| 1 | //===- unittests/Frontend/OutputStreamTest.cpp --- FrontendAction tests --===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #include "clang/CodeGen/BackendUtil.h" |
| 10 | #include "clang/CodeGen/CodeGenAction.h" |
| 11 | #include "clang/Frontend/CompilerInstance.h" |
| 12 | #include "clang/FrontendTool/Utils.h" |
| 13 | #include "clang/Lex/PreprocessorOptions.h" |
| 14 | #include "gtest/gtest.h" |
| 15 | |
| 16 | using namespace llvm; |
| 17 | using namespace clang; |
| 18 | using namespace clang::frontend; |
| 19 | |
| 20 | namespace { |
| 21 | |
| 22 | TEST(FrontendOutputTests, TestOutputStream) { |
| 23 | auto Invocation = std::make_shared<CompilerInvocation>(); |
| 24 | Invocation->getPreprocessorOpts().addRemappedFile( |
| 25 | "test.cc", MemoryBuffer::getMemBuffer("").release()); |
| 26 | Invocation->getFrontendOpts().Inputs.push_back( |
| 27 | FrontendInputFile("test.cc", InputKind::CXX)); |
| 28 | Invocation->getFrontendOpts().ProgramAction = EmitBC; |
| 29 | Invocation->getTargetOpts().Triple = "i386-unknown-linux-gnu"; |
| 30 | CompilerInstance Compiler; |
| 31 | |
| 32 | SmallVector<char, 256> IRBuffer; |
| 33 | std::unique_ptr<raw_pwrite_stream> IRStream( |
| 34 | new raw_svector_ostream(IRBuffer)); |
| 35 | |
| 36 | Compiler.setOutputStream(std::move(IRStream)); |
| 37 | Compiler.setInvocation(std::move(Invocation)); |
| 38 | Compiler.createDiagnostics(); |
| 39 | |
| 40 | bool Success = ExecuteCompilerInvocation(&Compiler); |
| 41 | EXPECT_TRUE(Success); |
| 42 | EXPECT_TRUE(!IRBuffer.empty()); |
| 43 | EXPECT_TRUE(StringRef(IRBuffer.data()).startswith("BC")); |
| 44 | } |
| 45 | } |
| 46 |