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//===- TranslateClParser.h - Translations command line parser -------------===//
//
// Copyright 2019 The MLIR Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// =============================================================================
//
// This file contains custom command line parser for translations.
//
//===----------------------------------------------------------------------===//
#include "mlir/Support/TranslateClParser.h"
#include "mlir/Analysis/Verifier.h"
#include "mlir/IR/MLIRContext.h"
#include "mlir/IR/Module.h"
#include "mlir/Parser.h"
#include "mlir/Support/FileUtilities.h"
#include "mlir/Support/LogicalResult.h"
#include "mlir/Translation.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/FileUtilities.h"
#include "llvm/Support/SourceMgr.h"
#include "llvm/Support/ToolOutputFile.h"
using namespace mlir;
// Storage for the translation function wrappers that survive the parser.
static llvm::SmallVector<TranslateFunction, 16> wrapperStorage;
static LogicalResult printMLIROutput(ModuleOp module,
llvm::StringRef outputFilename) {
if (failed(verify(module)))
return failure();
auto file = openOutputFile(outputFilename);
if (!file)
return failure();
module.print(file->os());
file->keep();
return success();
}
TranslationParser::TranslationParser(llvm::cl::Option &opt)
: llvm::cl::parser<const TranslateFunction *>(opt) {
const auto &toMLIRRegistry = getTranslationToMLIRRegistry();
const auto &fromMLIRRegistry = getTranslationFromMLIRRegistry();
// Reserve the required capacity upfront so that pointers are not
// invalidated on reallocation.
wrapperStorage.reserve(toMLIRRegistry.size() + fromMLIRRegistry.size());
for (const auto &kv : toMLIRRegistry) {
TranslateToMLIRFunction function = kv.second;
TranslateFunction wrapper = [function](StringRef inputFilename,
StringRef outputFilename,
MLIRContext *context) {
OwningModuleRef module = function(inputFilename, context);
if (!module)
return failure();
return printMLIROutput(*module, outputFilename);
};
wrapperStorage.emplace_back(std::move(wrapper));
addLiteralOption(kv.first(), &wrapperStorage.back(), kv.first());
}
for (const auto &kv : fromMLIRRegistry) {
TranslateFromMLIRFunction function = kv.second;
TranslateFunction wrapper = [function](StringRef inputFilename,
StringRef outputFilename,
MLIRContext *context) {
llvm::SourceMgr sourceMgr;
SourceMgrDiagnosticHandler sourceMgrHandler(sourceMgr, context);
auto module =
OwningModuleRef(parseSourceFile(inputFilename, sourceMgr, context));
if (!module)
return failure();
return function(module.get(), outputFilename);
};
wrapperStorage.emplace_back(std::move(wrapper));
addLiteralOption(kv.first(), &wrapperStorage.back(), kv.first());
}
}
void TranslationParser::printOptionInfo(const llvm::cl::Option &O,
size_t GlobalWidth) const {
TranslationParser *TP = const_cast<TranslationParser *>(this);
llvm::array_pod_sort(TP->Values.begin(), TP->Values.end(),
[](const TranslationParser::OptionInfo *VT1,
const TranslationParser::OptionInfo *VT2) {
return VT1->Name.compare(VT2->Name);
});
using llvm::cl::parser;
parser<const TranslateFunction *>::printOptionInfo(O, GlobalWidth);
}
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