LLVM: include/llvm/Support/VersionTuple.h Source File (original) (raw)
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14#ifndef LLVM_SUPPORT_VERSIONTUPLE_H
15#define LLVM_SUPPORT_VERSIONTUPLE_H
16
20#include
21#include
22#include
23
24namespace llvm {
25template <typename HasherT, llvm::endianness Endianness> class HashBuilder;
28
29
31 unsigned Major : 32;
32
33 unsigned Minor : 31;
34 unsigned HasMinor : 1;
35
36 unsigned Subminor : 31;
37 unsigned HasSubminor : 1;
38
39 unsigned Build : 31;
40 unsigned HasBuild : 1;
41
42public:
44 : Major(0), Minor(0), HasMinor(false), Subminor(0), HasSubminor(false),
45 Build(0), HasBuild(false) {}
46
48 : Major(Major), Minor(0), HasMinor(false), Subminor(0),
49 HasSubminor(false), Build(0), HasBuild(false) {}
50
51 explicit constexpr VersionTuple(unsigned Major, unsigned Minor)
52 : Major(Major), Minor(Minor), HasMinor(true), Subminor(0),
53 HasSubminor(false), Build(0), HasBuild(false) {}
54
55 explicit constexpr VersionTuple(unsigned Major, unsigned Minor,
56 unsigned Subminor)
57 : Major(Major), Minor(Minor), HasMinor(true), Subminor(Subminor),
58 HasSubminor(true), Build(0), HasBuild(false) {}
59
60 explicit constexpr VersionTuple(unsigned Major, unsigned Minor,
61 unsigned Subminor, unsigned Build)
62 : Major(Major), Minor(Minor), HasMinor(true), Subminor(Subminor),
63 HasSubminor(true), Build(Build), HasBuild(true) {}
64
65
66
68 return Major == 0 && Minor == 0 && Subminor == 0 && Build == 0;
69 }
70
71
72 unsigned getMajor() const { return Major; }
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74
75 std::optional getMinor() const {
76 if (!HasMinor)
77 return std::nullopt;
78 return Minor;
79 }
80
81
83 if (!HasSubminor)
84 return std::nullopt;
85 return Subminor;
86 }
87
88
89 std::optional getBuild() const {
90 if (!HasBuild)
91 return std::nullopt;
92 return Build;
93 }
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95
97 if (HasBuild)
99 return *this;
100 }
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106
109 if (Result.Build == 0) {
110 Result.HasBuild = false;
111 if (Result.Subminor == 0) {
112 Result.HasSubminor = false;
113 if (Result.Minor == 0)
114 Result.HasMinor = false;
115 }
116 }
117 return Result;
118 }
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121
123 return X.Major == Y.Major && X.Minor == Y.Minor &&
124 X.Subminor == Y.Subminor && X.Build == Y.Build;
125 }
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130
133 }
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140 return std::tie(X.Major, X.Minor, X.Subminor, X.Build) <
141 std::tie(Y.Major, Y.Minor, Y.Subminor, Y.Build);
142 }
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159 }
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168 }
169
171 return hash_combine(VT.Major, VT.Minor, VT.Subminor, VT.Build);
172 }
173
174 template <typename HasherT, llvm::endianness Endianness>
177 HBuilder.add(VT.Major, VT.Minor, VT.Subminor, VT.Build);
178 }
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185
187};
188
189
190LLVM_ABI raw_ostream &operator<<(raw_ostream &Out, const VersionTuple &V);
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199 unsigned Result = Value.getMajor();
200 if (auto Minor = Value.getMinor())
202 if (auto Subminor = Value.getSubminor())
204 if (auto Build = Value.getBuild())
206
207 return Result;
208 }
209
213};
214
215}
216#endif
This file defines DenseMapInfo traits for DenseMap.
static TableGen::Emitter::Opt Y("gen-skeleton-entry", EmitSkeleton, "Generate example skeleton entry")
static TableGen::Emitter::OptClass< SkeletonEmitter > X("gen-skeleton-class", "Generate example skeleton class")
Interface to help hash various types through a hasher type.
std::enable_if_t< hashbuilder_detail::IsHashableData< T >::value, HashBuilder & > add(T Value)
Implement hashing for hashable data types, e.g. integral or enum values.
