Import LLVM 10.0.0 release including clang, lld and lldb.

ok hackroom
tested by plenty

1 files changed, 103 insertions, 0 deletions

diff --git a/gnu/llvm/clang/unittests/Frontend/OutputStreamTest.cpp b/gnu/llvm/clang/unittests/Frontend/OutputStreamTest.cpp
new file mode 100644
index 00000000000..6a867bf053c
--- /dev/null
+++ b/gnu/llvm/clang/unittests/Frontend/OutputStreamTest.cpp
@@ -0,0 +1,103 @@
+//===- unittests/Frontend/OutputStreamTest.cpp --- FrontendAction 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/Basic/LangStandard.h"
+#include "clang/CodeGen/BackendUtil.h"
+#include "clang/CodeGen/CodeGenAction.h"
+#include "clang/Frontend/CompilerInstance.h"
+#include "clang/Frontend/TextDiagnosticPrinter.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", Language::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"));
+}
+
+TEST(FrontendOutputTests, TestVerboseOutputStreamShared) {
+  auto Invocation = std::make_shared<CompilerInvocation>();
+  Invocation->getPreprocessorOpts().addRemappedFile(
+      "test.cc", MemoryBuffer::getMemBuffer("invalid").release());
+  Invocation->getFrontendOpts().Inputs.push_back(
+      FrontendInputFile("test.cc", Language::CXX));
+  Invocation->getFrontendOpts().ProgramAction = EmitBC;
+  Invocation->getTargetOpts().Triple = "i386-unknown-linux-gnu";
+  CompilerInstance Compiler;
+
+  std::string VerboseBuffer;
+  raw_string_ostream VerboseStream(VerboseBuffer);
+
+  Compiler.setOutputStream(std::make_unique<raw_null_ostream>());
+  Compiler.setInvocation(std::move(Invocation));
+  IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions();
+  Compiler.createDiagnostics(
+      new TextDiagnosticPrinter(llvm::nulls(), &*DiagOpts), true);
+  Compiler.setVerboseOutputStream(VerboseStream);
+
+  bool Success = ExecuteCompilerInvocation(&Compiler);
+  EXPECT_FALSE(Success);
+  EXPECT_TRUE(!VerboseStream.str().empty());
+  EXPECT_TRUE(StringRef(VerboseBuffer.data()).contains("errors generated"));
+}
+
+TEST(FrontendOutputTests, TestVerboseOutputStreamOwned) {
+  std::string VerboseBuffer;
+  bool Success;
+  {
+    auto Invocation = std::make_shared<CompilerInvocation>();
+    Invocation->getPreprocessorOpts().addRemappedFile(
+        "test.cc", MemoryBuffer::getMemBuffer("invalid").release());
+    Invocation->getFrontendOpts().Inputs.push_back(
+        FrontendInputFile("test.cc", Language::CXX));
+    Invocation->getFrontendOpts().ProgramAction = EmitBC;
+    Invocation->getTargetOpts().Triple = "i386-unknown-linux-gnu";
+    CompilerInstance Compiler;
+
+    std::unique_ptr<raw_ostream> VerboseStream =
+        std::make_unique<raw_string_ostream>(VerboseBuffer);
+
+    Compiler.setOutputStream(std::make_unique<raw_null_ostream>());
+    Compiler.setInvocation(std::move(Invocation));
+    IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions();
+    Compiler.createDiagnostics(
+        new TextDiagnosticPrinter(llvm::nulls(), &*DiagOpts), true);
+    Compiler.setVerboseOutputStream(std::move(VerboseStream));
+
+    Success = ExecuteCompilerInvocation(&Compiler);
+  }
+  EXPECT_FALSE(Success);
+  EXPECT_TRUE(!VerboseBuffer.empty());
+  EXPECT_TRUE(StringRef(VerboseBuffer.data()).contains("errors generated"));
+}
+}