[mlir][openacc] Update host_data data operands list name

[razvanlupusoru]

Summary

For all other compute and data constructs, the data operands list
is named dataClauseOperands. Update acc.host_data to be
consistent with this naming.

[clementval]

LGTM! Thanks for fixing this

[razvanlupusoru]

Rebase

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

let description = [{
     %0 = acc.use_device varPtr(%a : !llvm.ptr<f32>) -> !llvm.ptr<f32>
     acc.host_data dataOperands(%0 : !llvm.ptr<f32>) {
 
     }
     ```
   }];
 
   let arguments = (ins Optional<I1>:$ifCond,
-                       Variadic<OpenACC_PointerLikeTypeInterface>:$dataOperands,
+                       Variadic<OpenACC_PointerLikeTypeInterface>:$dataClauseOperands,
                        UnitAttr:$ifPresent);
 
   let regions = (region AnyRegion:$region);
 
   let assemblyFormat = [{
     oilist(
         `if` `(` $ifCond `)`
-      | `dataOperands` `(` $dataOperands `:` type($dataOperands) `)`
+      | `dataOperands` `(` $dataClauseOperands `:` type($dataClauseOperands) `)`
     )
     $region attr-dict-with-keyword
   }];
 
   let hasVerifier = 1;
   let hasCanonicalizer = 1;
 }
 

mlir/lib/Dialect/OpenACC/IR/OpenACC.cpp

LogicalResult acc::KernelsOp::verify() {
   return checkDataOperands<acc::KernelsOp>(*this, getDataClauseOperands());
 }
 
 //===----------------------------------------------------------------------===//
 // HostDataOp
 //===----------------------------------------------------------------------===//
 
 LogicalResult acc::HostDataOp::verify() {
-  if (getDataOperands().empty())
+  if (getDataClauseOperands().empty())
     return emitError("at least one operand must appear on the host_data "
                      "operation");
 
-  for (mlir::Value operand : getDataOperands())
+  for (mlir::Value operand : getDataClauseOperands())
     if (!mlir::isa<acc::UseDeviceOp>(operand.getDefiningOp()))
       return emitError("expect data entry operation as defining op");
   return success();
 }
 
 void acc::HostDataOp::getCanonicalizationPatterns(RewritePatternSet &results,
                                                   MLIRContext *context) {
   results.add<RemoveConstantIfConditionWithRegion<HostDataOp>>(context);