[llvm] [LoopVectorize] Generate wide active lane masks (PR #147535)

[Florian Hahn via llvm-commits]

================
@@ -12,6 +12,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "VPlanTransforms.h"
+#include "LoopVectorizationPlanner.h"
----------------
fhahn wrote:

This is just to get access to `extern cl::opt<bool> EnableWideActiveLaneMask;`? In that case, better move the extern definition here?

https://github.com/llvm/llvm-project/pull/147535