Purge unused includes throughout libSupport.

NFC.

llvm-svn: 232976

24 files changed, 14 insertions, 40 deletions

diff --git a/llvm/lib/Support/Allocator.cpp b/llvm/lib/Support/Allocator.cpp
index 7c306b2370e..f48edac0598 100644
--- a/llvm/lib/Support/Allocator.cpp
+++ b/llvm/lib/Support/Allocator.cpp
@@ -12,12 +12,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Support/Allocator.h"
-#include "llvm/Support/Compiler.h"
-#include "llvm/Support/DataTypes.h"
-#include "llvm/Support/Memory.h"
-#include "llvm/Support/Recycler.h"
 #include "llvm/Support/raw_ostream.h"
-#include <cstring>
 
 namespace llvm {
 
diff --git a/llvm/lib/Support/CommandLine.cpp b/llvm/lib/Support/CommandLine.cpp
index 7e594409b82..af6c6056f18 100644
--- a/llvm/lib/Support/CommandLine.cpp
+++ b/llvm/lib/Support/CommandLine.cpp
@@ -33,10 +33,8 @@
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/Path.h"
 #include "llvm/Support/raw_ostream.h"
-#include <cerrno>
 #include <cstdlib>
 #include <map>
-#include <system_error>
 using namespace llvm;
 using namespace cl;
 
diff --git a/llvm/lib/Support/Compression.cpp b/llvm/lib/Support/Compression.cpp
index 17ae2957d12..b54613e92b8 100644
--- a/llvm/lib/Support/Compression.cpp
+++ b/llvm/lib/Support/Compression.cpp
@@ -12,6 +12,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Support/Compression.h"
+#include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/Config/config.h"
 #include "llvm/Support/Compiler.h"
diff --git a/llvm/lib/Support/CrashRecoveryContext.cpp b/llvm/lib/Support/CrashRecoveryContext.cpp
index 9b0e44339d8..aba0f1ddeee 100644
--- a/llvm/lib/Support/CrashRecoveryContext.cpp
+++ b/llvm/lib/Support/CrashRecoveryContext.cpp
@@ -8,13 +8,11 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Support/CrashRecoveryContext.h"
-#include "llvm/ADT/SmallString.h"
 #include "llvm/Config/config.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/ManagedStatic.h"
 #include "llvm/Support/Mutex.h"
 #include "llvm/Support/ThreadLocal.h"
-#include <cstdio>
 #include <setjmp.h>
 using namespace llvm;
 
diff --git a/llvm/lib/Support/DataStream.cpp b/llvm/lib/Support/DataStream.cpp
index dbf6465189d..a44b95804c7 100644
--- a/llvm/lib/Support/DataStream.cpp
+++ b/llvm/lib/Support/DataStream.cpp
@@ -18,8 +18,6 @@
 #include "llvm/ADT/Statistic.h"
 #include "llvm/Support/FileSystem.h"
 #include "llvm/Support/Program.h"
-#include <cerrno>
-#include <cstdio>
 #include <string>
 #include <system_error>
 #if !defined(_MSC_VER) && !defined(__MINGW32__)
diff --git a/llvm/lib/Support/FileOutputBuffer.cpp b/llvm/lib/Support/FileOutputBuffer.cpp
index a35e160b2a1..307ff09afed 100644
--- a/llvm/lib/Support/FileOutputBuffer.cpp
+++ b/llvm/lib/Support/FileOutputBuffer.cpp
@@ -11,11 +11,10 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm/Support/Errc.h"
-#include "llvm/ADT/STLExtras.h"
-#include "llvm/ADT/SmallVector.h"
 #include "llvm/Support/FileOutputBuffer.h"
-#include "llvm/Support/raw_ostream.h"
+#include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/SmallString.h"
+#include "llvm/Support/Errc.h"
 #include <system_error>
 
 #if !defined(_MSC_VER) && !defined(__MINGW32__)
diff --git a/llvm/lib/Support/GraphWriter.cpp b/llvm/lib/Support/GraphWriter.cpp
index c0b5513d5a1..fd4ce54838b 100644
--- a/llvm/lib/Support/GraphWriter.cpp
+++ b/llvm/lib/Support/GraphWriter.cpp
@@ -15,7 +15,6 @@
 #include "llvm/Config/config.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/FileSystem.h"
-#include "llvm/Support/Path.h"
 #include "llvm/Support/Program.h"
 using namespace llvm;
 