StringRef - Represent a constant reference to a string, i.e.
LLVM Value Representation.
Represents a version number in the form major[.minor[.subminor[.build]]].
Definition VersionTuple.h:30
constexpr VersionTuple(unsigned Major)
Definition VersionTuple.h:47
friend bool operator<=(const VersionTuple &X, const VersionTuple &Y)
Determine whether one version number precedes or is equivalent to another.
Definition VersionTuple.h:157
std::optional< unsigned > getBuild() const
Retrieve the build version number, if provided.
Definition VersionTuple.h:89
constexpr VersionTuple(unsigned Major, unsigned Minor, unsigned Subminor, unsigned Build)
Definition VersionTuple.h:60
constexpr VersionTuple(unsigned Major, unsigned Minor, unsigned Subminor)
Definition VersionTuple.h:55
friend bool operator!=(const VersionTuple &X, const VersionTuple &Y)
Determine if two version numbers are not equivalent.
Definition VersionTuple.h:131
friend bool operator<(const VersionTuple &X, const VersionTuple &Y)
Determine whether one version number precedes another.
Definition VersionTuple.h:139
friend bool operator>=(const VersionTuple &X, const VersionTuple &Y)
Determine whether one version number follows or is equivalent to another.
Definition VersionTuple.h:166
constexpr VersionTuple(unsigned Major, unsigned Minor)
Definition VersionTuple.h:51
unsigned getMajor() const
Retrieve the major version number.
Definition VersionTuple.h:72
friend hash_code hash_value(const VersionTuple &VT)
Definition VersionTuple.h:170
LLVM_ABI bool tryParse(StringRef string)
Try to parse the given string as a version number.
LLVM_ABI std::string getAsString() const
Retrieve a string representation of the version number.
LLVM_ABI VersionTuple withMajorReplaced(unsigned NewMajor) const
Return a version tuple that contains a different major version but everything else is the same.
VersionTuple normalize() const
Return a version tuple that contains only components that are non-zero.
Definition VersionTuple.h:107
std::optional< unsigned > getSubminor() const
Retrieve the subminor version number, if provided.
Definition VersionTuple.h:82
constexpr VersionTuple()
Definition VersionTuple.h:43
bool empty() const
Determine whether this version information is empty (e.g., all version components are zero).
Definition VersionTuple.h:67
VersionTuple withoutBuild() const
Return a version tuple that contains only the first 3 version components.
Definition VersionTuple.h:96
friend bool operator==(const VersionTuple &X, const VersionTuple &Y)
Determine if two version numbers are equivalent.
Definition VersionTuple.h:122
std::optional< unsigned > getMinor() const
Retrieve the minor version number, if provided.
Definition VersionTuple.h:75
friend bool operator>(const VersionTuple &X, const VersionTuple &Y)
Determine whether one version number follows another.
Definition VersionTuple.h:148
friend void addHash(HashBuilder< HasherT, Endianness > &HBuilder, const VersionTuple &VT)
Definition VersionTuple.h:175
An opaque object representing a hash code.
This class implements an extremely fast bulk output stream that can only output to a stream.
unsigned combineHashValue(unsigned a, unsigned b)
Simplistic combination of 32-bit hash values into 32-bit hash values.
This is an optimization pass for GlobalISel generic memory operations.
raw_ostream & operator<<(raw_ostream &OS, const APFixedPoint &FX)
hash_code hash_combine(const Ts &...args)
Combine values into a single hash_code.
static VersionTuple getEmptyKey()
Definition VersionTuple.h:194
static bool isEqual(const VersionTuple &LHS, const VersionTuple &RHS)
Definition VersionTuple.h:210
static VersionTuple getTombstoneKey()
Definition VersionTuple.h:195
static unsigned getHashValue(const VersionTuple &Value)
Definition VersionTuple.h:198
An information struct used to provide DenseMap with the various necessary components for a given valu...