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

[Abid Qadeer via llvm-branch-commits]

================
@@ -3750,6 +3752,7 @@ OpenMPIRBuilder::InsertPointOrErrorTy OpenMPIRBuilder::createReductionsGPU(
           RI.ReductionGen(Builder.saveIP(), RHSValue, LHSValue, Reduced);
       if (!AfterIP)
         return AfterIP.takeError();
+      Builder.SetInsertPoint(AfterIP->getBlock(), AfterIP->getPoint());
----------------
abidh wrote:

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

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