[TableGen] [NFC] Remove unused includes in TableGen BE (#113725)

split PR as requested from
#113318.

Removes unused imports in TableGen BE

Author: jerryyiransun

llvm/utils/TableGen/Attributes.cpp

@@ -9,7 +9,6 @@
 #include "llvm/TableGen/Error.h"
 #include "llvm/TableGen/Record.h"
 #include "llvm/TableGen/TableGenBackend.h"
-#include <vector>
 using namespace llvm;
 
 #define DEBUG_TYPE "attr-enum"

llvm/utils/TableGen/CTagsEmitter.cpp

@@ -17,7 +17,7 @@
 #include "llvm/TableGen/Error.h"
 #include "llvm/TableGen/Record.h"
 #include "llvm/TableGen/TableGenBackend.h"
-#include <algorithm>
+#include <tuple>
 #include <vector>
 using namespace llvm;
 

llvm/utils/TableGen/DXILEmitter.cpp

@@ -14,7 +14,6 @@
 #include "Basic/SequenceToOffsetTable.h"
 #include "Common/CodeGenTarget.h"
 #include "llvm/ADT/STLExtras.h"
-#include "llvm/ADT/SmallSet.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/StringSet.h"

llvm/utils/TableGen/GlobalISelCombinerEmitter.cpp

@@ -40,9 +40,7 @@
 #include "Common/SubtargetFeatureInfo.h"
 #include "llvm/ADT/APInt.h"
 #include "llvm/ADT/EquivalenceClasses.h"
-#include "llvm/ADT/Hashing.h"
 #include "llvm/ADT/MapVector.h"
-#include "llvm/ADT/SetVector.h"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/StringSet.h"

llvm/utils/TableGen/GlobalISelEmitter.cpp

@@ -38,7 +38,6 @@
 #include "Common/GlobalISel/GlobalISelMatchTable.h"
 #include "Common/GlobalISel/GlobalISelMatchTableExecutorEmitter.h"
 #include "Common/InfoByHwMode.h"
-#include "Common/SubtargetFeatureInfo.h"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/CodeGenTypes/LowLevelType.h"
 #include "llvm/CodeGenTypes/MachineValueType.h"

llvm/utils/TableGen/IntrinsicEmitter.cpp

@@ -29,7 +29,6 @@
 #include <array>
 #include <cassert>
 #include <cctype>
-#include <limits>
 #include <map>
 #include <optional>
 #include <string>

llvm/utils/TableGen/OptionParserEmitter.cpp

@@ -15,7 +15,6 @@
 #include "llvm/TableGen/TableGenBackend.h"
 #include <cstring>
 #include <map>
-#include <memory>
 
 using namespace llvm;
 

llvm/utils/TableGen/PseudoLoweringEmitter.cpp

@@ -17,7 +17,6 @@
 #include "llvm/TableGen/Record.h"
 #include "llvm/TableGen/TGTimer.h"
 #include "llvm/TableGen/TableGenBackend.h"
-#include <vector>
 using namespace llvm;
 
 #define DEBUG_TYPE "pseudo-lowering"

llvm/utils/TableGen/VTEmitter.cpp

@@ -10,7 +10,6 @@
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/TableGen/Record.h"
 #include "llvm/TableGen/TableGenBackend.h"
-#include <array>
 #include <cassert>
 #include <map>
 using namespace llvm;