| //===- mlir-translate.cpp - MLIR Translate Driver -------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This is a command line utility that translates a file from/to MLIR using one |
| // of the registered translations. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "mlir/IR/Diagnostics.h" |
| #include "mlir/IR/MLIRContext.h" |
| #include "mlir/InitAllDialects.h" |
| #include "mlir/Support/FileUtilities.h" |
| #include "mlir/Support/LogicalResult.h" |
| #include "mlir/Support/ToolUtilities.h" |
| #include "mlir/Support/TranslateClParser.h" |
| #include "llvm/Support/InitLLVM.h" |
| #include "llvm/Support/MemoryBuffer.h" |
| #include "llvm/Support/SourceMgr.h" |
| #include "llvm/Support/ToolOutputFile.h" |
| |
| using namespace mlir; |
| |
| static llvm::cl::opt<std::string> inputFilename(llvm::cl::Positional, |
| llvm::cl::desc("<input file>"), |
| llvm::cl::init("-")); |
| |
| static llvm::cl::opt<std::string> |
| outputFilename("o", llvm::cl::desc("Output filename"), |
| llvm::cl::value_desc("filename"), llvm::cl::init("-")); |
| |
| static llvm::cl::opt<bool> |
| splitInputFile("split-input-file", |
| llvm::cl::desc("Split the input file into pieces and " |
| "process each chunk independently"), |
| llvm::cl::init(false)); |
| |
| static llvm::cl::opt<bool> verifyDiagnostics( |
| "verify-diagnostics", |
| llvm::cl::desc("Check that emitted diagnostics match " |
| "expected-* lines on the corresponding line"), |
| llvm::cl::init(false)); |
| |
| int main(int argc, char **argv) { |
| registerAllDialects(); |
| llvm::InitLLVM y(argc, argv); |
| |
| // Add flags for all the registered translations. |
| llvm::cl::opt<const TranslateFunction *, false, TranslationParser> |
| translationRequested("", llvm::cl::desc("Translation to perform"), |
| llvm::cl::Required); |
| |
| llvm::cl::ParseCommandLineOptions(argc, argv, "MLIR translation driver\n"); |
| |
| std::string errorMessage; |
| auto input = openInputFile(inputFilename, &errorMessage); |
| if (!input) { |
| llvm::errs() << errorMessage << "\n"; |
| return 1; |
| } |
| |
| auto output = openOutputFile(outputFilename, &errorMessage); |
| if (!output) { |
| llvm::errs() << errorMessage << "\n"; |
| return 1; |
| } |
| |
| // Processes the memory buffer with a new MLIRContext. |
| auto processBuffer = [&](std::unique_ptr<llvm::MemoryBuffer> ownedBuffer, |
| raw_ostream &os) { |
| MLIRContext context; |
| context.allowUnregisteredDialects(); |
| context.printOpOnDiagnostic(!verifyDiagnostics); |
| llvm::SourceMgr sourceMgr; |
| sourceMgr.AddNewSourceBuffer(std::move(ownedBuffer), llvm::SMLoc()); |
| |
| if (!verifyDiagnostics) { |
| SourceMgrDiagnosticHandler sourceMgrHandler(sourceMgr, &context); |
| return (*translationRequested)(sourceMgr, os, &context); |
| } |
| |
| // In the diagnostic verification flow, we ignore whether the translation |
| // failed (in most cases, it is expected to fail). Instead, we check if the |
| // diagnostics were produced as expected. |
| SourceMgrDiagnosticVerifierHandler sourceMgrHandler(sourceMgr, &context); |
| (*translationRequested)(sourceMgr, os, &context); |
| return sourceMgrHandler.verify(); |
| }; |
| |
| if (splitInputFile) { |
| if (failed(splitAndProcessBuffer(std::move(input), processBuffer, |
| output->os()))) |
| return 1; |
| } else { |
| if (failed(processBuffer(std::move(input), output->os()))) |
| return 1; |
| } |
| |
| output->keep(); |
| return 0; |
| } |