Joseph Huber 4c6f398b86 [Clang] Add standalone AMDGPU SPIR-V toolchain (#144576) ...

Summary:
The AMDGPU toolchain uses a different set of tools than the standard
SPIR-V toolchain. The linker wrapper prefers to invoke a linker via a
clang toolchain. To make that work we introduce
`--target=spirv64-amd-amdhsa` so that it creates the linking phases that
HIP prefers. Additionally, this can be used to make LLVM-IR / SPIR-V
from C/C++ that can be linked with the HIP output.

2025-06-19 09:23:57 -05:00

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