97ac6483aa
This flag was used to let us incrementally introduce debug records into LLVM, however everything is now using records. It serves no purpose now, so delete it.
90 lines
3.5 KiB
C++
90 lines
3.5 KiB
C++
//===- ConvertFromLLVMIR.cpp - MLIR to LLVM IR conversion -----------------===//
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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 implements the function that registers the translation between
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// LLVM IR and the MLIR LLVM dialect.
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//
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//===----------------------------------------------------------------------===//
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#include "mlir/Dialect/DLTI/DLTI.h"
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#include "mlir/IR/BuiltinOps.h"
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#include "mlir/Target/LLVMIR/Dialect/All.h"
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#include "mlir/Target/LLVMIR/Import.h"
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#include "mlir/Tools/mlir-translate/Translation.h"
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#include "llvm/IR/Module.h"
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#include "llvm/IR/Verifier.h"
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#include "llvm/IRReader/IRReader.h"
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#include "llvm/Support/SourceMgr.h"
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using namespace mlir;
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namespace mlir {
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void registerFromLLVMIRTranslation() {
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static llvm::cl::opt<bool> emitExpensiveWarnings(
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"emit-expensive-warnings",
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llvm::cl::desc("Emit expensive warnings during LLVM IR import "
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"(discouraged: testing only!)"),
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llvm::cl::init(false));
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static llvm::cl::opt<bool> dropDICompositeTypeElements(
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"drop-di-composite-type-elements",
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llvm::cl::desc(
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"Avoid translating the elements of DICompositeTypes during "
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"the LLVM IR import (discouraged: testing only!)"),
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llvm::cl::init(false));
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static llvm::cl::opt<bool> preferUnregisteredIntrinsics(
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"prefer-unregistered-intrinsics",
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llvm::cl::desc(
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"Prefer translating all intrinsics into llvm.call_intrinsic instead "
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"of using dialect supported intrinsics"),
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llvm::cl::init(false));
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static llvm::cl::opt<bool> importStructsAsLiterals(
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"import-structs-as-literals",
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llvm::cl::desc("Controls if structs should be imported as literal "
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"structs, i.e., nameless structs."),
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llvm::cl::init(false));
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TranslateToMLIRRegistration registration(
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"import-llvm", "Translate LLVMIR to MLIR",
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[](llvm::SourceMgr &sourceMgr,
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MLIRContext *context) -> OwningOpRef<Operation *> {
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llvm::SMDiagnostic err;
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llvm::LLVMContext llvmContext;
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std::unique_ptr<llvm::Module> llvmModule =
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llvm::parseIR(*sourceMgr.getMemoryBuffer(sourceMgr.getMainFileID()),
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err, llvmContext);
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if (!llvmModule) {
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std::string errStr;
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llvm::raw_string_ostream errStream(errStr);
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err.print(/*ProgName=*/"", errStream);
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emitError(UnknownLoc::get(context)) << errStr;
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return {};
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}
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if (llvm::verifyModule(*llvmModule, &llvm::errs()))
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return nullptr;
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// Debug records are not currently supported in the LLVM IR translator.
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llvmModule->convertFromNewDbgValues();
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return translateLLVMIRToModule(
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std::move(llvmModule), context, emitExpensiveWarnings,
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dropDICompositeTypeElements, /*loadAllDialects=*/true,
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preferUnregisteredIntrinsics, importStructsAsLiterals);
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},
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[](DialectRegistry ®istry) {
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// Register the DLTI dialect used to express the data layout
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// specification of the imported module.
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registry.insert<DLTIDialect>();
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// Register all dialects that implement the LLVMImportDialectInterface
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// including the LLVM dialect.
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registerAllFromLLVMIRTranslations(registry);
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});
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}
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} // namespace mlir
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