[llvm] 5ed8f48 - [Support] Use "using" instead of "typedef" (NFC) (#166130)
via llvm-commits
llvm-commits at lists.llvm.org
Mon Nov 3 08:41:37 PST 2025
Author: Kazu Hirata
Date: 2025-11-03T08:41:32-08:00
New Revision: 5ed8f4847673f69dfe984a9ad653035a06e265bb
URL: https://github.com/llvm/llvm-project/commit/5ed8f4847673f69dfe984a9ad653035a06e265bb
DIFF: https://github.com/llvm/llvm-project/commit/5ed8f4847673f69dfe984a9ad653035a06e265bb.diff
LOG: [Support] Use "using" instead of "typedef" (NFC) (#166130)
Identified with modernize-use-using.
Added:
Modified:
llvm/include/llvm/Support/Allocator.h
llvm/include/llvm/Support/Atomic.h
llvm/include/llvm/Support/BinaryStreamArray.h
llvm/include/llvm/Support/Chrono.h
llvm/include/llvm/Support/ConvertUTF.h
llvm/include/llvm/Support/DebugCounter.h
llvm/include/llvm/Support/ErrorHandling.h
llvm/include/llvm/Support/FormatVariadicDetails.h
llvm/include/llvm/Support/GenericLoopInfo.h
llvm/include/llvm/Support/GenericLoopInfoImpl.h
llvm/include/llvm/Support/MD5.h
llvm/include/llvm/Support/Mutex.h
llvm/include/llvm/Support/OnDiskHashTable.h
llvm/include/llvm/Support/PointerLikeTypeTraits.h
llvm/include/llvm/Support/Program.h
llvm/include/llvm/Support/RISCVISAUtils.h
llvm/include/llvm/Support/RWMutex.h
llvm/include/llvm/Support/Registry.h
llvm/include/llvm/Support/ScaledNumber.h
llvm/include/llvm/Support/SuffixTree.h
llvm/include/llvm/Support/Threading.h
llvm/include/llvm/Support/TrailingObjects.h
llvm/include/llvm/Support/UnicodeCharRanges.h
llvm/include/llvm/Support/float128.h
llvm/include/llvm/Support/thread.h
llvm/lib/Support/BalancedPartitioning.cpp
llvm/lib/Support/CommandLine.cpp
llvm/lib/Support/DAGDeltaAlgorithm.cpp
llvm/lib/Support/DynamicLibrary.cpp
llvm/lib/Support/Timer.cpp
Removed:
################################################################################
diff --git a/llvm/include/llvm/Support/Allocator.h b/llvm/include/llvm/Support/Allocator.h
index bc0265904ef65..fffcbd9f3c1d8 100644
--- a/llvm/include/llvm/Support/Allocator.h
+++ b/llvm/include/llvm/Support/Allocator.h
@@ -380,7 +380,7 @@ class BumpPtrAllocatorImpl
/// The standard BumpPtrAllocator which just uses the default template
/// parameters.
-typedef BumpPtrAllocatorImpl<> BumpPtrAllocator;
+using BumpPtrAllocator = BumpPtrAllocatorImpl<>;
/// A BumpPtrAllocator that allows only elements of a specific type to be
/// allocated.
