[llvm] c78acc9 - [NFC]Fix possibly derefer nullptr in ComplexDeinterleavingPass.cpp

[via llvm-commits]

Author: Wang, Xin10
Date: 2023-06-28T23:26:09-04:00
New Revision: c78acc92759cda8fc6ecb2690df39c7ee65355bf

URL: https://github.com/llvm/llvm-project/commit/c78acc92759cda8fc6ecb2690df39c7ee65355bf
DIFF: https://github.com/llvm/llvm-project/commit/c78acc92759cda8fc6ecb2690df39c7ee65355bf.diff

LOG: [NFC]Fix possibly derefer nullptr in ComplexDeinterleavingPass.cpp

Fix static analyzer reports issue, add assert to avoid analyzer report.

Reviewed By: igor.kirillov

Differential Revision: https://reviews.llvm.org/D153942

Added: 
    

Modified: 
    llvm/lib/CodeGen/ComplexDeinterleavingPass.cpp

Removed: 
    


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diff  --git a/llvm/lib/CodeGen/ComplexDeinterleavingPass.cpp b/llvm/lib/CodeGen/ComplexDeinterleavingPass.cpp
index 08f2867703c10..2464ebab221d4 100644
--- a/llvm/lib/CodeGen/ComplexDeinterleavingPass.cpp
+++ b/llvm/lib/CodeGen/ComplexDeinterleavingPass.cpp
@@ -1046,7 +1046,7 @@ ComplexDeinterleavingGraph::identifyReassocNodes(Instruction *Real,
     if (!FinalNode)
       return nullptr;
   }
-
+  assert(FinalNode && "FinalNode can not be nullptr here");
   // Set the Real and Imag fields of the final node and submit it
   FinalNode->Real = Real;
   FinalNode->Imag = Imag;