[llvm-dev] increment in tablegen

[hameeza ahmed via llvm-dev]

i have loop index I. I want to increment it by 1. How to do this in
registerinfo.td. I m trying following but getting error.

let SubRegIndices = [sub_32bit, sub_32bit_hi], CoveredBySubRegs = 1 in {
foreach I = 0-255 in
     {   m=add(I,1);
def R_#J#_REG64b_#I : R_P<"R_"#J#"_R64b_"#I, !shl(I,2),
[!cast<R_P>("R_"#J#"_REG32b_"#I), !cast<R_PIM>("R_"#J#"_REG32b_"#m)]>;

}
}

please help. how to increment I (add+1 in I).


Thank You
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