[Mlir-commits] [mlir] [mlir][linalg] Add NHWC + FHWC Img2Col (PR #68708)

[Quinn Dawkins]

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@@ -534,6 +668,19 @@ class ConvertConv2DNchwFchw final
     return success();
   }
 };
+
+class ConvertConv2DNhwcFhwc final
+    : public OpRewritePattern<linalg::Conv2DNhwcFhwcOp> {
+public:
+  using OpRewritePattern::OpRewritePattern;
+
+  LogicalResult matchAndRewrite(linalg::Conv2DNhwcFhwcOp convOp,
+                                PatternRewriter &rewriter) const override {
+    if (failed(rewriteInIm2Col(rewriter, convOp)))
+      return failure();
+    return success();
+  }
+};
 } // end anonymous namespace
 
 void populateConvertConv2DToImg2ColPatterns(RewritePatternSet &patterns) {
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qedawkins wrote:

Add the new conversion pattern to the pattern population as well.

https://github.com/llvm/llvm-project/pull/68708