Add a debug print

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181647 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 2 insertions, 0 deletions

diff --git a/lib/Transforms/Vectorize/SLPVectorizer.cpp b/lib/Transforms/Vectorize/SLPVectorizer.cpp
index cc30cc9278..4e89ac7c09 100644
--- a/lib/Transforms/Vectorize/SLPVectorizer.cpp
+++ b/lib/Transforms/Vectorize/SLPVectorizer.cpp
@@ -77,6 +77,8 @@ struct SLPVectorizer : public FunctionPass {
     if (!DL)
       return false;
 
+    DEBUG(dbgs()<<"SLP: Analyzing blocks in " << F.getName() << ".\n");
+
     for (Function::iterator it = F.begin(), e = F.end(); it != e; ++it) {
       BasicBlock *BB = it;
       bool BBChanged = false;