From 7c24e61a2b9c372f0077b8887e7cca8dd49c933d Mon Sep 17 00:00:00 2001 From: Michael Gottesman Date: Thu, 24 Jan 2013 21:35:00 +0000 Subject: [PATCH] Added comment to ObjCARC elaborating what is meant by the term 'Provenance' in 'Provenance Analysis'. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173374 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Transforms/Scalar/ObjCARC.cpp | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/lib/Transforms/Scalar/ObjCARC.cpp b/lib/Transforms/Scalar/ObjCARC.cpp index 45bc7ab6311..1c7acb0bf0c 100644 --- a/lib/Transforms/Scalar/ObjCARC.cpp +++ b/lib/Transforms/Scalar/ObjCARC.cpp @@ -1222,6 +1222,12 @@ namespace { /// \brief This is similar to BasicAliasAnalysis, and it uses many of the same /// techniques, except it uses special ObjC-specific reasoning about pointer /// relationships. + /// + /// In this context ``Provenance'' is defined as the history of an object's + /// ownership. Thus ``Provenance Analysis'' is defined by using the notion of + /// an ``independent provenance source'' of a pointer to determine whether or + /// not two pointers have the same provenance source and thus could + /// potentially be related. class ProvenanceAnalysis { AliasAnalysis *AA;