mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-25 12:12:47 +01:00
329 lines
9.8 KiB
C++
329 lines
9.8 KiB
C++
//===- llvm/unittest/Support/IntegersSubsetTest.cpp - IntegersSubset tests ===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/ADT/APInt.h"
|
|
#include "llvm/Support/IntegersSubset.h"
|
|
#include "llvm/Support/IntegersSubsetMapping.h"
|
|
|
|
#include "gtest/gtest.h"
|
|
|
|
#include <vector>
|
|
|
|
using namespace llvm;
|
|
|
|
namespace {
|
|
|
|
class Int : public APInt {
|
|
public:
|
|
Int() {}
|
|
Int(uint64_t V) : APInt(64, V) {}
|
|
Int(const APInt& Src) : APInt(Src) {}
|
|
bool operator < (const APInt& RHS) const { return ult(RHS); }
|
|
bool operator > (const APInt& RHS) const { return ugt(RHS); }
|
|
bool operator <= (const APInt& RHS) const { return ule(RHS); }
|
|
bool operator >= (const APInt& RHS) const { return uge(RHS); }
|
|
};
|
|
|
|
typedef IntRange<Int> Range;
|
|
typedef IntegersSubsetGeneric<Int> Subset;
|
|
typedef IntegersSubsetMapping<unsigned,Subset,Int> Mapping;
|
|
|
|
TEST(IntegersSubsetTest, GeneralTest) {
|
|
|
|
// Test construction.
|
|
|
|
std::vector<Range> Ranges;
|
|
Ranges.reserve(3);
|
|
|
|
// Initialize Subset as union of three pairs:
|
|
// { {0, 8}, {10, 18}, {20, 28} }
|
|
for (unsigned i = 0; i < 3; ++i)
|
|
Ranges.push_back(Range(Int(i*10), Int(i*10 + 8)));
|
|
|
|
Subset TheSubset(Ranges);
|
|
|
|
for (unsigned i = 0; i < 3; ++i) {
|
|
EXPECT_EQ(TheSubset.getItem(i).getLow(), Int(i*10));
|
|
EXPECT_EQ(TheSubset.getItem(i).getHigh(), Int(i*10 + 8));
|
|
}
|
|
|
|
EXPECT_EQ(TheSubset.getNumItems(), 3ULL);
|
|
|
|
// Test belonging to range.
|
|
|
|
EXPECT_TRUE(TheSubset.isSatisfies(Int(5)));
|
|
EXPECT_FALSE(TheSubset.isSatisfies(Int(9)));
|
|
|
|
// Test when subset contains the only item.
|
|
|
|
Ranges.clear();
|
|
Ranges.push_back(Range(Int(10), Int(10)));
|
|
|
|
Subset TheSingleNumber(Ranges);
|
|
|
|
EXPECT_TRUE(TheSingleNumber.isSingleNumber());
|
|
|
|
Ranges.push_back(Range(Int(12), Int(15)));
|
|
|
|
Subset NotASingleNumber(Ranges);
|
|
|
|
EXPECT_FALSE(NotASingleNumber.isSingleNumber());
|
|
|
|
// Test when subset contains items that are not a ranges but
|
|
// the single numbers.
|
|
|
|
Ranges.clear();
|
|
Ranges.push_back(Range(Int(10), Int(10)));
|
|
Ranges.push_back(Range(Int(15), Int(19)));
|
|
|
|
Subset WithSingleNumberItems(Ranges);
|
|
|
|
EXPECT_TRUE(WithSingleNumberItems.isSingleNumber(0));
|
|
EXPECT_FALSE(WithSingleNumberItems.isSingleNumber(1));
|
|
|
|
// Test size of subset. Note subset itself may be not optimized (improper),
|
|
// so it may contain duplicates, and the size of subset { {0, 9} {5, 9} }
|
|
// will 15 instead of 10.
