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 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.getHeaderSearchOpts(), 66 compiler.getPreprocessorOpts(), 67 compiler.getCodeGenOpts(), 68 llvm::getGlobalContext()))); 69 70 compiler.createSema(clang::TU_Prefix, nullptr); 71 72 clang::SourceManager &sm = compiler.getSourceManager(); 73 sm.setMainFileID(sm.createFileID( 74 llvm::MemoryBuffer::getMemBuffer(TestProgram), clang::SrcMgr::C_User)); 75 76 clang::ParseAST(compiler.getSema(), false, false); 77 } 78 79 } // end anonymous namespace 80