diff --git a/llvm/include/llvm/Support/Atomic.h b/llvm/include/llvm/Support/Atomic.h
index c2d9ae2da231c..3c62672a077f1 100644
--- a/llvm/include/llvm/Support/Atomic.h
+++ b/llvm/include/llvm/Support/Atomic.h
@@ -30,9 +30,9 @@ namespace llvm {
LLVM_ABI void MemoryFence();
#ifdef _MSC_VER
- typedef long cas_flag;
+ using cas_flag = long;
#else
- typedef uint32_t cas_flag;
+ using cas_flag = uint32_t;
#endif
LLVM_ABI cas_flag CompareAndSwap(volatile cas_flag *ptr, cas_flag new_value,
cas_flag old_value);
diff --git a/llvm/include/llvm/Support/BinaryStreamArray.h b/llvm/include/llvm/Support/BinaryStreamArray.h
index ef2233c53ec2c..a7d03f6511f12 100644
--- a/llvm/include/llvm/Support/BinaryStreamArray.h
+++ b/llvm/include/llvm/Support/BinaryStreamArray.h
@@ -93,7 +93,7 @@ class VarStreamArray {
friend class VarStreamArrayIterator<ValueType, Extractor>;
public:
- typedef VarStreamArrayIterator<ValueType, Extractor> Iterator;
+ using Iterator = VarStreamArrayIterator<ValueType, Extractor>;
VarStreamArray() = default;
@@ -156,8 +156,8 @@ template <typename ValueType, typename Extractor>
class VarStreamArrayIterator
: public iterator_facade_base<VarStreamArrayIterator<ValueType, Extractor>,
std::forward_iterator_tag, const ValueType> {
- typedef VarStreamArrayIterator<ValueType, Extractor> IterType;
- typedef VarStreamArray<ValueType, Extractor> ArrayType;
+ using IterType = VarStreamArrayIterator<ValueType, Extractor>;
+ using ArrayType = VarStreamArray<ValueType, Extractor>;
public:
VarStreamArrayIterator(const ArrayType &Array, const Extractor &E,
@@ -260,7 +260,7 @@ template <typename T> class FixedStreamArray {
friend class FixedStreamArrayIterator<T>;
public:
- typedef FixedStreamArrayIterator<T> Iterator;
+ using Iterator = FixedStreamArrayIterator<T>;
FixedStreamArray() = default;
explicit FixedStreamArray(BinaryStreamRef Stream) : Stream(Stream) {
diff --git a/llvm/include/llvm/Support/Chrono.h b/llvm/include/llvm/Support/Chrono.h
index 5b8102d8e11cf..e5f98249cc074 100644
--- a/llvm/include/llvm/Support/Chrono.h
+++ b/llvm/include/llvm/Support/Chrono.h
@@ -150,10 +150,10 @@ template <> struct unit<std::nano> {
template <typename Rep, typename Period>
struct format_provider<std::chrono::duration<Rep, Period>> {
private:
- typedef std::chrono::duration<Rep, Period> Dur;
- typedef std::conditional_t<std::chrono::treat_as_floating_point<Rep>::value,
- double, intmax_t>
- InternalRep;
+ using Dur = std::chrono::duration<Rep, Period>;
+ using InternalRep =
+ std::conditional_t<std::chrono::treat_as_floating_point<Rep>::value,
+ double, intmax_t>;
template <typename AsPeriod> static InternalRep getAs(const Dur &D) {
using namespace std::chrono;
diff --git a/llvm/include/llvm/Support/ConvertUTF.h b/llvm/include/llvm/Support/ConvertUTF.h
index bb1723518a490..ddf7057bff59d 100644
--- a/llvm/include/llvm/Support/ConvertUTF.h
+++ b/llvm/include/llvm/Support/ConvertUTF.h
@@ -126,10 +126,10 @@ namespace llvm {
bit mask & shift operations.
------------------------------------------------------------------------ */
-typedef unsigned int UTF32; /* at least 32 bits */
-typedef unsigned short UTF16; /* at least 16 bits */
-typedef unsigned char UTF8; /* typically 8 bits */
-typedef unsigned char Boolean; /* 0 or 1 */
+using UTF32 = unsigned int; /* at least 32 bits */
+using UTF16 = unsigned short; /* at least 16 bits */
+using UTF8 = unsigned char; /* typically 8 bits */
+using Boolean = unsigned char; /* 0 or 1 */
/* Some fundamental constants */
#define UNI_REPLACEMENT_CHAR (UTF32)0x0000FFFD
@@ -146,17 +146,14 @@ typedef unsigned char Boolean; /* 0 or 1 */
#define UNI_UTF32_BYTE_ORDER_MARK_NATIVE 0x0000FEFF
#define UNI_UTF32_BYTE_ORDER_MARK_SWAPPED 0xFFFE0000
-typedef enum {
- conversionOK, /* conversion successful */
- sourceExhausted, /* partial character in source, but hit end */
- targetExhausted, /* insuff. room in target for conversion */
- sourceIllegal /* source sequence is illegal/malformed */
-} ConversionResult;
-
-typedef enum {
- strictConversion = 0,
- lenientConversion
-} ConversionFlags;
+enum ConversionResult {
+ conversionOK, /* conversion successful */
+ sourceExhausted, /* partial character in source, but hit end */
+ targetExhausted, /* insuff. room in target for conversion */
+ sourceIllegal /* source sequence is illegal/malformed */
+};
+
+enum ConversionFlags { strictConversion = 0, lenientConversion };
LLVM_ABI ConversionResult ConvertUTF8toUTF16(const UTF8 **sourceStart,
const UTF8 *sourceEnd,
diff --git a/llvm/include/llvm/Support/DebugCounter.h b/llvm/include/llvm/Support/DebugCounter.h
index 39a08d499b67e..9904a0dd86559 100644
--- a/llvm/include/llvm/Support/DebugCounter.h
+++ b/llvm/include/llvm/Support/DebugCounter.h
@@ -140,7 +140,7 @@ class DebugCounter {
}
// Iterate through the registered counters
- typedef UniqueVector<std::string> CounterVector;
+ using CounterVector = UniqueVector<std::string>;
CounterVector::const_iterator begin() const {
return RegisteredCounters.begin();
}
diff --git a/llvm/include/llvm/Support/ErrorHandling.h b/llvm/include/llvm/Support/ErrorHandling.h
index 4c17b6e83acd2..a4fd008a9ff3f 100644
--- a/llvm/include/llvm/Support/ErrorHandling.h
+++ b/llvm/include/llvm/Support/ErrorHandling.h
@@ -21,8 +21,8 @@ class StringRef;
class Twine;
/// An error handler callback.
