mirror of
https://github.com/RPCSX/llvm.git
synced 2024-12-05 02:16:46 +00:00
c779e96158
library rename. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171747 91177308-0d34-0410-b5e6-96231b3b80d8
295 lines
9.4 KiB
C++
295 lines
9.4 KiB
C++
//===- llvm/unittest/ADT/ValueMapTest.cpp - ValueMap unit tests -*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/ADT/ValueMap.h"
|
|
#include "llvm/ADT/OwningPtr.h"
|
|
#include "llvm/Config/llvm-config.h"
|
|
#include "llvm/IR/Constants.h"
|
|
#include "llvm/IR/Instructions.h"
|
|
#include "llvm/IR/LLVMContext.h"
|
|
#include "gtest/gtest.h"
|
|
|
|
using namespace llvm;
|
|
|
|
namespace {
|
|
|
|
// Test fixture
|
|
template<typename T>
|
|
class ValueMapTest : public testing::Test {
|
|
protected:
|
|
Constant *ConstantV;
|
|
OwningPtr<BitCastInst> BitcastV;
|
|
OwningPtr<BinaryOperator> AddV;
|
|
|
|
ValueMapTest() :
|
|
ConstantV(ConstantInt::get(Type::getInt32Ty(getGlobalContext()), 0)),
|
|
BitcastV(new BitCastInst(ConstantV, Type::getInt32Ty(getGlobalContext()))),
|
|
AddV(BinaryOperator::CreateAdd(ConstantV, ConstantV)) {
|
|
}
|
|
};
|
|
|
|
// Run everything on Value*, a subtype to make sure that casting works as
|
|
// expected, and a const subtype to make sure we cast const correctly.
|
|
typedef ::testing::Types<Value, Instruction, const Instruction> KeyTypes;
|
|
TYPED_TEST_CASE(ValueMapTest, KeyTypes);
|
|
|
|
TYPED_TEST(ValueMapTest, Null) {
|
|
ValueMap<TypeParam*, int> VM1;
|
|
VM1[NULL] = 7;
|
|
EXPECT_EQ(7, VM1.lookup(NULL));
|
|
}
|
|
|
|
TYPED_TEST(ValueMapTest, FollowsValue) {
|
|
ValueMap<TypeParam*, int> VM;
|
|
VM[this->BitcastV.get()] = 7;
|
|
EXPECT_EQ(7, VM.lookup(this->BitcastV.get()));
|
|
EXPECT_EQ(0, VM.count(this->AddV.get()));
|
|
this->BitcastV->replaceAllUsesWith(this->AddV.get());
|
|
EXPECT_EQ(7, VM.lookup(this->AddV.get()));
|
|
EXPECT_EQ(0, VM.count(this->BitcastV.get()));
|
|
this->AddV.reset();
|
|
EXPECT_EQ(0, VM.count(this->AddV.get()));
|
|
EXPECT_EQ(0, VM.count(this->BitcastV.get()));
|
|
EXPECT_EQ(0U, VM.size());
|
|
}
|
|
|
|
TYPED_TEST(ValueMapTest, OperationsWork) {
|
|
ValueMap<TypeParam*, int> VM;
|
|
ValueMap<TypeParam*, int> VM2(16); (void)VM2;
|
|
typename ValueMapConfig<TypeParam*>::ExtraData Data;
|
|
ValueMap<TypeParam*, int> VM3(Data, 16); (void)VM3;
|
|
EXPECT_TRUE(VM.empty());
|
|
|
|
VM[this->BitcastV.get()] = 7;
|
|
|
|
// Find:
|
|
typename ValueMap<TypeParam*, int>::iterator I =
|
|
VM.find(this->BitcastV.get());
|
|
ASSERT_TRUE(I != VM.end());
|
|
EXPECT_EQ(this->BitcastV.get(), I->first);
|
|
EXPECT_EQ(7, I->second);
|
|
EXPECT_TRUE(VM.find(this->AddV.get()) == VM.end());
