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
62
63
|
//===--- TBAATest.cpp - Mixed TBAA 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/Analysis/AliasAnalysisEvaluator.h"
#include "llvm/Analysis/Passes.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/MDBuilder.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/LegacyPassManager.h"
#include "llvm/IR/Verifier.h"
#include "llvm/Support/CommandLine.h"
#include "gtest/gtest.h"
namespace llvm {
namespace {
class OldTBAATest : public testing::Test {
protected:
OldTBAATest() : M("MixedTBAATest", C), MD(C) {}
LLVMContext C;
Module M;
MDBuilder MD;
};
TEST_F(OldTBAATest, checkVerifierBehavior) {
// C++ unit test case to avoid going through the auto upgrade logic.
FunctionType *FTy = FunctionType::get(Type::getVoidTy(C), {});
auto *F = cast<Function>(M.getOrInsertFunction("f", FTy));
auto *BB = BasicBlock::Create(C, "entry", F);
auto *IntType = Type::getInt32Ty(C);
auto *PtrType = Type::getInt32PtrTy(C);
auto *SI = new StoreInst(ConstantInt::get(IntType, 42),
ConstantPointerNull::get(PtrType), BB);
ReturnInst::Create(C, nullptr, BB);
auto *RootMD = MD.createTBAARoot("Simple C/C++ TBAA");
auto *MD1 = MD.createTBAANode("omnipotent char", RootMD);
auto *MD2 = MD.createTBAANode("int", MD1);
SI->setMetadata(LLVMContext::MD_tbaa, MD2);
SmallVector<char, 0> ErrorMsg;
raw_svector_ostream Outs(ErrorMsg);
StringRef ExpectedFailureMsg(
"Old-style TBAA is no longer allowed, use struct-path TBAA instead");
EXPECT_TRUE(verifyFunction(*F, &Outs));
EXPECT_TRUE(StringRef(ErrorMsg.begin(), ErrorMsg.size())
.startswith(ExpectedFailureMsg));
}
} // end anonymous namspace
} // end llvm namespace
|
