Joseph Huber 29b5c18e46 [NVPTX] Do not run the NVVMReflect pass as part of the normal pipeline (#121834) ...

Summary:
This pass lowers the `__nvvm_reflect` builtin in the IR. However, this
currently runs in the standard optimization pipeline, not just the
backend pipeline. This means that if the user creates LLVM-IR without an
architecture set, it will always delete the reflect code even if it is
intended to be used later.

Pushing this into the backend pipeline will ensure that this works as
intended, allowing users to conditionally include code depending on
which target architecture the user ended up using. This fixes a bug in
OpenMP and missing code in `libc`.

2025-01-07 14:45:03 -06:00

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