From: Chris Lattner <sabre@nondot.org>
Date: Mon, 24 Nov 2008 21:26:21 +0000 (+0000)
Subject: reenable the right part of the code.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=ae297f8da5a354f75a30dc5689a88615ded05676;p=oota-llvm.git

reenable the right part of the code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59985 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/Scalar/CodeGenPrepare.cpp b/lib/Transforms/Scalar/CodeGenPrepare.cpp
index 5edaf2ee44a..96c2e7013b4 100644
--- a/lib/Transforms/Scalar/CodeGenPrepare.cpp
+++ b/lib/Transforms/Scalar/CodeGenPrepare.cpp
@@ -208,7 +208,7 @@ void CodeGenPrepare::EliminateMostlyEmptyBlock(BasicBlock *BB) {
     while (PHINode *PN = dyn_cast<PHINode>(DestBB->begin())) {
       Value *NewVal = PN->getIncomingValue(0);
       // Replace self referencing PHI with undef, it must be dead.
-      //if (NewVal == PN) NewVal = UndefValue::get(PN->getType());
+      if (NewVal == PN) NewVal = UndefValue::get(PN->getType());
       PN->replaceAllUsesWith(NewVal);
       PN->eraseFromParent();
     }