[Feat] Uniformity analysis for SPIR-V #460
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…is isn't documented)
wingertge
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Adds a new uniformity analysis for the SPIR-V backend, and applies the
Uniformdecoration to all outputs that are plane uniform. This can potentially allow more optimizations to be applied by the driver, especially in cases where we know a variable is uniform but the lower level driver wouldn't.Testing
All tests pass