[llvm-branch-commits] [llvm] [mlir] [flang][OpenMP] Support multi-block reduction combiner regions on the GPU (PR #156837)

[Abid Qadeer via llvm-branch-commits]

================
@@ -3506,6 +3506,8 @@ Expected<Function *> OpenMPIRBuilder::createReductionFunction(
         return AfterIP.takeError();
       if (!Builder.GetInsertBlock())
         return ReductionFunc;
+
+      Builder.SetInsertPoint(AfterIP->getBlock(), AfterIP->getPoint());
----------------
abidh wrote:

```suggestion
      Builder.restoreIP(*AfterIP);
```

https://github.com/llvm/llvm-project/pull/156837