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(Fmt: ""));
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 I
26// don't know how to add 'str' and 'gdb.LazyString' (can't figure out any way to
27// 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(val: 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

source code of cross-project-tests/debuginfo-tests/llvm-prettyprinters/gdb/llvm-support.cpp