|
|
|
|
Ranges.clear();
|
|
Ranges.push_back(Range(Int(0), Int(9)));
|
|
Ranges.push_back(Range(Int(5), Int(9)));
|
|
|
|
Subset NotOptimizedSubset(Ranges);
|
|
|
|
EXPECT_EQ(NotOptimizedSubset.getSize(), 15ULL);
|
|
|
|
// Test access to a single value.
|
|
// getSingleValue(idx) method represents subset as flat numbers collection,
|
|
// so subset { {0, 3}, {8, 10} } will represented as array
|
|
// { 0, 1, 2, 3, 8, 9, 10 }.
|
|
|
|
Ranges.clear();
|
|
Ranges.push_back(Range(Int(0), Int(3)));
|
|
Ranges.push_back(Range(Int(8), Int(10)));
|
|
|
|
Subset OneMoreSubset(Ranges);
|
|
|
|
EXPECT_EQ(OneMoreSubset.getSingleValue(5), Int(9));
|
|
}
|
|
|
|
TEST(IntegersSubsetTest, MappingTest) {
|
|
|
|
Mapping::Cases TheCases;
|
|
|
|
unsigned Successors[3] = {0, 1, 2};
|
|
|
|
// Test construction.
|
|
|
|
Mapping TheMapping;
|
|
for (unsigned i = 0; i < 3; ++i)
|
|
TheMapping.add(Int(10*i), Int(10*i + 9), Successors + i);
|
|
TheMapping.add(Int(111), Int(222), Successors);
|
|
TheMapping.removeItem(--TheMapping.end());
|
|
|
|
TheMapping.getCases(TheCases);
|
|
|
|
EXPECT_EQ(TheCases.size(), 3ULL);
|
|
|
|
for (unsigned i = 0; i < 3; ++i) {
|
|
Mapping::Cases::iterator CaseIt = TheCases.begin();
|
|
std::advance(CaseIt, i);
|
|
EXPECT_EQ(CaseIt->first, Successors + i);
|
|
EXPECT_EQ(CaseIt->second.getNumItems(), 1ULL);
|
|
EXPECT_EQ(CaseIt->second.getItem(0), Range(Int(10*i), Int(10*i + 9)));
|
|
}
|
|
|
|
// Test verification.
|
|
|
|
Mapping ImproperMapping;
|
|
ImproperMapping.add(Int(10), Int(11), Successors + 0);
|
|
ImproperMapping.add(Int(11), Int(12), Successors + 1);
|
|
|
|
Mapping::RangeIterator ErrItem;
|
|
EXPECT_FALSE(ImproperMapping.verify(ErrItem));
|
|
EXPECT_EQ(ErrItem, --ImproperMapping.end());
|
|
|
|
Mapping ProperMapping;
|
|
ProperMapping.add(Int(10), Int(11), Successors + 0);
|
|
ProperMapping.add(Int(12), Int(13), Successors + 1);
|
|
|
|
EXPECT_TRUE(ProperMapping.verify(ErrItem));
|
|
|
|
// Test optimization.
