From 7aa3c781b4e3acadcdd7094deed14aa2e76ab625 Mon Sep 17 00:00:00 2001
From: Owen Anderson <resistor@mac.com>
Date: Sun, 4 Oct 2009 17:47:39 +0000
Subject: [PATCH] SSI needs to require DT and DF transitively, since it uses
 them outside of its runOnFunction. Similarly, it can be marked
 setPreservesAll, since it does no work in its runOnFunction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83282 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Transforms/Utils/SSI.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/Transforms/Utils/SSI.cpp b/lib/Transforms/Utils/SSI.cpp
index e5a1dd1bb73..305f60e7d70 100644
--- a/lib/Transforms/Utils/SSI.cpp
+++ b/lib/Transforms/Utils/SSI.cpp
@@ -37,9 +37,9 @@ STATISTIC(NumSigmaInserted, "Number of sigma functions inserted");
 STATISTIC(NumPhiInserted, "Number of phi functions inserted");
 
 void SSI::getAnalysisUsage(AnalysisUsage &AU) const {
-  AU.addRequired<DominanceFrontier>();
-  AU.addRequired<DominatorTree>();
-  AU.setPreservesCFG();
+  AU.addRequiredTransitive<DominanceFrontier>();
+  AU.addRequiredTransitive<DominatorTree>();
+  AU.setPreservesAll();
 }
 
 bool SSI::runOnFunction(Function &F) {
-- 
2.34.1