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2015 Jul 01
2
[LLVMdev] Match immediate value in tablegen
I was trying to do a pattern matching for a rd+imm instruction in my own backend. It looks something like: def: Pat<build_vector v2i16:$src1, v2i16:$src2, (OR (SLLI GPR: $src1,16), GPR:$src2>; OR takes two i32 in registers and SLLI takes one i32 in registers and an immediate. But the immediate '16' does not work here and I tried different ways. May I know if any of you have any idea