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[aievec] MLIR->LLVM flow for float inverse #1697

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aidansander
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Adds a conversion pattern similar to ComputeInvOpByLUTPattern, but targeting the LLVMIR backend.


auto constOp = divOp.getLhs().getDefiningOp<arith::ConstantOp>();
if (!constOp ||
cast<FloatAttr>(constOp.getValue()).getValue().convertToDouble() !=
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just curious, does this FloatAttr floating point comparison include a built-in epsilon for err?

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It is a comparison is between double values, not FloatAttr objects. FloatAttr::getValue() returns an APFloat, and APFloat::convertToDouble() returns a double. So, no epsilon.

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