[flang][acc] Revert assemblyFormat changes; asyncOnly is an attribute, no need to handle it

Author: khaki3

mlir/include/mlir/Dialect/OpenACC/OpenACCOps.td

@@ -1307,8 +1307,8 @@ def OpenACC_ParallelOp : OpenACC_Op<"parallel",
     ( `combined` `(` `loop` `)` $combined^)?
     oilist(
         `dataOperands` `(` $dataClauseOperands `:` type($dataClauseOperands) `)`
-      | `async` `(` custom<DeviceTypeOperandsWithKeywordOnly>($asyncOperands,
-            type($asyncOperands), $asyncOperandsDeviceType, $asyncOnly) `)`
+      | `async` `(` custom<DeviceTypeOperands>($asyncOperands,
+            type($asyncOperands), $asyncOperandsDeviceType) `)`
       | `firstprivate` `(` custom<SymOperandList>($firstprivateOperands,
             type($firstprivateOperands), $firstprivatizations)
         `)`
@@ -1449,8 +1449,8 @@ def OpenACC_SerialOp : OpenACC_Op<"serial",
     ( `combined` `(` `loop` `)` $combined^)?
     oilist(
         `dataOperands` `(` $dataClauseOperands `:` type($dataClauseOperands) `)`
-      | `async` `(` custom<DeviceTypeOperandsWithKeywordOnly>($asyncOperands,
-            type($asyncOperands), $asyncOperandsDeviceType, $asyncOnly) `)`
+      | `async` `(` custom<DeviceTypeOperands>($asyncOperands,
+            type($asyncOperands), $asyncOperandsDeviceType) `)`
       | `firstprivate` `(` custom<SymOperandList>($firstprivateOperands,
             type($firstprivateOperands), $firstprivatizations)
         `)`
@@ -1618,8 +1618,8 @@ def OpenACC_KernelsOp : OpenACC_Op<"kernels",
     ( `combined` `(` `loop` `)` $combined^)?
     oilist(
         `dataOperands` `(` $dataClauseOperands `:` type($dataClauseOperands) `)`
-      | `async` `(` custom<DeviceTypeOperandsWithKeywordOnly>($asyncOperands,
-            type($asyncOperands), $asyncOperandsDeviceType, $asyncOnly) `)`
+      | `async` `(` custom<DeviceTypeOperands>($asyncOperands,
+            type($asyncOperands), $asyncOperandsDeviceType) `)`
       | `num_gangs` `(` custom<NumGangs>($numGangs,
             type($numGangs), $numGangsDeviceType, $numGangsSegments) `)`
       | `num_workers` `(` custom<DeviceTypeOperands>($numWorkers,
@@ -1741,8 +1741,8 @@ def OpenACC_DataOp : OpenACC_Op<"data",
   let assemblyFormat = [{
     oilist(
         `if` `(` $ifCond `)`
-      | `async` `(` custom<DeviceTypeOperandsWithKeywordOnly>($asyncOperands,
-            type($asyncOperands), $asyncOperandsDeviceType, $asyncOnly) `)`
+      | `async` `(` custom<DeviceTypeOperands>($asyncOperands,
+            type($asyncOperands), $asyncOperandsDeviceType) `)`
       | `dataOperands` `(` $dataClauseOperands `:` type($dataClauseOperands) `)`
       | `wait` `` custom<WaitClause>($waitOperands, type($waitOperands),
           $waitOperandsDeviceType, $waitOperandsSegments, $hasWaitDevnum,
@@ -1802,7 +1802,6 @@ def OpenACC_EnterDataOp : OpenACC_Op<"enter_data",
     Value getDataOperand(unsigned i);
   }];
 
-  // TODO: Show $async and $wait.
   let assemblyFormat = [{
     oilist(
         `if` `(` $ifCond `)`
@@ -1855,7 +1854,6 @@ def OpenACC_ExitDataOp : OpenACC_Op<"exit_data",
     Value getDataOperand(unsigned i);
   }];
 
-  // TODO: Show $async and $wait.
   let assemblyFormat = [{
     oilist(
         `if` `(` $ifCond `)`
@@ -2774,8 +2772,8 @@ def OpenACC_UpdateOp : OpenACC_Op<"update",
   let assemblyFormat = [{
     oilist(
         `if` `(` $ifCond `)`
-      | `async` `(` custom<DeviceTypeOperandsWithKeywordOnly>($asyncOperands,
-            type($asyncOperands), $asyncOperandsDeviceType, $asyncOnly) `)`
+      | `async` `(` custom<DeviceTypeOperands>($asyncOperands,
+            type($asyncOperands), $asyncOperandsDeviceType) `)`
       | `wait` `` custom<WaitClause>($waitOperands, type($waitOperands),
           $waitOperandsDeviceType, $waitOperandsSegments, $hasWaitDevnum,
           $waitOnly)
@@ -2818,7 +2816,6 @@ def OpenACC_WaitOp : OpenACC_Op<"wait", [AttrSizedOperandSegments]> {
                        UnitAttr:$async,
                        Optional<I1>:$ifCond);
 
-  // TODO: Show $async.
   let assemblyFormat = [{
     ( `(` $waitOperands^ `:` type($waitOperands) `)` )?
     oilist(`async` `(` $asyncOperand `:` type($asyncOperand) `)`