//
//===----------------------------------------------------------------------===//
-#include "llvm/Linker.h"
-#include "llvm/IR/IRBuilder.h"
+#include "llvm/Linker/Linker.h"
#include "llvm/IR/BasicBlock.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/Function.h"
+#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/Module.h"
#include "gtest/gtest.h"
class LinkModuleTest : public testing::Test {
protected:
virtual void SetUp() {
- LLVMContext &Ctx = getGlobalContext();
M.reset(new Module("MyModule", Ctx));
FunctionType *FTy = FunctionType::get(
Type::getInt8PtrTy(Ctx), Type::getInt32Ty(Ctx), false /*=isVarArg*/);
ArrayType *AT = ArrayType::get(Type::getInt8PtrTy(Ctx), 3);
GV = new GlobalVariable(*M.get(), AT, false /*=isConstant*/,
- GlobalValue::InternalLinkage, 0, "switch.bas");
+ GlobalValue::InternalLinkage, nullptr,"switch.bas");
// Global Initializer
std::vector<Constant *> Init;
virtual void TearDown() { M.reset(); }
- OwningPtr<Module> M;
+ LLVMContext Ctx;
+ std::unique_ptr<Module> M;
Function *F;
GlobalVariable *GV;
BasicBlock *EntryBB;
};
TEST_F(LinkModuleTest, BlockAddress) {
- LLVMContext &Ctx = getGlobalContext();
IRBuilder<> Builder(EntryBB);
std::vector<Value *> GEPIndices;
Builder.SetInsertPoint(ExitBB);
Builder.CreateRet(ConstantPointerNull::get(Type::getInt8PtrTy(Ctx)));
- Module *LinkedModule = new Module("MyModuleLinked", getGlobalContext());
- Linker::LinkModules(LinkedModule, M.get(), Linker::PreserveSource, 0);
+ Module *LinkedModule = new Module("MyModuleLinked", Ctx);
+ Linker::LinkModules(LinkedModule, M.get());
// Delete the original module.
M.reset();
delete LinkedModule;
}
+static Module *getInternal(LLVMContext &Ctx) {
+ Module *InternalM = new Module("InternalModule", Ctx);
+ FunctionType *FTy = FunctionType::get(
+ Type::getVoidTy(Ctx), Type::getInt8PtrTy(Ctx), false /*=isVarArgs*/);
+
+ Function *F =
+ Function::Create(FTy, Function::InternalLinkage, "bar", InternalM);
+ F->setCallingConv(CallingConv::C);
+
+ BasicBlock *BB = BasicBlock::Create(Ctx, "", F);
+ IRBuilder<> Builder(BB);
+ Builder.CreateRetVoid();
+
+ StructType *STy = StructType::create(Ctx, PointerType::get(FTy, 0));
+
+ GlobalVariable *GV =
+ new GlobalVariable(*InternalM, STy, false /*=isConstant*/,
+ GlobalValue::InternalLinkage, nullptr, "g");
+
+ GV->setInitializer(ConstantStruct::get(STy, F));
+ return InternalM;
+}
+
+TEST_F(LinkModuleTest, EmptyModule) {
+ std::unique_ptr<Module> InternalM(getInternal(Ctx));
+ std::unique_ptr<Module> EmptyM(new Module("EmptyModule1", Ctx));
+ Linker::LinkModules(EmptyM.get(), InternalM.get());
+}
+
+TEST_F(LinkModuleTest, EmptyModule2) {
+ std::unique_ptr<Module> InternalM(getInternal(Ctx));
+ std::unique_ptr<Module> EmptyM(new Module("EmptyModule1", Ctx));
+ Linker::LinkModules(InternalM.get(), EmptyM.get());
+}
+
} // end anonymous namespace