forked from OSchip/llvm-project
68 lines
2.1 KiB
C++
68 lines
2.1 KiB
C++
#include "llvm/ADT/ArrayRef.h"
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#include "llvm/ADT/DenseMap.h"
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#include "llvm/ADT/Optional.h"
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#include "llvm/ADT/PointerIntPair.h"
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#include "llvm/ADT/PointerUnion.h"
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#include "llvm/ADT/SmallString.h"
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/ADT/StringMap.h"
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#include "llvm/ADT/Twine.h"
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#include "llvm/ADT/ilist.h"
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#include "llvm/Support/Error.h"
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int Array[] = {1, 2, 3};
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auto IntPtr = reinterpret_cast<int *>(0xabc);
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llvm::ArrayRef<int> ArrayRef(Array);
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llvm::MutableArrayRef<int> MutableArrayRef(Array);
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llvm::DenseMap<int, int> DenseMap = {{4, 5}, {6, 7}};
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llvm::StringMap<int> StringMap = {{"foo", 123}, {"bar", 456}};
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llvm::Expected<int> ExpectedValue(8);
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llvm::Expected<int> ExpectedError(llvm::createStringError({}, ""));
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llvm::Optional<int> OptionalValue(9);
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llvm::Optional<int> OptionalNone(llvm::None);
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llvm::SmallVector<int, 5> SmallVector = {10, 11, 12};
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llvm::SmallString<5> SmallString("foo");
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llvm::StringRef StringRef = "bar";
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llvm::Twine Twine = llvm::Twine(SmallString) + StringRef;
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llvm::PointerIntPair<int *, 1> PointerIntPair(IntPtr, 1);
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struct alignas(8) Z {};
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llvm::PointerUnion<Z *, int *> PointerUnion(IntPtr);
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// No members which instantiate PointerUnionUIntTraits<Z *> (e.g. get<T *>())
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// are called, and this instance will therefore be raw-printed.
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llvm::PointerUnion<Z *, float *> RawPrintingPointerUnion(nullptr);
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using IlistTag = llvm::ilist_tag<struct A>;
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using SimpleIlistTag = llvm::ilist_tag<struct B>;
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struct IlistNode : llvm::ilist_node<IlistNode, IlistTag>,
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llvm::ilist_node<IlistNode, SimpleIlistTag> {
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int Value;
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};
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auto Ilist = [] {
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llvm::ilist<IlistNode, IlistTag> Result;
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for (int I : {13, 14, 15}) {
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Result.push_back(new IlistNode);
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Result.back().Value = I;
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}
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return Result;
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}();
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auto SimpleIlist = []() {
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llvm::simple_ilist<IlistNode, SimpleIlistTag> Result;
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for (auto &Node : Ilist)
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Result.push_front(Node);
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return Result;
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}();
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int main() {
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// Reference symbols that might otherwise be stripped.
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ArrayRef[0];
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MutableArrayRef[0];
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(void)!ExpectedValue;
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(void)!ExpectedError;
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*OptionalValue;
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*OptionalNone;
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return 0;
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}
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