Detect unused ops #56
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To address #50 I will also add checks to verify if the |
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If an operand is missing in the
insfield the tablegen backend will fail. Let's avoid this kind of errors by not generating a Pattern in this case.This can patten when using
--no-extendwhich leads to most operands being optimized away. The generated pattern(GPR:$rs1)would be invalid anyway, so we should not generate it.