According to ARM assembler language hash symbol is optional before immediates. For example, see here for more details: http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0473j/dom1359731154529.html git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205157 91177308-0d34-0410-b5e6-96231b3b80d8