[llvm] [LoopDist] Add metadata for checking post process state of distribute… (PR #153902)

[Michael Kruse via llvm-commits]

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@@ -986,6 +990,14 @@ static bool runImpl(Function &F, LoopInfo *LI, DominatorTree *DT,
   for (Loop *L : Worklist) {
     LoopDistributeForLoop LDL(L, &F, LI, DT, SE, LAIs, ORE);
 
+    // Do not reprocess loops we already distributed
+    if (auto Distributed =
+            getOptionalIntLoopAttribute(L, DistributedMetaData)) {
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Meinersbur wrote:

```suggestion
            getOptionalBoolLoopAttribute(L, DistributedMetaData)) {
```

https://github.com/llvm/llvm-project/pull/153902