[llvm] [DSE] Fix uninitialized variable (PR #142768)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-transforms

Author: None (clubby789)

<details>
<summary>Changes</summary>

Introduced by accident in #<!-- -->138299 (https://lab.llvm.org/buildbot/#/builders/164/builds/10604)

cc @<!-- -->nikic 

---
Full diff: https://github.com/llvm/llvm-project/pull/142768.diff


1 Files Affected:

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


``````````diff
diff --git a/llvm/lib/Transforms/Scalar/DeadStoreElimination.cpp b/llvm/lib/Transforms/Scalar/DeadStoreElimination.cpp
index 59a08e58b226a..49a0c88922c3e 100644
--- a/llvm/lib/Transforms/Scalar/DeadStoreElimination.cpp
+++ b/llvm/lib/Transforms/Scalar/DeadStoreElimination.cpp
@@ -2029,7 +2029,7 @@ struct DSEState {
     auto *InnerCallee = Malloc->getCalledFunction();
     if (!InnerCallee)
       return false;
-    LibFunc Func;
+    LibFunc Func = NotLibFunc;
     StringRef ZeroedVariantName;
     if (!TLI.getLibFunc(*InnerCallee, Func) || !TLI.has(Func) ||
         Func != LibFunc_malloc) {

``````````

</details>


https://github.com/llvm/llvm-project/pull/142768