|
|
|
|
// Const find:
|
|
const ValueMap<TypeParam*, int> &CVM = VM;
|
|
typename ValueMap<TypeParam*, int>::const_iterator CI =
|
|
CVM.find(this->BitcastV.get());
|
|
ASSERT_TRUE(CI != CVM.end());
|
|
EXPECT_EQ(this->BitcastV.get(), CI->first);
|
|
EXPECT_EQ(7, CI->second);
|
|
EXPECT_TRUE(CVM.find(this->AddV.get()) == CVM.end());
|
|
|
|
// Insert:
|
|
std::pair<typename ValueMap<TypeParam*, int>::iterator, bool> InsertResult1 =
|
|
VM.insert(std::make_pair(this->AddV.get(), 3));
|
|
EXPECT_EQ(this->AddV.get(), InsertResult1.first->first);
|
|
EXPECT_EQ(3, InsertResult1.first->second);
|
|
EXPECT_TRUE(InsertResult1.second);
|
|
EXPECT_EQ(true, VM.count(this->AddV.get()));
|
|
std::pair<typename ValueMap<TypeParam*, int>::iterator, bool> InsertResult2 =
|
|
VM.insert(std::make_pair(this->AddV.get(), 5));
|
|
EXPECT_EQ(this->AddV.get(), InsertResult2.first->first);
|
|
EXPECT_EQ(3, InsertResult2.first->second);
|
|
EXPECT_FALSE(InsertResult2.second);
|
|
|
|
// Erase:
|
|
VM.erase(InsertResult2.first);
|
|
EXPECT_EQ(0U, VM.count(this->AddV.get()));
|
|
EXPECT_EQ(1U, VM.count(this->BitcastV.get()));
|
|
VM.erase(this->BitcastV.get());
|
|
EXPECT_EQ(0U, VM.count(this->BitcastV.get()));
|
|
EXPECT_EQ(0U, VM.size());
|
|
|
|
// Range insert:
|
|
SmallVector<std::pair<Instruction*, int>, 2> Elems;
|
|
Elems.push_back(std::make_pair(this->AddV.get(), 1));
|
|
Elems.push_back(std::make_pair(this->BitcastV.get(), 2));
|
|
VM.insert(Elems.begin(), Elems.end());
|
|
EXPECT_EQ(1, VM.lookup(this->AddV.get()));
|
|
EXPECT_EQ(2, VM.lookup(this->BitcastV.get()));
|
|
}
|
|
|
|
template<typename ExpectedType, typename VarType>
|
|
void CompileAssertHasType(VarType) {
|
|
typedef char assert[is_same<ExpectedType, VarType>::value ? 1 : -1];
|
|
}
|
|
|
|
TYPED_TEST(ValueMapTest, Iteration) {
|
|
ValueMap<TypeParam*, int> VM;
|
|
VM[this->BitcastV.get()] = 2;
|
|
VM[this->AddV.get()] = 3;
|
|
size_t size = 0;
|
|
for (typename ValueMap<TypeParam*, int>::iterator I = VM.begin(), E = VM.end();
|
|
I != E; ++I) {
|
|
++size;
|
|
std::pair<TypeParam*, int> value = *I; (void)value;
|
|
CompileAssertHasType<TypeParam*>(I->first);
|
|
if (I->second == 2) {
|
|
EXPECT_EQ(this->BitcastV.get(), I->first);
|
|
I->second = 5;
|
|
} else if (I->second == 3) {
|
|
EXPECT_EQ(this->AddV.get(), I->first);
|
|
I->second = 6;
|
|
} else {
|
|
ADD_FAILURE() << "Iterated through an extra value.";
|
|
}
|
|
}
|
|
EXPECT_EQ(2U, size);
|
|
EXPECT_EQ(5, VM[this->BitcastV.get()]);
|
|
EXPECT_EQ(6, VM[this->AddV.get()]);
|
|
|
|
size = 0;
|
|
// Cast to const ValueMap to avoid a bug in DenseMap's iterators.
