BufferSourceTest.cpp
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//===- unittests/CodeGen/BufferSourceTest.cpp - MemoryBuffer source tests -===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "clang/AST/ASTConsumer.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/RecursiveASTVisitor.h"
#include "clang/Basic/TargetInfo.h"
#include "clang/CodeGen/ModuleBuilder.h"
#include "clang/Frontend/CompilerInstance.h"
#include "clang/Lex/Preprocessor.h"
#include "clang/Parse/ParseAST.h"
#include "clang/Sema/Sema.h"
#include "llvm/ADT/Triple.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/Support/Host.h"
#include "llvm/Support/MemoryBuffer.h"
#include "gtest/gtest.h"
using namespace llvm;
using namespace clang;
namespace {
// Emitting constructors for global objects involves looking
// at the source file name. This makes sure that we don't crash
// if the source file is a memory buffer.
const char TestProgram[] =
"class EmitCXXGlobalInitFunc "
"{ "
"public: "
" EmitCXXGlobalInitFunc() {} "
"}; "
"EmitCXXGlobalInitFunc test; ";
TEST(BufferSourceTest, EmitCXXGlobalInitFunc) {
LLVMContext Context;
CompilerInstance compiler;
compiler.createDiagnostics();
compiler.getLangOpts().CPlusPlus = 1;
compiler.getLangOpts().CPlusPlus11 = 1;
compiler.getTargetOpts().Triple = llvm::Triple::normalize(
llvm::sys::getProcessTriple());
compiler.setTarget(clang::TargetInfo::CreateTargetInfo(
compiler.getDiagnostics(),
std::make_shared<clang::TargetOptions>(
compiler.getTargetOpts())));
compiler.createFileManager();
compiler.createSourceManager(compiler.getFileManager());
compiler.createPreprocessor(clang::TU_Prefix);
compiler.createASTContext();
compiler.setASTConsumer(std::unique_ptr<ASTConsumer>(
CreateLLVMCodeGen(
compiler.getDiagnostics(),
"EmitCXXGlobalInitFuncTest",
compiler.getHeaderSearchOpts(),
compiler.getPreprocessorOpts(),
compiler.getCodeGenOpts(),
Context)));
compiler.createSema(clang::TU_Prefix, nullptr);
clang::SourceManager &sm = compiler.getSourceManager();
sm.setMainFileID(sm.createFileID(
llvm::MemoryBuffer::getMemBuffer(TestProgram), clang::SrcMgr::C_User));
clang::ParseAST(compiler.getSema(), false, false);
}
} // end anonymous namespace