[Mlir-commits] [mlir] [mlir][vector] Use inferRankReducedResultType for subview type inference. (PR #84395)

[Benjamin Maxwell]

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@@ -1337,8 +1301,10 @@ class DropInnerMostUnitDimsTransferRead
                                       rewriter.getIndexAttr(0));
     SmallVector<OpFoldResult> strides(srcType.getRank(),
                                       rewriter.getIndexAttr(1));
-    MemRefType resultMemrefType =
-        getMemRefTypeWithDroppingInnerDims(rewriter, srcType, dimsToDrop);
+    auto resultMemrefType =
+        cast<MemRefType>(memref::SubViewOp::inferRankReducedResultType(
+            srcType.getShape().drop_back(dimsToDrop), srcType, offsets, sizes,
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MacDue wrote:

The `SubVewOp` already has builders that don't take the result type (and will infer it), so I think computing the result type can be omitted in both these rewrites. 

https://github.com/llvm/llvm-project/pull/84395