[Mlir-commits] [mlir] [mlir][nvgpu] Fix crash when handling 0D memref in OptimizeSharedMemoryPass (PR #124517)

[Guray Ozen]

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@@ -152,6 +152,9 @@ mlir::nvgpu::optimizeSharedMemoryReadsAndWrites(Operation *parentOp,
   if (!memRefType || !NVGPUDialect::hasSharedMemoryAddressSpace(memRefType))
     return failure();
 
+  if (memRefType.getRank() == 0)
+    return failure();
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grypp wrote:

Can we add one-line comment here why do we return failure

https://github.com/llvm/llvm-project/pull/124517