[llvm-branch-commits] [clang] [llvm] [mlir] [MLIR][OpenMP] Add LLVM translation support for OpenMP UserDefinedMappers (PR #124746)

[Sergio Afonso via llvm-branch-commits]

================
@@ -8130,17 +8135,19 @@ Function *OpenMPIRBuilder::emitUserDefinedMapper(
 
     Value *OffloadingArgs[] = {MapperHandle, CurBaseArg, CurBeginArg,
                                CurSizeArg,   CurMapType, CurNameArg};
-    Function *ChildMapperFn = nullptr;
-    if (CustomMapperCB && CustomMapperCB(I, &ChildMapperFn)) {
+
+    auto ChildMapperFn = CustomMapperCB(I);
+    if (!ChildMapperFn)
+      return ChildMapperFn.takeError();
+    if (*ChildMapperFn)
       // Call the corresponding mapper function.
-      Builder.CreateCall(ChildMapperFn, OffloadingArgs)->setDoesNotThrow();
-    } else {
+      Builder.CreateCall(*ChildMapperFn, OffloadingArgs)->setDoesNotThrow();
+    else
----------------
skatrak wrote:

Nit: We need braces here because of the comments inside both branches.

https://github.com/llvm/llvm-project/pull/124746
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