[Mlir-commits] [mlir] [mlir][linalg] Add folder for transpose(transpose) -> transpose (PR #93606)

[donald chen]

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@@ -1866,6 +1866,36 @@ LogicalResult TransposeOp::fold(FoldAdaptor adaptor,
   return failure();
 }
 
+/// Fold transpose with transpose.
+struct FoldTransposeWithTranspose : OpRewritePattern<linalg::TransposeOp> {
+  using OpRewritePattern<linalg::TransposeOp>::OpRewritePattern;
+
+  LogicalResult matchAndRewrite(linalg::TransposeOp transposeOp,
+                                PatternRewriter &rewriter) const override {
+    if (auto defTransposeOp =
+            transposeOp.getInput().getDefiningOp<TransposeOp>()) {
+
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cxy-1993 wrote:

nit: remove redundant blank line

https://github.com/llvm/llvm-project/pull/93606