Lei Zhang b30d87a90b [mlir][spirv] Add basic definitions for supporting availability ... SPIR-V has a few mechanisms to control op availability: version, extension, and capabilities. These mechanisms are considered as different availability classes. This commit introduces basic definitions for modelling SPIR-V availability classes. Specifically, an `Availability` class is added to SPIRVBase.td, along with two subclasses: MinVersion and MaxVersion for versioning. SPV_Op is extended to take a list of `Availability`. Each `Availability` instance carries information for generating op interfaces for the corresponding availability class and also the concrete availability requirements. With the availability spec on ops, we can now auto-generate the op interfaces of all SPIR-V availability classes and also synthesize the op's implementations of these interfaces. The interface generation is done via new TableGen backends -gen-avail-interface-{decls|defs}. The op's implementation is done via -gen-spirv-avail-impls. Differential Revision: https://reviews.llvm.org/D71930		2019-12-27 16:25:09 -05:00
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CMakeLists.txt	[mlir][spirv] Add basic definitions for supporting availability	2019-12-27 16:25:09 -05:00
mlir-opt.cpp	Adjust License.txt file to use the LLVM license	2019-12-23 15:33:37 -08:00