Update prebuilt Clang to match Android kernel.

Bug: 132428451
Change-Id: I8f6e2cb23f381fc0c02ddea99b867e58e925e5be
diff --git a/linux-x64/clang/include/llvm/Analysis/BasicAliasAnalysis.h b/linux-x64/clang/include/llvm/Analysis/BasicAliasAnalysis.h
index 6344e84..29f584c 100644
--- a/linux-x64/clang/include/llvm/Analysis/BasicAliasAnalysis.h
+++ b/linux-x64/clang/include/llvm/Analysis/BasicAliasAnalysis.h
@@ -1,9 +1,8 @@
 //===- BasicAliasAnalysis.h - Stateless, local Alias Analysis ---*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 /// \file
@@ -21,7 +20,7 @@
 #include "llvm/Analysis/AliasAnalysis.h"
 #include "llvm/Analysis/AssumptionCache.h"
 #include "llvm/Analysis/MemoryLocation.h"
-#include "llvm/IR/CallSite.h"
+#include "llvm/IR/InstrTypes.h"
 #include "llvm/IR/PassManager.h"
 #include "llvm/Pass.h"
 #include <algorithm>
@@ -84,18 +83,18 @@
 
   AliasResult alias(const MemoryLocation &LocA, const MemoryLocation &LocB);
 
-  ModRefInfo getModRefInfo(ImmutableCallSite CS, const MemoryLocation &Loc);
+  ModRefInfo getModRefInfo(const CallBase *Call, const MemoryLocation &Loc);
 
-  ModRefInfo getModRefInfo(ImmutableCallSite CS1, ImmutableCallSite CS2);
+  ModRefInfo getModRefInfo(const CallBase *Call1, const CallBase *Call2);
 
   /// Chases pointers until we find a (constant global) or not.
   bool pointsToConstantMemory(const MemoryLocation &Loc, bool OrLocal);
 
   /// Get the location associated with a pointer argument of a callsite.
-  ModRefInfo getArgModRefInfo(ImmutableCallSite CS, unsigned ArgIdx);
+  ModRefInfo getArgModRefInfo(const CallBase *Call, unsigned ArgIdx);
 
   /// Returns the behavior when calling the given call site.
-  FunctionModRefBehavior getModRefBehavior(ImmutableCallSite CS);
+  FunctionModRefBehavior getModRefBehavior(const CallBase *Call);
 
   /// Returns the behavior when calling the given function. For use when the
   /// call site is not known.
@@ -115,7 +114,7 @@
     unsigned ZExtBits;
     unsigned SExtBits;
 
-    int64_t Scale;
+    APInt Scale;
 
     bool operator==(const VariableGEPIndex &Other) const {
       return V == Other.V && ZExtBits == Other.ZExtBits &&
@@ -133,10 +132,10 @@
     // Base pointer of the GEP
     const Value *Base;
     // Total constant offset w.r.t the base from indexing into structs
-    int64_t StructOffset;
+    APInt StructOffset;
     // Total constant offset w.r.t the base from indexing through
     // pointers/arrays/vectors
-    int64_t OtherOffset;
+    APInt OtherOffset;
     // Scaled variable (non-constant) indices.
     SmallVector<VariableGEPIndex, 4> VarIndices;
   };
@@ -145,6 +144,8 @@
   using LocPair = std::pair<MemoryLocation, MemoryLocation>;
   using AliasCacheTy = SmallDenseMap<LocPair, AliasResult, 8>;
   AliasCacheTy AliasCache;
+  using IsCapturedCacheTy = SmallDenseMap<const Value *, bool, 8>;
+  IsCapturedCacheTy IsCapturedCache;
 
   /// Tracks phi nodes we have visited.
   ///
@@ -189,7 +190,7 @@
   bool
   constantOffsetHeuristic(const SmallVectorImpl<VariableGEPIndex> &VarIndices,
                           LocationSize V1Size, LocationSize V2Size,
-                          int64_t BaseOffset, AssumptionCache *AC,
+                          APInt BaseOffset, AssumptionCache *AC,
                           DominatorTree *DT);
 
   bool isValueEqualInPotentialCycles(const Value *V1, const Value *V2);