diff --git a/mlir/include/mlir/Dialect/OpenACC/OpenACCOps.td b/mlir/include/mlir/Dialect/OpenACC/OpenACCOps.td
--- a/mlir/include/mlir/Dialect/OpenACC/OpenACCOps.td
+++ b/mlir/include/mlir/Dialect/OpenACC/OpenACCOps.td
@@ -94,12 +94,15 @@
   }];
 
   let arguments = (ins Optional<IntOrIndex>:$async,
+                       UnitAttr:$asyncAttr,
                        Variadic<IntOrIndex>:$waitOperands,
+                       UnitAttr:$waitAttr,
                        Optional<IntOrIndex>:$numGangs,
                        Optional<IntOrIndex>:$numWorkers,
                        Optional<IntOrIndex>:$vectorLength,
                        Optional<I1>:$ifCond,
                        Optional<I1>:$selfCond,
+                       UnitAttr:$selfAttr,
                        OptionalAttr<OpenACC_ReductionOpAttr>:$reductionOp,
                        Variadic<AnyType>:$reductionOperands,
                        Variadic<AnyType>:$copyOperands,
@@ -121,12 +124,15 @@
 
   let extraClassDeclaration = [{
     static StringRef getAsyncKeyword() { return "async"; }
+    static StringRef getAsyncAttrName() { return "asyncAttr"; }
     static StringRef getWaitKeyword() { return "wait"; }
+    static StringRef getWaitAttrName() { return "waitAttr"; }
     static StringRef getNumGangsKeyword() { return "num_gangs"; }
     static StringRef getNumWorkersKeyword() { return "num_workers"; }
     static StringRef getVectorLengthKeyword() { return "vector_length"; }
     static StringRef getIfKeyword() { return "if"; }
     static StringRef getSelfKeyword() { return "self"; }
+    static StringRef getSelfAttrName() { return "selfAttr"; }
     static StringRef getReductionKeyword() { return "reduction"; }
     static StringRef getCopyKeyword() { return "copy"; }
     static StringRef getCopyinKeyword() { return "copyin"; }
@@ -310,4 +316,3 @@
 }
 
 #endif // OPENACC_OPS
-
diff --git a/mlir/test/Dialect/OpenACC/ops.mlir b/mlir/test/Dialect/OpenACC/ops.mlir
--- a/mlir/test/Dialect/OpenACC/ops.mlir
+++ b/mlir/test/Dialect/OpenACC/ops.mlir
@@ -379,6 +379,12 @@
   } attributes {defaultAttr = "none"}
   acc.parallel {
   } attributes {defaultAttr = "present"}
+  acc.parallel {
+  } attributes {asyncAttr}
+  acc.parallel {
+  } attributes {waitAttr}
+  acc.parallel {
+  } attributes {selfAttr}
   return
 }
 
@@ -438,6 +444,12 @@
 // CHECK-NEXT: } attributes {defaultAttr = "none"}
 // CHECK:      acc.parallel {
 // CHECK-NEXT: } attributes {defaultAttr = "present"}
+// CHECK:      acc.parallel {
+// CHECK-NEXT: } attributes {asyncAttr}
+// CHECK:      acc.parallel {
+// CHECK-NEXT: } attributes {waitAttr}
+// CHECK:      acc.parallel {
+// CHECK-NEXT: } attributes {selfAttr}
 
 // -----