[llvm-branch-commits] [flang] [llvm] [mlir] [Flang][OpenMP][MLIR] Initial declare target to for variables implementation (PR #119589)

[Sergio Afonso via llvm-branch-commits]

================
@@ -5150,11 +5213,17 @@ handleDeclareTargetMapVar(MapInfoData &mapData,
       for (llvm::User *user : userVec) {
         if (auto *insn = dyn_cast<llvm::Instruction>(user)) {
           if (insn->getFunction() == func) {
-            builder.SetCurrentDebugLocation(insn->getDebugLoc());
-            auto *load = builder.CreateLoad(mapData.BasePointers[i]->getType(),
-                                            mapData.BasePointers[i]);
-            load->moveBefore(insn->getIterator());
-            user->replaceUsesOfWith(mapData.OriginalValue[i], load);
+            auto mapOp = cast<omp::MapInfoOp>(mapData.MapClause[i]);
+            llvm::Value *substitute = mapData.BasePointers[i];
+            if (isDeclareTargetLink(mapOp.getVarPtrPtr() ? mapOp.getVarPtrPtr()
+                                                         : mapOp.getVarPtr())) 
{
+              builder.SetCurrentDebugLocation(insn->getDebugLoc());
+              auto *load = builder.CreateLoad(
+                  mapData.BasePointers[i]->getType(), mapData.BasePointers[i]);
+              load->moveBefore(insn);
+              substitute = load;
----------------
skatrak wrote:

```suggestion
              substitute = builder.CreateLoad(
                  mapData.BasePointers[i]->getType(), mapData.BasePointers[i]);
              substitute->moveBefore(insn);
```

https://github.com/llvm/llvm-project/pull/119589
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