From a62bf106519d603773b7dc2df4ce6f2b5155a653 Mon Sep 17 00:00:00 2001
From: Owen Anderson <resistor@mac.com>
Date: Sun, 4 Oct 2009 17:47:39 +0000
Subject: 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.

llvm-svn: 83282
---
 llvm/lib/Transforms/Utils/SSI.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'llvm/lib/Transforms')

diff --git a/llvm/lib/Transforms/Utils/SSI.cpp b/llvm/lib/Transforms/Utils/SSI.cpp
index e5a1dd1bb73..305f60e7d70 100644
--- a/llvm/lib/Transforms/Utils/SSI.cpp
+++ b/llvm/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) {
-- 
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