From 2bd7b24f1a85d748183ab8c4b15163e9d43e1854 Mon Sep 17 00:00:00 2001
From: Nuno Lopes <nunoplopes@sapo.pt>
Date: Tue, 30 Sep 2008 18:34:38 +0000
Subject: [PATCH] add AU.setPreservesCFG() since this pass only adds and
 removes function attributes

llvm-svn: 56868
---
 llvm/lib/Transforms/IPO/AddReadAttrs.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/llvm/lib/Transforms/IPO/AddReadAttrs.cpp b/llvm/lib/Transforms/IPO/AddReadAttrs.cpp
index 4c6158c65e8f..7af071c40bdf 100644
--- a/llvm/lib/Transforms/IPO/AddReadAttrs.cpp
+++ b/llvm/lib/Transforms/IPO/AddReadAttrs.cpp
@@ -35,6 +35,11 @@ namespace {
 
     // runOnSCC - Analyze the SCC, performing the transformation if possible.
     bool runOnSCC(const std::vector<CallGraphNode *> &SCC);
+
+    virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+      AU.setPreservesCFG();
+      CallGraphSCCPass::getAnalysisUsage(AU);
+    }
   };
 }