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