-typedef void (*fatal_error_handler_t)(void *user_data, const char *reason,
- bool gen_crash_diag);
+using fatal_error_handler_t = void (*)(void *user_data, const char *reason,
+ bool gen_crash_diag);
/// install_fatal_error_handler - Installs a new error handler to be used
/// whenever a serious (non-recoverable) error is encountered by LLVM.
diff --git a/llvm/include/llvm/Support/FormatVariadicDetails.h b/llvm/include/llvm/Support/FormatVariadicDetails.h
index 0fdc7b6f94da7..c0b245e297a58 100644
--- a/llvm/include/llvm/Support/FormatVariadicDetails.h
+++ b/llvm/include/llvm/Support/FormatVariadicDetails.h
@@ -63,8 +63,8 @@ template <typename T> class missing_format_adapter;
template <class T> class has_FormatProvider {
public:
using Decayed = std::decay_t<T>;
- typedef void (*Signature_format)(const Decayed &, llvm::raw_ostream &,
- StringRef);
+ using Signature_format = void (*)(const Decayed &, llvm::raw_ostream &,
+ StringRef);
template <typename U> using check = SameType<Signature_format, &U::format>;
diff --git a/llvm/include/llvm/Support/GenericLoopInfo.h b/llvm/include/llvm/Support/GenericLoopInfo.h
index b6bb360d9868f..9e2f61fd03e78 100644
--- a/llvm/include/llvm/Support/GenericLoopInfo.h
+++ b/llvm/include/llvm/Support/GenericLoopInfo.h
@@ -150,9 +150,9 @@ template <class BlockT, class LoopT> class LoopBase {
assert(!isInvalid() && "Loop not in a valid state!");
return SubLoops;
}
- typedef typename std::vector<LoopT *>::const_iterator iterator;
- typedef
- typename std::vector<LoopT *>::const_reverse_iterator reverse_iterator;
+ using iterator = typename std::vector<LoopT *>::const_iterator;
+ using reverse_iterator =
+ typename std::vector<LoopT *>::const_reverse_iterator;
iterator begin() const { return getSubLoops().begin(); }
iterator end() const { return getSubLoops().end(); }
reverse_iterator rbegin() const { return getSubLoops().rbegin(); }
@@ -174,7 +174,7 @@ template <class BlockT, class LoopT> class LoopBase {
assert(!isInvalid() && "Loop not in a valid state!");
return Blocks;
}
- typedef typename ArrayRef<BlockT *>::const_iterator block_iterator;
+ using block_iterator = typename ArrayRef<BlockT *>::const_iterator;
block_iterator block_begin() const { return getBlocks().begin(); }
block_iterator block_end() const { return getBlocks().end(); }
inline iterator_range<block_iterator> blocks() const {
@@ -302,7 +302,7 @@ template <class BlockT, class LoopT> class LoopBase {
bool hasNoExitBlocks() const;
/// Edge type.
- typedef std::pair<BlockT *, BlockT *> Edge;
+ using Edge = std::pair<BlockT *, BlockT *>;
/// Return all pairs of (_inside_block_,_outside_block_).
void getExitEdges(SmallVectorImpl<Edge> &ExitEdges) const;
@@ -575,9 +575,9 @@ template <class BlockT, class LoopT> class LoopInfoBase {
/// iterator/begin/end - The interface to the top-level loops in the current
/// function.
