[llvm] [LV] Add `-force-target-supports-masked-memory-ops` option (PR #184325)

[Benjamin Maxwell via llvm-commits]

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@@ -198,6 +198,11 @@ static cl::opt<unsigned> VectorizeMemoryCheckThreshold(
     "vectorize-memory-check-threshold", cl::init(128), cl::Hidden,
     cl::desc("The maximum allowed number of runtime memory checks"));
 
+static cl::opt<bool> ForceTargetSupportsMaskedMemoryOps(
+    "force-target-supports-masked-memory-ops", cl::init(false), cl::Hidden,
+    cl::desc("Assume the target supports masked memory operations (used for "
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MacDue wrote:

Added some more documentation 

https://github.com/llvm/llvm-project/pull/184325