From 62b5c167de0ca5883a7ad5eb0900eb0c15ad3707 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Sun, 29 Jun 2003 00:23:11 +0000 Subject: [PATCH] Add support for gathering sets of must aliases git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6971 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/llvm/Analysis/AliasAnalysis.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/include/llvm/Analysis/AliasAnalysis.h b/include/llvm/Analysis/AliasAnalysis.h index 90713aeaf9e..f115894bc5a 100644 --- a/include/llvm/Analysis/AliasAnalysis.h +++ b/include/llvm/Analysis/AliasAnalysis.h @@ -76,6 +76,15 @@ public: return MayAlias; } + /// getMustAliases - If there are any pointers known that must alias this + /// pointer, return them now. This allows alias-set based alias analyses to + /// perform a form a value numbering (which is exposed by load-vn). If an + /// alias analysis supports this, it should ADD any must aliased pointers to + /// the specified vector. + /// + virtual void getMustAliases(Value *P, std::vector &RetVals) {} + + //===--------------------------------------------------------------------===// /// Simple mod/ref information... ///