///
- typedef typename std::vector<LoopT *>::const_iterator iterator;
- typedef
- typename std::vector<LoopT *>::const_reverse_iterator reverse_iterator;
+ using iterator = typename std::vector<LoopT *>::const_iterator;
+ using reverse_iterator =
+ typename std::vector<LoopT *>::const_reverse_iterator;
iterator begin() const { return TopLevelLoops.begin(); }
iterator end() const { return TopLevelLoops.end(); }
reverse_iterator rbegin() const { return TopLevelLoops.rbegin(); }
diff --git a/llvm/include/llvm/Support/GenericLoopInfoImpl.h b/llvm/include/llvm/Support/GenericLoopInfoImpl.h
index 541678001a8ff..c830f0a67a448 100644
--- a/llvm/include/llvm/Support/GenericLoopInfoImpl.h
+++ b/llvm/include/llvm/Support/GenericLoopInfoImpl.h
@@ -459,7 +459,7 @@ template <class BlockT, class LoopT>
static void discoverAndMapSubloop(LoopT *L, ArrayRef<BlockT *> Backedges,
LoopInfoBase<BlockT, LoopT> *LI,
const DomTreeBase<BlockT> &DomTree) {
- typedef GraphTraits<Inverse<BlockT *>> InvBlockTraits;
+ using InvBlockTraits = GraphTraits<Inverse<BlockT *>>;
unsigned NumBlocks = 0;
unsigned NumSubloops = 0;
@@ -513,8 +513,8 @@ static void discoverAndMapSubloop(LoopT *L, ArrayRef<BlockT *> Backedges,
/// Populate all loop data in a stable order during a single forward DFS.
template <class BlockT, class LoopT> class PopulateLoopsDFS {
- typedef GraphTraits<BlockT *> BlockTraits;
- typedef typename BlockTraits::ChildIteratorType SuccIterTy;
+ using BlockTraits = GraphTraits<BlockT *>;
+ using SuccIterTy = typename BlockTraits::ChildIteratorType;
LoopInfoBase<BlockT, LoopT> *LI;
diff --git a/llvm/include/llvm/Support/MD5.h b/llvm/include/llvm/Support/MD5.h
index 4ba386753f397..dbcb66d7680e4 100644
--- a/llvm/include/llvm/Support/MD5.h
+++ b/llvm/include/llvm/Support/MD5.h
@@ -90,7 +90,7 @@ class MD5 {
private:
// Any 32-bit or wider unsigned integer data type will do.
- typedef uint32_t MD5_u32plus;
+ using MD5_u32plus = uint32_t;
// Internal State
struct {
diff --git a/llvm/include/llvm/Support/Mutex.h b/llvm/include/llvm/Support/Mutex.h
index d61e3fd96efbe..3ca5c9a2f6be8 100644
--- a/llvm/include/llvm/Support/Mutex.h
+++ b/llvm/include/llvm/Support/Mutex.h
@@ -63,12 +63,12 @@ namespace llvm
};
/// Mutex - A standard, always enforced mutex.
- typedef SmartMutex<false> Mutex;
+ using Mutex = SmartMutex<false>;
template <bool mt_only>
using SmartScopedLock = std::lock_guard<SmartMutex<mt_only>>;
- typedef SmartScopedLock<false> ScopedLock;
+ using ScopedLock = SmartScopedLock<false>;
}
}
diff --git a/llvm/include/llvm/Support/OnDiskHashTable.h b/llvm/include/llvm/Support/OnDiskHashTable.h
index d7d72cfbbc649..54c6b713478b9 100644
--- a/llvm/include/llvm/Support/OnDiskHashTable.h
+++ b/llvm/include/llvm/Support/OnDiskHashTable.h
@@ -69,7 +69,7 @@ template <typename Info> class OnDiskChainedHashTableGenerator {
: Key(Key), Data(Data), Next(nullptr), Hash(InfoObj.ComputeHash(Key)) {}
};
- typedef typename Info::offset_type offset_type;
+ using offset_type = typename Info::offset_type;
offset_type NumBuckets;
offset_type NumEntries;
llvm::SpecificBumpPtrAllocator<Item> BA;
@@ -278,12 +278,12 @@ template <typename Info> class OnDiskChainedHashTable {
Info InfoObj;
public:
- typedef Info InfoType;
- typedef typename Info::internal_key_type internal_key_type;
- typedef typename Info::external_key_type external_key_type;
- typedef typename Info::data_type data_type;
- typedef typename Info::hash_value_type hash_value_type;
- typedef typename Info::offset_type offset_type;
+ using InfoType = Info;
+ using internal_key_type = typename Info::internal_key_type;
+ using external_key_type = typename Info::external_key_type;
+ using data_type = typename Info::data_type;
+ using hash_value_type = typename Info::hash_value_type;
+ using offset_type = typename Info::offset_type;
OnDiskChainedHashTable(offset_type NumBuckets, offset_type NumEntries,
const unsigned char *Buckets,
@@ -435,12 +435,12 @@ class OnDiskIterableChainedHashTable : public OnDiskChainedHashTable<Info> {
const unsigned char *Payload;
public:
- typedef OnDiskChainedHashTable<Info> base_type;
- typedef typename base_type::internal_key_type internal_key_type;
- typedef typename base_type::external_key_type external_key_type;
- typedef typename base_type::data_type data_type;
- typedef typename base_type::hash_value_type hash_value_type;
- typedef typename base_type::offset_type offset_type;
+ using base_type = OnDiskChainedHashTable<Info>;
+ using internal_key_type = typename base_type::internal_key_type;
+ using external_key_type = typename base_type::external_key_type;
+ using data_type = typename base_type::data_type;
+ using hash_value_type = typename base_type::hash_value_type;
+ using offset_type = typename base_type::offset_type;
private:
/// Iterates over all of the keys in the table.
