Local.h - reduce includes to forward declarations. NFC.

Fix implicit include dependencies in source files and replace legacy AliasAnalysis typedef with AAResults where necessary.

include/llvm/Transforms/Utils/Local.h

@@ -19,35 +19,37 @@
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/TinyPtrVector.h"
-#include "llvm/Analysis/AliasAnalysis.h"
-#include "llvm/Analysis/DomTreeUpdater.h"
 #include "llvm/Analysis/Utils/Local.h"
 #include "llvm/IR/Constant.h"
 #include "llvm/IR/Constants.h"
 #include "llvm/IR/DataLayout.h"
 #include "llvm/IR/Dominators.h"
-#include "llvm/IR/GetElementPtrTypeIterator.h"
 #include "llvm/IR/Operator.h"
 #include "llvm/IR/Type.h"
 #include "llvm/IR/User.h"
 #include "llvm/IR/Value.h"
+#include "llvm/IR/ValueHandle.h"
 #include "llvm/Support/Casting.h"
 #include <cstdint>
 #include <limits>
 
 namespace llvm {
 
+class AAResults;
 class AllocaInst;
 class AssumptionCache;
 class BasicBlock;
 class BranchInst;
+class CallBase;
 class CallInst;
 class DbgDeclareInst;
 class DbgVariableIntrinsic;
 class DbgValueInst;
 class DIBuilder;
+class DomTreeUpdater;
 class Function;
 class Instruction;
+class InvokeInst;
 class LoadInst;
 class MDNode;
 class MemorySSAUpdater;
@@ -251,7 +253,7 @@ bool simplifyCFG(BasicBlock *BB, const TargetTransformInfo &TTI,
 /// This function is used to flatten a CFG. For example, it uses parallel-and
 /// and parallel-or mode to collapse if-conditions and merge if-regions with
 /// identical statements.
-bool FlattenCFG(BasicBlock *BB, AliasAnalysis *AA = nullptr);
+bool FlattenCFG(BasicBlock *BB, AAResults *AA = nullptr);
 
 /// If this basic block is ONLY a setcc and a branch, and if a predecessor
 /// branches to us and one of our successors, fold the setcc into the

lib/CodeGen/HardwareLoops.cpp

@@ -20,6 +20,7 @@
 #include "llvm/Analysis/LoopInfo.h"
 #include "llvm/Analysis/OptimizationRemarkEmitter.h"
 #include "llvm/Analysis/ScalarEvolution.h"
+#include "llvm/Analysis/TargetLibraryInfo.h"
 #include "llvm/Analysis/TargetTransformInfo.h"
 #include "llvm/CodeGen/Passes.h"
 #include "llvm/CodeGen/TargetPassConfig.h"

lib/Target/AArch64/AArch64StackTagging.cpp

@@ -19,6 +19,7 @@
 #include "llvm/ADT/Optional.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/Statistic.h"
+#include "llvm/Analysis/AliasAnalysis.h"
 #include "llvm/Analysis/CFG.h"
 #include "llvm/Analysis/LoopInfo.h"
 #include "llvm/Analysis/PostDominators.h"

lib/Transforms/Scalar/SCCP.cpp

@@ -27,6 +27,7 @@
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/Analysis/ConstantFolding.h"
+#include "llvm/Analysis/DomTreeUpdater.h"
 #include "llvm/Analysis/GlobalsModRef.h"
 #include "llvm/Analysis/InstructionSimplify.h"
 #include "llvm/Analysis/TargetLibraryInfo.h"

lib/Transforms/Utils/FlattenCFG.cpp

@@ -540,6 +540,6 @@ bool FlattenCFGOpt::run(BasicBlock *BB) {
 /// FlattenCFG - This function is used to flatten a CFG.  For
 /// example, it uses parallel-and and parallel-or mode to collapse
 /// if-conditions and merge if-regions with identical statements.
-bool llvm::FlattenCFG(BasicBlock *BB, AliasAnalysis *AA) {
+bool llvm::FlattenCFG(BasicBlock *BB, AAResults *AA) {
   return FlattenCFGOpt(AA).run(BB);
 }