[llvm] [mlir] [OMPIRBuilder] Don't generate DISubprogram for outlined function. (PR #138149)

[Sergio Afonso via llvm-commits]

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@@ -4982,6 +4982,20 @@ static LogicalResult
 convertOmpTarget(Operation &opInst, llvm::IRBuilderBase &builder,
                  LLVM::ModuleTranslation &moduleTranslation) {
   auto targetOp = cast<omp::TargetOp>(opInst);
+  // The current debug location already has the DISubprogram for the outlined
+  // function that will be created for the target op. We save it here so that
+  // we can set it on the outlined function.
+  llvm::DebugLoc OutlinedFnLoc = builder.getCurrentDebugLocation();
+  // During the handling of target op, we will generate instructions in the
+  // parent function like call to oulined function or branch to new BasicBlock.
----------------
skatrak wrote:

```suggestion
  // parent function like call to the outlined function or branch to new a BasicBlock.
```

https://github.com/llvm/llvm-project/pull/138149