72 lines · cpp
1#include "llvm/ADT/ArrayRef.h"2#include "llvm/ADT/DenseMap.h"3#include "llvm/ADT/PointerIntPair.h"4#include "llvm/ADT/PointerUnion.h"5#include "llvm/ADT/SmallString.h"6#include "llvm/ADT/SmallVector.h"7#include "llvm/ADT/StringMap.h"8#include "llvm/ADT/Twine.h"9#include "llvm/ADT/ilist.h"10#include "llvm/Support/Error.h"11#include <optional>12 13int Array[] = {1, 2, 3};14auto IntPtr = reinterpret_cast<int *>(0xabc);15 16llvm::ArrayRef<int> ArrayRef(Array);17llvm::MutableArrayRef<int> MutableArrayRef(Array);18llvm::DenseMap<int, int> DenseMap = {{4, 5}, {6, 7}};19llvm::StringMap<int> StringMap = {{"foo", 123}, {"bar", 456}};20llvm::Expected<int> ExpectedValue(8);21llvm::Expected<int> ExpectedError(llvm::createStringError(""));22llvm::SmallVector<int, 5> SmallVector = {10, 11, 12};23llvm::SmallString<5> SmallString("foo");24llvm::StringRef StringRef = "bar";25// Should test std::string in Twine too, but it's currently broken because I26// don't know how to add 'str' and 'gdb.LazyString' (can't figure out any way to27// string-ify LazyString).28std::string String = "foo";29llvm::Twine TempTwine = llvm::Twine(String) + StringRef;30llvm::Twine Twine = TempTwine + "baz";31llvm::PointerIntPair<int *, 1> PointerIntPair(IntPtr, 1);32 33struct alignas(8) Z {};34llvm::PointerUnion<Z *, int *> PointerUnion(IntPtr);35 36// No members which instantiate PointerUnionUIntTraits<Z *> (e.g. get<T *>())37// are called, and this instance will therefore be raw-printed.38llvm::PointerUnion<Z *, float *> RawPrintingPointerUnion(nullptr);39 40using IlistTag = llvm::ilist_tag<struct A>;41using SimpleIlistTag = llvm::ilist_tag<struct B>;42struct IlistNode : llvm::ilist_node<IlistNode, IlistTag>,43 llvm::ilist_node<IlistNode, SimpleIlistTag> {44 int Value;45};46auto Ilist = [] {47 llvm::ilist<IlistNode, IlistTag> Result;48 for (int I : {13, 14, 15}) {49 Result.push_back(new IlistNode);50 Result.back().Value = I;51 }52 return Result;53}();54auto SimpleIlist = []() {55 llvm::simple_ilist<IlistNode, SimpleIlistTag> Result;56 for (auto &Node : Ilist)57 Result.push_front(Node);58 return Result;59}();60 61int main() {62 std::uintptr_t result = 0;63 auto dont_strip = [&](const auto &val) {64 result += reinterpret_cast<std::uintptr_t>(&val);65 };66 dont_strip(ArrayRef);67 dont_strip(MutableArrayRef);68 dont_strip(ExpectedValue);69 dont_strip(ExpectedError);70 return result; // Non-zero return value is OK.71}72