blob: 3ff6c4eb40bda3f272f61973c1eb97238189d0a5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
//===- unittests/Frontend/CodeGenActionTest.cpp --- FrontendAction tests --===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Unit tests for CodeGenAction.
//
//===----------------------------------------------------------------------===//
#include "clang/Frontend/CompilerInstance.h"
#include "clang/CodeGen/CodeGenAction.h"
#include "clang/CodeGen/BackendUtil.h"
#include "gtest/gtest.h"
using namespace llvm;
using namespace clang;
using namespace clang::frontend;
namespace {
class NullCodeGenAction : public CodeGenAction {
public:
NullCodeGenAction(llvm::LLVMContext *_VMContext = nullptr)
: CodeGenAction(Backend_EmitLL, _VMContext) {}
// The action does not call methods of ATContext.
void ExecuteAction() override {
CompilerInstance &CI = getCompilerInstance();
if (!CI.hasPreprocessor())
return;
if (!CI.hasSema())
CI.createSema(getTranslationUnitKind(), nullptr);
}
};
TEST(CodeGenTest, TestNullCodeGen) {
CompilerInvocation *Invocation = new CompilerInvocation;
Invocation->getPreprocessorOpts().addRemappedFile(
"test.cc",
MemoryBuffer::getMemBuffer("").release());
Invocation->getFrontendOpts().Inputs.push_back(
FrontendInputFile("test.cc", IK_CXX));
Invocation->getFrontendOpts().ProgramAction = EmitLLVM;
Invocation->getTargetOpts().Triple = "i386-unknown-linux-gnu";
CompilerInstance Compiler;
Compiler.setInvocation(Invocation);
Compiler.createDiagnostics();
EXPECT_TRUE(Compiler.hasDiagnostics());
std::unique_ptr<FrontendAction> Act(new NullCodeGenAction);
bool Success = Compiler.ExecuteAction(*Act);
EXPECT_TRUE(Success);
}
}
|
