[Mlir-commits] [mlir] [mlir][memref] Introduce `memref.distinct_objects` op (PR #156913)

[Matthias Springer]

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@@ -465,6 +465,48 @@ struct AssumeAlignmentOpLowering
   }
 };
 
+struct DistinctObjectsOpLowering
+    : public ConvertOpToLLVMPattern<memref::DistinctObjectsOp> {
+  using ConvertOpToLLVMPattern<
+      memref::DistinctObjectsOp>::ConvertOpToLLVMPattern;
+  explicit DistinctObjectsOpLowering(const LLVMTypeConverter &converter)
+      : ConvertOpToLLVMPattern<memref::DistinctObjectsOp>(converter) {}
+
+  LogicalResult
+  matchAndRewrite(memref::DistinctObjectsOp op, OpAdaptor adaptor,
+                  ConversionPatternRewriter &rewriter) const override {
+    ValueRange operands = adaptor.getOperands();
+    if (operands.empty()) {
+      rewriter.eraseOp(op);
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matthias-springer wrote:

nit: Add `// Fast path` comment

https://github.com/llvm/llvm-project/pull/156913