[llvm] [LoopIdiom] Strip dead check in processLoopMemSet (NFC) (PR #141100)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-transforms

Author: Ramkumar Ramachandra (artagnon)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/141100.diff


1 Files Affected:

- (modified) llvm/lib/Transforms/Scalar/LoopIdiomRecognize.cpp (-2) 


``````````diff
diff --git a/llvm/lib/Transforms/Scalar/LoopIdiomRecognize.cpp b/llvm/lib/Transforms/Scalar/LoopIdiomRecognize.cpp
index 0eaed2eddcdbb..95ac0a61b34bd 100644
--- a/llvm/lib/Transforms/Scalar/LoopIdiomRecognize.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopIdiomRecognize.cpp
@@ -867,8 +867,6 @@ bool LoopIdiomRecognize::processLoopMemSet(MemSetInst *MSI,
 
   const SCEV *PointerStrideSCEV = Ev->getOperand(1);
   const SCEV *MemsetSizeSCEV = SE->getSCEV(MSI->getLength());
-  if (!PointerStrideSCEV || !MemsetSizeSCEV)
-    return false;
 
   bool IsNegStride = false;
   const bool IsConstantSize = isa<ConstantInt>(MSI->getLength());

``````````

</details>


https://github.com/llvm/llvm-project/pull/141100