From: Tilmann Scheller <t.scheller@samsung.com>
Date: Fri, 20 Nov 2015 19:17:10 +0000 (+0000)
Subject: Revert "[FunctionAttrs] Remove redundant assignment."
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=73a482f4ccc138785e138d4aa299f45478157e6a;p=oota-llvm.git

Revert "[FunctionAttrs] Remove redundant assignment."

This reverts r253661.

Turns out that the assignment is not redundant (despite the Clang static analyzer claiming the opposite).

The variable is being used by the lambda function AddUsersToWorklistIfCapturing().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@253696 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/IPO/FunctionAttrs.cpp b/lib/Transforms/IPO/FunctionAttrs.cpp
index 9c33f995789..e699c5e0df5 100644
--- a/lib/Transforms/IPO/FunctionAttrs.cpp
+++ b/lib/Transforms/IPO/FunctionAttrs.cpp
@@ -486,6 +486,8 @@ determinePointerReadAttrs(Argument *A,
         return Attribute::None;
       }
 
+      Captures &= !CS.doesNotCapture(UseIndex);
+
       // Since the optimizer (by design) cannot see the data flow corresponding
       // to a operand bundle use, these cannot participate in the optimistic SCC
       // analysis.  Instead, we model the operand bundle uses as arguments in