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//===- JITEventListenerTestCommon.h - Helper for JITEventListener tests ------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===-------------------------------------------------------------------------------===//
#ifndef JIT_EVENT_LISTENER_TEST_COMMON_H
#define JIT_EVENT_LISTENER_TEST_COMMON_H
#include "llvm/CodeGen/MachineCodeInfo.h"
#include "llvm/Config/config.h"
#include "llvm/DIBuilder.h"
#include "llvm/DebugInfo.h"
#include "llvm/ExecutionEngine/JIT.h"
#include "llvm/ExecutionEngine/JITEventListener.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/TypeBuilder.h"
#include "llvm/Support/Dwarf.h"
#include "llvm/Support/TargetSelect.h"
#include "gtest/gtest.h"
#include <string>
#include <utility>
#include <vector>
typedef std::vector<std::pair<std::string, unsigned int> > SourceLocations;
typedef std::map<uint64_t, SourceLocations> NativeCodeMap;
class JITEnvironment : public testing::Environment {
virtual void SetUp() {
// Required to create a JIT.
llvm::InitializeNativeTarget();
}
};
inline unsigned int getLine() {
return 12;
}
inline unsigned int getCol() {
return 0;
}
inline const char* getFilename() {
return "mock_source_file.cpp";
}
// Test fixture shared by tests for listener implementations
template<typename WrapperT>
class JITEventListenerTestBase : public testing::Test {
protected:
llvm::OwningPtr<WrapperT> MockWrapper;
llvm::OwningPtr<llvm::JITEventListener> Listener;
public:
llvm::Module* M;
llvm::MDNode* Scope;
llvm::ExecutionEngine* EE;
llvm::DIBuilder* DebugBuilder;
llvm::IRBuilder<> Builder;
JITEventListenerTestBase(WrapperT* w)
: MockWrapper(w)
, M(new llvm::Module("module", llvm::getGlobalContext()))
, EE(llvm::EngineBuilder(M)
.setEngineKind(llvm::EngineKind::JIT)
.setOptLevel(llvm::CodeGenOpt::None)
.create())
, DebugBuilder(new llvm::DIBuilder(*M))
, Builder(llvm::getGlobalContext())
{
DebugBuilder->createCompileUnit(llvm::dwarf::DW_LANG_C_plus_plus,
"JIT",
"JIT",
"JIT",
true,
"",
1);
Scope = DebugBuilder->createFile(getFilename(), ".");
}
llvm::Function *buildFunction(const SourceLocations& DebugLocations) {
using namespace llvm;
LLVMContext& GlobalContext = getGlobalContext();
SourceLocations::const_iterator CurrentDebugLocation
= DebugLocations.begin();
if (CurrentDebugLocation != DebugLocations.end()) {
DebugLoc DebugLocation = DebugLoc::get(getLine(), getCol(),
DebugBuilder->createFile(CurrentDebugLocation->first, "."));
Builder.SetCurrentDebugLocation(DebugLocation);
CurrentDebugLocation++;
}
Function *Result = Function::Create(
TypeBuilder<int32_t(int32_t), false>::get(GlobalContext),
GlobalValue::ExternalLinkage, "id", M);
Value *Arg = Result->arg_begin();
BasicBlock *BB = BasicBlock::Create(M->getContext(), "entry", Result);
Builder.SetInsertPoint(BB);
Value* one = ConstantInt::get(GlobalContext, APInt(32, 1));
for(; CurrentDebugLocation != DebugLocations.end();
++CurrentDebugLocation) {
Arg = Builder.CreateMul(Arg, Builder.CreateAdd(Arg, one));
Builder.SetCurrentDebugLocation(
DebugLoc::get(CurrentDebugLocation->second, 0,
DebugBuilder->createFile(CurrentDebugLocation->first, ".")));
}
Builder.CreateRet(Arg);
return Result;
}
void TestNoDebugInfo(NativeCodeMap& ReportedDebugFuncs) {
SourceLocations DebugLocations;
llvm::Function* f = buildFunction(DebugLocations);
EXPECT_TRUE(0 != f);
//Cause JITting and callbacks to our listener
EXPECT_TRUE(0 != EE->getPointerToFunction(f));
EXPECT_TRUE(1 == ReportedDebugFuncs.size());
EE->freeMachineCodeForFunction(f);
EXPECT_TRUE(ReportedDebugFuncs.size() == 0);
}
void TestSingleLine(NativeCodeMap& ReportedDebugFuncs) {
SourceLocations DebugLocations;
DebugLocations.push_back(std::make_pair(std::string(getFilename()),
getLine()));
llvm::Function* f = buildFunction(DebugLocations);
EXPECT_TRUE(0 != f);
EXPECT_TRUE(0 != EE->getPointerToFunction(f));
EXPECT_TRUE(1 == ReportedDebugFuncs.size());
EXPECT_STREQ(ReportedDebugFuncs.begin()->second.begin()->first.c_str(),
getFilename());
EXPECT_EQ(ReportedDebugFuncs.begin()->second.begin()->second, getLine());
EE->freeMachineCodeForFunction(f);
EXPECT_TRUE(ReportedDebugFuncs.size() == 0);
}
void TestMultipleLines(NativeCodeMap& ReportedDebugFuncs) {
using namespace std;
SourceLocations DebugLocations;
unsigned int c = 5;
for(unsigned int i = 0; i < c; ++i) {
DebugLocations.push_back(make_pair(string(getFilename()), getLine() + i));
}
llvm::Function* f = buildFunction(DebugLocations);
EXPECT_TRUE(0 != f);
EXPECT_TRUE(0 != EE->getPointerToFunction(f));
EXPECT_TRUE(1 == ReportedDebugFuncs.size());
SourceLocations& FunctionInfo = ReportedDebugFuncs.begin()->second;
EXPECT_EQ(c, FunctionInfo.size());
int VerifyCount = 0;
for(SourceLocations::iterator i = FunctionInfo.begin();
i != FunctionInfo.end();
++i) {
EXPECT_STREQ(i->first.c_str(), getFilename());
EXPECT_EQ(i->second, getLine() + VerifyCount);
VerifyCount++;
}
EE->freeMachineCodeForFunction(f);
EXPECT_TRUE(ReportedDebugFuncs.size() == 0);
}
void TestMultipleFiles(NativeCodeMap& ReportedDebugFuncs) {
std::string secondFilename("another_file.cpp");
SourceLocations DebugLocations;
DebugLocations.push_back(std::make_pair(std::string(getFilename()),
getLine()));
DebugLocations.push_back(std::make_pair(secondFilename, getLine()));
llvm::Function* f = buildFunction(DebugLocations);
EXPECT_TRUE(0 != f);
EXPECT_TRUE(0 != EE->getPointerToFunction(f));
EXPECT_TRUE(1 == ReportedDebugFuncs.size());
SourceLocations& FunctionInfo = ReportedDebugFuncs.begin()->second;
EXPECT_TRUE(2 == FunctionInfo.size());
EXPECT_STREQ(FunctionInfo.at(0).first.c_str(), getFilename());
EXPECT_STREQ(FunctionInfo.at(1).first.c_str(), secondFilename.c_str());
EXPECT_EQ(FunctionInfo.at(0).second, getLine());
EXPECT_EQ(FunctionInfo.at(1).second, getLine());
EE->freeMachineCodeForFunction(f);
EXPECT_TRUE(ReportedDebugFuncs.size() == 0);
}
};
#endif //JIT_EVENT_LISTENER_TEST_COMMON_H
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