[llvm] [LV] Invalidate interleave groups with dead members (PR #205584)

[Luke Lau via llvm-commits]

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@@ -1715,6 +1715,30 @@ void InterleavedAccessInfo::invalidateGroupsRequiringScalarEpilogue() {
   RequiresScalarEpilogue = false;
 }
 
+void InterleavedAccessInfo::invalidateDeadGroups(
+    const SmallPtrSetImpl<const Value *> &DeadValues) {
+  if (InterleaveGroups.empty() || DeadValues.empty())
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lukel97 wrote:

Nit, is the InterleaveGroups.empty() check needed?

https://github.com/llvm/llvm-project/pull/205584