Jesse Natalie
75e1407116
For ALU ops where input types are known, we can store that info on the input sources. This can be used to produce the correct overloads of load instructions that don't immediately need to be followed by bitcasts, or similarly to produce a constant value which can be directly consumed by the relevant instruction without needing a bitcast. Similarly for values that will be stored in an output, we know type information. And using that info, we can use more-correct information for phis instead of forcing all phi sources to be bitcast to int just to be bitcast back to float on the other side for an alu or an output store. One missing piece is SSBO stores, where we can support int or float. If the input is coming from a phi, we don't influence the phi's type, so it'll be int, even though the incoming sources might've been float. Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22972>
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