77 lines
2.5 KiB
C++
77 lines
2.5 KiB
C++
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//===- SerializeToLLVMBitcode.cpp -------------------------------*- C++ -*-===//
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//
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// This file is licensed 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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#include "mlir/IR/BuiltinOps.h"
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#include "mlir/IR/MLIRContext.h"
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#include "mlir/Parser/Parser.h"
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#include "mlir/Target/LLVM/ModuleToObject.h"
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#include "mlir/Target/LLVMIR/Dialect/Builtin/BuiltinToLLVMIRTranslation.h"
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#include "mlir/Target/LLVMIR/Dialect/LLVMIR/LLVMToLLVMIRTranslation.h"
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#include "llvm/IRReader/IRReader.h"
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#include "llvm/Support/MemoryBufferRef.h"
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#include "llvm/Support/TargetSelect.h"
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#include "llvm/Support/raw_ostream.h"
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#include "llvm/TargetParser/Host.h"
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#include "gmock/gmock.h"
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using namespace mlir;
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// Skip the test if the native target was not built.
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#if LLVM_NATIVE_TARGET_TEST_ENABLED == 0
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#define SKIP_WITHOUT_NATIVE(x) DISABLED_##x
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#else
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#define SKIP_WITHOUT_NATIVE(x) x
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#endif
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class MLIRTargetLLVM : public ::testing::Test {
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protected:
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virtual void SetUp() {
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llvm::InitializeNativeTarget();
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llvm::InitializeNativeTargetAsmPrinter();
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}
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};
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TEST_F(MLIRTargetLLVM, SKIP_WITHOUT_NATIVE(SerializeToLLVMBitcode)) {
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std::string moduleStr = R"mlir(
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llvm.func @foo(%arg0 : i32) {
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llvm.return
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}
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)mlir";
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DialectRegistry registry;
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registerBuiltinDialectTranslation(registry);
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registerLLVMDialectTranslation(registry);
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MLIRContext context(registry);
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OwningOpRef<ModuleOp> module =
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parseSourceString<ModuleOp>(moduleStr, &context);
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ASSERT_TRUE(!!module);
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// Serialize the module.
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std::string targetTriple = llvm::sys::getProcessTriple();
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LLVM::ModuleToObject serializer(*(module->getOperation()), targetTriple, "",
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"");
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std::optional<SmallVector<char, 0>> serializedModule = serializer.run();
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ASSERT_TRUE(!!serializedModule);
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ASSERT_TRUE(serializedModule->size() > 0);
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// Read the serialized module.
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llvm::MemoryBufferRef buffer(
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StringRef(serializedModule->data(), serializedModule->size()), "module");
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llvm::LLVMContext llvmContext;
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llvm::Expected<std::unique_ptr<llvm::Module>> llvmModule =
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llvm::getLazyBitcodeModule(buffer, llvmContext);
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ASSERT_TRUE(!!llvmModule);
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ASSERT_TRUE(!!*llvmModule);
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// Check that it has a function named `foo`.
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ASSERT_TRUE((*llvmModule)->getFunction("foo") != nullptr);
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}
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