b991e8b1e4
Existing translations are either from MLIR or to MLIR. To support cases like round-tripping some external format via MLIR, one must chain two mlir-translate invocations together using pipes. This can be problematic to support -split-input-file in mlir-translate given that it won't work across pipes. Motivated by the above, this CL adds another translation category that allows file to file. This gives users more freedom. PiperOrigin-RevId: 269636438
107 lines
4.2 KiB
C++
107 lines
4.2 KiB
C++
//===- TranslateClParser.h - Translations command line parser -------------===//
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//
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// Copyright 2019 The MLIR Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// =============================================================================
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//
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// This file contains custom command line parser for translations.
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//
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//===----------------------------------------------------------------------===//
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#include "mlir/Support/TranslateClParser.h"
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#include "mlir/Analysis/Verifier.h"
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#include "mlir/IR/MLIRContext.h"
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#include "mlir/IR/Module.h"
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#include "mlir/Parser.h"
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#include "mlir/Support/LogicalResult.h"
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#include "mlir/Translation.h"
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#include "llvm/Support/CommandLine.h"
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#include "llvm/Support/FileUtilities.h"
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#include "llvm/Support/SourceMgr.h"
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#include "llvm/Support/ToolOutputFile.h"
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using namespace mlir;
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// Storage for the translation function wrappers that survive the parser.
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static llvm::SmallVector<TranslateFunction, 16> wrapperStorage;
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static LogicalResult printMLIROutput(ModuleOp module, llvm::raw_ostream &os) {
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if (failed(verify(module)))
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return failure();
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module.print(os);
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return success();
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}
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TranslationParser::TranslationParser(llvm::cl::Option &opt)
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: llvm::cl::parser<const TranslateFunction *>(opt) {
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const auto &toMLIRRegistry = getTranslationToMLIRRegistry();
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const auto &fromMLIRRegistry = getTranslationFromMLIRRegistry();
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const auto &fileToFileRegistry = getTranslationRegistry();
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// Reserve the required capacity upfront so that pointers are not
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// invalidated on reallocation.
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wrapperStorage.reserve(toMLIRRegistry.size() + fromMLIRRegistry.size() +
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fileToFileRegistry.size());
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for (const auto &kv : toMLIRRegistry) {
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TranslateToMLIRFunction function = kv.second;
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TranslateFunction wrapper =
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[function](std::unique_ptr<llvm::MemoryBuffer> input,
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llvm::raw_ostream &output, MLIRContext *context) {
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OwningModuleRef module = function(std::move(input), context);
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if (!module)
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return failure();
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return printMLIROutput(*module, output);
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};
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wrapperStorage.emplace_back(std::move(wrapper));
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addLiteralOption(kv.first(), &wrapperStorage.back(), kv.first());
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}
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for (const auto &kv : fromMLIRRegistry) {
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TranslateFromMLIRFunction function = kv.second;
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TranslateFunction wrapper =
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[function](std::unique_ptr<llvm::MemoryBuffer> input,
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llvm::raw_ostream &output, MLIRContext *context) {
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llvm::SourceMgr sourceMgr;
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sourceMgr.AddNewSourceBuffer(std::move(input), llvm::SMLoc());
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SourceMgrDiagnosticHandler sourceMgrHandler(sourceMgr, context);
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auto module = OwningModuleRef(parseSourceFile(sourceMgr, context));
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if (!module)
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return failure();
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return function(module.get(), output);
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};
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wrapperStorage.emplace_back(std::move(wrapper));
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addLiteralOption(kv.first(), &wrapperStorage.back(), kv.first());
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}
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for (const auto &kv : fileToFileRegistry) {
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wrapperStorage.emplace_back(kv.second);
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addLiteralOption(kv.first(), &wrapperStorage.back(), kv.first());
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}
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}
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void TranslationParser::printOptionInfo(const llvm::cl::Option &O,
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size_t GlobalWidth) const {
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TranslationParser *TP = const_cast<TranslationParser *>(this);
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llvm::array_pod_sort(TP->Values.begin(), TP->Values.end(),
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[](const TranslationParser::OptionInfo *VT1,
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const TranslationParser::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 TranslateFunction *>::printOptionInfo(O, GlobalWidth);
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}
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