[Support] Remove unused includes (NFC) (#116752)

Identified with misc-include-cleaner.

llvm/lib/Support/ARMBuildAttrs.cpp

@@ -7,10 +7,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Support/ARMBuildAttributes.h"
-#include "llvm/ADT/Twine.h"
-#include "llvm/Support/LEB128.h"
-#include <iomanip>
-#include <sstream>
 
 using namespace llvm;
 

llvm/lib/Support/ConvertUTFWrapper.cpp

@@ -10,7 +10,6 @@
 #include "llvm/ADT/StringRef.h"
 #include "llvm/Support/ConvertUTF.h"
 #include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/SwapByteOrder.h"
 #include <string>
 #include <vector>
 

llvm/lib/Support/DAGDeltaAlgorithm.cpp

@@ -35,7 +35,6 @@
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/Format.h"
 #include "llvm/Support/raw_ostream.h"
-#include <algorithm>
 #include <cassert>
 #include <map>
 using namespace llvm;

llvm/lib/Support/InitLLVM.cpp

@@ -8,13 +8,10 @@
 
 #include "llvm/Support/InitLLVM.h"
 #include "llvm/ADT/StringRef.h"
-#include "llvm/Support/AutoConvert.h"
 #include "llvm/Support/Error.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/ManagedStatic.h"
-#include "llvm/Support/PrettyStackTrace.h"
 #include "llvm/Support/Signals.h"
-#include "llvm/Support/SwapByteOrder.h"
 
 #ifdef _WIN32
 #include "llvm/Support/Windows/WindowsSupport.h"

llvm/lib/Support/LockFileManager.cpp

@@ -25,7 +25,6 @@
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <system_error>
-#include <thread>
 #include <tuple>
 
 #ifdef _WIN32

llvm/lib/Support/MSP430AttributeParser.cpp

@@ -8,7 +8,6 @@
 
 #include "llvm/Support/MSP430AttributeParser.h"
 #include "llvm/ADT/ArrayRef.h"
-#include "llvm/Support/ErrorHandling.h"
 
 using namespace llvm;
 using namespace llvm::MSP430Attrs;

llvm/lib/Support/MemoryBuffer.cpp

@@ -19,7 +19,6 @@
 #include "llvm/Support/Error.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/FileSystem.h"
-#include "llvm/Support/MathExtras.h"
 #include "llvm/Support/Process.h"
 #include "llvm/Support/Program.h"
 #include "llvm/Support/SmallVectorMemoryBuffer.h"

llvm/lib/Support/NativeFormatting.cpp

@@ -11,7 +11,6 @@
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/Support/Format.h"
-#include "llvm/Support/MathExtras.h"
 #include "llvm/Support/raw_ostream.h"
 
 #include <cmath>

llvm/lib/Support/Path.cpp

@@ -16,7 +16,6 @@
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/Config/config.h"
 #include "llvm/Config/llvm-config.h"
-#include "llvm/Support/Endian.h"
 #include "llvm/Support/Errc.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/FileSystem.h"

llvm/lib/Support/Process.cpp

@@ -18,7 +18,6 @@
 #include "llvm/Support/CrashRecoveryContext.h"
 #include "llvm/Support/FileSystem.h"
 #include "llvm/Support/Path.h"
-#include "llvm/Support/Program.h"
 
 #include <optional>
 #include <stdlib.h> // for _Exit

llvm/lib/Support/RWMutex.cpp

@@ -13,7 +13,6 @@
 #include "llvm/Support/RWMutex.h"
 #include "llvm/Config/config.h"
 #include "llvm/Config/llvm-config.h" // for LLVM_ENABLE_THREADS
-#include "llvm/Support/Allocator.h"
 
 #if defined(LLVM_USE_RW_MUTEX_IMPL)
 using namespace llvm;

llvm/lib/Support/SuffixTreeNode.cpp

@@ -12,7 +12,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Support/SuffixTreeNode.h"
-#include "llvm/Support/Casting.h"
 
 using namespace llvm;
 

llvm/lib/Support/Threading.cpp

@@ -16,10 +16,8 @@
 #include "llvm/Config/llvm-config.h"
 
 #include <cassert>
-#include <errno.h>
 #include <optional>
 #include <stdlib.h>
-#include <string.h>
 
 using namespace llvm;
 

llvm/lib/Support/VirtualFileSystem.cpp

@@ -37,7 +37,6 @@
 #include "llvm/Support/SourceMgr.h"
 #include "llvm/Support/YAMLParser.h"
 #include "llvm/Support/raw_ostream.h"
-#include <algorithm>
 #include <atomic>
 #include <cassert>
 #include <cstdint>

llvm/lib/Support/YAMLTraits.cpp

@@ -21,7 +21,6 @@
 #include "llvm/Support/VersionTuple.h"
 #include "llvm/Support/YAMLParser.h"
 #include "llvm/Support/raw_ostream.h"
-#include <algorithm>
 #include <cassert>
 #include <cstdint>
 #include <cstring>

llvm/lib/Support/raw_ostream.cpp

@@ -13,7 +13,6 @@
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/Config/config.h"
-#include "llvm/Support/AutoConvert.h"
 #include "llvm/Support/Compiler.h"
 #include "llvm/Support/Duration.h"
 #include "llvm/Support/ErrorHandling.h"

llvm/lib/Support/raw_socket_stream.cpp

@@ -19,7 +19,6 @@
 #include <atomic>
 #include <fcntl.h>
 #include <functional>
-#include <thread>
 
 #ifndef _WIN32
 #include <poll.h>