This revision was automatically updated to reflect the committed changes. Closed by commit rC326566: Add possibility to specify output stream for CompilerInstance (authored by AlexeySotkin, committed by ).
Changed prior to commit: https://reviews.llvm.org/D43809?vs=136252&id=136715#toc Repository: rC Clang https://reviews.llvm.org/D43809 Files: include/clang/Frontend/CompilerInstance.h lib/CodeGen/CodeGenAction.cpp unittests/Frontend/CMakeLists.txt unittests/Frontend/OutputStreamTest.cpp
Index: lib/CodeGen/CodeGenAction.cpp =================================================================== --- lib/CodeGen/CodeGenAction.cpp +++ lib/CodeGen/CodeGenAction.cpp @@ -846,7 +846,10 @@ std::unique_ptr<ASTConsumer> CodeGenAction::CreateASTConsumer(CompilerInstance &CI, StringRef InFile) { BackendAction BA = static_cast<BackendAction>(Act); - std::unique_ptr<raw_pwrite_stream> OS = GetOutputStream(CI, InFile, BA); + std::unique_ptr<raw_pwrite_stream> OS = CI.takeOutputStream(); + if (!OS) + OS = GetOutputStream(CI, InFile, BA); + if (BA != Backend_EmitNothing && !OS) return nullptr; Index: unittests/Frontend/OutputStreamTest.cpp =================================================================== --- unittests/Frontend/OutputStreamTest.cpp +++ unittests/Frontend/OutputStreamTest.cpp @@ -0,0 +1,46 @@ +//===- unittests/Frontend/OutputStreamTest.cpp --- FrontendAction tests --===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "clang/CodeGen/BackendUtil.h" +#include "clang/CodeGen/CodeGenAction.h" +#include "clang/Frontend/CompilerInstance.h" +#include "clang/FrontendTool/Utils.h" +#include "clang/Lex/PreprocessorOptions.h" +#include "gtest/gtest.h" + +using namespace llvm; +using namespace clang; +using namespace clang::frontend; + +namespace { + +TEST(FrontendOutputTests, TestOutputStream) { + auto Invocation = std::make_shared<CompilerInvocation>(); + Invocation->getPreprocessorOpts().addRemappedFile( + "test.cc", MemoryBuffer::getMemBuffer("").release()); + Invocation->getFrontendOpts().Inputs.push_back( + FrontendInputFile("test.cc", InputKind::CXX)); + Invocation->getFrontendOpts().ProgramAction = EmitBC; + Invocation->getTargetOpts().Triple = "i386-unknown-linux-gnu"; + CompilerInstance Compiler; + + SmallVector<char, 256> IRBuffer; + std::unique_ptr<raw_pwrite_stream> IRStream( + new raw_svector_ostream(IRBuffer)); + + Compiler.setOutputStream(std::move(IRStream)); + Compiler.setInvocation(std::move(Invocation)); + Compiler.createDiagnostics(); + + bool Success = ExecuteCompilerInvocation(&Compiler); + EXPECT_TRUE(Success); + EXPECT_TRUE(!IRBuffer.empty()); + EXPECT_TRUE(StringRef(IRBuffer.data()).startswith("BC")); +} +} Index: unittests/Frontend/CMakeLists.txt =================================================================== --- unittests/Frontend/CMakeLists.txt +++ unittests/Frontend/CMakeLists.txt @@ -9,6 +9,7 @@ CodeGenActionTest.cpp ParsedSourceLocationTest.cpp PCHPreambleTest.cpp + OutputStreamTest.cpp ) target_link_libraries(FrontendTests PRIVATE @@ -18,4 +19,5 @@ clangLex clangSema clangCodeGen + clangFrontendTool ) Index: include/clang/Frontend/CompilerInstance.h =================================================================== --- include/clang/Frontend/CompilerInstance.h +++ include/clang/Frontend/CompilerInstance.h @@ -183,6 +183,9 @@ /// The list of active output files. std::list<OutputFile> OutputFiles; + /// Force an output buffer. + std::unique_ptr<llvm::raw_pwrite_stream> OutputStream; + CompilerInstance(const CompilerInstance &) = delete; void operator=(const CompilerInstance &) = delete; public: @@ -773,6 +776,14 @@ /// } + void setOutputStream(std::unique_ptr<llvm::raw_pwrite_stream> OutStream) { + OutputStream = std::move(OutStream); + } + + std::unique_ptr<llvm::raw_pwrite_stream> takeOutputStream() { + return std::move(OutputStream); + } + // Create module manager. void createModuleManager();
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