2010-02-16 06:09:09 +08:00
|
|
|
//===- llvm/unittest/VMCore/VerifierTest.cpp - Verifier unit tests --------===//
|
|
|
|
//
|
|
|
|
// The LLVM Compiler Infrastructure
|
|
|
|
//
|
|
|
|
// This file is distributed under the University of Illinois Open Source
|
|
|
|
// License. See LICENSE.TXT for details.
|
|
|
|
//
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
|
|
|
|
#include "llvm/Constants.h"
|
|
|
|
#include "llvm/DerivedTypes.h"
|
|
|
|
#include "llvm/Function.h"
|
2011-01-09 00:42:36 +08:00
|
|
|
#include "llvm/GlobalAlias.h"
|
|
|
|
#include "llvm/GlobalVariable.h"
|
2010-02-16 06:09:09 +08:00
|
|
|
#include "llvm/Instructions.h"
|
|
|
|
#include "llvm/LLVMContext.h"
|
2011-01-09 00:42:36 +08:00
|
|
|
#include "llvm/Module.h"
|
2010-03-13 09:34:56 +08:00
|
|
|
#include "llvm/ADT/OwningPtr.h"
|
2010-02-16 06:09:09 +08:00
|
|
|
#include "llvm/Analysis/Verifier.h"
|
|
|
|
#include "gtest/gtest.h"
|
|
|
|
|
|
|
|
namespace llvm {
|
|
|
|
namespace {
|
|
|
|
|
|
|
|
TEST(VerifierTest, Branch_i1) {
|
|
|
|
LLVMContext &C = getGlobalContext();
|
|
|
|
FunctionType *FTy = FunctionType::get(Type::getVoidTy(C), /*isVarArg=*/false);
|
2010-03-13 09:34:56 +08:00
|
|
|
OwningPtr<Function> F(Function::Create(FTy, GlobalValue::ExternalLinkage));
|
|
|
|
BasicBlock *Entry = BasicBlock::Create(C, "entry", F.get());
|
|
|
|
BasicBlock *Exit = BasicBlock::Create(C, "exit", F.get());
|
2010-02-16 06:09:09 +08:00
|
|
|
ReturnInst::Create(C, Exit);
|
|
|
|
|
|
|
|
// To avoid triggering an assertion in BranchInst::Create, we first create
|
|
|
|
// a branch with an 'i1' condition ...
|
|
|
|
|
|
|
|
Constant *False = ConstantInt::getFalse(C);
|
|
|
|
BranchInst *BI = BranchInst::Create(Exit, Exit, False, Entry);
|
|
|
|
|
|
|
|
// ... then use setOperand to redirect it to a value of different type.
|
|
|
|
|
|
|
|
Constant *Zero32 = ConstantInt::get(IntegerType::get(C, 32), 0);
|
|
|
|
BI->setOperand(0, Zero32);
|
|
|
|
|
|
|
|
EXPECT_TRUE(verifyFunction(*F, ReturnStatusAction));
|
|
|
|
}
|
|
|
|
|
2011-01-09 00:42:36 +08:00
|
|
|
TEST(VerifierTest, AliasUnnamedAddr) {
|
|
|
|
LLVMContext &C = getGlobalContext();
|
|
|
|
Module M("M", C);
|
2011-07-18 12:54:35 +08:00
|
|
|
Type *Ty = Type::getInt8Ty(C);
|
2011-01-09 00:42:36 +08:00
|
|
|
Constant *Init = Constant::getNullValue(Ty);
|
|
|
|
GlobalVariable *Aliasee = new GlobalVariable(M, Ty, true,
|
|
|
|
GlobalValue::ExternalLinkage,
|
|
|
|
Init, "foo");
|
|
|
|
GlobalAlias *GA = new GlobalAlias(Type::getInt8PtrTy(C),
|
|
|
|
GlobalValue::ExternalLinkage,
|
|
|
|
"bar", Aliasee, &M);
|
|
|
|
GA->setUnnamedAddr(true);
|
|
|
|
std::string Error;
|
|
|
|
EXPECT_TRUE(verifyModule(M, ReturnStatusAction, &Error));
|
|
|
|
EXPECT_TRUE(StringRef(Error).startswith("Alias cannot have unnamed_addr"));
|
|
|
|
}
|
2010-02-16 06:09:09 +08:00
|
|
|
}
|
|
|
|
}
|