[llvm] [LV] Add initial legality checks for loops with unbound loads. (PR #152422)

[Florian Hahn via llvm-commits]

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@@ -630,6 +635,9 @@ class LoopVectorizationLegality {
   /// may work on the same memory location.
   SmallVector<HistogramInfo, 1> Histograms;
 
+  /// Hold all loads that need to be fault-only-first.
+  SmallPtrSet<const Instruction *, 4> FaultOnlyFirstLoads;
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fhahn wrote:

See above regarding naming

https://github.com/llvm/llvm-project/pull/152422