[llvm] [CodeExtractor][OpenMP] Allow to specify address space for aggregate arguments structure (PR #66998)

[Dominik Adamski via llvm-commits]

DominikAdamski wrote:

> Why can’t we use the DL AllocaAS always?

Without this patch the outlined function is as follows:
define internal void @__omp_offloading_fd00_2b03043__QQmain_l30..omp_par(ptr noalias noundef %tid.addr, ptr noalias noundef %zero.addr, **ptr addrspace(5)** %0)
Whereas Clang generates the outlined function in the following way:
define internal void @__omp_offloading_fd00_2b03043__QQmain_l30..omp_par(ptr noalias noundef %tid.addr, ptr noalias noundef %zero.addr,  **ptr**  %0)

https://github.com/llvm/llvm-project/pull/66998