[Analysis] Remove unnecessary includes (NFC)

Author: kazutakahirata

llvm/include/llvm/Analysis/ScalarEvolutionExpressions.h

@@ -16,7 +16,6 @@
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/ADT/SmallVector.h"
-#include "llvm/ADT/iterator_range.h"
 #include "llvm/Analysis/ScalarEvolution.h"
 #include "llvm/IR/Constants.h"
 #include "llvm/IR/ValueHandle.h"

llvm/lib/Analysis/IVDescriptors.cpp

@@ -24,8 +24,6 @@
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/KnownBits.h"
 
-#include <set>
-
 using namespace llvm;
 using namespace llvm::PatternMatch;
 

llvm/unittests/Analysis/ValueLatticeTest.cpp

@@ -7,7 +7,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Analysis/ValueLattice.h"
-#include "llvm/ADT/SmallVector.h"
 #include "llvm/IR/ConstantRange.h"
 #include "llvm/IR/Constants.h"
 #include "llvm/IR/IRBuilder.h"

llvm/unittests/Analysis/VectorUtilsTest.cpp

@@ -17,7 +17,6 @@
 #include "llvm/IR/NoFolder.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/SourceMgr.h"
-#include "llvm/Support/KnownBits.h"
 #include "gtest/gtest.h"
 
 using namespace llvm;