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//===- SpecialCaseList.cpp - Unit tests for SpecialCaseList ---------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/IR/Function.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Module.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Transforms/Utils/SpecialCaseList.h"
#include "gtest/gtest.h"
using namespace llvm;
namespace {
class SpecialCaseListTest : public ::testing::Test {
protected:
Function *makeFunction(StringRef Name, Module &M) {
return Function::Create(FunctionType::get(Type::getVoidTy(Ctx), false),
GlobalValue::ExternalLinkage,
Name,
&M);
}
GlobalVariable *makeGlobal(StringRef Name, StringRef StructName, Module &M) {
StructType *ST =
StructType::create(StructName, Type::getInt32Ty(Ctx), (Type*)0);
return new GlobalVariable(
M, ST, false, GlobalValue::ExternalLinkage, 0, Name);
}
SpecialCaseList *makeSpecialCaseList(StringRef List) {
OwningPtr<MemoryBuffer> MB(MemoryBuffer::getMemBuffer(List));
return new SpecialCaseList(MB.get());
}
LLVMContext Ctx;
};
TEST_F(SpecialCaseListTest, ModuleIsIn) {
Module M("hello", Ctx);
Function *F = makeFunction("foo", M);
GlobalVariable *GV = makeGlobal("bar", "t", M);
OwningPtr<SpecialCaseList> SCL(makeSpecialCaseList("# This is a comment.\n"
"\n"
"src:hello\n"));
EXPECT_TRUE(SCL->isIn(M));
EXPECT_TRUE(SCL->isIn(*F));
EXPECT_TRUE(SCL->isIn(*GV));
SCL.reset(makeSpecialCaseList("src:he*o\n"));
EXPECT_TRUE(SCL->isIn(M));
EXPECT_TRUE(SCL->isIn(*F));
EXPECT_TRUE(SCL->isIn(*GV));
SCL.reset(makeSpecialCaseList("src:hi\n"));
EXPECT_FALSE(SCL->isIn(M));
EXPECT_FALSE(SCL->isIn(*F));
EXPECT_FALSE(SCL->isIn(*GV));
}
TEST_F(SpecialCaseListTest, FunctionIsIn) {
Module M("hello", Ctx);
Function *Foo = makeFunction("foo", M);
Function *Bar = makeFunction("bar", M);
OwningPtr<SpecialCaseList> SCL(makeSpecialCaseList("fun:foo\n"));
EXPECT_TRUE(SCL->isIn(*Foo));
EXPECT_FALSE(SCL->isIn(*Bar));
SCL.reset(makeSpecialCaseList("fun:b*\n"));
EXPECT_FALSE(SCL->isIn(*Foo));
EXPECT_TRUE(SCL->isIn(*Bar));
SCL.reset(makeSpecialCaseList("fun:f*\n"
"fun:bar\n"));
EXPECT_TRUE(SCL->isIn(*Foo));
EXPECT_TRUE(SCL->isIn(*Bar));
}
TEST_F(SpecialCaseListTest, GlobalIsIn) {
Module M("hello", Ctx);
GlobalVariable *Foo = makeGlobal("foo", "t1", M);
GlobalVariable *Bar = makeGlobal("bar", "t2", M);
OwningPtr<SpecialCaseList> SCL(makeSpecialCaseList("global:foo\n"));
EXPECT_TRUE(SCL->isIn(*Foo));
EXPECT_FALSE(SCL->isIn(*Bar));
EXPECT_FALSE(SCL->isInInit(*Foo));
EXPECT_FALSE(SCL->isInInit(*Bar));
SCL.reset(makeSpecialCaseList("global-init:foo\n"));
EXPECT_FALSE(SCL->isIn(*Foo));
EXPECT_FALSE(SCL->isIn(*Bar));
EXPECT_TRUE(SCL->isInInit(*Foo));
EXPECT_FALSE(SCL->isInInit(*Bar));
SCL.reset(makeSpecialCaseList("global-init-type:t2\n"));
EXPECT_FALSE(SCL->isIn(*Foo));
EXPECT_FALSE(SCL->isIn(*Bar));
EXPECT_FALSE(SCL->isInInit(*Foo));
EXPECT_TRUE(SCL->isInInit(*Bar));
SCL.reset(makeSpecialCaseList("global-init-src:hello\n"));
EXPECT_FALSE(SCL->isIn(*Foo));
EXPECT_FALSE(SCL->isIn(*Bar));
EXPECT_TRUE(SCL->isInInit(*Foo));
EXPECT_TRUE(SCL->isInInit(*Bar));
}
}
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