b/h/w/k/q inline asm memory modifiers, which are just ignored. This fixes PR1748 and CodeGen/X86/2007-10-28-inlineasm-q-modifier.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43430 91177308-0d34-0410-b5e6-96231b3b80d8