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-rw-r--r--gnu/llvm/unittests/Support/TrailingObjectsTest.cpp259
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diff --git a/gnu/llvm/unittests/Support/TrailingObjectsTest.cpp b/gnu/llvm/unittests/Support/TrailingObjectsTest.cpp
deleted file mode 100644
index 23acc54d237..00000000000
--- a/gnu/llvm/unittests/Support/TrailingObjectsTest.cpp
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@@ -1,259 +0,0 @@
-//=== - llvm/unittest/Support/TrailingObjectsTest.cpp ---------------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Support/TrailingObjects.h"
-#include "gtest/gtest.h"
-
-using namespace llvm;
-
-namespace {
-// This class, beyond being used by the test case, a nice
-// demonstration of the intended usage of TrailingObjects, with a
-// single trailing array.
-class Class1 final : protected TrailingObjects<Class1, short> {
- friend TrailingObjects;
-
- unsigned NumShorts;
-
-protected:
- size_t numTrailingObjects(OverloadToken<short>) const { return NumShorts; }
-
- Class1(int *ShortArray, unsigned NumShorts) : NumShorts(NumShorts) {
- std::uninitialized_copy(ShortArray, ShortArray + NumShorts,
- getTrailingObjects<short>());
- }
-
-public:
- static Class1 *create(int *ShortArray, unsigned NumShorts) {
- void *Mem = ::operator new(totalSizeToAlloc<short>(NumShorts));
- return new (Mem) Class1(ShortArray, NumShorts);
- }
- void operator delete(void *p) { ::operator delete(p); }
-
- short get(unsigned Num) const { return getTrailingObjects<short>()[Num]; }
-
- unsigned numShorts() const { return NumShorts; }
-
- // Pull some protected members in as public, for testability.
- template <typename... Ty>
- using FixedSizeStorage = TrailingObjects::FixedSizeStorage<Ty...>;
-
- using TrailingObjects::totalSizeToAlloc;
- using TrailingObjects::additionalSizeToAlloc;
- using TrailingObjects::getTrailingObjects;
-};
-
-// Here, there are two singular optional object types appended. Note
-// that the alignment of Class2 is automatically increased to account
-// for the alignment requirements of the trailing objects.
-class Class2 final : protected TrailingObjects<Class2, double, short> {
- friend TrailingObjects;
-
- bool HasShort, HasDouble;
-
-protected:
- size_t numTrailingObjects(OverloadToken<short>) const {
- return HasShort ? 1 : 0;
- }
- size_t numTrailingObjects(OverloadToken<double>) const {
- return HasDouble ? 1 : 0;
- }
-
- Class2(bool HasShort, bool HasDouble)
- : HasShort(HasShort), HasDouble(HasDouble) {}
-
-public:
- static Class2 *create(short S = 0, double D = 0.0) {
- bool HasShort = S != 0;
- bool HasDouble = D != 0.0;
-
- void *Mem =
- ::operator new(totalSizeToAlloc<double, short>(HasDouble, HasShort));
- Class2 *C = new (Mem) Class2(HasShort, HasDouble);
- if (HasShort)
- *C->getTrailingObjects<short>() = S;
- if (HasDouble)
- *C->getTrailingObjects<double>() = D;
- return C;
- }
- void operator delete(void *p) { ::operator delete(p); }
-
- short getShort() const {
- if (!HasShort)
- return 0;
- return *getTrailingObjects<short>();
- }
-
- double getDouble() const {
- if (!HasDouble)
- return 0.0;
- return *getTrailingObjects<double>();
- }
-
- // Pull some protected members in as public, for testability.
