From 566630b99a8606109ea7857f03ba4c8c983e38e3 Mon Sep 17 00:00:00 2001
From: ilgeco <gabriele.magnani@mail.polimi.it>
Date: Thu, 7 May 2026 17:03:35 +0200
Subject: [PATCH] Removed SpatNopPattern

---
 src/PIM/Conversion/SpatialToPim/Patterns.cpp | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/src/PIM/Conversion/SpatialToPim/Patterns.cpp b/src/PIM/Conversion/SpatialToPim/Patterns.cpp
index 8c43f6a..2eed336 100644
--- a/src/PIM/Conversion/SpatialToPim/Patterns.cpp
+++ b/src/PIM/Conversion/SpatialToPim/Patterns.cpp
@@ -23,15 +23,6 @@ using namespace mlir;
 namespace onnx_mlir {
 namespace {
 
-struct EraseSpatNopPattern : public mlir::OpRewritePattern<spatial::SpatNopOp> {
-  using OpRewritePattern<spatial::SpatNopOp>::OpRewritePattern;
-  mlir::LogicalResult matchAndRewrite(spatial::SpatNopOp op, 
-                                      mlir::PatternRewriter &rewriter) const override {
-    rewriter.eraseOp(op);
-    return mlir::success();
-  }
-};
-
 
 static std::optional<unsigned> getDirectComputeInputIndex(Operation* owner, unsigned operandNumber) {
   if (auto compute = dyn_cast<spatial::SpatCompute>(owner)) {
@@ -426,7 +417,7 @@ struct FuncOpArgToGlobalMemoryPattern final : OpRewritePattern<mlir::func::FuncO
 
 } // namespace
 void populateGlobalTensorToMemrefPatterns(RewritePatternSet& patterns) {
-  patterns.add<EraseSpatNopPattern, MoveExtractSliceIntoCompute, FuncOpArgToGlobalMemoryPattern, ArithConstToGlobalMemoryPattern>(
+  patterns.add<MoveExtractSliceIntoCompute, FuncOpArgToGlobalMemoryPattern, ArithConstToGlobalMemoryPattern>(
     patterns.getContext());
 }