[PATCH] D125705: [OpenMP] Don't build the offloading driver without a source input

[Joseph Huber via Phabricator via cfe-commits]

jhuber6 added a comment.

In D125705#3519570 <https://reviews.llvm.org/D125705#3519570>, @yaxunl wrote:

> HIP toolchain allows clang driver to compile bundled bitcode or assembly for mixed host/device compilation or device-only multi-GPU compilation.
>
> e.g.
>
> clang --offload-arch=gfx906 --offload-arch=gfx908 a.bc b.s
>
> Can you add a test to make sure this does not break HIP toolchain? Thanks.

This only changes the new driver, which doesn't support HIP right now anyway. This should be captured by some existing tests but I could try to dig them up


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  https://reviews.llvm.org/D125705/new/

https://reviews.llvm.org/D125705