diff --git a/llvm/lib/Support/LockFileManager.cpp b/llvm/lib/Support/LockFileManager.cpp
index a6c17d4e587..d07c5f0f682 100644
--- a/llvm/lib/Support/LockFileManager.cpp
+++ b/llvm/lib/Support/LockFileManager.cpp
@@ -7,12 +7,10 @@
 //
 //===----------------------------------------------------------------------===//
 #include "llvm/Support/LockFileManager.h"
-#include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/Support/Errc.h"
 #include "llvm/Support/FileSystem.h"
 #include "llvm/Support/MemoryBuffer.h"
-#include "llvm/Support/Path.h"
 #include "llvm/Support/raw_ostream.h"
 #include <sys/stat.h>
 #include <sys/types.h>
diff --git a/llvm/lib/Support/MemoryBuffer.cpp b/llvm/lib/Support/MemoryBuffer.cpp
index 379db8811d4..98862e96b74 100644
--- a/llvm/lib/Support/MemoryBuffer.cpp
+++ b/llvm/lib/Support/MemoryBuffer.cpp
@@ -23,7 +23,6 @@
 #include "llvm/Support/Program.h"
 #include <cassert>
 #include <cerrno>
-#include <cstdio>
 #include <cstring>
 #include <new>
 #include <sys/types.h>
diff --git a/llvm/lib/Support/Path.cpp b/llvm/lib/Support/Path.cpp
index 6871b21c953..cf467381db8 100644
--- a/llvm/lib/Support/Path.cpp
+++ b/llvm/lib/Support/Path.cpp
@@ -19,9 +19,7 @@
 #include "llvm/Support/Path.h"
 #include "llvm/Support/Process.h"
 #include <cctype>
-#include <cstdio>
 #include <cstring>
-#include <fcntl.h>
 
 #if !defined(_MSC_VER) && !defined(__MINGW32__)
 #include <unistd.h>
diff --git a/llvm/lib/Support/Process.cpp b/llvm/lib/Support/Process.cpp
index ad67e1b10b4..d0c1748757d 100644
--- a/llvm/lib/Support/Process.cpp
+++ b/llvm/lib/Support/Process.cpp
@@ -13,8 +13,8 @@
 
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/Config/config.h"
-#include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/FileSystem.h"
+#include "llvm/Support/Path.h"
 #include "llvm/Support/Process.h"
 #include "llvm/Support/Program.h"
 
diff --git a/llvm/lib/Support/Program.cpp b/llvm/lib/Support/Program.cpp
index b84b82b1f10..34e336b354d 100644
--- a/llvm/lib/Support/Program.cpp
+++ b/llvm/lib/Support/Program.cpp
@@ -12,6 +12,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Support/Program.h"
+#include "llvm/ADT/StringRef.h"
 #include "llvm/Config/config.h"
 #include <system_error>
 using namespace llvm;
diff --git a/llvm/lib/Support/Regex.cpp b/llvm/lib/Support/Regex.cpp
index f7fe1e4c792..d3e29ac9dcc 100644
--- a/llvm/lib/Support/Regex.cpp
+++ b/llvm/lib/Support/Regex.cpp
@@ -14,8 +14,7 @@
 #include "llvm/Support/Regex.h"
 #include "regex_impl.h"
 #include "llvm/ADT/SmallVector.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/raw_ostream.h"
+#include "llvm/ADT/StringRef.h"
 #include <string>
 using namespace llvm;
 
diff --git a/llvm/lib/Support/ScaledNumber.cpp b/llvm/lib/Support/ScaledNumber.cpp
index 6f6699cfa7c..987c2d803b7 100644
--- a/llvm/lib/Support/ScaledNumber.cpp
+++ b/llvm/lib/Support/ScaledNumber.cpp
@@ -14,6 +14,7 @@
 #include "llvm/Support/ScaledNumber.h"
 #include "llvm/ADT/APFloat.h"
 #include "llvm/Support/Debug.h"
+#include "llvm/Support/raw_ostream.h"
 
 using namespace llvm;
 using namespace llvm::ScaledNumbers;
diff --git a/llvm/lib/Support/SourceMgr.cpp b/llvm/lib/Support/SourceMgr.cpp
index b50a66b2974..d5e3157b064 100644
--- a/llvm/lib/Support/SourceMgr.cpp
+++ b/llvm/lib/Support/SourceMgr.cpp
@@ -14,13 +14,11 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Support/SourceMgr.h"
-#include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/Twine.h"
 #include "llvm/Support/Locale.h"
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/Path.h"
 #include "llvm/Support/raw_ostream.h"
-#include <system_error>
 using namespace llvm;
 
 static const size_t TabStop = 8;
diff --git a/llvm/lib/Support/SpecialCaseList.cpp b/llvm/lib/Support/SpecialCaseList.cpp
index c312cc11a47..ea417c41c0a 100644
--- a/llvm/lib/Support/SpecialCaseList.cpp
+++ b/llvm/lib/Support/SpecialCaseList.cpp
@@ -15,13 +15,11 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Support/SpecialCaseList.h"
-#include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/StringSet.h"
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/Regex.h"
-#include "llvm/Support/raw_ostream.h"
 #include <string>
 #include <system_error>
 #include <utility>
diff --git a/llvm/lib/Support/StreamingMemoryObject.cpp b/llvm/lib/Support/StreamingMemoryObject.cpp
index f39bc561644..90f3ed80d12 100644
--- a/llvm/lib/Support/StreamingMemoryObject.cpp
+++ b/llvm/lib/Support/StreamingMemoryObject.cpp
@@ -8,12 +8,9 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Support/StreamingMemoryObject.h"
-#include "llvm/Support/Compiler.h"
 #include <cassert>
 #include <cstddef>
 #include <cstring>
-
-
 using namespace llvm;
 
