http://llvm.org/bugs/show_bug.cgi?id=14094

             Bug #: 14094
           Summary: immediate in DecodeThumbAddSPImm has to left shift 2
                    bits
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: Windows NT
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Backend: ARM
        AssignedTo: [email protected]
        ReportedBy: [email protected]
                CC: [email protected]
    Classification: Unclassified


According to ARMv7 document in encoding T2 of SUB (SP minus immediate) section

imm32 = ZeroExtend(imm7:'00', 32);

so the parameter pass to MCOperand::CreateImm(imm) have to be "imm << 2"

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