() @see llvm::LoadInst::getAlignment() @see llvm::StoreInst::getAlignment() @see llvm::AtomicRMWInst::setAlignment() @see llvm::AtomicCmpXchgInst::setAlignment() @see llvm::GlobalValue::getAlignment()