[llvm] [OpenMP][OpenMPIRBuilder][NFC] Move copyInput to a passed in lambda function (PR #68124)

[via llvm-commits]

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@@ -5301,6 +5319,23 @@ TEST_F(OpenMPIRBuilderTest, TargetRegionDevice) {
       Constant::getNullValue(PointerType::get(Ctx, 0)),
       Constant::getNullValue(PointerType::get(Ctx, 0))};
 
+  auto SimpleArgAccessorCB = [&](llvm::Argument &Arg, llvm::Value *Input,
+                                 IRBuilderBase &Builder) {
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shraiysh wrote:

I don't think differing IRs is a problem as long as they are correct. I have not worked much on target side, so I am okay with the current implementation and would also be okay with adding an IP, whatever works best.

https://github.com/llvm/llvm-project/pull/68124