[llvm] [Scalar] Remove an unused variable (PR #105767)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-transforms

Author: Kazu Hirata (kazutakahirata)

<details>
<summary>Changes</summary>

The last use was removed by:

  commit 89fe570958f8b82df9a9c3b4c251ecba9753272a
  Author: Philip Reames <listmail@<!-- -->philipreames.com>
  Date:   Tue May 12 23:39:23 2015 +0000


---
Full diff: https://github.com/llvm/llvm-project/pull/105767.diff


1 Files Affected:

- (modified) llvm/lib/Transforms/Scalar/PlaceSafepoints.cpp (-1) 


``````````diff
diff --git a/llvm/lib/Transforms/Scalar/PlaceSafepoints.cpp b/llvm/lib/Transforms/Scalar/PlaceSafepoints.cpp
index 77d67a2ce0f380..bf86be0dd387f0 100644
--- a/llvm/lib/Transforms/Scalar/PlaceSafepoints.cpp
+++ b/llvm/lib/Transforms/Scalar/PlaceSafepoints.cpp
@@ -342,7 +342,6 @@ bool PlaceSafepointsPass::runImpl(Function &F, const TargetLibraryInfo &TLI) {
         // The split loop structure here is so that we only need to recalculate
         // the dominator tree once.  Alternatively, we could just keep it up to
         // date and use a more natural merged loop.
-        SetVector<BasicBlock *> SplitBackedges;
         for (BasicBlock *Header : Headers) {
           BasicBlock *NewBB = SplitEdge(Term->getParent(), Header, &DT);
           PollsNeeded.push_back(NewBB->getTerminator());

``````````

</details>


https://github.com/llvm/llvm-project/pull/105767