From fa03afb24a06785d0e1aa2df8f6890f2c3663de7 Mon Sep 17 00:00:00 2001
From: Simon Pilgrim <llvm-dev@redking.me.uk>
Date: Sun, 7 Jun 2020 13:16:31 +0100
Subject: [PATCH] MemorySSAUpdater.h - reduce includes to forward declarations.
 NFC.

---
 include/llvm/Analysis/MemorySSAUpdater.h | 15 ++++-----------
 1 file changed, 4 insertions(+), 11 deletions(-)

diff --git a/include/llvm/Analysis/MemorySSAUpdater.h b/include/llvm/Analysis/MemorySSAUpdater.h
index fc6ef7f0529..141c0e57e63 100644
--- a/include/llvm/Analysis/MemorySSAUpdater.h
+++ b/include/llvm/Analysis/MemorySSAUpdater.h
@@ -36,26 +36,19 @@
 #include "llvm/ADT/SmallSet.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/Analysis/MemorySSA.h"
-#include "llvm/IR/OperandTraits.h"
-#include "llvm/IR/Type.h"
-#include "llvm/IR/Use.h"
-#include "llvm/IR/User.h"
-#include "llvm/IR/Value.h"
 #include "llvm/IR/ValueHandle.h"
 #include "llvm/IR/ValueMap.h"
-#include "llvm/Pass.h"
 #include "llvm/Support/CFGDiff.h"
-#include "llvm/Support/Casting.h"
-#include "llvm/Support/ErrorHandling.h"
+#include <utility>
 
 namespace llvm {
 
 class BasicBlock;
-class Function;
+class BranchInst;
+class DominatorTree;
 class Instruction;
 class LoopBlocksRPO;
-class LLVMContext;
-class raw_ostream;
+class WeakVH;
 
 using ValueToValueMapTy = ValueMap<const Value *, WeakTrackingVH>;
 using PhiToDefMap = SmallDenseMap<MemoryPhi *, MemoryAccess *>;