Files
clang-p2996/mlir/lib/Target/LLVMIR/ConvertToLLVMIR.cpp
Mehdi Amini 2af37cf7ff Check for nullptr before dereferencing in translateModuleToLLVMIR()
This is defensive with respect to invocations of this API with an IR
that isn't ready to be converted to LLVM IR.
2020-11-06 04:09:18 +00:00

57 lines
1.9 KiB
C++

//===- ConvertToLLVMIR.cpp - MLIR to LLVM IR conversion -------------------===//
//
// 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 file implements a translation between the MLIR LLVM dialect and LLVM IR.
//
//===----------------------------------------------------------------------===//
#include "mlir/Target/LLVMIR.h"
#include "mlir/Dialect/OpenMP/OpenMPDialect.h"
#include "mlir/Target/LLVMIR/ModuleTranslation.h"
#include "mlir/Translation.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/Verifier.h"
#include "llvm/Support/ToolOutputFile.h"
using namespace mlir;
std::unique_ptr<llvm::Module>
mlir::translateModuleToLLVMIR(ModuleOp m, llvm::LLVMContext &llvmContext,
StringRef name) {
auto llvmModule =
LLVM::ModuleTranslation::translateModule<>(m, llvmContext, name);
if (!llvmModule)
emitError(m.getLoc(), "Fail to convert MLIR to LLVM IR");
else if (verifyModule(*llvmModule))
emitError(m.getLoc(), "LLVM IR fails to verify");
return llvmModule;
}
namespace mlir {
void registerToLLVMIRTranslation() {
TranslateFromMLIRRegistration registration(
"mlir-to-llvmir",
[](ModuleOp module, raw_ostream &output) {
llvm::LLVMContext llvmContext;
auto llvmModule = LLVM::ModuleTranslation::translateModule<>(
module, llvmContext, "LLVMDialectModule");
if (!llvmModule)
return failure();
llvmModule->print(output, nullptr);
return success();
},
[](DialectRegistry &registry) {
registry.insert<LLVM::LLVMDialect, omp::OpenMPDialect>();
});
}
} // namespace mlir