|
|
const ValueMap<TypeParam*, int>& CVM = VM;
|
|
for (typename ValueMap<TypeParam*, int>::const_iterator I = CVM.begin(),
|
|
E = CVM.end(); I != E; ++I) {
|
|
++size;
|
|
std::pair<TypeParam*, int> value = *I; (void)value;
|
|
CompileAssertHasType<TypeParam*>(I->first);
|
|
if (I->second == 5) {
|
|
EXPECT_EQ(this->BitcastV.get(), I->first);
|
|
} else if (I->second == 6) {
|
|
EXPECT_EQ(this->AddV.get(), I->first);
|
|
} else {
|
|
ADD_FAILURE() << "Iterated through an extra value.";
|
|
}
|
|
}
|
|
EXPECT_EQ(2U, size);
|
|
}
|
|
|
|
TYPED_TEST(ValueMapTest, DefaultCollisionBehavior) {
|
|
// By default, we overwrite the old value with the replaced value.
|
|
ValueMap<TypeParam*, int> VM;
|
|
VM[this->BitcastV.get()] = 7;
|
|
VM[this->AddV.get()] = 9;
|
|
this->BitcastV->replaceAllUsesWith(this->AddV.get());
|
|
EXPECT_EQ(0, VM.count(this->BitcastV.get()));
|
|
EXPECT_EQ(9, VM.lookup(this->AddV.get()));
|
|
}
|
|
|
|
TYPED_TEST(ValueMapTest, ConfiguredCollisionBehavior) {
|
|
// TODO: Implement this when someone needs it.
|
|
}
|
|
|
|
template<typename KeyT>
|
|
struct LockMutex : ValueMapConfig<KeyT> {
|
|
struct ExtraData {
|
|
sys::Mutex *M;
|
|
bool *CalledRAUW;
|
|
bool *CalledDeleted;
|
|
};
|
|
static void onRAUW(const ExtraData &Data, KeyT Old, KeyT New) {
|
|
*Data.CalledRAUW = true;
|
|
EXPECT_FALSE(Data.M->tryacquire()) << "Mutex should already be locked.";
|
|
}
|
|
static void onDelete(const ExtraData &Data, KeyT Old) {
|
|
*Data.CalledDeleted = true;
|
|
EXPECT_FALSE(Data.M->tryacquire()) << "Mutex should already be locked.";
|
|
}
|
|
static sys::Mutex *getMutex(const ExtraData &Data) { return Data.M; }
|
|
};
|
|
#if LLVM_ENABLE_THREADS
|
|
TYPED_TEST(ValueMapTest, LocksMutex) {
|
|
sys::Mutex M(false); // Not recursive.
|
|
bool CalledRAUW = false, CalledDeleted = false;
|
|
typename LockMutex<TypeParam*>::ExtraData Data =
|
|
{&M, &CalledRAUW, &CalledDeleted};
|
|
ValueMap<TypeParam*, int, LockMutex<TypeParam*> > VM(Data);
|
|
VM[this->BitcastV.get()] = 7;
|
|
this->BitcastV->replaceAllUsesWith(this->AddV.get());
|
|
this->AddV.reset();
|
|
EXPECT_TRUE(CalledRAUW);
|
|
EXPECT_TRUE(CalledDeleted);
|
|
}
|
|
#endif
|
|
|
|
template<typename KeyT>
|
|
struct NoFollow : ValueMapConfig<KeyT> {
|
|
enum { FollowRAUW = false };
|
|
};
|
|
|
|
TYPED_TEST(ValueMapTest, NoFollowRAUW) {
|
|
ValueMap<TypeParam*, int, NoFollow<TypeParam*> > VM;
|
|
VM[this->BitcastV.get()] = 7;
|
|
EXPECT_EQ(7, VM.lookup(this->BitcastV.get()));
|
|
EXPECT_EQ(0, VM.count(this->AddV.get()));
