From dd7c3e4e56f739f6b67a4f3d67d061f2c5bca029 Mon Sep 17 00:00:00 2001
From: Nuno Lopes <nunoplopes@sapo.pt>
Date: Tue, 30 Sep 2008 18:34:38 +0000
Subject: add AU.setPreservesCFG() since this pass only adds and removes
 function attributes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56868 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Transforms/IPO/AddReadAttrs.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/Transforms/IPO/AddReadAttrs.cpp b/lib/Transforms/IPO/AddReadAttrs.cpp
index 4c6158c65e..7af071c40b 100644
--- a/lib/Transforms/IPO/AddReadAttrs.cpp
+++ b/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);
+    }
   };
 }
 
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