Update prebuilt Clang to match Android kernel.

Bug: 132428451
Change-Id: I8f6e2cb23f381fc0c02ddea99b867e58e925e5be
diff --git a/linux-x64/clang/include/llvm/IR/InstVisitor.h b/linux-x64/clang/include/llvm/IR/InstVisitor.h
index 55536f2..fbeb2ca 100644
--- a/linux-x64/clang/include/llvm/IR/InstVisitor.h
+++ b/linux-x64/clang/include/llvm/IR/InstVisitor.h
@@ -1,9 +1,8 @@
 //===- InstVisitor.h - Instruction visitor templates ------------*- 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
 //
 //===----------------------------------------------------------------------===//
 
@@ -166,15 +165,6 @@
   // Specific Instruction type classes... note that all of the casts are
   // necessary because we use the instruction classes as opaque types...
   //
-  RetTy visitReturnInst(ReturnInst &I)            { DELEGATE(TerminatorInst);}
-  RetTy visitBranchInst(BranchInst &I)            { DELEGATE(TerminatorInst);}
-  RetTy visitSwitchInst(SwitchInst &I)            { DELEGATE(TerminatorInst);}
-  RetTy visitIndirectBrInst(IndirectBrInst &I)    { DELEGATE(TerminatorInst);}
-  RetTy visitResumeInst(ResumeInst &I)            { DELEGATE(TerminatorInst);}
-  RetTy visitUnreachableInst(UnreachableInst &I)  { DELEGATE(TerminatorInst);}
-  RetTy visitCleanupReturnInst(CleanupReturnInst &I) { DELEGATE(TerminatorInst);}
-  RetTy visitCatchReturnInst(CatchReturnInst &I)  { DELEGATE(TerminatorInst); }
-  RetTy visitCatchSwitchInst(CatchSwitchInst &I)  { DELEGATE(TerminatorInst);}
   RetTy visitICmpInst(ICmpInst &I)                { DELEGATE(CmpInst);}
   RetTy visitFCmpInst(FCmpInst &I)                { DELEGATE(CmpInst);}
   RetTy visitAllocaInst(AllocaInst &I)            { DELEGATE(UnaryInstruction);}
@@ -227,36 +217,76 @@
   RetTy visitVACopyInst(VACopyInst &I)            { DELEGATE(IntrinsicInst); }
   RetTy visitIntrinsicInst(IntrinsicInst &I)      { DELEGATE(CallInst); }
 
-  // Call and Invoke are slightly different as they delegate first through
-  // a generic CallSite visitor.
+  // Call, Invoke and CallBr are slightly different as they delegate first
+  // through a generic CallSite visitor.
   RetTy visitCallInst(CallInst &I) {
     return static_cast<SubClass*>(this)->visitCallSite(&I);
   }
   RetTy visitInvokeInst(InvokeInst &I) {
     return static_cast<SubClass*>(this)->visitCallSite(&I);
   }
+  RetTy visitCallBrInst(CallBrInst &I) {
+    return static_cast<SubClass *>(this)->visitCallSite(&I);
+  }
+
+  // While terminators don't have a distinct type modeling them, we support
+  // intercepting them with dedicated a visitor callback.
+  RetTy visitReturnInst(ReturnInst &I) {
+    return static_cast<SubClass *>(this)->visitTerminator(I);
+  }
+  RetTy visitBranchInst(BranchInst &I) {
+    return static_cast<SubClass *>(this)->visitTerminator(I);
+  }
+  RetTy visitSwitchInst(SwitchInst &I) {
+    return static_cast<SubClass *>(this)->visitTerminator(I);
+  }
+  RetTy visitIndirectBrInst(IndirectBrInst &I) {
+    return static_cast<SubClass *>(this)->visitTerminator(I);
+  }
+  RetTy visitResumeInst(ResumeInst &I) {
+    return static_cast<SubClass *>(this)->visitTerminator(I);
+  }
+  RetTy visitUnreachableInst(UnreachableInst &I) {
+    return static_cast<SubClass *>(this)->visitTerminator(I);
+  }
+  RetTy visitCleanupReturnInst(CleanupReturnInst &I) {
+    return static_cast<SubClass *>(this)->visitTerminator(I);
+  }
+  RetTy visitCatchReturnInst(CatchReturnInst &I) {
+    return static_cast<SubClass *>(this)->visitTerminator(I);
+  }
+  RetTy visitCatchSwitchInst(CatchSwitchInst &I) {
+    return static_cast<SubClass *>(this)->visitTerminator(I);
+  }
+  RetTy visitTerminator(Instruction &I)    { DELEGATE(Instruction);}
 
   // Next level propagators: If the user does not overload a specific
   // instruction type, they can overload one of these to get the whole class
   // of instructions...
   //
   RetTy visitCastInst(CastInst &I)                { DELEGATE(UnaryInstruction);}
+  RetTy visitUnaryOperator(UnaryOperator &I)      { DELEGATE(UnaryInstruction);}
   RetTy visitBinaryOperator(BinaryOperator &I)    { DELEGATE(Instruction);}
   RetTy visitCmpInst(CmpInst &I)                  { DELEGATE(Instruction);}
-  RetTy visitTerminatorInst(TerminatorInst &I)    { DELEGATE(Instruction);}
   RetTy visitUnaryInstruction(UnaryInstruction &I){ DELEGATE(Instruction);}
 
-  // Provide a special visitor for a 'callsite' that visits both calls and
-  // invokes. When unimplemented, properly delegates to either the terminator or
-  // regular instruction visitor.
+  // The next level delegation for `CallBase` is slightly more complex in order
+  // to support visiting cases where the call is also a terminator.
+  RetTy visitCallBase(CallBase &I) {
+    if (isa<InvokeInst>(I) || isa<CallBrInst>(I))
+      return static_cast<SubClass *>(this)->visitTerminator(I);
+
+    DELEGATE(Instruction);
+  }
+
+  // Provide a legacy visitor for a 'callsite' that visits calls, invokes,
+  // and calbrs.
+  //
+  // Prefer overriding the type system based `CallBase` instead.
   RetTy visitCallSite(CallSite CS) {
     assert(CS);
     Instruction &I = *CS.getInstruction();
-    if (CS.isCall())
-      DELEGATE(Instruction);
-
-    assert(CS.isInvoke());
-    DELEGATE(TerminatorInst);
+    DELEGATE(CallBase);
   }
 
   // If the user wants a 'default' case, they can choose to override this