- template <typename... Ty>
- using FixedSizeStorage = TrailingObjects::FixedSizeStorage<Ty...>;
-
- using TrailingObjects::totalSizeToAlloc;
- using TrailingObjects::additionalSizeToAlloc;
- using TrailingObjects::getTrailingObjects;
-};
-
-TEST(TrailingObjects, OneArg) {
- int arr[] = {1, 2, 3};
- Class1 *C = Class1::create(arr, 3);
- EXPECT_EQ(sizeof(Class1), sizeof(unsigned));
- EXPECT_EQ(Class1::additionalSizeToAlloc<short>(1), sizeof(short));
- EXPECT_EQ(Class1::additionalSizeToAlloc<short>(3), sizeof(short) * 3);
-
- EXPECT_EQ(alignof(Class1),
- alignof(Class1::FixedSizeStorage<short>::with_counts<1>::type));
- EXPECT_EQ(sizeof(Class1::FixedSizeStorage<short>::with_counts<1>::type),
- llvm::alignTo(Class1::totalSizeToAlloc<short>(1), alignof(Class1)));
- EXPECT_EQ(Class1::totalSizeToAlloc<short>(1), sizeof(Class1) + sizeof(short));
-
- EXPECT_EQ(alignof(Class1),
- alignof(Class1::FixedSizeStorage<short>::with_counts<3>::type));
- EXPECT_EQ(sizeof(Class1::FixedSizeStorage<short>::with_counts<3>::type),
- llvm::alignTo(Class1::totalSizeToAlloc<short>(3), alignof(Class1)));
- EXPECT_EQ(Class1::totalSizeToAlloc<short>(3),
- sizeof(Class1) + sizeof(short) * 3);
-
- EXPECT_EQ(C->getTrailingObjects<short>(), reinterpret_cast<short *>(C + 1));
- EXPECT_EQ(C->get(0), 1);
- EXPECT_EQ(C->get(2), 3);
- delete C;
-}
-
-TEST(TrailingObjects, TwoArg) {
- Class2 *C1 = Class2::create(4);
- Class2 *C2 = Class2::create(0, 4.2);
-
- EXPECT_EQ(sizeof(Class2), llvm::alignTo(sizeof(bool) * 2, alignof(double)));
- EXPECT_EQ(alignof(Class2), alignof(double));
-
- EXPECT_EQ((Class2::additionalSizeToAlloc<double, short>(1, 0)),
- sizeof(double));
- EXPECT_EQ((Class2::additionalSizeToAlloc<double, short>(0, 1)),
- sizeof(short));
- EXPECT_EQ((Class2::additionalSizeToAlloc<double, short>(3, 1)),
- sizeof(double) * 3 + sizeof(short));
-
- EXPECT_EQ(
- alignof(Class2),
- (alignof(
- Class2::FixedSizeStorage<double, short>::with_counts<1, 1>::type)));
- EXPECT_EQ(
- sizeof(Class2::FixedSizeStorage<double, short>::with_counts<1, 1>::type),
- llvm::alignTo(Class2::totalSizeToAlloc<double, short>(1, 1),
- alignof(Class2)));
- EXPECT_EQ((Class2::totalSizeToAlloc<double, short>(1, 1)),
- sizeof(Class2) + sizeof(double) + sizeof(short));
-
- EXPECT_EQ(C1->getDouble(), 0);
- EXPECT_EQ(C1->getShort(), 4);
- EXPECT_EQ(C1->getTrailingObjects<double>(),
- reinterpret_cast<double *>(C1 + 1));
- EXPECT_EQ(C1->getTrailingObjects<short>(), reinterpret_cast<short *>(C1 + 1));
-
- EXPECT_EQ(C2->getDouble(), 4.2);
- EXPECT_EQ(C2->getShort(), 0);
- EXPECT_EQ(C2->getTrailingObjects<double>(),
- reinterpret_cast<double *>(C2 + 1));
- EXPECT_EQ(C2->getTrailingObjects<short>(),
- reinterpret_cast<short *>(reinterpret_cast<double *>(C2 + 1) + 1));
- delete C1;
- delete C2;
-}
-
-// This test class is not trying to be a usage demo, just asserting
-// that three args does actually work too (it's the same code as
-// handles the second arg, so it's basically covered by the above, but
-// just in case..)