@@ -450,7 +450,7 @@ class OnDiskIterableChainedHashTable : public OnDiskChainedHashTable<Info> {
offset_type NumEntriesLeft;
public:
- typedef external_key_type value_type;
+ using value_type = external_key_type;
iterator_base(const unsigned char *const Ptr, offset_type NumEntries)
: Ptr(Ptr), NumItemsInBucketLeft(0), NumEntriesLeft(NumEntries) {}
@@ -505,7 +505,7 @@ class OnDiskIterableChainedHashTable : public OnDiskChainedHashTable<Info> {
Info *InfoObj;
public:
- typedef external_key_type value_type;
+ using value_type = external_key_type;
key_iterator(const unsigned char *const Ptr, offset_type NumEntries,
Info *InfoObj)
@@ -551,7 +551,7 @@ class OnDiskIterableChainedHashTable : public OnDiskChainedHashTable<Info> {
Info *InfoObj;
public:
- typedef data_type value_type;
+ using value_type = data_type;
data_iterator(const unsigned char *const Ptr, offset_type NumEntries,
Info *InfoObj)
diff --git a/llvm/include/llvm/Support/PointerLikeTypeTraits.h b/llvm/include/llvm/Support/PointerLikeTypeTraits.h
index 320f6b63b447e..a47d68406acf3 100644
--- a/llvm/include/llvm/Support/PointerLikeTypeTraits.h
+++ b/llvm/include/llvm/Support/PointerLikeTypeTraits.h
@@ -70,7 +70,7 @@ template <> struct PointerLikeTypeTraits<void *> {
// Provide PointerLikeTypeTraits for const things.
template <typename T> struct PointerLikeTypeTraits<const T> {
- typedef PointerLikeTypeTraits<T> NonConst;
+ using NonConst = PointerLikeTypeTraits<T>;
static inline const void *getAsVoidPointer(const T P) {
return NonConst::getAsVoidPointer(P);
@@ -83,7 +83,7 @@ template <typename T> struct PointerLikeTypeTraits<const T> {
// Provide PointerLikeTypeTraits for const pointers.
template <typename T> struct PointerLikeTypeTraits<const T *> {
- typedef PointerLikeTypeTraits<T *> NonConst;
+ using NonConst = PointerLikeTypeTraits<T *>;
static inline const void *getAsVoidPointer(const T *P) {
return NonConst::getAsVoidPointer(const_cast<T *>(P));
diff --git a/llvm/include/llvm/Support/Program.h b/llvm/include/llvm/Support/Program.h
index 53c2e7597b2b4..575e416587ea8 100644
--- a/llvm/include/llvm/Support/Program.h
+++ b/llvm/include/llvm/Support/Program.h
@@ -39,8 +39,8 @@ const char EnvPathSeparator = ';';
typedef unsigned long procid_t; // Must match the type of DWORD on Windows.
typedef void *process_t; // Must match the type of HANDLE on Windows.
#else
-typedef ::pid_t procid_t;
-typedef procid_t process_t;
+using procid_t = ::pid_t;
+using process_t = procid_t;
#endif
/// This struct encapsulates information about a process.
diff --git a/llvm/include/llvm/Support/RISCVISAUtils.h b/llvm/include/llvm/Support/RISCVISAUtils.h
index 165bb08d66431..05fd32e0e7cfe 100644
--- a/llvm/include/llvm/Support/RISCVISAUtils.h
+++ b/llvm/include/llvm/Support/RISCVISAUtils.h
@@ -40,8 +40,8 @@ struct ExtensionComparator {
/// OrderedExtensionMap is std::map, it's specialized to keep entries
/// in canonical order of extension.
