[Mlir-commits] [mlir] f304fd0 - [mlir][tensor][NFC] Remove dead code `tensor.extract_slice` canonicalization pattern (#131903)

[llvmlistbot at llvm.org]

Author: Matthias Springer
Date: 2025-03-19T08:35:40+01:00
New Revision: f304fd0d5c79024954f198a4714df6957cff5eef

URL: https://github.com/llvm/llvm-project/commit/f304fd0d5c79024954f198a4714df6957cff5eef
DIFF: https://github.com/llvm/llvm-project/commit/f304fd0d5c79024954f198a4714df6957cff5eef.diff

LOG: [mlir][tensor][NFC] Remove dead code `tensor.extract_slice` canonicalization pattern (#131903)

Folding a cast into an `extract_slice` does not change the result type.

Added: 
    

Modified: 
    mlir/lib/Dialect/Tensor/IR/TensorOps.cpp

Removed: 
    


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diff  --git a/mlir/lib/Dialect/Tensor/IR/TensorOps.cpp b/mlir/lib/Dialect/Tensor/IR/TensorOps.cpp
index e5a32c0bbd4e0..2d5df07f8af4b 100644
--- a/mlir/lib/Dialect/Tensor/IR/TensorOps.cpp
+++ b/mlir/lib/Dialect/Tensor/IR/TensorOps.cpp
@@ -2476,8 +2476,6 @@ class ExtractSliceOpCastFolder final : public OpRewritePattern<ExtractSliceOp> {
         loc, sliceOp.getType(), castOp.getSource(), sliceOp.getOffsets(),
         sliceOp.getSizes(), sliceOp.getStrides(), sliceOp.getStaticOffsets(),
         sliceOp.getStaticSizes(), sliceOp.getStaticStrides());
-    if (newResult.getType() != sliceOp.getType())
-      newResult = rewriter.create<CastOp>(loc, sliceOp.getType(), newResult);
     rewriter.replaceOp(sliceOp, newResult);
     return success();
   }