[SCEV] Remove unused ScalarEvolutionExpander.h includes (NFC).

Author: fhahn

llvm/lib/Analysis/IVDescriptors.cpp

@@ -22,7 +22,6 @@
 #include "llvm/Analysis/MustExecute.h"
 #include "llvm/Analysis/ScalarEvolution.h"
 #include "llvm/Analysis/ScalarEvolutionAliasAnalysis.h"
-#include "llvm/Analysis/ScalarEvolutionExpander.h"
 #include "llvm/Analysis/ScalarEvolutionExpressions.h"
 #include "llvm/Analysis/TargetTransformInfo.h"
 #include "llvm/Analysis/ValueTracking.h"

llvm/lib/Target/PowerPC/PPCCTRLoops.cpp

@@ -33,7 +33,6 @@
 #include "llvm/Analysis/CodeMetrics.h"
 #include "llvm/Analysis/LoopInfo.h"
 #include "llvm/Analysis/LoopIterator.h"
-#include "llvm/Analysis/ScalarEvolutionExpander.h"
 #include "llvm/Analysis/TargetLibraryInfo.h"
 #include "llvm/Analysis/TargetTransformInfo.h"
 #include "llvm/CodeGen/TargetPassConfig.h"

llvm/lib/Transforms/Utils/LoopUnrollAndJam.cpp

@@ -21,7 +21,6 @@
 #include "llvm/Analysis/LoopPass.h"
 #include "llvm/Analysis/OptimizationRemarkEmitter.h"
 #include "llvm/Analysis/ScalarEvolution.h"
-#include "llvm/Analysis/ScalarEvolutionExpander.h"
 #include "llvm/Analysis/Utils/Local.h"
 #include "llvm/IR/BasicBlock.h"
 #include "llvm/IR/DataLayout.h"

llvm/lib/Transforms/Utils/LoopUtils.cpp

@@ -24,7 +24,6 @@
 #include "llvm/Analysis/MustExecute.h"
 #include "llvm/Analysis/ScalarEvolution.h"
 #include "llvm/Analysis/ScalarEvolutionAliasAnalysis.h"
-#include "llvm/Analysis/ScalarEvolutionExpander.h"
 #include "llvm/Analysis/ScalarEvolutionExpressions.h"
 #include "llvm/Analysis/TargetTransformInfo.h"
 #include "llvm/Analysis/ValueTracking.h"