-typedef std::map<std::string, ExtensionVersion, ExtensionComparator>
- OrderedExtensionMap;
+using OrderedExtensionMap =
+ std::map<std::string, ExtensionVersion, ExtensionComparator>;
} // namespace RISCVISAUtils
diff --git a/llvm/include/llvm/Support/RWMutex.h b/llvm/include/llvm/Support/RWMutex.h
index 8d221aaab9ab9..efc1ca19a1208 100644
--- a/llvm/include/llvm/Support/RWMutex.h
+++ b/llvm/include/llvm/Support/RWMutex.h
@@ -162,7 +162,7 @@ template <bool mt_only> class SmartRWMutex {
bool try_lock() { return impl.try_lock(); }
};
-typedef SmartRWMutex<false> RWMutex;
+using RWMutex = SmartRWMutex<false>;
/// ScopedReader - RAII acquisition of a reader lock
#if !defined(LLVM_USE_RW_MUTEX_IMPL)
@@ -179,7 +179,7 @@ template <bool mt_only> struct SmartScopedReader {
~SmartScopedReader() { mutex.unlock_shared(); }
};
#endif
-typedef SmartScopedReader<false> ScopedReader;
+using ScopedReader = SmartScopedReader<false>;
/// ScopedWriter - RAII acquisition of a writer lock
#if !defined(LLVM_USE_RW_MUTEX_IMPL)
@@ -196,7 +196,7 @@ template <bool mt_only> struct SmartScopedWriter {
~SmartScopedWriter() { mutex.unlock(); }
};
#endif
-typedef SmartScopedWriter<false> ScopedWriter;
+using ScopedWriter = SmartScopedWriter<false>;
} // end namespace sys
} // end namespace llvm
diff --git a/llvm/include/llvm/Support/Registry.h b/llvm/include/llvm/Support/Registry.h
index c02f15e5e32b8..acd3b06fde6e7 100644
--- a/llvm/include/llvm/Support/Registry.h
+++ b/llvm/include/llvm/Support/Registry.h
@@ -43,8 +43,8 @@ namespace llvm {
template <typename T>
class Registry {
public:
- typedef T type;
- typedef SimpleRegistryEntry<T> entry;
+ using type = T;
+ using entry = SimpleRegistryEntry<T>;
class node;
class iterator;
diff --git a/llvm/include/llvm/Support/ScaledNumber.h b/llvm/include/llvm/Support/ScaledNumber.h
index 07baf153e10c6..8ca8d457e339e 100644
--- a/llvm/include/llvm/Support/ScaledNumber.h
+++ b/llvm/include/llvm/Support/ScaledNumber.h
@@ -498,10 +498,10 @@ template <class DigitsT> class ScaledNumber : ScaledNumberBase {
static_assert(!std::numeric_limits<DigitsT>::is_signed,
"only unsigned floats supported");
- typedef DigitsT DigitsType;
+ using DigitsType = DigitsT;
private:
- typedef std::numeric_limits<DigitsType> DigitsLimits;
+ using DigitsLimits = std::numeric_limits<DigitsType>;
static constexpr int Width = sizeof(DigitsType) * 8;
static_assert(Width <= 64, "invalid integer width for digits");
@@ -782,7 +782,7 @@ uint64_t ScaledNumber<DigitsT>::scale(uint64_t N) const {
template <class DigitsT>
template <class IntT>
IntT ScaledNumber<DigitsT>::toInt() const {
- typedef std::numeric_limits<IntT> Limits;
+ using Limits = std::numeric_limits<IntT>;
if (*this < 1)
return 0;
if (*this >= Limits::max())
diff --git a/llvm/include/llvm/Support/SuffixTree.h b/llvm/include/llvm/Support/SuffixTree.h
index 4c78235abf508..eac66d84d6f63 100644
--- a/llvm/include/llvm/Support/SuffixTree.h
+++ b/llvm/include/llvm/Support/SuffixTree.h
@@ -219,7 +219,7 @@ class SuffixTree {
}
};
- typedef RepeatedSubstringIterator iterator;
+ using iterator = RepeatedSubstringIterator;
iterator begin() { return iterator(Root, LeafNodes); }
iterator end() { return iterator(nullptr); }
};
diff --git a/llvm/include/llvm/Support/Threading.h b/llvm/include/llvm/Support/Threading.h
index 88846807f111a..89d90b3438e92 100644
--- a/llvm/include/llvm/Support/Threading.h
+++ b/llvm/include/llvm/Support/Threading.h
@@ -53,7 +53,7 @@ constexpr bool llvm_is_multithreaded() { return LLVM_ENABLE_THREADS; }
#if LLVM_THREADING_USE_STD_CALL_ONCE
- typedef std::once_flag once_flag;
+using once_flag = std::once_flag;
#else
diff --git a/llvm/include/llvm/Support/TrailingObjects.h b/llvm/include/llvm/Support/TrailingObjects.h
index c47976524dcd9..218c2e336d77b 100644
--- a/llvm/include/llvm/Support/TrailingObjects.h
+++ b/llvm/include/llvm/Support/TrailingObjects.h
