[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/Scalar/LoopDistribute.cpp b/llvm/lib/Transforms/Scalar/LoopDistribute.cpp
index 48405a2..a62a44b 100644
--- a/llvm/lib/Transforms/Scalar/LoopDistribute.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopDistribute.cpp
@@ -608,7 +608,7 @@
       return fail("multiple exit blocks");
 
     // LAA will check that we only have a single exiting block.
-    LAI = &LAA->getInfo(L, ValueToValueMap());
+    LAI = &LAA->getInfo(L);
 
     // Currently, we only distribute to isolate the part of the loop with
     // dependence cycles to enable partial vectorization.