1 //===- unittests/CodeGen/BufferSourceTest.cpp - MemoryBuffer source tests -===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 #include "clang/AST/ASTConsumer.h"
11 #include "clang/AST/ASTContext.h"
12 #include "clang/AST/RecursiveASTVisitor.h"
13 #include "clang/Basic/TargetInfo.h"
14 #include "clang/CodeGen/ModuleBuilder.h"
15 #include "clang/Frontend/CompilerInstance.h"
16 #include "clang/Lex/Preprocessor.h"
17 #include "clang/Parse/ParseAST.h"
18 #include "clang/Sema/Sema.h"
19 #include "llvm/ADT/Triple.h"
20 #include "llvm/IR/LLVMContext.h"
21 #include "llvm/Support/Host.h"
22 #include "llvm/Support/MemoryBuffer.h"
23 #include "gtest/gtest.h"
24
25 using namespace llvm;
26 using namespace clang;
27
28 namespace {
29
30 // Emitting constructors for global objects involves looking
31 // at the source file name. This makes sure that we don't crash
32 // if the source file is a memory buffer.
33 const char TestProgram[] =
34 "class EmitCXXGlobalInitFunc "
35 "{ "
36 "public: "
37 " EmitCXXGlobalInitFunc() {} "
38 "}; "
39 "EmitCXXGlobalInitFunc test; ";
40
TEST(BufferSourceTest,EmitCXXGlobalInitFunc)41 TEST(BufferSourceTest, EmitCXXGlobalInitFunc) {
42 CompilerInstance compiler;
43
44 compiler.createDiagnostics();
45 compiler.getLangOpts().CPlusPlus = 1;
46 compiler.getLangOpts().CPlusPlus11 = 1;
47
48 compiler.getTargetOpts().Triple = llvm::Triple::normalize(
49 llvm::sys::getProcessTriple());
50 compiler.setTarget(clang::TargetInfo::CreateTargetInfo(
51 compiler.getDiagnostics(),
52 std::make_shared<clang::TargetOptions>(
53 compiler.getTargetOpts())));
54
55 compiler.createFileManager();
56 compiler.createSourceManager(compiler.getFileManager());
57 compiler.createPreprocessor(clang::TU_Prefix);
58
59 compiler.createASTContext();
60
61 compiler.setASTConsumer(std::unique_ptr<ASTConsumer>(
62 CreateLLVMCodeGen(
63 compiler.getDiagnostics(),
64 "EmitCXXGlobalInitFuncTest",
65 compiler.getCodeGenOpts(),
66 compiler.getTargetOpts(),
67 llvm::getGlobalContext())));
68
69 compiler.createSema(clang::TU_Prefix,NULL);
70
71 clang::SourceManager &sm = compiler.getSourceManager();
72 sm.setMainFileID(sm.createFileID(
73 llvm::MemoryBuffer::getMemBuffer(TestProgram), clang::SrcMgr::C_User));
74
75 clang::ParseAST(compiler.getSema(), false, false);
76 }
77
78 }
79