[clang] [llvm] [mlir] [OMPIRBuilder] - Handle dependencies in `createTarget` (PR #93977)

[Sergio Afonso via llvm-commits]

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@@ -705,28 +728,9 @@ convertOmpTaskOp(omp::TaskOp taskOp, llvm::IRBuilderBase &builder,
   };
 
   SmallVector<llvm::OpenMPIRBuilder::DependData> dds;
-  if (!taskOp.getDependVars().empty() && taskOp.getDepends()) {
-    for (auto dep :
-         llvm::zip(taskOp.getDependVars(), taskOp.getDepends()->getValue())) {
-      llvm::omp::RTLDependenceKindTy type;
-      switch (
-          cast<mlir::omp::ClauseTaskDependAttr>(std::get<1>(dep)).getValue()) {
-      case mlir::omp::ClauseTaskDepend::taskdependin:
-        type = llvm::omp::RTLDependenceKindTy::DepIn;
-        break;
-      // The OpenMP runtime requires that the codegen for 'depend' clause for
-      // 'out' dependency kind must be the same as codegen for 'depend' clause
-      // with 'inout' dependency.
-      case mlir::omp::ClauseTaskDepend::taskdependout:
-      case mlir::omp::ClauseTaskDepend::taskdependinout:
-        type = llvm::omp::RTLDependenceKindTy::DepInOut;
-        break;
-      };
-      llvm::Value *depVal = moduleTranslation.lookupValue(std::get<0>(dep));
-      llvm::OpenMPIRBuilder::DependData dd(type, depVal->getType(), depVal);
-      dds.emplace_back(dd);
-    }
-  }
+  if (!taskOp.getDependVars().empty() && taskOp.getDepends())
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skatrak wrote:

Nit: I'd suggest moving this check into `buildDependData`, since it always needs to be done. It would just return without adding anything to `dds` if the condition is not met.

https://github.com/llvm/llvm-project/pull/93977