Simplify code. No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166393 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Vectorize/LoopVectorize.cpp b/lib/Transforms/Vectorize/LoopVectorize.cpp
index 7efb003..dfa2909 100644 (file)
--- a/lib/Transforms/Vectorize/LoopVectorize.cpp
+++ b/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -1230,7 +1230,7 @@ bool LoopVectorizationLegality::AddReductionVar(PHINode *Phi,
 
     // If the instruction has no users then this is a broken
     // chain and can't be a reduction variable.
-    if (Iter->use_begin() == Iter->use_end())
+    if (Iter->use_empty())
       return false;
 
     // For each of the *users* of iter.