|
|
|
|
Mapping ToBeOptimized;
|
|
|
|
for (unsigned i = 0; i < 3; ++i) {
|
|
ToBeOptimized.add(Int(i * 10), Int(i * 10 + 1), Successors + i);
|
|
ToBeOptimized.add(Int(i * 10 + 2), Int(i * 10 + 9), Successors + i);
|
|
}
|
|
|
|
ToBeOptimized.optimize();
|
|
|
|
TheCases.clear();
|
|
ToBeOptimized.getCases(TheCases);
|
|
|
|
EXPECT_EQ(TheCases.size(), 3ULL);
|
|
|
|
for (unsigned i = 0; i < 3; ++i) {
|
|
Mapping::Cases::iterator CaseIt = TheCases.begin();
|
|
std::advance(CaseIt, i);
|
|
EXPECT_EQ(CaseIt->first, Successors + i);
|
|
EXPECT_EQ(CaseIt->second.getNumItems(), 1ULL);
|
|
EXPECT_EQ(CaseIt->second.getItem(0), Range(Int(i * 10), Int(i * 10 + 9)));
|
|
}
|
|
}
|
|
|
|
typedef unsigned unsigned_pair[2];
|
|
typedef unsigned_pair unsigned_ranges[];
|
|
|
|
void TestDiff(
|
|
const unsigned_ranges LHS,
|
|
unsigned LSize,
|
|
const unsigned_ranges RHS,
|
|
unsigned RSize,
|
|
const unsigned_ranges ExcludeRes,
|
|
unsigned ExcludeResSize,
|
|
const unsigned_ranges IntersectRes,
|
|
unsigned IntersectResSize
|
|
) {
|
|
|
|
Mapping::RangesCollection Ranges;
|
|
|
|
Mapping LHSMapping;
|
|
for (unsigned i = 0; i < LSize; ++i)
|
|
Ranges.push_back(Range(Int(LHS[i][0]), Int(LHS[i][1])));
|
|
LHSMapping.add(Ranges);
|
|
|
|
Ranges.clear();
|
|
|
|
Mapping RHSMapping;
|
|
for (unsigned i = 0; i < RSize; ++i)
|
|
Ranges.push_back(Range(Int(RHS[i][0]), Int(RHS[i][1])));
|
|
RHSMapping.add(Ranges);
|
|
|
|
Mapping LExclude, Intersection;
|
|
|
|
LHSMapping.diff(&LExclude, &Intersection, 0, RHSMapping);
|
|
|
|
if (ExcludeResSize) {
|
|
EXPECT_EQ(LExclude.size(), ExcludeResSize);
|
|
|
|
unsigned i = 0;
|
|
for (Mapping::RangeIterator rei = LExclude.begin(),
|
|
e = LExclude.end(); rei != e; ++rei, ++i)
|
|
EXPECT_EQ(rei->first, Range(ExcludeRes[i][0], ExcludeRes[i][1]));
|
|
} else
|
|
EXPECT_TRUE(LExclude.empty());
|
|
|
|
if (IntersectResSize) {
|
|
EXPECT_EQ(Intersection.size(), IntersectResSize);
|
|
|
|
unsigned i = 0;
|
|
for (Mapping::RangeIterator ii = Intersection.begin(),
|
|
e = Intersection.end(); ii != e; ++ii, ++i)
|
|
EXPECT_EQ(ii->first, Range(IntersectRes[i][0], IntersectRes[i][1]));
|
|
} else
|
|
EXPECT_TRUE(Intersection.empty());
|
|
|
|
LExclude.clear();
|
|
Intersection.clear();
|
|
RHSMapping.diff(0, &Intersection, &LExclude, LHSMapping);
|
|
|
|
// Check LExclude again.