|
|
this->BitcastV->replaceAllUsesWith(this->AddV.get());
|
|
EXPECT_EQ(7, VM.lookup(this->BitcastV.get()));
|
|
EXPECT_EQ(0, VM.lookup(this->AddV.get()));
|
|
this->AddV.reset();
|
|
EXPECT_EQ(7, VM.lookup(this->BitcastV.get()));
|
|
EXPECT_EQ(0, VM.lookup(this->AddV.get()));
|
|
this->BitcastV.reset();
|
|
EXPECT_EQ(0, VM.lookup(this->BitcastV.get()));
|
|
EXPECT_EQ(0, VM.lookup(this->AddV.get()));
|
|
EXPECT_EQ(0U, VM.size());
|
|
}
|
|
|
|
template<typename KeyT>
|
|
struct CountOps : ValueMapConfig<KeyT> {
|
|
struct ExtraData {
|
|
int *Deletions;
|
|
int *RAUWs;
|
|
};
|
|
|
|
static void onRAUW(const ExtraData &Data, KeyT Old, KeyT New) {
|
|
++*Data.RAUWs;
|
|
}
|
|
static void onDelete(const ExtraData &Data, KeyT Old) {
|
|
++*Data.Deletions;
|
|
}
|
|
};
|
|
|
|
TYPED_TEST(ValueMapTest, CallsConfig) {
|
|
int Deletions = 0, RAUWs = 0;
|
|
typename CountOps<TypeParam*>::ExtraData Data = {&Deletions, &RAUWs};
|
|
ValueMap<TypeParam*, int, CountOps<TypeParam*> > VM(Data);
|
|
VM[this->BitcastV.get()] = 7;
|
|
this->BitcastV->replaceAllUsesWith(this->AddV.get());
|
|
EXPECT_EQ(0, Deletions);
|
|
EXPECT_EQ(1, RAUWs);
|
|
this->AddV.reset();
|
|
EXPECT_EQ(1, Deletions);
|
|
EXPECT_EQ(1, RAUWs);
|
|
this->BitcastV.reset();
|
|
EXPECT_EQ(1, Deletions);
|
|
EXPECT_EQ(1, RAUWs);
|
|
}
|
|
|
|
template<typename KeyT>
|
|
struct ModifyingConfig : ValueMapConfig<KeyT> {
|
|
// We'll put a pointer here back to the ValueMap this key is in, so
|
|
// that we can modify it (and clobber *this) before the ValueMap
|
|
// tries to do the same modification. In previous versions of
|
|
// ValueMap, that exploded.
|
|
typedef ValueMap<KeyT, int, ModifyingConfig<KeyT> > **ExtraData;
|
|
|
|
static void onRAUW(ExtraData Map, KeyT Old, KeyT New) {
|
|
(*Map)->erase(Old);
|
|
}
|
|
static void onDelete(ExtraData Map, KeyT Old) {
|
|
(*Map)->erase(Old);
|
|
}
|
|
};
|
|
TYPED_TEST(ValueMapTest, SurvivesModificationByConfig) {
|
|
ValueMap<TypeParam*, int, ModifyingConfig<TypeParam*> > *MapAddress;
|
|
ValueMap<TypeParam*, int, ModifyingConfig<TypeParam*> > VM(&MapAddress);
|
|
MapAddress = &VM;
|
|
// Now the ModifyingConfig can modify the Map inside a callback.
|
|
VM[this->BitcastV.get()] = 7;
|
|
this->BitcastV->replaceAllUsesWith(this->AddV.get());
|
|
EXPECT_FALSE(VM.count(this->BitcastV.get()));
|
|
EXPECT_FALSE(VM.count(this->AddV.get()));
|
|
VM[this->AddV.get()] = 7;
|
|
this->AddV.reset();
|
|
EXPECT_FALSE(VM.count(this->AddV.get()));
|
|
}
|
|
|
|
}
|