diff --git a/mlir/include/mlir/Dialect/Linalg/IR/LinalgInterfaces.td b/mlir/include/mlir/Dialect/Linalg/IR/LinalgInterfaces.td
--- a/mlir/include/mlir/Dialect/Linalg/IR/LinalgInterfaces.td
+++ b/mlir/include/mlir/Dialect/Linalg/IR/LinalgInterfaces.td
@@ -35,6 +35,22 @@
   let cppNamespace = "::mlir::linalg";
   let verify = [{ return detail::verifyContractionInterface($_op); }];
   let methods = [
+    InterfaceMethod<
+    /*desc=*/"Returns the left-hand side operand.",
+    /*retTy=*/"Value",
+    /*methodName=*/"lhs",
+    /*args=*/(ins),
+    /*methodBody=*/[{
+      return $_op.getOperation()->getOperand(0);
+    }]>,
+    InterfaceMethod<
+    /*desc=*/"Returns the right-hand side operand.",
+    /*retTy=*/"Value",
+    /*methodName=*/"rhs",
+    /*args=*/(ins),
+    /*methodBody=*/[{
+      return $_op.getOperation()->getOperand(1);
+    }]>,
     InterfaceMethod<
     /*desc=*/[{
       Returns whether the given op has indexing maps that correspond to a