@@ -76,7 +76,7 @@ class TrailingObjectsBase {
// number of a
diff erent type. e.g.:
// ExtractSecondType<Foo..., int>::type
template <typename Ty1, typename Ty2> struct ExtractSecondType {
- typedef Ty2 type;
+ using type = Ty2;
};
// TrailingObjectsImpl is somewhat complicated, because it is a
@@ -101,8 +101,8 @@ class TrailingObjectsImpl<Align, BaseTy, TopTrailingObj, PrevTy, NextTy,
: public TrailingObjectsImpl<Align, BaseTy, TopTrailingObj, NextTy,
MoreTys...> {
- typedef TrailingObjectsImpl<Align, BaseTy, TopTrailingObj, NextTy, MoreTys...>
- ParentType;
+ using ParentType =
+ TrailingObjectsImpl<Align, BaseTy, TopTrailingObj, NextTy, MoreTys...>;
struct RequiresRealignment {
static const bool value = alignof(PrevTy) < alignof(NextTy);
diff --git a/llvm/include/llvm/Support/UnicodeCharRanges.h b/llvm/include/llvm/Support/UnicodeCharRanges.h
index 7f1a9b3ff0c3b..2b5fc83d34690 100644
--- a/llvm/include/llvm/Support/UnicodeCharRanges.h
+++ b/llvm/include/llvm/Support/UnicodeCharRanges.h
@@ -37,7 +37,7 @@ inline bool operator<(UnicodeCharRange Range, uint32_t Value) {
/// array.
class UnicodeCharSet {
public:
- typedef ArrayRef<UnicodeCharRange> CharRanges;
+ using CharRanges = ArrayRef<UnicodeCharRange>;
/// Constructs a UnicodeCharSet instance from an array of
/// UnicodeCharRanges.
diff --git a/llvm/include/llvm/Support/float128.h b/llvm/include/llvm/Support/float128.h
index e15a98dc5a677..ffad1241c3e3d 100644
--- a/llvm/include/llvm/Support/float128.h
+++ b/llvm/include/llvm/Support/float128.h
@@ -14,7 +14,7 @@ namespace llvm {
#if defined(__clang__) && defined(__FLOAT128__) && \
defined(__SIZEOF_INT128__) && !defined(__LONG_DOUBLE_IBM128__)
#define HAS_IEE754_FLOAT128
-typedef __float128 float128;
+using float128 = __float128;
#elif defined(__FLOAT128__) && defined(__SIZEOF_INT128__) && \
!defined(__LONG_DOUBLE_IBM128__) && \
(defined(__GNUC__) || defined(__GNUG__))
diff --git a/llvm/include/llvm/Support/thread.h b/llvm/include/llvm/Support/thread.h
index 16e322bfd8785..ecde62d8368e7 100644
--- a/llvm/include/llvm/Support/thread.h
+++ b/llvm/include/llvm/Support/thread.h
@@ -127,7 +127,7 @@ LLVM_ABI thread::id llvm_thread_get_current_id_impl();
template <class Function, class... Args>
thread::thread(std::optional<unsigned> StackSizeInBytes, Function &&f,
Args &&...args) {
- typedef std::tuple<std::decay_t<Function>, std::decay_t<Args>...> CalleeTuple;
+ using CalleeTuple = std::tuple<std::decay_t<Function>, std::decay_t<Args>...>;
std::unique_ptr<CalleeTuple> Callee(
new CalleeTuple(std::forward<Function>(f), std::forward<Args>(args)...));
diff --git a/llvm/lib/Support/BalancedPartitioning.cpp b/llvm/lib/Support/BalancedPartitioning.cpp
index 1914f4cc39d96..d859abddbcad8 100644
--- a/llvm/lib/Support/BalancedPartitioning.cpp
+++ b/llvm/lib/Support/BalancedPartitioning.cpp
@@ -231,7 +231,7 @@ unsigned BalancedPartitioning::runIteration(const FunctionNodeRange Nodes,
}
// Compute move gains
- typedef std::pair<float, BPFunctionNode *> GainPair;
+ using GainPair = std::pair<float, BPFunctionNode *>;
std::vector<GainPair> Gains;
for (auto &N : Nodes) {
bool FromLeftToRight = (N.Bucket == LeftBucket);
diff --git a/llvm/lib/Support/CommandLine.cpp b/llvm/lib/Support/CommandLine.cpp
index de5bd795403dc..dab8beeff7ca5 100644
--- a/llvm/lib/Support/CommandLine.cpp
+++ b/llvm/lib/Support/CommandLine.cpp
@@ -2343,10 +2343,10 @@ namespace {
class HelpPrinter {
protected:
const bool ShowHidden;
- typedef SmallVector<std::pair<const char *, Option *>, 128>
- StrOptionPairVector;
- typedef SmallVector<std::pair<const char *, SubCommand *>, 128>
- StrSubCommandPairVector;
+ using StrOptionPairVector =
+ SmallVector<std::pair<const char *, Option *>, 128>;
+ using StrSubCommandPairVector =
+ SmallVector<std::pair<const char *, SubCommand *>, 128>;
// Print the options. Opts is assumed to be alphabetically sorted.
