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[clang][darwin] Add support for macOS -> Mac Catalyst

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version remapping to the Darwin SDK Info

Differential Revision: https://reviews.llvm.org/D105958
This commit is contained in:
Alex Lorenz 2021-07-13 21:49:56 -07:00
parent 8dc35a0179
commit e6cc4def5d
1 changed files with 38 additions and 0 deletions
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38
include/llvm/Support/VersionTuple.h
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@ -14,6 +14,7 @@
#ifndef LLVM_SUPPORT_VERSIONTUPLE_H
#define LLVM_SUPPORT_VERSIONTUPLE_H
#include "llvm/ADT/DenseMapInfo.h"
#include "llvm/ADT/Hashing.h"
#include "llvm/ADT/Optional.h"
#include <string>
@ -95,6 +96,20 @@ public:
return *this;
}
/// Return a version tuple that contains only components that are non-zero.
VersionTuple normalize() const {
VersionTuple Result = *this;
if (Result.Build == 0) {
Result.HasBuild = false;
if (Result.Subminor == 0) {
Result.HasSubminor = false;
if (Result.Minor == 0)
Result.HasMinor = false;
}
}
return Result;
}
/// Determine if two version numbers are equivalent. If not
/// provided, minor and subminor version numbers are considered to be zero.
friend bool operator==(const VersionTuple &X, const VersionTuple &Y) {
@ -161,5 +176,28 @@ public:
/// Print a version number.
raw_ostream &operator<<(raw_ostream &Out, const VersionTuple &V);
// Provide DenseMapInfo for version tuples.
template <> struct DenseMapInfo<VersionTuple> {
static inline VersionTuple getEmptyKey() { return VersionTuple(0x7FFFFFFF); }
static inline VersionTuple getTombstoneKey() {
return VersionTuple(0x7FFFFFFE);
}
static unsigned getHashValue(const VersionTuple &Value) {
unsigned Result = Value.getMajor();
if (auto Minor = Value.getMinor())
Result = detail::combineHashValue(Result, *Minor);
if (auto Subminor = Value.getSubminor())
Result = detail::combineHashValue(Result, *Subminor);
if (auto Build = Value.getBuild())
Result = detail::combineHashValue(Result, *Build);
return Result;
}
static bool isEqual(const VersionTuple &LHS, const VersionTuple &RHS) {
return LHS == RHS;
}
};
} // end namespace llvm
#endif // LLVM_SUPPORT_VERSIONTUPLE_H