Update prebuilt Clang to match Android kernel.
Bug: 132428451
Change-Id: I8f6e2cb23f381fc0c02ddea99b867e58e925e5be
diff --git a/linux-x64/clang/include/llvm/Analysis/GuardUtils.h b/linux-x64/clang/include/llvm/Analysis/GuardUtils.h
index 3b151ee..41e7b7c 100644
--- a/linux-x64/clang/include/llvm/Analysis/GuardUtils.h
+++ b/linux-x64/clang/include/llvm/Analysis/GuardUtils.h
@@ -1,9 +1,8 @@
//===-- GuardUtils.h - Utils for work with guards ---------------*- 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
//
//===----------------------------------------------------------------------===//
// Utils that are used to perform analyzes related to guards and their
@@ -15,12 +14,31 @@
namespace llvm {
+class BasicBlock;
class User;
+class Value;
-/// Returns true iff \p U has semantics of a guard.
+/// Returns true iff \p U has semantics of a guard expressed in a form of call
+/// of llvm.experimental.guard intrinsic.
bool isGuard(const User *U);
+/// Returns true iff \p U has semantics of a guard expressed in a form of a
+/// widenable conditional branch to deopt block.
+bool isGuardAsWidenableBranch(const User *U);
+
+/// If U is widenable branch looking like:
+/// %cond = ...
+/// %wc = call i1 @llvm.experimental.widenable.condition()
+/// %branch_cond = and i1 %cond, %wc
+/// br i1 %branch_cond, label %if_true_bb, label %if_false_bb ; <--- U
+/// The function returns true, and the values %cond and %wc and blocks
+/// %if_true_bb, if_false_bb are returned in
+/// the parameters (Condition, WidenableCondition, IfTrueBB and IfFalseFF)
+/// respectively. If \p U does not match this pattern, return false.
+bool parseWidenableBranch(const User *U, Value *&Condition,
+ Value *&WidenableCondition, BasicBlock *&IfTrueBB,
+ BasicBlock *&IfFalseBB);
+
} // llvm
#endif // LLVM_ANALYSIS_GUARDUTILS_H
-