virtual void printOptions(StrOptionPairVector &Opts, size_t MaxArgLen) {
for (const auto &Opt : Opts)
diff --git a/llvm/lib/Support/DAGDeltaAlgorithm.cpp b/llvm/lib/Support/DAGDeltaAlgorithm.cpp
index 981536473d124..3bfae147d18c0 100644
--- a/llvm/lib/Support/DAGDeltaAlgorithm.cpp
+++ b/llvm/lib/Support/DAGDeltaAlgorithm.cpp
@@ -47,16 +47,16 @@ class DAGDeltaAlgorithmImpl {
friend class DeltaActiveSetHelper;
public:
- typedef DAGDeltaAlgorithm::change_ty change_ty;
- typedef DAGDeltaAlgorithm::changeset_ty changeset_ty;
- typedef DAGDeltaAlgorithm::changesetlist_ty changesetlist_ty;
- typedef DAGDeltaAlgorithm::edge_ty edge_ty;
+ using change_ty = DAGDeltaAlgorithm::change_ty;
+ using changeset_ty = DAGDeltaAlgorithm::changeset_ty;
+ using changesetlist_ty = DAGDeltaAlgorithm::changesetlist_ty;
+ using edge_ty = DAGDeltaAlgorithm::edge_ty;
private:
- typedef std::vector<change_ty>::iterator pred_iterator_ty;
- typedef std::vector<change_ty>::iterator succ_iterator_ty;
- typedef std::set<change_ty>::iterator pred_closure_iterator_ty;
- typedef std::set<change_ty>::iterator succ_closure_iterator_ty;
+ using pred_iterator_ty = std::vector<change_ty>::iterator;
+ using succ_iterator_ty = std::vector<change_ty>::iterator;
+ using pred_closure_iterator_ty = std::set<change_ty>::iterator;
+ using succ_closure_iterator_ty = std::set<change_ty>::iterator;
DAGDeltaAlgorithm &DDA;
diff --git a/llvm/lib/Support/DynamicLibrary.cpp b/llvm/lib/Support/DynamicLibrary.cpp
index f1c15c00cedea..61566d3722419 100644
--- a/llvm/lib/Support/DynamicLibrary.cpp
+++ b/llvm/lib/Support/DynamicLibrary.cpp
@@ -23,7 +23,7 @@ using namespace llvm::sys;
// All methods for HandleSet should be used holding SymbolsMutex.
class DynamicLibrary::HandleSet {
- typedef std::vector<void *> HandleList;
+ using HandleList = std::vector<void *>;
HandleList Handles;
void *Process = &Invalid;
diff --git a/llvm/lib/Support/Timer.cpp b/llvm/lib/Support/Timer.cpp
index 9d45096dddd97..b08f5083e00a8 100644
--- a/llvm/lib/Support/Timer.cpp
+++ b/llvm/lib/Support/Timer.cpp
@@ -207,7 +207,7 @@ void TimeRecord::print(const TimeRecord &Total, raw_ostream &OS) const {
namespace {
-typedef StringMap<Timer> Name2TimerMap;
+using Name2TimerMap = StringMap<Timer>;
class Name2PairMap {
StringMap<std::pair<TimerGroup*, Name2TimerMap> > Map;
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