[LAA] Default getInfo to not speculate symbolic strides. NFC

Soon we won't be passing Strides to getInfo and then we'll have fewer
call sites to update.

llvm-svn: 272878
diff --git a/llvm/lib/Transforms/Utils/LoopVersioning.cpp b/llvm/lib/Transforms/Utils/LoopVersioning.cpp
index 65d781b..baf1a87 100644
--- a/llvm/lib/Transforms/Utils/LoopVersioning.cpp
+++ b/llvm/lib/Transforms/Utils/LoopVersioning.cpp
@@ -277,7 +277,7 @@
     // Now walk the identified inner loops.
     bool Changed = false;
     for (Loop *L : Worklist) {
-      const LoopAccessInfo &LAI = LAA->getInfo(L, ValueToValueMap());
+      const LoopAccessInfo &LAI = LAA->getInfo(L);
       if (LAI.getNumRuntimePointerChecks() ||
           !LAI.PSE.getUnionPredicate().isAlwaysTrue()) {
         LoopVersioning LVer(LAI, L, LI, DT, SE);