diff --git a/mlir/include/mlir/Dialect/OpenMP/OpenMPOps.td b/mlir/include/mlir/Dialect/OpenMP/OpenMPOps.td
--- a/mlir/include/mlir/Dialect/OpenMP/OpenMPOps.td
+++ b/mlir/include/mlir/Dialect/OpenMP/OpenMPOps.td
@@ -783,6 +783,27 @@
   let assemblyFormat = "attr-dict";
 }
 
+//===----------------------------------------------------------------------===//
+// 2.11.9.1 tile construct
+//===----------------------------------------------------------------------===//
+
+def TileOp : OpenMP_Op<"tile"> {
+  let summary = "tile construct";
+  let description = [{
+    The tile construct tiles the outer n loops of the associated loop nest, 
+    where n is the number of items in the sizes clause, which consists of 
+    items s1, . . . , sn. 
+  }];
+
+  let arguments = (ins Variadic<AnyInteger>:$tilesize);
+  
+  let regions = (region AnyRegion:$region);
+  
+  let assemblyFormat = [{ ( `size` `(` $tilesize^ `:` type($tilesize )`)` )?  
+     $region attr-dict
+  }]; 
+}
+
 //===----------------------------------------------------------------------===//
 // 2.13.7 flush Construct
 //===----------------------------------------------------------------------===//
@@ -797,7 +818,7 @@
 
   let arguments = (ins Variadic<OpenMP_PointerLikeType>:$varList);
 
-  let assemblyFormat = [{ ( `(` $varList^ `:` type($varList) `)` )? attr-dict}];
+  let assemblyFormat = [{( `(` $varList^ `:` type($varList) `)` )? attr-dict}];
   let extraClassDeclaration = [{
     /// The number of variable operands.
     unsigned getNumVariableOperands() {
@@ -809,6 +830,7 @@
     }
   }];
 }
+
 //===----------------------------------------------------------------------===//
 // 2.14.5 target construct
 //===----------------------------------------------------------------------===//
@@ -851,7 +873,6 @@
   }];
 }
 
-
 //===----------------------------------------------------------------------===//
 // 2.16 master Construct
 //===----------------------------------------------------------------------===//