|
|
if (ExcludeResSize) {
|
|
EXPECT_EQ(LExclude.size(), ExcludeResSize);
|
|
|
|
unsigned i = 0;
|
|
for (Mapping::RangeIterator rei = LExclude.begin(),
|
|
e = LExclude.end(); rei != e; ++rei, ++i)
|
|
EXPECT_EQ(rei->first, Range(ExcludeRes[i][0], ExcludeRes[i][1]));
|
|
} else
|
|
EXPECT_TRUE(LExclude.empty());
|
|
}
|
|
|
|
TEST(IntegersSubsetTest, DiffTest) {
|
|
|
|
static const unsigned NOT_A_NUMBER = 0xffff;
|
|
|
|
{
|
|
unsigned_ranges LHS = { { 0, 4 }, { 7, 10 }, { 13, 17 } };
|
|
unsigned_ranges RHS = { { 3, 14 } };
|
|
unsigned_ranges ExcludeRes = { { 0, 2 }, { 15, 17 } };
|
|
unsigned_ranges IntersectRes = { { 3, 4 }, { 7, 10 }, { 13, 14 } };
|
|
|
|
TestDiff(LHS, 3, RHS, 1, ExcludeRes, 2, IntersectRes, 3);
|
|
}
|
|
|
|
{
|
|
unsigned_ranges LHS = { { 0, 4 }, { 7, 10 }, { 13, 17 } };
|
|
unsigned_ranges RHS = { { 0, 4 }, { 13, 17 } };
|
|
unsigned_ranges ExcludeRes = { { 7, 10 } };
|
|
unsigned_ranges IntersectRes = { { 0, 4 }, { 13, 17 } };
|
|
|
|
TestDiff(LHS, 3, RHS, 2, ExcludeRes, 1, IntersectRes, 2);
|
|
}
|
|
|
|
{
|
|
unsigned_ranges LHS = { { 0, 17 } };
|
|
unsigned_ranges RHS = { { 1, 5 }, { 10, 12 }, { 15, 16 } };
|
|
unsigned_ranges ExcludeRes =
|
|
{ { 0, 0 }, { 6, 9 }, { 13, 14 }, { 17, 17 } };
|
|
unsigned_ranges IntersectRes = { { 1, 5 }, { 10, 12 }, { 15, 16 } };
|
|
|
|
TestDiff(LHS, 1, RHS, 3, ExcludeRes, 4, IntersectRes, 3);
|
|
}
|
|
|
|
{
|
|
unsigned_ranges LHS = { { 2, 4 } };
|
|
unsigned_ranges RHS = { { 0, 5 } };
|
|
unsigned_ranges ExcludeRes = { {NOT_A_NUMBER, NOT_A_NUMBER} };
|
|
unsigned_ranges IntersectRes = { { 2, 4 } };
|
|
|
|
TestDiff(LHS, 1, RHS, 1, ExcludeRes, 0, IntersectRes, 1);
|
|
}
|
|
|
|
{
|
|
unsigned_ranges LHS = { { 2, 4 } };
|
|
unsigned_ranges RHS = { { 7, 8 } };
|
|
unsigned_ranges ExcludeRes = { { 2, 4 } };
|
|
unsigned_ranges IntersectRes = { {NOT_A_NUMBER, NOT_A_NUMBER} };
|
|
|
|
TestDiff(LHS, 1, RHS, 1, ExcludeRes, 1, IntersectRes, 0);
|
|
}
|
|
|
|
{
|
|
unsigned_ranges LHS = { { 3, 7 } };
|
|
unsigned_ranges RHS = { { 1, 4 } };
|
|
unsigned_ranges ExcludeRes = { { 5, 7 } };
|
|
unsigned_ranges IntersectRes = { { 3, 4 } };
|
|
|
|
TestDiff(LHS, 1, RHS, 1, ExcludeRes, 1, IntersectRes, 1);
|
|
}
|
|
|
|
{
|
|
unsigned_ranges LHS = { { 0, 7 } };
|
|
unsigned_ranges RHS = { { 0, 5 }, { 6, 9 } };
|
|
unsigned_ranges ExcludeRes = { {NOT_A_NUMBER, NOT_A_NUMBER} };
|
|
unsigned_ranges IntersectRes = { { 0, 5 }, {6, 7} };
|
|
|
|
TestDiff(LHS, 1, RHS, 2, ExcludeRes, 0, IntersectRes, 2);
|
|
}
|
|
|
|
{
|
|
unsigned_ranges LHS = { { 17, 17 } };
|
|
unsigned_ranges RHS = { { 4, 4 } };
|
|
unsigned_ranges ExcludeRes = { {17, 17} };
|
|
unsigned_ranges IntersectRes = { { NOT_A_NUMBER, NOT_A_NUMBER } };
|
|
|
|
TestDiff(LHS, 1, RHS, 1, ExcludeRes, 1, IntersectRes, 0);
|
|
}
|
|
}
|
|
}
|