From: Michael Liao <michael.liao@intel.com>
Date: Tue, 21 Aug 2012 05:55:22 +0000 (+0000)
Subject: revise debug output to avoid dangling pointer
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=787ed03ec17b3936b15a9997fa107a3bdcb69050;p=oota-llvm.git

revise debug output to avoid dangling pointer



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162256 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/Scalar/CodeGenPrepare.cpp b/lib/Transforms/Scalar/CodeGenPrepare.cpp
index a3c426a714e..a8deda8b746 100644
--- a/lib/Transforms/Scalar/CodeGenPrepare.cpp
+++ b/lib/Transforms/Scalar/CodeGenPrepare.cpp
@@ -220,6 +220,7 @@ bool CodeGenPrepare::EliminateFallThrough(Function &F) {
     BranchInst *Term = dyn_cast<BranchInst>(SinglePred->getTerminator());
     if (Term && !Term->isConditional()) {
       Changed = true;
+      DEBUG(dbgs() << "To merge:\n"<< *SinglePred << "\n\n\n");
       // Remember if SinglePred was the entry block of the function.
       // If so, we will need to move BB back to the entry position.
       bool isEntry = SinglePred == &SinglePred->getParent()->getEntryBlock();
@@ -230,7 +231,6 @@ bool CodeGenPrepare::EliminateFallThrough(Function &F) {
 
       // We have erased a block. Update the iterator.
       I = BB;
-      DEBUG(dbgs() << "Merged:\n"<< *SinglePred << "\n\n\n");
     }
   }
   return Changed;