[llvm] [mlir] Add ContractionOpInterface utility functions for vector matrix multiplication (PR #68945)

[Jerry Wu via llvm-commits]

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@@ -86,6 +86,39 @@ def LinalgContractionOpInterface : OpInterface<"ContractionOpInterface"> {
     /*methodBody=*/[{
         return mlir::isRowMajorBatchMatmul($_op.getIndexingMaps());
     }]>,
+    InterfaceMethod<
+    /*desc=*/[{
+      Returns whether the given op has indexing maps that correspond to a
+      vector-matrix multiplication.
+    }],
+    /*retTy=*/"bool",
+    /*methodName=*/"isVecmat",
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pzread wrote:

According to the existing methods, do we need to specify these are raw major vecmat?

https://github.com/llvm/llvm-project/pull/68945