 namespace {
diff --git a/llvm/lib/Support/StringExtras.cpp b/llvm/lib/Support/StringExtras.cpp
index d77ad7f55a1..3e2420f6776 100644
--- a/llvm/lib/Support/StringExtras.cpp
+++ b/llvm/lib/Support/StringExtras.cpp
@@ -12,7 +12,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/ADT/SmallVector.h"
-#include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/StringExtras.h"
 using namespace llvm;
 
diff --git a/llvm/lib/Support/SystemUtils.cpp b/llvm/lib/Support/SystemUtils.cpp
index 2036364dc51..7fa6ae3f619 100644
--- a/llvm/lib/Support/SystemUtils.cpp
+++ b/llvm/lib/Support/SystemUtils.cpp
@@ -13,8 +13,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Support/SystemUtils.h"
-#include "llvm/Support/Process.h"
-#include "llvm/Support/Program.h"
 #include "llvm/Support/raw_ostream.h"
 using namespace llvm;
 
diff --git a/llvm/lib/Support/TargetRegistry.cpp b/llvm/lib/Support/TargetRegistry.cpp
index f6918835f74..3ca85728985 100644
--- a/llvm/lib/Support/TargetRegistry.cpp
+++ b/llvm/lib/Support/TargetRegistry.cpp
@@ -10,7 +10,6 @@
 #include "llvm/Support/TargetRegistry.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/StringRef.h"
-#include "llvm/Support/Host.h"
 #include "llvm/Support/raw_ostream.h"
 #include <cassert>
 #include <vector>
diff --git a/llvm/lib/Support/Timer.cpp b/llvm/lib/Support/Timer.cpp
index e1a531a0af2..d7b65155d6e 100644
--- a/llvm/lib/Support/Timer.cpp
+++ b/llvm/lib/Support/Timer.cpp
@@ -14,12 +14,10 @@
 #include "llvm/Support/Timer.h"
 #include "llvm/ADT/StringMap.h"
 #include "llvm/Support/CommandLine.h"
-#include "llvm/Support/Debug.h"
 #include "llvm/Support/FileSystem.h"
 #include "llvm/Support/Format.h"
 #include "llvm/Support/ManagedStatic.h"
 #include "llvm/Support/Mutex.h"
-#include "llvm/Support/MutexGuard.h"
 #include "llvm/Support/Process.h"
 #include "llvm/Support/raw_ostream.h"
 using namespace llvm;
diff --git a/llvm/lib/Support/Unix/Program.inc b/llvm/lib/Support/Unix/Program.inc
index baf2767ad58..5816fb812e9 100644
--- a/llvm/lib/Support/Unix/Program.inc
+++ b/llvm/lib/Support/Unix/Program.inc
@@ -18,10 +18,11 @@
 
 #include "Unix.h"
 #include "llvm/ADT/StringExtras.h"
+#include "llvm/Config/config.h"
 #include "llvm/Support/Compiler.h"
 #include "llvm/Support/FileSystem.h"
+#include "llvm/Support/Path.h"
 #include "llvm/Support/raw_ostream.h"
-#include <llvm/Config/config.h>
 #if HAVE_SYS_STAT_H
 #include <sys/stat.h>
 #endif
diff --git a/llvm/lib/Support/YAMLParser.cpp b/llvm/lib/Support/YAMLParser.cpp
index 6ae7945769c..93aec7c0438 100644
--- a/llvm/lib/Support/YAMLParser.cpp
+++ b/llvm/lib/Support/YAMLParser.cpp
@@ -12,6 +12,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Support/YAMLParser.h"
+#include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/Twine.h"
diff --git a/llvm/lib/Support/YAMLTraits.cpp b/llvm/lib/Support/YAMLTraits.cpp
index d888e698937..74e541449f2 100644
--- a/llvm/lib/Support/YAMLTraits.cpp
+++ b/llvm/lib/Support/YAMLTraits.cpp
@@ -7,13 +7,14 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm/Support/Errc.h"
+#include "llvm/Support/YAMLTraits.h"
+#include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/Twine.h"
 #include "llvm/Support/Casting.h"
+#include "llvm/Support/Errc.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/Format.h"
 #include "llvm/Support/YAMLParser.h"
-#include "llvm/Support/YAMLTraits.h"
 #include "llvm/Support/raw_ostream.h"
 #include <cctype>
 #include <cstring>