[llvm] [VPlan] Enable vectorization of early-exit loops with unit-stride fault-only-first loads (PR #151300)

[Luke Lau via llvm-commits]

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@@ -399,6 +399,12 @@ static cl::opt<bool> EnableEarlyExitVectorization(
     cl::desc(
         "Enable vectorization of early exit loops with uncountable exits."));
 
+static cl::opt<bool>
+    EnableEarlyExitWithFFLoads("enable-early-exit-with-ffload", cl::init(false),
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lukel97 wrote:

In the spirit of [incremental development](https://llvm.org/docs/DeveloperPolicy.html#id24) can we remove this option just have it on by default? 

https://github.com/llvm/llvm-project/pull/151300