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[llvm-stress] Simple refactoring and better style. NFC.

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llvm-svn: 240534
This commit is contained in:
Pawel Bylica 2015-06-24 11:49:44 +00:00
parent 729cee7955
commit 2419672ed3
1 changed files with 35 additions and 52 deletions
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87
tools/llvm-stress/llvm-stress.cpp
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@ -96,24 +96,21 @@ private:
/// Generate an empty function with a default argument list.
Function *GenEmptyFunction(Module *M) {
// Type Definitions
std::vector<Type*> ArgsTy;
// Define a few arguments
LLVMContext &Context = M->getContext();
ArgsTy.push_back(PointerType::get(IntegerType::getInt8Ty(Context), 0));
ArgsTy.push_back(PointerType::get(IntegerType::getInt32Ty(Context), 0));
ArgsTy.push_back(PointerType::get(IntegerType::getInt64Ty(Context), 0));
ArgsTy.push_back(IntegerType::getInt32Ty(Context));
ArgsTy.push_back(IntegerType::getInt64Ty(Context));
ArgsTy.push_back(IntegerType::getInt8Ty(Context));
Type* ArgsTy[] = {
Type::getInt8PtrTy(Context),
Type::getInt32PtrTy(Context),
Type::getInt64PtrTy(Context),
Type::getInt32Ty(Context),
Type::getInt64Ty(Context),
Type::getInt8Ty(Context)
};
FunctionType *FuncTy = FunctionType::get(Type::getVoidTy(Context), ArgsTy, 0);
auto *FuncTy = FunctionType::get(Type::getVoidTy(Context), ArgsTy, false);
// Pick a unique name to describe the input parameters
std::stringstream ss;
ss<<"autogen_SD"<<SeedCL;
Function *Func = Function::Create(FuncTy, GlobalValue::ExternalLinkage,
ss.str(), M);
Twine Name = "autogen_SD" + Twine{SeedCL};
auto *Func = Function::Create(FuncTy, GlobalValue::ExternalLinkage, Name, M);
Func->setCallingConv(CallingConv::C);
return Func;
}
@ -620,59 +617,45 @@ static void FillFunction(Function *F, Random &R) {
Modifier::PieceTable PT;
// Consider arguments as legal values.
for (Function::arg_iterator it = F->arg_begin(), e = F->arg_end();
it != e; ++it)
PT.push_back(it);
for (auto &arg : F->args())
PT.push_back(&arg);
// List of modifiers which add new random instructions.
std::vector<Modifier*> Modifiers;
std::unique_ptr<Modifier> LM(new LoadModifier(BB, &PT, &R));
std::unique_ptr<Modifier> SM(new StoreModifier(BB, &PT, &R));
std::unique_ptr<Modifier> EE(new ExtractElementModifier(BB, &PT, &R));
std::unique_ptr<Modifier> SHM(new ShuffModifier(BB, &PT, &R));
std::unique_ptr<Modifier> IE(new InsertElementModifier(BB, &PT, &R));
std::unique_ptr<Modifier> BM(new BinModifier(BB, &PT, &R));
std::unique_ptr<Modifier> CM(new CastModifier(BB, &PT, &R));
std::unique_ptr<Modifier> SLM(new SelectModifier(BB, &PT, &R));
std::unique_ptr<Modifier> PM(new CmpModifier(BB, &PT, &R));
Modifiers.push_back(LM.get());
Modifiers.push_back(SM.get());
Modifiers.push_back(EE.get());
Modifiers.push_back(SHM.get());
Modifiers.push_back(IE.get());
Modifiers.push_back(BM.get());
Modifiers.push_back(CM.get());
Modifiers.push_back(SLM.get());
Modifiers.push_back(PM.get());
std::vector<std::unique_ptr<Modifier>> Modifiers;
Modifiers.emplace_back(new LoadModifier(BB, &PT, &R));
Modifiers.emplace_back(new StoreModifier(BB, &PT, &R));
auto SM = Modifiers.back().get();
Modifiers.emplace_back(new ExtractElementModifier(BB, &PT, &R));
Modifiers.emplace_back(new ShuffModifier(BB, &PT, &R));
Modifiers.emplace_back(new InsertElementModifier(BB, &PT, &R));
Modifiers.emplace_back(new BinModifier(BB, &PT, &R));
Modifiers.emplace_back(new CastModifier(BB, &PT, &R));
Modifiers.emplace_back(new SelectModifier(BB, &PT, &R));
Modifiers.emplace_back(new CmpModifier(BB, &PT, &R));
// Generate the random instructions
AllocaModifier AM(BB, &PT, &R); AM.ActN(5); // Throw in a few allocas
ConstModifier COM(BB, &PT, &R); COM.ActN(40); // Throw in a few constants
AllocaModifier{BB, &PT, &R}.ActN(5); // Throw in a few allocas
ConstModifier{BB, &PT, &R}.ActN(40); // Throw in a few constants
for (unsigned i=0; i< SizeCL / Modifiers.size(); ++i)
for (std::vector<Modifier*>::iterator it = Modifiers.begin(),
e = Modifiers.end(); it != e; ++it) {
(*it)->Act();
}
for (unsigned i = 0; i < SizeCL / Modifiers.size(); ++i)
for (auto &Mod : Modifiers)
Mod->Act();
SM->ActN(5); // Throw in a few stores.
}
static void IntroduceControlFlow(Function *F, Random &R) {
std::vector<Instruction*> BoolInst;
for (BasicBlock::iterator it = F->begin()->begin(),
e = F->begin()->end(); it != e; ++it) {
if (it->getType() == IntegerType::getInt1Ty(F->getContext()))
BoolInst.push_back(it);
for (auto &Instr : F->front()) {
if (Instr.getType() == IntegerType::getInt1Ty(F->getContext()))
BoolInst.push_back(&Instr);
}
std::random_shuffle(BoolInst.begin(), BoolInst.end(), R);
for (std::vector<Instruction*>::iterator it = BoolInst.begin(),
e = BoolInst.end(); it != e; ++it) {
Instruction *Instr = *it;
for (auto *Instr : BoolInst) {
BasicBlock *Curr = Instr->getParent();
BasicBlock::iterator Loc= Instr;
BasicBlock::iterator Loc = Instr;
BasicBlock *Next = Curr->splitBasicBlock(Loc, "CF");
Instr->moveBefore(Curr->getTerminator());
if (Curr != &F->getEntryBlock()) {
@ -688,7 +671,7 @@ int main(int argc, char **argv) {
cl::ParseCommandLineOptions(argc, argv, "llvm codegen stress-tester\n");
llvm_shutdown_obj Y;
std::unique_ptr<Module> M(new Module("/tmp/autogen.bc", getGlobalContext()));
auto M = make_unique<Module>("/tmp/autogen.bc", getGlobalContext());
Function *F = GenEmptyFunction(M.get());
// Pick an initial seed value