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ea4395ebcd
Aleksey Shlypanikov pointed out my mistake in migrating an explicit unique_ptr to auto - I was expecting the function returned a unique_ptr, but instead it returned a raw pointer - introducing a leak. Thanks Aleksey! This reapplies r291184, reverted in r291249. llvm-svn: 291270
63 lines
1.9 KiB
C++
63 lines
1.9 KiB
C++
//===- unittests/Frontend/CodeGenActionTest.cpp --- FrontendAction tests --===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// Unit tests for CodeGenAction.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/CodeGen/BackendUtil.h"
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#include "clang/CodeGen/CodeGenAction.h"
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#include "clang/Frontend/CompilerInstance.h"
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#include "clang/Lex/PreprocessorOptions.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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using namespace clang;
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using namespace clang::frontend;
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namespace {
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class NullCodeGenAction : public CodeGenAction {
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public:
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NullCodeGenAction(llvm::LLVMContext *_VMContext = nullptr)
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: CodeGenAction(Backend_EmitMCNull, _VMContext) {}
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// The action does not call methods of ATContext.
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void ExecuteAction() override {
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CompilerInstance &CI = getCompilerInstance();
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if (!CI.hasPreprocessor())
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return;
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if (!CI.hasSema())
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CI.createSema(getTranslationUnitKind(), nullptr);
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}
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};
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TEST(CodeGenTest, TestNullCodeGen) {
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auto Invocation = std::make_shared<CompilerInvocation>();
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Invocation->getPreprocessorOpts().addRemappedFile(
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"test.cc",
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MemoryBuffer::getMemBuffer("").release());
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Invocation->getFrontendOpts().Inputs.push_back(
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FrontendInputFile("test.cc", IK_CXX));
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Invocation->getFrontendOpts().ProgramAction = EmitLLVM;
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Invocation->getTargetOpts().Triple = "i386-unknown-linux-gnu";
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CompilerInstance Compiler;
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Compiler.setInvocation(std::move(Invocation));
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Compiler.createDiagnostics();
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EXPECT_TRUE(Compiler.hasDiagnostics());
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std::unique_ptr<FrontendAction> Act(new NullCodeGenAction);
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bool Success = Compiler.ExecuteAction(*Act);
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EXPECT_TRUE(Success);
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}
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}
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