[llvm] [DAG] visitFREEZE - remove unused HadMaybePoisonOperands check. NFC. (PR #149517)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-selectiondag

Author: Simon Pilgrim (RKSimon)

<details>
<summary>Changes</summary>

Redundant since #<!-- -->145939

---
Full diff: https://github.com/llvm/llvm-project/pull/149517.diff


1 Files Affected:

- (modified) llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp (+1-5) 


``````````diff
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 40464e91f9efc..867c7934a8a71 100644
--- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -16772,12 +16772,8 @@ SDValue DAGCombiner::visitFREEZE(SDNode *N) {
     if (DAG.isGuaranteedNotToBeUndefOrPoison(Op, /*PoisonOnly*/ false,
                                              /*Depth*/ 1))
       continue;
-    bool HadMaybePoisonOperands = !MaybePoisonOperands.empty();
-    bool IsNewMaybePoisonOperand = MaybePoisonOperands.insert(Op).second;
-    if (IsNewMaybePoisonOperand)
+    if (MaybePoisonOperands.insert(Op).second)
       MaybePoisonOperandNumbers.push_back(OpNo);
-    if (!HadMaybePoisonOperands)
-      continue;
   }
   // NOTE: the whole op may be not guaranteed to not be undef or poison because
   // it could create undef or poison due to it's poison-generating flags.

``````````

</details>


https://github.com/llvm/llvm-project/pull/149517