[llvm] Remove unused includes of SmallSet.h (NFC) (llvm#154893)

We just replaced SmallSet<T *, N> with SmallPtrSet<T *, N>, bypassing
the redirection found in SmallSet.h.  With that, we no longer need to
include SmallSet.h in many files.

Author: kazutakahirata

llvm/lib/Analysis/CallPrinter.cpp

@@ -15,7 +15,6 @@
 
 #include "llvm/Analysis/CallPrinter.h"
 #include "llvm/ADT/DenseMap.h"
-#include "llvm/ADT/SmallSet.h"
 #include "llvm/Analysis/BlockFrequencyInfo.h"
 #include "llvm/Analysis/CallGraph.h"
 #include "llvm/Analysis/HeatUtils.h"

llvm/lib/Analysis/CaptureTracking.cpp

@@ -16,7 +16,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Analysis/CaptureTracking.h"
-#include "llvm/ADT/SmallSet.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/Analysis/AliasAnalysis.h"

llvm/lib/Analysis/ScalarEvolution.cpp

@@ -67,7 +67,6 @@
 #include "llvm/ADT/ScopeExit.h"
 #include "llvm/ADT/Sequence.h"
 #include "llvm/ADT/SmallPtrSet.h"
-#include "llvm/ADT/SmallSet.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/ADT/StringExtras.h"

llvm/lib/Analysis/ValueTracking.cpp

@@ -19,7 +19,6 @@
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/ScopeExit.h"
 #include "llvm/ADT/SmallPtrSet.h"
-#include "llvm/ADT/SmallSet.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/ADT/iterator_range.h"

llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp

@@ -13,7 +13,6 @@
 #include "llvm/ADT/PostOrderIterator.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/ScopeExit.h"
-#include "llvm/ADT/SmallSet.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/Analysis/AliasAnalysis.h"
 #include "llvm/Analysis/AssumptionCache.h"

llvm/lib/CodeGen/MachineDebugify.cpp

@@ -14,7 +14,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/ADT/DenseMap.h"
-#include "llvm/ADT/SmallSet.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
 #include "llvm/CodeGen/MachineModuleInfo.h"

llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp

@@ -17,7 +17,6 @@
 #include "llvm/ADT/BitVector.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/SmallPtrSet.h"
-#include "llvm/ADT/SmallSet.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/ADT/Twine.h"

llvm/lib/CodeGen/SwiftErrorValueTracking.cpp

@@ -14,7 +14,6 @@
 
 #include "llvm/CodeGen/SwiftErrorValueTracking.h"
 #include "llvm/ADT/PostOrderIterator.h"
-#include "llvm/ADT/SmallSet.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
 #include "llvm/CodeGen/TargetInstrInfo.h"

llvm/lib/ExecutionEngine/Orc/Debugging/DebuggerSupportPlugin.cpp

@@ -12,7 +12,6 @@
 #include "llvm/ExecutionEngine/Orc/Debugging/DebuggerSupportPlugin.h"
 #include "llvm/ExecutionEngine/Orc/MachOBuilder.h"
 
-#include "llvm/ADT/SmallSet.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/BinaryFormat/MachO.h"
 #include "llvm/DebugInfo/DWARF/DWARFContext.h"

llvm/lib/Frontend/OpenMP/OMPIRBuilder.cpp

@@ -14,7 +14,6 @@
 
 #include "llvm/Frontend/OpenMP/OMPIRBuilder.h"
 #include "llvm/ADT/SmallBitVector.h"
-#include "llvm/ADT/SmallSet.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/Analysis/AssumptionCache.h"