From 0483d018c4f15f206a83364e498957127e74f431 Mon Sep 17 00:00:00 2001
From: Nuno Lopes <nunoplopes@sapo.pt>
Date: Tue, 30 Sep 2008 22:04:30 +0000
Subject: [PATCH] add preserversCFG() + preservers(CallGraph)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56887 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Transforms/IPO/Internalize.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/Transforms/IPO/Internalize.cpp b/lib/Transforms/IPO/Internalize.cpp
index cbfccf2a2c7..4a30e1443f8 100644
--- a/lib/Transforms/IPO/Internalize.cpp
+++ b/lib/Transforms/IPO/Internalize.cpp
@@ -14,6 +14,7 @@
 //===----------------------------------------------------------------------===//
 
 #define DEBUG_TYPE "internalize"
+#include "llvm/Analysis/CallGraph.h"
 #include "llvm/Transforms/IPO.h"
 #include "llvm/Pass.h"
 #include "llvm/Module.h"
@@ -52,6 +53,11 @@ namespace {
     explicit InternalizePass(const std::vector <const char *>& exportList);
     void LoadFile(const char *Filename);
     virtual bool runOnModule(Module &M);
+
+    virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+      AU.setPreservesCFG();
+      AU.addPreserved<CallGraph>();
+    }
   };
 } // end anonymous namespace