ScopDectect: Allow memory accesses with different element types by default (try 3)

First support for this feature was committed in r259784. Support for
loop invariant load hoisting with different types was added by
Johannes Doerfert in r260045 and r260886.

llvm-svn: 260965

polly/lib/Analysis/ScopDetection.cpp

@@ -124,7 +124,7 @@ static cl::opt<bool>
 static cl::opt<bool> AllowDifferentTypes(
     "polly-allow-differing-element-types",
     cl::desc("Allow different element types for array accesses"), cl::Hidden,
-    cl::init(false), cl::ZeroOrMore, cl::cat(PollyCategory));
+    cl::init(true), cl::ZeroOrMore, cl::cat(PollyCategory));
 
 static cl::opt<bool>
     AllowNonAffine("polly-allow-nonaffine",