From bc7eb9010f4163973571871b14a943c377d1b4f3 Mon Sep 17 00:00:00 2001
From: Simon Pilgrim <llvm-dev@redking.me.uk>
Date: Thu, 25 Jun 2020 11:14:12 +0100
Subject: [PATCH] MachineScheduler.h - reduce AliasAnalysis.h include to
 forward declaration. NFC.

Replace legacy AliasAnalysis typedef with AAResults where necessary.
---
 llvm/include/llvm/CodeGen/MachineScheduler.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/llvm/include/llvm/CodeGen/MachineScheduler.h b/llvm/include/llvm/CodeGen/MachineScheduler.h
index 8761290..a7edaaa 100644
--- a/llvm/include/llvm/CodeGen/MachineScheduler.h
+++ b/llvm/include/llvm/CodeGen/MachineScheduler.h
@@ -80,7 +80,6 @@
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/ADT/Twine.h"
-#include "llvm/Analysis/AliasAnalysis.h"
 #include "llvm/CodeGen/MachineBasicBlock.h"
 #include "llvm/CodeGen/MachinePassRegistry.h"
 #include "llvm/CodeGen/RegisterPressure.h"
@@ -102,6 +101,7 @@ extern cl::opt<bool> ForceTopDown;
 extern cl::opt<bool> ForceBottomUp;
 extern cl::opt<bool> VerifyScheduling;
 
+class AAResults;
 class LiveIntervals;
 class MachineDominatorTree;
 class MachineFunction;
@@ -121,7 +121,7 @@ struct MachineSchedContext {
   const MachineLoopInfo *MLI = nullptr;
   const MachineDominatorTree *MDT = nullptr;
   const TargetPassConfig *PassConfig = nullptr;
-  AliasAnalysis *AA = nullptr;
+  AAResults *AA = nullptr;
   LiveIntervals *LIS = nullptr;
 
   RegisterClassInfo *RegClassInfo;
@@ -264,7 +264,7 @@ public:
 /// PreRA and PostRA MachineScheduler.
 class ScheduleDAGMI : public ScheduleDAGInstrs {
 protected:
-  AliasAnalysis *AA;
+  AAResults *AA;
   LiveIntervals *LIS;
   std::unique_ptr<MachineSchedStrategy> SchedImpl;
 
-- 
2.7.4