From: Reid Spencer <rspencer@reidspencer.com>
Date: Fri, 8 Dec 2006 21:52:01 +0000 (+0000)
Subject: Incorporate any changes in the successor blocks into the result of
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=f7761e5c3956a8ed8f6a455341dbac86cfbb1699;p=oota-llvm.git

Incorporate any changes in the successor blocks into the result of
MarkAliveBlocks.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32375 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/Scalar/SimplifyCFG.cpp b/lib/Transforms/Scalar/SimplifyCFG.cpp
index 0da53a3aab2..175dd3b3bf6 100644
--- a/lib/Transforms/Scalar/SimplifyCFG.cpp
+++ b/lib/Transforms/Scalar/SimplifyCFG.cpp
@@ -73,7 +73,7 @@ static bool MarkAliveBlocks(BasicBlock *BB, std::set<BasicBlock*> &Reachable) {
 
   bool Changed = ConstantFoldTerminator(BB);
   for (succ_iterator SI = succ_begin(BB), SE = succ_end(BB); SI != SE; ++SI)
-    MarkAliveBlocks(*SI, Reachable);
+    Changed |= MarkAliveBlocks(*SI, Reachable);
 
   return Changed;
 }