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//===--- GlobalsModRefTest.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/GlobalsModRef.h"
#include "llvm/AsmParser/Parser.h"
#include "llvm/Support/SourceMgr.h"
#include "gtest/gtest.h"
using namespace llvm;
TEST(GlobalsModRef, OptNone) {
StringRef Assembly = R"(
define void @f() optnone {
ret void
}
)";
LLVMContext Context;
SMDiagnostic Error;
auto M = parseAssemblyString(Assembly, Error, Context);
ASSERT_TRUE(M) << "Bad assembly?";
const auto &funcs = M->functions();
ASSERT_NE(funcs.begin(), funcs.end());
EXPECT_EQ(std::next(funcs.begin()), funcs.end());
const Function &F = *funcs.begin();
Triple Trip(M->getTargetTriple());
TargetLibraryInfoImpl TLII(Trip);
TargetLibraryInfo TLI(TLII);
llvm::CallGraph CG(*M);
auto AAR = GlobalsAAResult::analyzeModule(*M, TLI, CG);
EXPECT_EQ(FMRB_UnknownModRefBehavior, AAR.getModRefBehavior(&F));
}
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