[flang] [llvm] [mlir] [OpenMPIRBuilder] Emit __atomic_load and __atomic_compare_exchange libcalls for complex types in atomic update (PR #92364)

[via llvm-commits]

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@@ -1640,8 +1640,7 @@ convertOmpAtomicUpdate(omp::AtomicUpdateOp &opInst,
     }
   }
   if (!isRegionArgUsed)
-    return opInst.emitError("no atomic update operation with region argument"
-                            " as operand found inside atomic.update region");
+    shouldEmitLibCall = true;
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NimishMishra wrote:

Okay thanks. I'll make this change in the next update

https://github.com/llvm/llvm-project/pull/92364