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Update LLVM libraries to 14.0.6 (#4350)

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The main noticeable change is the SmallString conversion operator to std::string is now explicit instead of implicit.
This commit is contained in:
Tyler Veness
2022-08-15 05:38:15 -07:00
committed by GitHub
parent c5db23f296
commit 0e0786331a
70 changed files with 1211 additions and 823 deletions
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99
wpiutil/src/main/native/thirdparty/llvm/include/wpi/PointerUnion.h vendored
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@@ -5,10 +5,11 @@
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file defines the PointerUnion class, which is a discriminated union of
// pointer types.
//
///
/// \file
/// This file defines the PointerUnion class, which is a discriminated union of
/// pointer types.
///
//===----------------------------------------------------------------------===//
#ifndef WPIUTIL_WPI_POINTERUNION_H
@@ -17,41 +18,58 @@
#include "wpi/DenseMapInfo.h"
#include "wpi/PointerIntPair.h"
#include "wpi/PointerLikeTypeTraits.h"
#include <algorithm>
#include <cassert>
#include <cstddef>
#include <cstdint>
#include <type_traits>
namespace wpi {
template <typename T> struct PointerUnionTypeSelectorReturn {
using Return = T;
};
namespace detail {
template <typename T, typename... Us> struct TypesAreDistinct;
template <typename T, typename... Us>
struct TypesAreDistinct
: std::integral_constant<bool, !std::disjunction_v<std::is_same<T, Us>...> &&
TypesAreDistinct<Us...>::value> {};
template <typename T> struct TypesAreDistinct<T> : std::true_type {};
} // namespace detail
/// Get a type based on whether two types are the same or not.
/// Determine if all types in Ts are distinct.
///
/// For:
/// Useful to statically assert when Ts is intended to describe a non-multi set
/// of types.
///
/// \code
/// using Ret = typename PointerUnionTypeSelector<T1, T2, EQ, NE>::Return;
/// \endcode
///
/// Ret will be EQ type if T1 is same as T2 or NE type otherwise.
template <typename T1, typename T2, typename RET_EQ, typename RET_NE>
struct PointerUnionTypeSelector {
using Return = typename PointerUnionTypeSelectorReturn<RET_NE>::Return;
};
/// Expensive (currently quadratic in sizeof(Ts...)), and so should only be
/// asserted once per instantiation of a type which requires it.
template <typename... Ts> struct TypesAreDistinct;
template <> struct TypesAreDistinct<> : std::true_type {};
template <typename... Ts>
struct TypesAreDistinct
: std::integral_constant<bool, detail::TypesAreDistinct<Ts...>::value> {};
template <typename T, typename RET_EQ, typename RET_NE>
struct PointerUnionTypeSelector<T, T, RET_EQ, RET_NE> {
using Return = typename PointerUnionTypeSelectorReturn<RET_EQ>::Return;
};
/// Find the first index where a type appears in a list of types.
///
/// FirstIndexOfType<T, Us...>::value is the first index of T in Us.
///
/// Typically only meaningful when it is otherwise statically known that the
/// type pack has no duplicate types. This should be guaranteed explicitly with
/// static_assert(TypesAreDistinct<Us...>::value).
///
/// It is a compile-time error to instantiate when T is not present in Us, i.e.
/// if is_one_of<T, Us...>::value is false.
template <typename T, typename... Us> struct FirstIndexOfType;
template <typename T, typename U, typename... Us>
struct FirstIndexOfType<T, U, Us...>
: std::integral_constant<size_t, 1 + FirstIndexOfType<T, Us...>::value> {};
template <typename T, typename... Us>
struct FirstIndexOfType<T, T, Us...> : std::integral_constant<size_t, 0> {};
template <typename T1, typename T2, typename RET_EQ, typename RET_NE>
struct PointerUnionTypeSelectorReturn<
PointerUnionTypeSelector<T1, T2, RET_EQ, RET_NE>> {
using Return =
typename PointerUnionTypeSelector<T1, T2, RET_EQ, RET_NE>::Return;
};
/// Find the type at a given index in a list of types.
///
/// TypeAtIndex<I, Ts...> is the type at index I in Ts.
template <size_t I, typename... Ts>
using TypeAtIndex = std::tuple_element_t<I, std::tuple<Ts...>>;
namespace pointer_union_detail {
/// Determine the number of bits required to store integers with values < n.
@@ -64,21 +82,6 @@ namespace pointer_union_detail {
return std::min<int>({PointerLikeTypeTraits<Ts>::NumLowBitsAvailable...});
}
/// Find the index of a type in a list of types. TypeIndex<T, Us...>::Index
/// is the index of T in Us, or sizeof...(Us) if T does not appear in the
/// list.
template <typename T, typename ...Us> struct TypeIndex;
template <typename T, typename ...Us> struct TypeIndex<T, T, Us...> {
static constexpr int Index = 0;
};
template <typename T, typename U, typename... Us>
struct TypeIndex<T, U, Us...> {
static constexpr int Index = 1 + TypeIndex<T, Us...>::Index;
};
template <typename T> struct TypeIndex<T> {
static constexpr int Index = 0;
};
/// Find the first type in a list of types.
template <typename T, typename...> struct GetFirstType {
using type = T;
@@ -145,6 +148,7 @@ namespace pointer_union_detail {
/// P = (float*)0;
/// Y = P.get<float*>(); // ok.
/// X = P.get<int*>(); // runtime assertion failure.
/// PointerUnion<int*, int*> Q; // compile time failure.
template <typename... PTs>
class PointerUnion
: public pointer_union_detail::PointerUnionMembers<
@@ -153,12 +157,14 @@ class PointerUnion
void *, pointer_union_detail::bitsRequired(sizeof...(PTs)), int,
pointer_union_detail::PointerUnionUIntTraits<PTs...>>,
0, PTs...> {
static_assert(TypesAreDistinct<PTs...>::value,
"PointerUnion alternative types cannot be repeated");
// The first type is special because we want to directly cast a pointer to a
// default-initialized union to a pointer to the first type. But we don't
// want PointerUnion to be a 'template <typename First, typename ...Rest>'
// because it's much more convenient to have a name for the whole pack. So
// split off the first type here.
using First = typename pointer_union_detail::GetFirstType<PTs...>::type;
using First = TypeAtIndex<0, PTs...>;
using Base = typename PointerUnion::PointerUnionMembers;
public:
@@ -175,10 +181,7 @@ public:
/// Test if the Union currently holds the type matching T.
template <typename T> bool is() const {
constexpr int Index = pointer_union_detail::TypeIndex<T, PTs...>::Index;
static_assert(Index < sizeof...(PTs),
"PointerUnion::is<T> given type not in the union");
return this->Val.getInt() == Index;
return this->Val.getInt() == FirstIndexOfType<T, PTs...>::value;
}
/// Returns the value of the specified pointer type.