[llvm] [SimplifyCFG] Remove unused variable. NFC. (PR #134211)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-transforms

Author: Yingwei Zheng (dtcxzyw)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/134211.diff


1 Files Affected:

- (modified) llvm/lib/Transforms/Utils/SimplifyCFG.cpp (-1) 


``````````diff
diff --git a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp
index e7c550be00b14..eac7e7c209c95 100644
--- a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp
+++ b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp
@@ -6228,7 +6228,6 @@ static bool initializeUniqueCases(SwitchInst *SI, PHINode *&PHI,
   }
   // Find the default result value.
   SmallVector<std::pair<PHINode *, Constant *>, 1> DefaultResults;
-  BasicBlock *DefaultDest = SI->getDefaultDest();
   getCaseResults(SI, nullptr, SI->getDefaultDest(), &CommonDest, DefaultResults,
                  DL, TTI);
   // If the default value is not found abort unless the default destination

``````````

</details>


https://github.com/llvm/llvm-project/pull/134211