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308571074c
This is an artifact from merging MLIR into LLVM, the file headers are now aligned with the rest of the project.
84 lines
3.0 KiB
C++
84 lines
3.0 KiB
C++
//===- mlir-tblgen.cpp - Top-Level TableGen implementation for MLIR -------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains the main function for MLIR's TableGen.
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//
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//===----------------------------------------------------------------------===//
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#include "mlir/TableGen/GenInfo.h"
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#include "mlir/TableGen/GenNameParser.h"
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#include "llvm/ADT/StringExtras.h"
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#include "llvm/Support/CommandLine.h"
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#include "llvm/Support/FormatVariadic.h"
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#include "llvm/Support/InitLLVM.h"
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#include "llvm/Support/ManagedStatic.h"
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#include "llvm/Support/Signals.h"
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#include "llvm/TableGen/Error.h"
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#include "llvm/TableGen/Main.h"
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#include "llvm/TableGen/Record.h"
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#include "llvm/TableGen/TableGenBackend.h"
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using namespace llvm;
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using namespace mlir;
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static llvm::ManagedStatic<std::vector<GenInfo>> generatorRegistry;
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mlir::GenRegistration::GenRegistration(StringRef arg, StringRef description,
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GenFunction function) {
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generatorRegistry->emplace_back(arg, description, function);
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}
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GenNameParser::GenNameParser(llvm::cl::Option &opt)
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: llvm::cl::parser<const GenInfo *>(opt) {
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for (const auto &kv : *generatorRegistry) {
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addLiteralOption(kv.getGenArgument(), &kv, kv.getGenDescription());
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}
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}
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void GenNameParser::printOptionInfo(const llvm::cl::Option &O,
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size_t GlobalWidth) const {
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GenNameParser *TP = const_cast<GenNameParser *>(this);
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llvm::array_pod_sort(TP->Values.begin(), TP->Values.end(),
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[](const GenNameParser::OptionInfo *VT1,
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const GenNameParser::OptionInfo *VT2) {
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return VT1->Name.compare(VT2->Name);
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});
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using llvm::cl::parser;
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parser<const GenInfo *>::printOptionInfo(O, GlobalWidth);
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}
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// Generator that prints records.
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GenRegistration printRecords("print-records", "Print all records to stdout",
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[](const RecordKeeper &records, raw_ostream &os) {
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os << records;
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return false;
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});
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// Generator to invoke.
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const mlir::GenInfo *generator;
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// TableGenMain requires a function pointer so this function is passed in which
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// simply wraps the call to the generator.
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static bool MlirTableGenMain(raw_ostream &os, RecordKeeper &records) {
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if (!generator) {
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os << records;
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return false;
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}
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return generator->invoke(records, os);
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}
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int main(int argc, char **argv) {
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llvm::InitLLVM y(argc, argv);
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llvm::cl::opt<const mlir::GenInfo *, false, mlir::GenNameParser> generator(
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"", llvm::cl::desc("Generator to run"));
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cl::ParseCommandLineOptions(argc, argv);
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::generator = generator.getValue();
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return TableGenMain(argv[0], &MlirTableGenMain);
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}
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