[llvm] [lldb] [lld] [compiler-rt] [clang] [mlir] [libc] [libcxx] [Driver] Test ignored target-specific options for AMDGPU/NVPTX (PR #79222)

[Joseph Huber via cfe-commits]

================
@@ -0,0 +1,7 @@
+/// Some target-specific options are ignored for GPU, so %clang exits with code 0.
+// DEFINE: %{gpu_opts} = --cuda-gpu-arch=sm_60 --cuda-path=%S/Inputs/CUDA/usr/local/cuda --no-cuda-version-check
+// DEFINE: %{check} = %clang -### -c %{gpu_opts} -mcmodel=medium %s
+// RUN: %{check} -fbasic-block-sections=all
+
+// REDEFINE: %{gpu_opts} = -x hip --rocm-path=%S/Inputs/rocm -nogpulib
----------------
jhuber6 wrote:

Should probably include `-nogpuinc` as well. Best way to avoid spurious failures due to lack of a local CUDA / ROCm installation. Maybe in the future LLVM based offloading won't depend on so much external stuff.

https://github.com/llvm/llvm-project/pull/79222