-class Class3 final : public TrailingObjects<Class3, double, short, bool> {
- friend TrailingObjects;
-
- size_t numTrailingObjects(OverloadToken<double>) const { return 1; }
- size_t numTrailingObjects(OverloadToken<short>) const { return 1; }
-};
-
-TEST(TrailingObjects, ThreeArg) {
- EXPECT_EQ((Class3::additionalSizeToAlloc<double, short, bool>(1, 1, 3)),
- sizeof(double) + sizeof(short) + 3 * sizeof(bool));
- EXPECT_EQ(sizeof(Class3), llvm::alignTo(1, alignof(double)));
-
- EXPECT_EQ(
- alignof(Class3),
- (alignof(Class3::FixedSizeStorage<double, short,
- bool>::with_counts<1, 1, 3>::type)));
- EXPECT_EQ(
- sizeof(Class3::FixedSizeStorage<double, short,
- bool>::with_counts<1, 1, 3>::type),
- llvm::alignTo(Class3::totalSizeToAlloc<double, short, bool>(1, 1, 3),
- alignof(Class3)));
-
- std::unique_ptr<char[]> P(new char[1000]);
- Class3 *C = reinterpret_cast<Class3 *>(P.get());
- EXPECT_EQ(C->getTrailingObjects<double>(), reinterpret_cast<double *>(C + 1));
- EXPECT_EQ(C->getTrailingObjects<short>(),
- reinterpret_cast<short *>(reinterpret_cast<double *>(C + 1) + 1));
- EXPECT_EQ(
- C->getTrailingObjects<bool>(),
- reinterpret_cast<bool *>(
- reinterpret_cast<short *>(reinterpret_cast<double *>(C + 1) + 1) +
- 1));
-}
-
-class Class4 final : public TrailingObjects<Class4, char, long> {
- friend TrailingObjects;
- size_t numTrailingObjects(OverloadToken<char>) const { return 1; }
-};
-
-TEST(TrailingObjects, Realignment) {
- EXPECT_EQ((Class4::additionalSizeToAlloc<char, long>(1, 1)),
- llvm::alignTo(sizeof(long) + 1, alignof(long)));
- EXPECT_EQ(sizeof(Class4), llvm::alignTo(1, alignof(long)));
-
- EXPECT_EQ(
- alignof(Class4),
- (alignof(Class4::FixedSizeStorage<char, long>::with_counts<1, 1>::type)));
- EXPECT_EQ(
- sizeof(Class4::FixedSizeStorage<char, long>::with_counts<1, 1>::type),
- llvm::alignTo(Class4::totalSizeToAlloc<char, long>(1, 1),
- alignof(Class4)));
-
- std::unique_ptr<char[]> P(new char[1000]);
- Class4 *C = reinterpret_cast<Class4 *>(P.get());
- EXPECT_EQ(C->getTrailingObjects<char>(), reinterpret_cast<char *>(C + 1));
- EXPECT_EQ(C->getTrailingObjects<long>(),
- reinterpret_cast<long *>(llvm::alignAddr(
- reinterpret_cast<char *>(C + 1) + 1, alignof(long))));
-}
-}
-
-// Test the use of TrailingObjects with a template class. This
-// previously failed to compile due to a bug in MSVC's member access
-// control/lookup handling for OverloadToken.
-template <typename Derived>
-class Class5Tmpl : private llvm::TrailingObjects<Derived, float, int> {
- using TrailingObjects = typename llvm::TrailingObjects<Derived, float>;
- friend TrailingObjects;
-
- size_t numTrailingObjects(
- typename TrailingObjects::template OverloadToken<float>) const {
- return 1;
- }
-
- size_t numTrailingObjects(
- typename TrailingObjects::template OverloadToken<int>) const {
- return 2;
- }
-};
-
-class Class5 : public Class5Tmpl<Class5> {};