Rename the slp-vectorizer clang/llvm flags. No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179505 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/IPO/PassManagerBuilder.cpp b/lib/Transforms/IPO/PassManagerBuilder.cpp
index 027a9f2..d611bed 100644
--- a/lib/Transforms/IPO/PassManagerBuilder.cpp
+++ b/lib/Transforms/IPO/PassManagerBuilder.cpp
@@ -33,7 +33,7 @@
                      cl::desc("Run the Loop vectorization passes"));
 
 static cl::opt<bool>
-RunBBVectorization("vectorize", cl::desc("Run the BB vectorization passes"));
+RunSLPVectorization("vectorize-slp", cl::desc("Run the SLP vectorization passes"));
 
 static cl::opt<bool>
 UseGVNAfterVectorization("use-gvn-after-vectorization",
@@ -52,7 +52,7 @@
     DisableSimplifyLibCalls = false;
     DisableUnitAtATime = false;
     DisableUnrollLoops = false;
-    Vectorize = RunBBVectorization;
+    SLPVectorize = RunSLPVectorization;
     LoopVectorize = RunLoopVectorization;
 }
 
@@ -207,7 +207,7 @@
 
   addExtensionsToPM(EP_ScalarOptimizerLate, MPM);
 
-  if (Vectorize) {
+  if (SLPVectorize) {
     MPM.add(createBBVectorizePass());
     MPM.add(createInstructionCombiningPass());
     if (OptLevel > 1 && UseGVNAfterVectorization)