[PATCH] D88524: [CUDA][HIP] Fix bound arch for offload action for fat binary

[Yaxun Liu via Phabricator via cfe-commits]

yaxunl created this revision.
yaxunl added a reviewer: tra.
yaxunl requested review of this revision.

Currently CUDA/HIP toolchain uses "unknown" as bound arch
for offload action for fat binary. This causes -mcpu or -march
with "unknown" added in HIPToolChain::TranslateArgs or
CUDAToolChain::TranslateArgs.

This causes issue for https://reviews.llvm.org/D88377 since
HIP toolchain needs to check -mcpu in HIPToolChain::TranslateArgs.

The bound arch of offload action for fat binary is not really
used, therefore set it to nullptr to make things simpler.


https://reviews.llvm.org/D88524

Files:
  clang/lib/Driver/Driver.cpp
  clang/test/Driver/hip-phases.hip
  clang/test/Driver/hip-toolchain-device-only.hip

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