vendor/llvm/llvm-trunk-r366426

1 files changed, 11 insertions, 4 deletions

diff --git a/include/llvm/Analysis/AssumptionCache.h b/include/llvm/Analysis/AssumptionCache.h
index 46538b1fa86f..b42846472f2e 100644
--- a/include/llvm/Analysis/AssumptionCache.h
+++ b/include/llvm/Analysis/AssumptionCache.h
@@ -1,9 +1,8 @@
 //===- llvm/Analysis/AssumptionCache.h - Track @llvm.assume -----*- 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
 //
 //===----------------------------------------------------------------------===//
 //
@@ -104,6 +103,10 @@ public:
   /// not already be in the cache.
   void registerAssumption(CallInst *CI);
 
+  /// Remove an \@llvm.assume intrinsic from this function's cache if it has
+  /// been added to the cache earlier.
+  void unregisterAssumption(CallInst *CI);
+
   /// Update the cache of values being affected by this assumption (i.e.
   /// the values about which this assumption provides information).
   void updateAffectedValues(CallInst *CI);
@@ -209,6 +212,10 @@ public:
   /// existing cache will be returned.
   AssumptionCache &getAssumptionCache(Function &F);
 
+  /// Return the cached assumptions for a function if it has already been
+  /// scanned. Otherwise return nullptr.
+  AssumptionCache *lookupAssumptionCache(Function &F);
+
   AssumptionCacheTracker();
   ~AssumptionCacheTracker() override;