<div dir="ltr"><div dir="ltr"><div dir="ltr"><div>I may add that MLIR is doing the same thing as clang, reusing the TableGen language without the LLVM specific backends.</div>We have quite a few generator, from the mlir-tblgen --help output:</div><div dir="ltr"><br></div><div dir="ltr"><div dir="ltr"> Generator to run</div><div dir="ltr"> --gen-attr-interface-decls - Generate interface declarations</div><div dir="ltr"> --gen-attr-interface-defs - Generate interface definitions</div><div dir="ltr"> --gen-attr-interface-docs - Generate interface documentation</div><div dir="ltr"> --gen-avail-interface-decls - Generate availability interface declarations</div><div dir="ltr"> --gen-avail-interface-defs - Generate op interface definitions</div><div dir="ltr"> --gen-dialect-decls - Generate dialect declarations</div><div dir="ltr"> --gen-dialect-doc - Generate dialect documentation</div><div dir="ltr"> --gen-enum-decls - Generate enum utility declarations</div><div dir="ltr"> --gen-enum-defs - Generate enum utility definitions</div><div dir="ltr"> --gen-enum-from-llvmir-conversions - Generate conversions of EnumAttrs from LLVM IR</div><div dir="ltr"> --gen-enum-to-llvmir-conversions - Generate conversions of EnumAttrs to LLVM IR</div><div dir="ltr"> --gen-llvmir-conversions - Generate LLVM IR conversions</div><div dir="ltr"> --gen-llvmir-intrinsics - Generate LLVM IR intrinsics</div><div dir="ltr"> --gen-op-decls - Generate op declarations</div><div dir="ltr"> --gen-op-defs - Generate op definitions</div><div dir="ltr"> --gen-op-doc - Generate dialect documentation</div><div dir="ltr"> --gen-op-interface-decls - Generate interface declarations</div><div dir="ltr"> --gen-op-interface-defs - Generate interface definitions</div><div dir="ltr"> --gen-op-interface-docs - Generate interface documentation</div><div dir="ltr"> --gen-pass-decls - Generate operation documentation</div><div dir="ltr"> --gen-pass-doc - Generate pass documentation</div><div dir="ltr"> --gen-rewriters - Generate pattern rewriters</div><div dir="ltr"> --gen-spirv-avail-impls - Generate SPIR-V operation utility definitions</div><div dir="ltr"> --gen-spirv-capability-implication - Generate utility function to return implied capabilities for a given capability</div><div dir="ltr"> --gen-spirv-enum-avail-decls - Generate SPIR-V enum availability declarations</div><div dir="ltr"> --gen-spirv-enum-avail-defs - Generate SPIR-V enum availability definitions</div><div dir="ltr"> --gen-spirv-op-utils - Generate SPIR-V operation utility definitions</div><div dir="ltr"> --gen-spirv-serialization - Generate SPIR-V (de)serialization utilities and functions</div><div dir="ltr"> --gen-struct-attr-decls - Generate struct utility declarations</div><div dir="ltr"> --gen-struct-attr-defs - Generate struct utility definitions</div><div dir="ltr"> --gen-type-interface-decls - Generate interface declarations</div><div dir="ltr"> --gen-type-interface-defs - Generate interface definitions</div><div dir="ltr"> --gen-type-interface-docs - Generate interface documentation</div><div><br></div><div>-- </div><div>Mehdi</div><div><br></div></div><div dir="ltr"><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Aug 4, 2020 at 11:43 AM Craig Topper via llvm-dev <<a href="mailto:llvm-dev@lists.llvm.org">llvm-dev@lists.llvm.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex"><div dir="ltr">There is also clang/utils/TableGen which contains the clang tablegen backends.The build produces an llvm-tblgen from llvm/utils/TableGen and clang-tblgen from clang/utils/TableGen<div><br></div><div><div><div dir="ltr">~Craig</div></div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Aug 4, 2020 at 11:41 AM Charlotte Delenk via llvm-dev <<a href="mailto:llvm-dev@lists.llvm.org" target="_blank">llvm-dev@lists.llvm.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex"><br>
On 8/4/20 7:31 PM, Paul C. Anagnostopoulos via llvm-dev wrote:<br>
> I was confused by the lack of TableGen backends in the llvm/lib/tablegen directory until I stumbled upon the llvm/utils/tablegen directory. Could someone explain why TableGen is divided into these two directories?<br>
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I am assuming the TableGen code is split like this so that external <br>
tools can utilize the TableGen parser without all of the specific logic <br>
in the LLVM tablegen binary. I can't find any application that uses it <br>
though aside from tablegen proper.<br>
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