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numnewbits
2019 Jan 07
2
GlobalISel legalization artifact legalization
...range type source, assuming the extra high bits over the LLT type are undefined or appropriately extended?
For vectors, is any arbitrary vector only supposed to be legalized to a certain number of elements, and the target is supposed to treat this as N registers with possibly undefined high bits in NumRegBits - TypeScalarSize?
Should the legalizer for some of these operations really be triggering legalization of the def instruction of the input instead?
-Matt
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