Bugfix: When looking for a legal vector type, stop looking when a non-simple

element type is found.
This fix addresses some of the tests in Duncan's testcase (forthcoming).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132891 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Target/TargetLowering.h

@@ -1853,6 +1853,7 @@ private:
       // If there is no simple vector type with this many elements then there
       // cannot be a larger legal vector type.  Note that this assumes that
       // there are no skipped intermediate vector types in the simple types.
+      if (!EltVT.isSimple()) break;
       MVT LargerVector = MVT::getVectorVT(EltVT.getSimpleVT(), NumElts);
       if (LargerVector == MVT()) break;