[llvm] [VPlan] Strip phi-check in collectUsersRecursively (NFC) (PR #194816)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-transforms

Author: Ramkumar Ramachandra (artagnon)

<details>
<summary>Changes</summary>

The SetVector already ensures that there are no cycles in the collection.

---
Full diff: https://github.com/llvm/llvm-project/pull/194816.diff


1 Files Affected:

- (modified) llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp (-2) 


``````````diff
diff --git a/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp b/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
index 4c0f7d5bd2f93..356e7b9b7886a 100644
--- a/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
+++ b/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
@@ -801,8 +801,6 @@ static SmallVector<VPUser *> collectUsersRecursively(VPValue *V) {
   SetVector<VPUser *> Users(llvm::from_range, V->users());
   for (unsigned I = 0; I != Users.size(); ++I) {
     VPRecipeBase *Cur = cast<VPRecipeBase>(Users[I]);
-    if (isa<VPHeaderPHIRecipe>(Cur))
-      continue;
     for (VPValue *V : Cur->definedValues())
       Users.insert_range(V->users());
   }

``````````

</details>


https://github.com/llvm/llvm-project/pull/194816